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3 years ago

15

Can you answer this please

1 answer:

hjlf3 years ago

6 0

I think it’s 155in 2

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5x+15y=10 5x-10y=-40

zysi [14]

{ 5x + 15 y = 10
5x - 10 y = -40 * (-1)

{ 5 x + 15 y = 10
-5 x + 10 y = 40
------------------------
25 y = 50

y = 50 / 25

y = 2

For x :

5 x + 15 y = 10

5 x + 15*(2) = 10

5x + 30 = 10

5x = 10 - 30

5x = -20

x = -20 / 5

x = - 4

hope this helps!.

5 0

3 years ago

Read 2 more answers

Solve for x please and thank you.

vlabodo [156]

Answer:

x=23.346 hope this helps

6 0

3 years ago

F(x) = -222 – 436 – 3x3 - 8?

Alekssandra [29.7K]

-1991 I think?????????

3 0

3 years ago

What can you conclude about 3/5 and 60/100 if you know 3/5 is equivalent to 6/10 and 6/10 is equivalent to 60/100

labwork [276]

First we check whether $\frac{3}{5}$ is equivalent to $\frac{6}{10}$

$\frac{3*2}{5*2}$ = $\frac{6}{10}$

Both top and bottom are multiplied by 2 to get $\frac{6}{10}$

So they are equivalent fractions.

Now we check whether $\frac{6}{10}$ is equivalent to $\frac{60}{100}$

$\frac{6*10}{10*10}$ = $\frac{60}{100}$

Both top and bottom are multiplied by 10 to get $\frac{60}{100}$

So they are equivalent fractions.

$\frac{3}{5}$ = $\frac{6}{10}$ = $\frac{60}{100}$

Hence we conclude that they are equivalent fractions.

5 0

4 years ago

Referring to the figure, find the value of x

pychu [463]

Answer:

I HOPE IT WILL HELP YOU.....

3 0

3 years ago