95 Answered Questions for the topic Algrebra

01/23/21

Solving a word problem using a system of linear equations of the form Ax + By = C
One month Karen rented 5 movies and 3 video games for a total of $37. The next month she rented 2 movies and 6 video games for a total of $40. Find the rental cost for each movie and each video game.
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Algrebra Math

05/05/20

how many solutions will this system have: 2x+y=-6 and y=-2x+8?
i tried doing it myself but got a tad confused, if someone could help me with the step-by-step it would be nice, i can't tell where i went wrong
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Algrebra

03/22/20

Solving Quadratic Equation
Solve by completing the square.X2 +2x+10=0
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12/15/19

Need help to know how to do this problem!!
A parabola has a focus located at      and a directrix of    .What are the coordinates for the vertex?     The equation for this parabola in vertex form is as follows:         
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09/22/19

How do you solve equations that have more than one <>? One of the problems is below... please help!

Problem: -3 is less than 3x is less than or equal to nine Please help me the teacher hasn't taught us how to do this yet!
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Algrebra

09/11/18

The sum of 5 times a number v and 2 is times the number w
It is very complicated and I don't understand it I would like to get a little understanding of what am doing so I can know what to do when am doing it again
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Algrebra

08/21/18

If f(x) = 2x2 + 3 and g(x) = x2 – 7, find (f + g)(x).
 f f(x) = 2x2 + 3 and g(x) = x2 – 7, find (f + g)(x).
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Algrebra

08/16/18

Getting stuck....18 + (-7)×(32-6) using pemdas order of operations
Getting 2 different answers  for 18+(-7) × (32-6)
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Algrebra

07/11/18

Subtract. Use a horizontal format
Subtract. Use a horizontal format. (Simplify your answer completely.)(8x2 + x − 8) − (x2 + 4x − 7)
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Algrebra

05/29/18

Julan had $40 more then Ricky. If Julian gives Ricky $60, Ricky will have twice as much as Julian
Julian has $40 more then Ricky. Julian gives Ricky $60. Now Ricky has twice as much as Julian. What does Julian have?  
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05/10/18

A group of 102 people attended a ball game. The group contained five times as many children as adults. Write a system of equations you could solve to determine
Please help me on this word problem!!
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Algrebra

05/08/18

What is the solution to –4|–2x + 6| = –24?
Find solution please and explain this for me videos are confusing
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Algrebra

04/29/18

word problem
Suppose that an air cannon in the Punkin Chunkin contest whose muzzle is 88 feet above the ground fires a pumpkin at an angle of 45 degrees45° to the horizontal with a muzzle velocity of 391391... more
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Algrebra

03/14/18

find a slope, of the line containing (4,-7) and (-4,3)
what is the slope and does it even exists  
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03/08/18

Jonathan has a bag of 20 marbles of which 10 are red. He picks one marble from the bag, records the color, and replaces it during 10 trials. During the course o
Jonathan has a bag of 20 marbles of which 10 are red. He picks one marble from the bag, records the color, and replaces it during 10 trials. During the course of Jonathan’s experiment, he chose 1... more
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02/20/18

John fenced his backyard using 550 feet of fencing. The width of his yard is 10 feet less than twice the length.
I have to wrtie an equation that can be used to determine the dimensions of his yard. Please help, I’m desperately stuck on this one.
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02/18/18

travel 92 miles, it takes Sue, 3 hours less time than it takes Doreen to travel 49 miles Sue travels 16 miles per hour faster than Doreen. Find times rates of b
doreens mph and hour sues mph and hour
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Algrebra

02/13/18

The length of a rectangle is 3 inches longer than it is wide. If the perimeter is 34 inches, what are the dimensions of the rectangle
The length of a rectangle is 3 inches longer than it is wide. If the perimeter is 34 inches, what are the dimensions of the rectangle
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02/01/18

If a ring costs a jeweler $180, at what price should it be sold to yield a profit of 40% on the selling price?
i got $252? but the answer sheet says its wrong
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Algrebra

01/30/18

A cube has square sides with area x^2 + 24x +144. Which expression represents the surface area of the cube?
 It only want the expression to be use in the sitution
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12/08/17

You and a group of 7 friends go out for pizza. One large pizza and 3 small drinks cost $21.96.
You and a group of 7 friends go out for pizza. One large pizza and 3 small drinks cost $21.96. One large pizza and 6 small drinks cost $27.93. Write an equation that models the total cost y (in... more
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Algrebra

12/05/17

eight times a number plus five times another number is -13
hi and thank you for letting use this
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Algrebra

11/29/17

What point slope form passes through the point (-2,-1) And has slope 5
Answer options A. (x+2)=5(y-1) B. (x-2)=5(y+1) C. (y-1)=5(x-2) D. (y+1)=5(x+2)
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Algrebra

11/11/17

a survey of 2000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. How many doctors use brand x asprin
 how many doctors use brand x aspirin
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Algrebra

09/26/17

How do I use the distributive law to factor 5y+5z?
I don't understand how to.
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