# Recently Submitted Homework Problems for Following Grade: 10

96. If a line passes through the points (3, 5) and (1, 2), its slope is _______. (Answered)128. A. The wings of a bat are homologous to whale fins, and they represent a structure evolving in an organism for a particular function but later being adapted for another function. This is an example of ___________.

here are the options

adaptation ,evolution ,exaptation ,radiation ,or speciation

B. Why are people trying to lose weight advised to include whole fruits and leafy vegetables in their diet?

here are the options

Because they are rich sources of energy and are sufficient to be eaten in small amounts , Because they are almost indigestible and low in nourishment , Because they are effective in cleaning up the digestive system by flushing out toxins , a and c , or b and c

C. ______________ is the sum of all the genetic information carried by the members of a population.

here are the options

Gene pool , Genetic drift, Genetic code, Genetic variation , or Genetic divergence

D- Photosynthesis is an example of __________.

here are the options

oxidation, hydrolysis, anabolism, catabolism , or carbohydrate breakdown

5- Presence of more than one genetically distinct populations of cells derived from more than one zygote is called __________.

here are the options

translocation ,mosaicism ,duplication , chimerism, or recombination

D.Chihuahuas and Great Danes, two dog species, cannot interbreed because their copulatory organs are not compatible. This is an example of __________ isolation.

A.

mechanical

B.

temporal

C.

habitat

D.

gametic

E.

behavioral

F. On staining an onion root section, a scientist found that many of the cells had highly condensed chromosomes aligned along the middle of the cell. This means that the majority of the cells were in the __________.

A.

anaphase

B.

metaphase

C.

prophase

D.

interphase

E.

telophase

8. _________________ is a type of postzygotic barrier in which hybrids of two species reach maturity but are sterile.

A.

Hybrid sterility

B.

Hybrid inviability

C.

Gametic isolation

D.

Hybrid breakdown

E.http://www.schooltrainer.com/free-homework-help.html#

Behavioral isolation

(Answered)

141. the floor of an old shed is 14 inches off th ground . there is an 18 ft. wooden ramp from the ground to the floor of the shed which is used to push the riding mower into the shed. A new shed is being built whose floor will be 18 inches off the ground. The ramp for the mower should be approximately the same steepness as the old one. How long should the new ramp be? (Answered)

158. what is the inverse function (Answered)

160. i need help with solving systems by greaphing this is one of the problems y=5x-2

y=x+6 (Answered)

162. Solve equation. Round to nearest hundredth if if neccessary. 11xsquared+3=5(4xsquared-3) (Answered)

163. Cara made some cookies for her math club bake sale. She sold 3/5 of them in the morning and 1/4 of the remaining cookies in the afternoon. If she sold 200 more cookies in the morning than in the afternoon, how many cookies did she make? (Answered)

234. The Trail of Tears in 1838-1839 & the Battle of Wounded Knee in 1890 were significant because they

a. demonstrate the technological superiority of the US troops over the indigenous peoples of North America

b. typify the harsh treatment of Native peoples at the hands of the US government

c. exemplify the determination of the American government to bring unity to North America & undermine any attempts at secession

d. clarify the US government's position on slavery & "free soil"

e. added large portions of land to the US which had been controlled by foreign powers

(Answered)

242. if i was just given the container specification which is the shape of base is triangle, the height of box 40 in and the volume 720 cu in. the question is what dimensions were necessary for you to deteremine before you could build your box. How did you find the missing dimensions (Answered)

315. If a good absorver of radiant energy were a poor emitter, how would its temperature compare with its surroundings? (Answered)

321. A tennis player is allowed 2 serves. Player X gets her first serve in 70% of the time. When that happens, she wins the point 80% of the time. If she misses her first serve, her second serve goes in 90% of the time. When this happens, she wins the point on her second serve 40% of the time.

If you know she won a point while serving, what is the probability Player X made her first serve? (Answered)

335. A farmer has enough space in his farm to rear 200 birds. He buys chickens at $1 each and ducklings at $2 each. He cannot spend more than $250 for purchasing the birds. What are the possible numbers of birds he can purchase? (Answered)

340. what is the volume of a sphere the the radius of six? (Answered)

383. Round 638,614 to the nearest hundred thousand. (Answered)

408. complete these ordered pairs

(0, ) (2, ) (-1, ) y=3x-1

(-1, ) (0, ) (1, ) 2x+y=3

(0, ) (-1, ) (1, ) y=2x+1

(Answered)

1247. lines l and m are perpendicular. if the slope of line m is -4/3, what is the slope of line l (Answered)

594. a box of small tiles contains 4 times as many white tiles as green, all the same size and shape. if one of the tiles is taken at random, what is the probability that it is: a. white b.green c.not white d.white or green e.not green i dont understand (Answered)

5229. x+2/3 = 4/x+1

Solving for x (Answered)

632. paella is a classic Spanish fiesta dish made from chicken,rice, and shellfish. One pound of chicken costs $1.00 and supplies 100 grams of protein. One pound of rice costs $.50 and supplies 20 grams of protein. One pound of shellfish costs $3.00 and supplies 50 grams of protein. If the resulting paella weighs 18 lb, costs $19.00, and supplies 850 grams of protein, how much rice, chicken, and shellfish were used? (Answered)

775. what is noble gas configuration? (Answered)

866. find the slope-intercept of the line that passes through the point ( -1, 4) and has slope -1

(Answered)

1121. Need help simplifying this expression. cos^2(x)(sec^2(x) -1) (Answered)

1182. A prism has equilateral triangle bases with side lengths of 4 cm. The height of the prism is 8 cm. What is the volume? (Answered)

1214. 2sin45-cos(120)*cot300 (Answered)

1266. Graphing Linear equations

3.5x-7y=-14 (Answered)

1309. What ethical issues might arise when a drug company funds trials of a new drug it has developed to treat a genetic disorder? (Answered)

1384. (x+17)^2 + (y-17)^2 = 4 (Answered)

1386. A Wire of diameter 0.5cm is evenly wrapped on a cylinder of diameter 1.4m and length 2m so that the whole surface is covered.find the length and volume of the wire. (Answered)

1391. How, in the most easy way, can you find the volume of a triangular prism? (Answered)

1406. How to graph parabolas? (Answered)

1428. Puppies and canaries were on the loose.There were 30 heads in the crowd, and 84 feet. How many of the escapees were canaries? (Answered)

1429. simplify the following expressesions and state any restrictions

x^2 -4y^2

____________

7x +14y (Answered)

1435. A pilot of a small private plane can look forward and see the control tower for a small airstrip. Beyond that is a large factory that is 4.8 miles from the airstrip. The angle of depression are 13.1 degrees and 4.1 degrees, respectively. Find the airplanes altitude, to the nearest ten feet. (Answered)

1442. Factor the expression: x2 - 7x + 10

(Answered)

1458. an earthquakes p-wave traveled 2,300km and arrived at a seismic station at 4:12pm. What time did the earthquake occur? (Answered)

1485. state and illustrate some of the basic postulates and theorems in geometry. please explain briefly your illustrations and how you get it. (Answered)

1489. help me with this problem... what are the whole numbers greater then 3 (Answered)

1495. When Whitman personifies death as something chasing a ship in "I understand the large hearts of heroes, the figure of speech”

A.suggests that the victims were doomed from the start.

B.shows that death is always present, even when we are not aware of it.

C.shows death's enormous and persistent power.

D.makes death seem to be a justified end.

(Answered)

1495. When Whitman personifies death as something chasing a ship in "I understand the large hearts of heroes, the figure of speech”

A.suggests that the victims were doomed from the start.

B.shows that death is always present, even when we are not aware of it.

C.shows death's enormous and persistent power.

D.makes death seem to be a justified end.

(Answered)

1495. When Whitman personifies death as something chasing a ship in "I understand the large hearts of heroes, the figure of speech”

A.suggests that the victims were doomed from the start.

B.shows that death is always present, even when we are not aware of it.

C.shows death's enormous and persistent power.

D.makes death seem to be a justified end.

(Answered)

1495. When Whitman personifies death as something chasing a ship in "I understand the large hearts of heroes, the figure of speech”

A.suggests that the victims were doomed from the start.

B.shows that death is always present, even when we are not aware of it.

C.shows death's enormous and persistent power.

D.makes death seem to be a justified end.

(Answered)

1495. When Whitman personifies death as something chasing a ship in "I understand the large hearts of heroes, the figure of speech”

A.suggests that the victims were doomed from the start.

B.shows that death is always present, even when we are not aware of it.

C.shows death's enormous and persistent power.

D.makes death seem to be a justified end.

(Answered)

1495. When Whitman personifies death as something chasing a ship in "I understand the large hearts of heroes, the figure of speech”

A.suggests that the victims were doomed from the start.

B.shows that death is always present, even when we are not aware of it.

C.shows death's enormous and persistent power.

D.makes death seem to be a justified end.

(Answered)

1506. 3(2x-1) - (4x-2) (Answered)

1523. balancing chemical equations:

Pb(No3)2-->Pbo+No2+O2

(Answered)

1546. Thirty sinks in the greater St. Paul area were observed for water usage. These sinks averaged 414 liters per day. How much water was used per day in milliliters per second?

(Answered)

1563. hi i need help graphing y-4=-3(x-5)

(Answered)

1572. Find the no which when divided by 17 ,16,15 and the remainder is 3.10,0 respectively. This means u have to find

that no which is divided by 17 then it leaves the remainder 3; when divided by 16 leaves remainder 10; and when divided by 15 leaves remainder 0. (Answered)

1574. Can you help me do this equation step by step 12x^2-40x-32? (Answered)

1576. Solve the proportion.

5/(x+3) = 4/x

(Answered)

1581. simplify

-7/6 in absoulte value (Answered)

1582. Find a line equation through the point A(-2,1) and is perpendicular to the line L: 2x+y=3 (Answered)

1654. Solve using substitution.

2x-3y+z=2 ;

x-y-z=-4 ;

-3x+2y-z=1 (Answered)

1652. Solve using substitution.

4x+2y-z=4 ;

2x-3y+2z=4 ;

x+y-z=-1 (Answered)

1652. Solve using substitution.

4x+2y-z=4 ;

2x-3y+2z=4 ;

x+y-z=-1 (Answered)

1779. Suppose a musical piece calls for an orchestra to start at fortissimo (about 90 decibels), decrease in loudness to pianissimo (about 50 decibels) in four measures, then in crease back to fortissimo in another four measure. The sound level s (in decibels) of the musical piece can be modeled by function s=10|m-4|+50 where m is number of measures.

1) graph the function for 0

2) after how many measures should the orchestra be at the loudness of mezzo forte (about 70 decibels)? (Answered)

1808. how do metals form ionic compounds with nonmetals? (Answered)

1852. how to find the distance with equations (Answered)

1880. given: K is parallel to l

Prove:<1 is supp. to <7 (Answered)

1884. root x + y =11 and x + root y =7 solve it by elimination method (Answered)

1884. root x + y =11 and x + root y =7 solve it by elimination method (Answered)

1895. find the endpoint of a line segment that has one endpoint at A(3,5) and a midpoint of B(7,10) (Answered)

1912. the denstiy of iron is 7.86 g/cm3. you are given an unknown metal that has a volume of 30.1 cm3. what would the mass of the sample be if the metal is iron? (Answered)

1936. a music store is advertising a 25%-off sale on all new releases. find the discount and sale price of newly released cd that regularly sells for $12.50 (Answered)

1968. If EB = 4y-12 and ED = y+17, find the value of y. then find ED, DB, and EB. (Answered)

1989. 4x+12/2=3x-5 (Answered)

1996. A LAWYER COMMUTES DAILY FROM HIS SUBURBAN HOME TO HIS MIDTOWN OFFICE . ON THE AVERAGE , THE ONE WAY TRIP TAKES 24 MINUTES WITH A STANDARD DEVIATION OF 3.8 MINUTES. HE LEAVES THE HOUSE AT 8.30 A.M. AND COFFEE IS SERVED AT THE OFFICE FROM 8.50 A.M. UNTIL 9.00 A.M. . ASSUME THAT DISTRIBUTION OF TRIP TIME TO BE NORMALLY DISTRIBUTED , FIND THE PROBABILITY THAT HE MISSES THE COFFEE?

(Answered)

2004. If A,B, and C are collinear points, then AB+BC=AC

Q: Explain how the statement differs from the first half of the segment addition postulate (Answered)

2024. A ladder that is 6 meters long is placed against a wall. It makes an angle of 34 degrees with the wall. Find

a)how high up the wall it reaches,

b)the distance the base of the ladder is away from the wall.

How do you approach this problem? (Answered)

2028. Can you please help me construct a circuit for a Boolean expression? (Answered)

2036. The midpoint of CD has coordinates of (5,6) point C has coordinates (-5,-1) find the coordinates of point D (Answered)

2070. Find all the real solutions to the equation

x squared-6x=9 (Answered)

2107. running 1 mile in 53.43 seconds how fast was this in feet per second? (Answered)

2109. x+5=7 solve equation and state reason for each step (Answered)

2134. Each spring, the conservation authority stocks the local lake with 10,000 bass and perch. If there were three times as many bass and twice as many perch, the total number of fish would be 22,000. How many of each type of fish make up the 10,000? (Answered)

2138. The sum of two numbers is 28. The larger number, y, is 4 more than the smaller number x. Write two equations for this system and solve for x and y. Write your answer in ordered pairs such as (x,y) (Answered)

2193. help me with this math problem...you know that a pair of triangles has two pairs pf congruent corresponding angles. what other information do you need to show that the triangles are congruent? (Answered)

2222. how can i do this solving quaratic function algebraically x^2+13x+36=0 (Answered)

2229. what is the most common point on a triangle? (Answered)

2258. what is the logical equivalent to ~p -> q? (Answered)

2269. A steep mountain is inclined 74 degree to the horizontal and rises 3400 ft above the surrounding plain. A cable car is to be installed from a point 930 ft from the base to the top of the mountain. Find the shortest length of cable needed. (Answered)

2277. I need to write an equation for a line in slope-intercept form and one for a line in standard form, they both have to be parallel to line AB (2x+y=3) and contain point C (0,-1) (Answered)

2541. I need help with this question:

Laurence is painting the walls and ceiling of a rectangular bedroom that is 3 m by 4.5 m. The walls are 2.5 m high.

There is a window measuring 1 m by 0.8 m on one wall and a door that is 1 m by 2.3 m in another wall.

If a can of paint covers 20 m2 and costs $38.95, what will it cost Laurence for paint for this bedroom (Answered)

2635. Prove that 2 versinA + cos2A = 1+versin2A (Answered)

2673. Both "Silky"¯ Bob in "After Twenty Years" and Peyton Farquhar in "An Occurrence at Owl Creek Bridge"¯ face threatening situations. Compare and contrast the way each author depicts these situations by discussing the characters' behavior and feelings about their respective predicaments.

(Answered)

2673. Both "Silky"¯ Bob in "After Twenty Years" and Peyton Farquhar in "An Occurrence at Owl Creek Bridge"¯ face threatening situations. Compare and contrast the way each author depicts these situations by discussing the characters' behavior and feelings about their respective predicaments.

(Answered)

2686. what happens if there is a missense mutation of the regulator gene in the lac operon (Answered)

2710. How do you simplify [4x/(x-3)]/[(1/x-3)+(3/x)] (Answered)

2732. A parallelogram is a trapzoid. sometimes always or never

(Answered)

2790. Two vertical angles have measures of 3x^2+1 and 2x^2+5. What is the measure of each angle? (Answered)

2809. in A(-3,4) and B(1,-8) find the length of the segment rounded to the nearest tenth then find the coordinates of the midpint of the segment (Answered)

2811. A rancher has 1000 ft of fencing to enclose 2 adjacent rectangular corrals (they share 1 side).This means there will be 4 sides with length x and 3 sides with length y. (A) State the maximum and minimum lengths for the sides x and y. (B)Find at least 4 workable dimensions that use all 1000 ft of fencing. (C) Find y in terms of x. (D) Find a formula for the combined Area of the 2 corrals. (E) What dimensions yield the maximum area? (Answered)

2843. Need help

5/2x +3y=1

3/2x -3y=15

x=? y=? (Answered)

2845. explin how the graph of g can be obtained from the graph of f f(x)=(4/3)^X (Answered)

2880. A regular hexagon with side length 4 has the same area as a square. what is the length of the side of the square? (Answered)

2921. Two fire towers are 30 km apart, where tower A is due west of tower B. A fire is spotted from the towers, and the bearings from A and B are E 14(degrees) N and W 34 (degrees) N, respectively. Find the distance (d) from the line segment AB. (Answered)

2963. i need help would finding the surface area of right circular cones (Answered)

3082. I need help solving this homework problem: a trapezoid midsegment measures 6. One of the bases measures 10. What is the measure of the other base? (Answered)

3082. I need help solving this homework problem: a trapezoid midsegment measures 6. One of the bases measures 10. What is the measure of the other base? (Answered)

3150. (2w-6)(5w+4)=10w-22-24 (Answered)

3274. write an equation for the perpendicular bisector of the line segment joining two points. (2,2)(6,14) (Answered)

3278. A ramp must make a 30-degree angle with the ground. If the ramp reaches the top of a 5-foot wall, how far from the wall must the ramp be placed. Answer to the nearest tenth of a foot. (Answered)

3365. solve ln(2x+19)=3 (Answered)

3448. A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager buy?

(Answered)

3542. Line L is tangent to y=ln(x) at point P and passes through the point (0,0). Region R is bounded by the graphs of y=ln(x), line L, and the x-axis. What is the equation of L? (Answered)

3646. Locate the points of discontinuity in the piecewise function shown below.

-(x + 1)2 + 2 ; - < x < -1

f(x) = -x + 2 ; -1 < x < 2

(x-1) ; 2 < x <

no points of discontinuity

x = -1 and 2

x = 2

x = -1

(Answered)

3711. 8/x=8/6 (Answered)

3789. in the accompanying diagram of circle O, secant AB intersects O at D, Secant AOC intersects circle O at E, AE=4, Ab=12, DB=6. what is the length of OC? (Answered)

3818. the length of a rectangle is 10 inches longer than its width. If the area of the rectangleis 144 square inches, what are it dimensions? (Answered)

3862. 12% of what number is 42? (Answered)

3876. Please solve the equation by using cross multiplication method

6(ax+by)=3a+2b

6(bx-ay)=3b-2a

(Answered)

3933. How do I solve this problem ?

A ferryboat carries passengers and cars across a river that runs from north to south.

The river is 0.6 mile wide. The downstream dock is on the east side of the river and

0.15 mile south of the west side's upstream dock. The current in the river runs due

south at 2.5 miles/hour.

a. Find the speed and direction the ferryboat must take to

make the crossing from the upstream dock to the downstream dock in 10 minutes.

b.Find the speed and direction the ferryboat must take to make the crossing

from the downstream dock to the upstream dock in 10 minutes. (Answered)

3997. The vertices of a triangle are A(4,5), B(-4,3) and C(0,-5). Determine an equation for the median (BD) from B to AC. Determine an equation for the altitude (CE) from C to AB. Determine an equation for the right (perpendiular) bisector (FG) of line BC. (Answered)

4192. Of the 42 presidents who preceded George W. Bush. 1/3 were elected to a second term. Of those elected to a second term, 1/7 were former vice presidents of the United States. What fraction of the first 42 presidents were elected to a second term and were former vice presidents? (Answered)

4466. The right triangle is

Opposite = 4

hyporeneuse = 5

Adjacent = 3

90 degrees

X

and 90 - X

What is the sine? (Answered)

4560. Assuming a drivers reaction time of 0.25 s, construct a table showing stopping distances for a car travelling at initial speeds of 36kph, 72kph and 90kph with uniform acceleration of

a) 8 m/s^2 ( in dry concrete)

b) 4 m/s^2 ( in wet concrete) (Answered)

4670. convert 10100 two to base ten (Answered)

5129. What kind of dialect does huck finn use?

How do I make this sentence his dialect, \\\"The Second is freedom of every person to worship\\\" (Answered)

5320. Help me solve this math problem: A radio broadcasting tower is 80 feet high. Cables are attached to the top and anchored to the ground 60 feet from the base of the tower. What is the length of one cable from the top of the tower to where it is anchored to the ground?

(Answered)

5354. The height of lava ejected from the Stromboli volcano can be modelled by the relation h= -5t(t-11), where h is the height,in meters, of the lava above the crater and t is the time,in seconds, since it was ejected.

I need help finding the maximum height that the lava reached (Answered)

5388. 3x-5=10 (Answered)

5470. 2, 5, 10, 17, . . .

Which equation represents the rule for finding the nth term of this sequence? (Answered)

5474. A person's heartbeat and breathing increases after he finished the race. After some time his heartbeat and breathing becomes normal. Which two components of nervous system does it? How?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

0. a person's heartbeat and breathing increases after he finished the race. after some time his heartbeat and breathing becomes normal. which two

components of nervous system does it? how?

(Answered)

5630. I need help with a Math problem.

(Answered)

5671. If ST = y + 2, RT = 5y - 10 and RS = 2y, then find the value of y and all three lengths.

If RS = 4x, Line RS approximately equal to line ST and RT = 24, then find the value of x. (Answered)

5689. General Biology Help

1. The neurotransmitter gamma-Aminobutyric acid (GABA) opens an ion channel that moves Cl-

in to the postsynaptic neuron. Would this be an excitatory or an inhibitory signal? Explain your answer

a. The medical condition known as Tentanus is caused by a neurotoxin called Tetanospasmin. This neurotoxin prevents neurons from releasing GABA. How would this affect the calcium concentration in the sarcoplasmic reticulum of a muscle cell?

b. Tetanus affects both of the antagonistic muscles equally. Predict a symptom of tetanus.

2. A woman fluent in sign language suffers an injury which severed the corpus callosum. After he injury the woman can still understand signs but could not generate signs that represent her thoughts. What might explain these findings?

3. Suppose that a person with damage to the hippocampus is unable to acquire new long term memories. Why might the acquisition of short term memories also be impaired?

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5768. When finding the area of a regular pyramid. I am given the lateral edge and the altitude. Do I need to find the slant height. (Answered)

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