3 years ago

Is this the right answer if not please tell me whats the right answer

Mathematics

2 answers:

Rufina [12.5K]3 years ago

6 0

Yeah it looks like it’s right

Kruka [31]3 years ago

6 0

Yeah that’s right I think

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What is the value of 8^3+5x when x=12

Aleksandr-060686 [28]

8^3=512
5*12=60
512+60= 572

7 0

4 years ago

Read 2 more answers

I need help please and thank you

ozzi

Answer:

-2480

Step-by-step explanation:

31 * -80 =-2480

Not sure how to explain this more, but I hope this helps!

3 0

3 years ago

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A square has side length of 9 in. If the area is doubled, what happens to the side length?

Alika [10]

Answer:

The side length is multiplied by $\sqrt{2}$

Step-by-step explanation:

we know that

The area of the original square is equal to

$A=9^{2}=81\ in^{2}$

If the area is doubled

then

The area of the larger square is

$A1=(2)81=162\ in^{2}$

Remember that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x ----> the area of the larger square

y ---> the area of the original square

$z^{2}=\frac{x}{y}$

we have

$x=162\ in\^{2}$

$y=81\ in\^{2}$

$z^{2}=\frac{162}{81}$

$z^{2}=2$

$z=\sqrt{2}$ ------> scale factor

therefore

The side length is multiplied by $\sqrt{2}$

7 0

3 years ago

What is (7x3+3)+(4+2) hurry p[ease

allsm [11]

(7x3+3) + (4+2) is 30

3 0

4 years ago

At me farmers market, bananas coast $0.80 per pound.At another farmers market, bananas are sold in 5-pound bags for $4.50 per ba

Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

At the first place is better because

$0.8 * 5 = $ 4

$4.5 / 5 = $0.9

Is more expensive in the another place

5 0

3 years ago