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94 Answered Questions for the topic Algrebra

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
Algrebra

03/22/20

Solving Quadratic Equation

Solve by completing the square.X2 +2x+10=0
Algrebra Math Geometry

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:         
Algrebra Math Algebra 1

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!
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
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).
Algrebra

08/16/18

Getting stuck....18 + (-7)×(32-6) using pemdas order of operations

Getting 2 different answers  for 18+(-7) × (32-6)
Algrebra

07/11/18

Subtract. Use a horizontal format

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

05/08/18

What is the solution to –4|–2x + 6| = –24?

Find solution please and explain this for me videos are confusing
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
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  
Algrebra Math Geometry

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

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.
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
Algrebra Math Word Problems

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
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

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
Algrebra

12/05/17

eight times a number plus five times another number is -13

hi and thank you for letting use this
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)
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
Algrebra

09/26/17

How do I use the distributive law to factor 5y+5z?

I don't understand how to.
Algrebra

09/23/17

setting up word problems to solve

Alvin is 11 years older than Elga. The sum of their ages is 103. What is Elga's age?
1 3 4

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