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3 years ago

13

Which are equivalent expressions?

1 answer:

polet [3.4K]3 years ago

4 0

Answer:

Which are equivalent expressions?

Check all that are true.

y + x = 2x

x + x + x + x = 4x (true)

x + x = 2x (true)

x + y + y + x = 2x + 2y (true)

x + y + x + x = 2x + y

Step-by-step explanation:

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Area of the figure .

blondinia [14]

Answer: the answer is not in the multiple choice.

area = 60 in^2

Step-by-step explanation:

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2 years ago

5 . x^2 /x^2 for x=2

goblinko [34]

Answer:

1

Step-by-step explanation:

Hello!

Plug in 2 for x and simplify.

<h3>Evaluate</h3>

$\frac{x^2}{x^2}$
$\frac{2^2}{2^2}$
$\frac44$
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We could have also simplified the fraction first. If a fraction has the same number in the numerator and the denominator, then it is always equal to 1, no matter what values of x.

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1 year ago

8. What is the solution to the system?<br> { x + y + z = 3<br> 2x-y + 2z = 6<br> 3x + 2y - Z=13

pogonyaev

Answer:

x,y, and z is 4,0, -1

8 0

3 years ago

Pls help pls help pls help

Volgvan

Answer:

A. y=1-2x

Step-by-step explanation:

-1 =1-2(1)

-1= 1-2

-1=-1

-3=1-2(2)

-3=1-4

-3=-3

-5=1-2(3)

-5=1-6

-5=-5

-7=1-2(4)

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5 0

2 years ago

Derrick is training for a race he wants to run a total of 100 miles over 4 weeks he only runs 16 miles in the first week if he r

Gala2k [10]

Answer:

28 miles

Step-by-step explanation:

Let w stand for the number of miles Derrick runs each week. Then after 4 weeks of training, he wants the total mileage to be 100 miles.

16 + 3w = 100

3w = 84 . . . . . . . subtract 16

w = 28 . . . . . . . . divide by 3

Derrick will run 28 miles each week to achieve his training goal.

7 0

3 years ago