3 years ago

13 please I have no idea what the steps for this is

Mathematics

1 answer:

Ilya [14]3 years ago

6 0

Answer:

UV=142

Step-by-step explanation:

21x-13=10x+31

+13 +13

21x=10x+44

-10x=-10x

11x=44

÷11 ÷11

x=4

now substitute 4 in place of x (only have to solve one)

21(4)-13= 71

now multiply your answer by 2

71×2=142

You might be interested in

Tell whether x and y show direct variation, inverse variation or - y/4 = 2x

Sophie [7]

9514 1404 393

Answer:

direct variation

Step-by-step explanation:

The given equation can be written in the direct variation form ...

y = kx

y = -8x . . . . rewrite of the given equation (multiply by -4)

This is an example of direct variation.

4 0

3 years ago

Add. Write your answer as a fraction in simplest form. 9/10 +(− 4/5 )

aliya0001 [1]

1/10 I’m pretty positive

4 0

3 years ago

Read 2 more answers

If 1/3 of a factory is female and we want to sample workers at this factory, then approximately 1/3 of the sample should be fema

lilavasa [31]

I think the answer is true

6 0

2 years ago

Solve the systems equations for x and y and check:<br> y=2x+10<br> x=3y

andriy [413]

For Y=2x+10 X=y/2 -5. Second x/3

6 0

2 years ago

Luca buys a bag of 32 favors to hand out at a party.

wolverine [178]

Answer: (32-4) divided by 4 = g

Step-by-step explanation:

8 0

2 years ago