Recently Submitted Homework Problems for Following Grade: 9

98. a father is 3 times older than his son and the sum of their ages is 40 years. find their present age?
(Answered)


25. Find three consecutive odd integers such that the sum of the largest and twice the smallest is 25.

If x represents the smallest integer, then which equation could be used to solve the problem?

(Answered)


113. What is the difference between a scalar and vector quantity? (Answered)


129. i need to get the answer to this problem by using elimination: 2x-3y=61 and 2x+y=-7 (Answered)


179. Graphing: How do you make a T chart for the problem y=2x^2+4x-5? (Answered)


186. a 925 N crate is being pushed across a level floor by a force of 325 N at an angle of 25 degrees above the horizontal. The coefficient of kinetic friction is 0.25. Find the magnitude of the acceleration of the crate. (Answered)


290. Find moles CO produced from 7 moles
Sio2 and 140g Ca(PO4)2 (Answered)


328. Factor the following expression:
x^2-9 (Answered)


394. Find the value to replace the box.
how would you do this?
1 2/4 x _____ = 4 3/8 (Answered)


394. Find the value to replace the box.
how would you do this?
1 2/4 x _____ = 4 3/8 (Answered)


5224. write a equation of a line parallel to the y-axis that passes through (9, -14). (Answered)


818. help me solve 491 divided by 9 (Answered)


907. Help me solve this math problem 6(x-2)=5(x-11)-21 (Answered)


990. what is an equation of a circle with center (7,-3) and radius 4? (Answered)


1012. the specific heat of sliver is 0.235j /g.c. how much heat is neeeded to raise the tempreature of an 8 gram sliver ring by 50 degrees celcius
(Answered)


1012. the specific heat of sliver is 0.235j /g.c. how much heat is neeeded to raise the tempreature of an 8 gram sliver ring by 50 degrees celcius
(Answered)


1103. In a competition an athlete threw a flying disk 139 meters through the air while I flight the disk traveled at an average speed of 13.0 m/s how long did the disk remain in flight? (Answered)


1126. Help me understand this Geometry problem:
An architect is calculating the dimensions for a hexagonal window that must fit into an opening with height 120 cm. Find the distance AB from one corner of the opening to the opposite corner (Answered)


1241. 4(5x-20)=0 (Answered)


2274. The five boxes below represent a geologic cross-cut with five layers (A is on top and E is on the bottom). The types of rocks are listed on the right side. In each box, write the appropriate type of rock and explain your answer in relation to the history of the earth's atmosphere. (Answered)


2274. The five boxes below represent a geologic cross-cut with five layers (A is on top and E is on the bottom). The types of rocks are listed on the right side. In each box, write the appropriate type of rock and explain your answer in relation to the history of the earth's atmosphere. (Answered)


2274. The five boxes below represent a geologic cross-cut with five layers (A is on top and E is on the bottom). The types of rocks are listed on the right side. In each box, write the appropriate type of rock and explain your answer in relation to the history of the earth's atmosphere. (Answered)


2274. The five boxes below represent a geologic cross-cut with five layers (A is on top and E is on the bottom). The types of rocks are listed on the right side. In each box, write the appropriate type of rock and explain your answer in relation to the history of the earth's atmosphere. (Answered)


1189. Part 1. The area of a circular pool is approximately 7,850 square feet. The owner wants to replace the tiling at the edge of the pool. The edging is 6 inches wide, so he plans to use 6-inch square tiles to form a continuous inner edge. How many tiles will he need to purchase? | Part 2. Once the square tiles are in place around the pool, there will be extra space between the tiles. What shape of tile will best fill this space? How many tiles of this shape should he purchase? (Answered)


1191. What monomial represents the number of square units in the area of a circle whose radius is 3x^3 (Answered)


5235. Why is the support of the U.S important to the League of Nations after World War 1?
(Answered)


1236. what is the slope of the line whose equation is 3x-7y=9 ? (Answered)


1296. The base of a prism is an equilateral triangle that measures 7 centimeters on each side. The prisom has a height of 23 centimeters. What is the volume? (Answered)


1331. It takes you 8 hours to dig a hole. It would take you and your brother 5 hours to dig that same hole together. If your brother was to dig the hole by himself it would take him how many hours? (Answered)


1336. help me: For a special order, the coverup company manufactured 1200 shirts. Sweatshirts were priced at $14 each and T-shirts at $8 each. The company received a total of $11,400 for the shirts. How many of each type of shirt did the Coverup Company manufacture for this order? (Answered)


1359. A line has a slope of -2 and contains the point (1, -1). Which is an equation of this line?

(Answered)


1373. how do you simplify the radical 8/5
(Answered)


1374. You are given one scrapbook page (12 inches by 12 inches). With only this for your material, you must create a container
that will maximize volume while minimizing the total area. (Answered)


1381. When do we say that a body is a rest and when do we say that it is moving ? (Answered)


1382. What is the vertex of the parabola: y = -x2 - 4x - 3?

(Answered)


1409. Four cubes of ice with the edge 4 cm each are left to melt in a cylinderical glass with the radius of 6 cm . How high will the water rise when they have melted? (Answered)


1412. A hex nut has a thickness of 2mm. 1 side of a hexagon and the diameter of a central hole are each 6mm. Surface Area and Volume? (Answered)


1421. American History: What was the Jacksonian Democrats' feelings towards the national bank? (Answered)


1476. Which of the following points is a solution to the system of equations? -2x-3y=7 -3x-2y=3? (Answered)


1512. a farmer has 64 yards of fencing and wants to create a rectangular enclosure for his animals. What is the enclosure with the greatest area? (Answered)


1584. Round your answer to the nearest penny. Simplify when possible.

You send 12 digital images to a printing service that charges $0.95 per print in large format and $0.16 per print in small format. Write and simplify an expression that represents the total cost if n of the 12 prints are in large format. Then find the total cost if 6 of the 12 prints are in large format.
(Answered)


1613. use the commutative law of multiplication to write an equivalent expression 5(y+9) (Answered)


1613. use the commutative law of multiplication to write an equivalent expression 5(y+9) (Answered)


1729. Can you help me solve (4+2)^2-(y-3)^2=-(4^2) for x when y=8 (Answered)


1849. How can i change this word problem into an expression?
the sum of 12 and the quantity 8 times a number k is equal to 48 (Answered)


1853. what are corresponding angles (Answered)


1897. 14 + 6a - 8 = 18 is my problem (Answered)


1927. Jeremy drives 508 miles per week. If he drives an equal number of miles each day, how many miles will jeremy drive in a 30-day month? Is this a direct or inverse variation? (Answered)


1957. d-3<6d+12<2d+32 (Answered)


2011. I need help figuring out this math problem: sally is planning to drive from kansas city to arizona along I35. The map he used gives the distance from Kansas to denver 194 and from Denver to Arizona 243 miles. What allows him to conclude that the distance he will be driving is 437 miles from Kansas to Arizona? assume I35 is a straight line. (Answered)


2029. BD bisects < ABC, m< ABC=(4x+5) and m< ABD=(3x-1). What is the value of x? (Answered)


2049. The art club is designing a new flag for the marching band. in the diagram,angle 1= 45 angle =45 and angle 3 = 145.does the flag contain three pararllel lines? (Answered)


2049. The art club is designing a new flag for the marching band. in the diagram,angle 1= 45 angle =45 and angle 3 = 145.does the flag contain three pararllel lines? (Answered)


2058. Andy lives 70 miles from the Hamptons. If it took him 2 hours to drive there and 1.5 hours to drive back, what was his average speed for the entire trip? (Answered)


2146. Do the positive charges of calcium ions and sodium ions make these ions more likely to move into or out of a cell? (Answered)


2181. write an equation relating the x- and y values: {(0, 0), (1, 4), (2, 8), (3, 12), (4, 16)} (Answered)


2201. In a swimming pool, two lanes are represented by lines l and m. If a string of flags strung across the lanes is represented by transversal t, and x = 25, show that the lanes are parallel.
(Answered)


2201. In a swimming pool, two lanes are represented by lines l and m. If a string of flags strung across the lanes is represented by transversal t, and x = 25, show that the lanes are parallel.
(Answered)


2355. A tetrahedral die has 4 faces, number 1-4. If the die is weighted in such a way that each number is twice as likely to land facing down as the next number (1 twice as likely as 2, 2 twice a likely as 3, and so on. What is the probability distribution for the face landing down? (Answered)


2371. What is the altitude of a triangle? (Answered)


2376. how to construct an angle
(Answered)


2427. ABC is an equilateral triangle with sides that are 18 inches. Point D is at a distance of 5 inches from point A. Angles ADE and DEF are right angles. Find length of DF and find area of triangle ABC. (Answered)


2427. ABC is an equilateral triangle with sides that are 18 inches. Point D is at a distance of 5 inches from point A. Angles ADE and DEF are right angles. Find length of DF and find area of triangle ABC. (Answered)


2514. how do i use chunking to simplify 11/2y-6+4/2y-6 (Answered)


2515. how do i use chunking to simplify 11/2y-6+4/2y-6 (Answered)


2542. what is 2(x-2)?
(Answered)


2543. It takes a florist 3h 15 min to make 3 small centerpieces and 3 large centerpieces. It takes 6h 20 min to make 4 small centerpieces and 7 large centerpieces. How long does it take to make each small centerpiece and each large centerpiece? Write and solve a system of equations to find your answer. (Answered)


2563. 3x+2y=19
4x-5y=10 (Answered)


2679. given the polynomial and one of its factors, find the remaining factors of the polynomial. some factors may not be binomials

x to the 4th +2x cubed +2x squared -2x -3 ;(x+1))
(Answered)


2689. please explain this math question:
the altitude of a parallelogram is half of the length of its base. the area of the parallelogram is 50sq.m. find the base and the altitude. (Answered)


2773. Find the solution: x-y=2
3y-x=8 (Answered)


2780. determine the linear function whose graph is a line with a slope of 2/3 and contains the point (-1,3) (Answered)


2783. In a figure, ABCD is a square and (Answered)


2795. Mr. Fischler notices that eating chocolate helps him type the SAG. For each piece of chocolate he eats, Mr. Fischler types 11 words. He has 52 words typed before he starts eating chocolate.

If you know how many chocolates I have eaten, can you figure out how many words I have typed? Explain. (Answered)


2848. x-y=2
4x-3y=11

Help me understand how to do this problem. (Answered)


2848. x-y=2
4x-3y=11

Help me understand how to do this problem. (Answered)


2873. find the ratio of x to y if 2x=3y (Answered)


2992. y=8-x
7=2-y (Answered)


3083. 5 divided by 0.45. I was wondering how you get the answer since it seems like there is a remainder. Also, how to work it out. Can this have a remainder? (Answered)


3127. How many elements does a regular octagon have? (Answered)


3160. Julie is 6 feet tall. If she stands 15 feet from the flagpole and holds a cardboard square, the edges of the square line up with the top and bottom of the flagpole. Approximate the height of the flagpole (Answered)


3182. A jet takes off at a 15 degree angle. The jets air speed is 300ft/sec.
Write an equation that gives the distance d in feet that the jet had traveled through the air in terns of the t the number of seconds it has been in the air. (Answered)


3204.

Solve: |2t + 5| = 3

(Answered)


3243. if one pair of consecutive sides of a parallelogram are congruent, then the parallelpgram is a ? (Answered)


3243. if one pair of consecutive sides of a parallelogram are congruent, then the parallelpgram is a ? (Answered)


3275. a = 4 + 10
b + 10 = 4
what is the value of a + b?
(Answered)


3433. find the circumference of a cone with the height of 5 cm and the volume is 125 pie (Answered)


3471. At a certain distance, the angle of elevation to the top of a building is 60. From 40 feet further back, the angle of elevation is 45. Find the height of the building. (Answered)


3481. 2 parts of vinegar are mixed with 3 parts of water, what part of the mixture is vinegar? (Answered)


3512. A TRENCH OF 2.5 MTS AND DEPTH OF 2 MTS IS DUG OUTSIDE AN RECTANGLE FEILD OF LENGTH OF 250 MTS AND BREADTH OF 200 MTS. THE MUD FROM THE TRENCH WAS EVENLY DISTRIBUTED IN THE RECTANGULAR FIELD. FIND THE INCREASE IN THE HEIGHT OF THE FIELD. (Answered)


3582. 3x=4x-1 (Answered)


3602. Two similar regular pyramids have volumes of 16 cu. in. and 54 cu. in. What is the ratio of their heights? Of their total areas? (Answered)


3603. Simplifying radical equations:
(x^4-81)/x+3) (Answered)


3609. If there are 12 students, how many different groups of fives can be choosen? (Answered)


3707. A wavelength is the distance between two

A. amplitudes.

B. frequencies.

C. crests.

D. hertzes.

(Answered)


3707. A wavelength is the distance between two

A. amplitudes.

B. frequencies.

C. crests.

D. hertzes.

(Answered)


3717. simplify:-3x+5y-2y+4+5x
(Answered)


3805. If A and B are the two acute angles in a right triangle, show that:
tan(A - B) = -cot 2A.
(Answered)


3813. Determine if the lines are parallel, perpendicular, neither or the same line: y = -2x + 1 and -2x + y = 5.
(Answered)


3821. Thirty -eight employees at high tech sales ride to work on the subway. This represents two-fifths of the employees. How many employees are there ? (Answered)


3931. how to write 3x-4y-16=0 in y=mx+b form? (Answered)


3897. 7.) Solve the system of equations by graphing. (3 points)
2x = 3y
Y = 2x + 4
(Answered)


4278. What organism requires energy, but not from the sun? (Answered)


4526. -36+4x=-5(1-7x) (Answered)


4615. a veterinary assistance steps on a scale while holding a cat. The cat reads 161 pounds. Alone the assistance weighs 147 pounds . Write and solve equation to find the weight of the cat. (Answered)


4685. Suppose you want to make a mix a peanuts and walnuts that cost $2.70 a pound. Find the pounds of peanuts at $1.50 a pound should be mixed with 24 pounds of walnuts at $3.50 a pound (Answered)


5004. The vertex angle of an isosceles
triangle measures (6t-9) degrees, and
a base angle measures (4t) degrees.
Find the value of t. (Answered)


5150. (x+2)(x^2+3x-5) (Answered)


5346.
(Answered)


5471. Solve for x:
(Answered)


5566. Hi, I need some help with this trig. The question is "The area of triangle ABC is 8. If the length of BC is 1/4 the length of AB, then AC equals what?
(Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


0. How do I write and essay for Of Mice and Men on the thesis "Abuse of power makes life worse"? And what are 10 quotes to support it? (Answered)


5920. the sum of 6 consecutive even numbers is 270. What is the second number in this sequence?
(Answered)


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