Recently Submitted Homework Problems: algebra

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)


119. 2x-5y=9 and 3x+4y=25. Solve by the method of elimination. (Answered)


223. if 2(x-5)=-11, then x=?(Answered)


239. simplify the cube root of 625 divided by the cube root of 25.(Answered)


295. Factor these: 2w^2-5w-10
25x^2-50xy+100y^2
2xy^2+12xy-120
16w^2xy-43wxy+22xy
12xy^2-8x^2y
110a^2-31a+2
8z^2-27z-20(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)


517. define a variable and write and equation for the situation. then solve. one cell phone plan costs 39.95 per month. the first 500 min. of usage are free. each minute there after costs .35 cents. write a rule that describes the total monthly cost as a function of the number of min. of usage(over 500 min). then find the number of minutes of usage over 500 min. for a bill of 69.70.(Answered)


524. SOlve this equation: ((x-1)/(x))^2-(x-1)/(x)-2=0(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)


717. The unit digit of a two-digit number is 2 more than the tens digit. If the sum of the digits is 12 find the number. (Answered)


813. I saved $32 on a jacket,and the jacket was 40% off,how much was the original price with out the discount?
(Answered)


1115. x^2=4 graph this quadratic equation (Answered)


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


1181. Solve the inequality: (x+1)(x-3)/(x+2)(x-4)<0
(Answered)


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


1228. 4x + 2 = 3(x - 6) + 8(Answered)


1231. cater purchased 8 yards of rope for 2 swings the rope cost 0.40 per foot what is the cost per rope?(Answered)


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


1310. Solve: 2x + 3y + z = -3
x + 4y - 3z = -23
3x - y + 2z = 14(Answered)


1330. I am wondering how to derive a quadratic equation when given the roots( roots have fractions) (3),(-3/2)(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)


1367. Write the equation of the line in slope-intercept form, that contains the points (-2, 3) and (-8,3).
(Answered)


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


1433. Check all the answers that represent the same level of precision.
A. 1.045
B. 0.59
C. 98.42
D. 100.6
(Answered)


1436. b/b^2+5/b+5-6/b(Answered)


1440. -22/45 divided by 14/25(Answered)


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


1521. help me solve this math problem -6/7x=-12(Answered)


1544. A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 4 hours, while the outlet pipe can empty it in 7 hours. How long will it take to fill the vat if both pipes are left open?(Answered)


1553. What is the slope of a line perpendicular to the line y-1=2/3(x+5)(Answered)


1558. solve the inequality and graph the solution.
(absolute value) a-4 (absolute value) >= 3(Answered)


1558. solve the inequality and graph the solution.
(absolute value) a-4 (absolute value) >= 3(Answered)


1562. A new cruise ship line has just launched 3 new ships: the pacific paradise, the carribean paradise and the mediterranean paradise.the carribean paradise has 28 more deluxe staterooms than the pacific paradise. the mediterranean has 31 fewer deluxe staterooms than three times the number of deluxe rooms on the pacific paradise. Find the number of deluxe staterooms for each ship if the total number of deluxe staterooms for the ships is 512(Answered)


1585. r = p/sq root q, solve for p squared(Answered)


1593. Imagine a pole stuck in the ground in such a way that it sticks up perpendicularly and 12 feet of it is showing. then, all of sudden, a convenient algebraic wind comes a long and snaps the pole so that the top touches 4ft from base of pole while still being attached how high is the break?(Answered)


1596. Help me solve this alegbra problem:
((1)/(x-5)) +10=((x)/(x-5))(Answered)


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


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


1745. what is the answer to this problem 10 to the 3 power minus 10 x2 minus (4+8x2)(Answered)


1748. For an art project, you make a square print with a side length of 8 inches. You make a frame using strips of wood 1 and one fourth inches wide. What is the area of the frame?(Answered)


1793. simplify 7(x+2)-4(Answered)


1793. simplify 7(x+2)-4(Answered)


1838. f(x)=2x, g(x)=x+7(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)


1856. x(squared)-6x+9=22; I must solve by completing the square. This is as far as I can get.(Answered)


1870. After diving 80 m below the sea level, a diver rises at a rate of 3 meters per minute for 9 min. Where is the diver in relation to the surface?(Answered)


1870. After diving 80 m below the sea level, a diver rises at a rate of 3 meters per minute for 9 min. Where is the diver in relation to the surface?(Answered)


1874. Please help me solve this problem and show steps: 5/x + 2+x/x+3 =-1/x+3(Answered)


1980. help me solve this algebra problem...4(x-7)/5=6
(Answered)


1991. 5+2(n+1)=2n(Answered)


1991. 5+2(n+1)=2n(Answered)


2003. What is the equation for the word problem: The perimeter of a pool table is 30 ft. The table is twice as long as it is wide. What is the \\\"L\\\" of the pool table? Write an equation to model the situation. Then solve the equation for \\\"L\\\".(Answered)


2005. suppose you are designing a rectangle garden with an area of 360 sq ft.
What perimeter can you make the garden using whole numbers? for each perimeter , give the length and width. (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)


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)


2140. A chemist wants to dilute a 30% phosphorate acid solution to a 15% solution. He needs 10 liters of the 15% solution. How many liters of the 30% solution must he use.(Answered)


2158. Is -0.75 a real number, integer, rational whole number or irrational ?(Answered)


2218. A motorboat maintained a constant speed of 15 mph (relative to the water) in going 10 miles upstream and then returning. The total time for the trip was 1.5 hours. Use this information to find the speed of the current.(Answered)


2237. help me solve this math problem 5(3-2y)+4y=3(Answered)


2252. Linear Equations
y=-x+3
y=x+1(Answered)


2402. (k, k+1) (k-3,3k+4)find the value of k when m=2 write in point slope form (Answered)


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


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


2639. explain me how to use multinomial theorem in detail in the chapter permutations and combinations(how diff questions can be solved by it?)(Answered)


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


2744. 4th root of w^12x^60
simplify assuming variables x & w may be negative(Answered)


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


2843. Need help
5/2x +3y=1
3/2x -3y=15
x=? y=?(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)


2939. I need help with this algebra problem? Evaluate the algebraic expression for the given values of the variables.

3x-y, for x = 9, and y = 6

3x-y=? when x = 9 and y = 6(Answered)


2966. A strip of uniform width is shaded along both sides of both ends of a rectangular poster that measures 12 inches by 16 inches. How wide is the shaded strip if one-half of the poster is shaded?(Answered)


3044. how do you do x+y=3
x-y=-1(Answered)


3077. square root of 64x to the power of 6(Answered)


3123. 8(x+3)=-3(2-4x)+10(Answered)


3204.

Solve: |2t + 5| = 3

(Answered)


3283. x2=14x-49(Answered)


3320. Suppose that f is a linear function with slope 2.4 and that f(7)=-3. What value of x gives f(x)=0?(Answered)


3311. 7x+2y=24
8x+2y=30
(Answered)


3330. Sherry bought a stereo for $620.10 including 6% sales tax. If she bought it in a different state where the sales tax is 4% how much would she have saved?
(Answered)


3337. 1.) 2x-3y+4=0
y=2/3x+5

2.) 4x-y+1=0
4x-y-8=0(Answered)


3356. Find the equation of a line that passes through the point with coordinates (-2,1) and has a slope 2(Answered)


3418. Help me solve this problem

(16x+20)-(14x-11)(Answered)


3446. Together, two workers can complete a job in 8 hours. The first worker can complete the job 4 times faster than the second worker. How long would it take the faster worker to do the job alone?(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)


3459. If $1000 is invested at 10% compounded quarterly, the future value of the investment is given by S = 1000(2^x/7), where x is the number of years after the investment is made.
a). Use the logarithmic form of this function to solve the equation for x.
b). Find when the future value of the investment is $19,504.(Answered)


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


3589. Help me solve this Algebra problem: x(x-3)(x+4)=0(Answered)


3676. help me solve this math problem

59n over 99 times 80 over 33n(Answered)


3747. how do i solve 2/9n-5=2+5/9n(Answered)


3750. how do you solve this problem
2x=3+3x=2(x+6)(Answered)


3750. how do you solve this problem
2x=3+3x=2(x+6)(Answered)


3803. the length of a rectangle is 1cm shorter than a diagonal.the length is 2cm longer than twice the width. find the perimeter of the rectangle.(Answered)


3803. the length of a rectangle is 1cm shorter than a diagonal.the length is 2cm longer than twice the width. find the perimeter of the rectangle.(Answered)


3841. a fair die is tossed four times. find the probablity of obtaning two sixes(Answered)


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


3870. In the following exercise is the correspondence a function?
p->z
r->y
s->x

A.Yes
B.No
C. Not enough information(Answered)


3953. Solve the inequality
x^3-x< (or equal to) 0(Answered)


3972. A rectangle with an area of 800 sqft is enclosed in another rectangle with dimensions of 80ft x 60 ft. Each side of the inside rectangle is the same distance away from the outside rectangle. Find the distance from each side of the inside rectangle.(Answered)


4022. find the average rate of change of f(x)=x^3-8x+7
from -6 to -2
from -1 to 5
from 5 to 7(Answered)


4033. A manufacturer of tools, selling rechargeable drills to chain of home improvement stores, charges $5 per drill than its manufacturing cost, m. The chain then sells each drill for 130% of the price that it paid the manufacturer. Find a function P(m) for the price at the home improvement stores(Answered)


4043. Jaz concert generated $209,000 from the sale of 8,000 tickets. If tickets were sold at $20 and $30 how many of each type of ticket was sold?(Answered)


4045. The point(-11,2) is on the graph of y=f(x). Find a point on the graph of y=g(x), where g(x)=1/2 f(x)(Answered)


4045. The point(-11,2) is on the graph of y=f(x). Find a point on the graph of y=g(x), where g(x)=1/2 f(x)(Answered)


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