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andrey2020 [161]
3 years ago
12

What is 4n squared plus n squared?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
8 0

Answer:

Step-by-step explanation:

Itś 5n²

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(5/7) to the power of 4 i need to know as a fraaction
yuradex [85]

Answer:

625/2401

Step-by-step explanation:

5/7 ^ 4 = 5 * 5 * 5 * 5 / 7*7*7*7 = 625/2401

8 0
3 years ago
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A recipe for lemonade calls for 2 cups of sugar for every 8 cups of water. How much sugar is needed for each cup of water. A. 1/
Aleksandr [31]

Answer:

1/4 cup of sugar to 1 cup of water

Step-by-step explanation:

you divide 2 by 8 and get 0.25 and that is 1/4.

Hope this helps!!

4 0
3 years ago
The length of the side of square A is 50% of the length of the side of square b
galben [10]

Answer:

25%

Step-by-step explanation:

let length of 1st square be x and second be y

then

A/q

x = y/2

area of first square = x^2 = (y/2)^2 = (y^2)/4

and

area of second square = y^ 2

so from sbove two lines

area of first square = 1/4 * area of second square

= 1/4 *100%

so..

area of first sqare = 25% of area of second square

8 0
3 years ago
Solve: 5h + 2(11 - h) = -5 *<br> h = -9<br> h = 9<br> h = -8<br> h = 8
BigorU [14]

Answer:

-9

Step-by-step explanation:

do distributive property first to eliminate the parenthesis.

5h + 22 - 2h = -5

combine like terms

3h + 22 = -5

move the 22 over by subtraction

3h = -27

divide

h = -9

6 0
3 years ago
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Verify the identity <br> Cos^2x-Sin^2x=1-2sin^2x
jek_recluse [69]
Cos^2x-Sin^2x=1-2sin^2x  \\  Cos^2x-Sin^2=cos(2x) \\ 1-2sin^2=cos2x \\ cos(2x) =cos2x \\   \\ \\ Cos^2x-Sin^2x=1-2sin^2x  \\ \mathrm{cos^2x+sin^2x=1 ~~~\Rightarrow ~~cos^2x=1-sin^2x} } \\ 1-sin^2x-sin^2x=1-2sin^2x \\ 1-2sin^2x=1-2sin^2x
8 0
3 years ago
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