3 years ago

This is a sort of difficult question but i would highly appreciate assistance.

1 answer:

7 0

Answer:

i think 300 but im not sure

Step-by-step explanation:

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Anna007 [38]

$\frac{k-m}{m} = \frac{n-k}{k} 
\\
\\k^2-mk=mn-mk
\\k^2=mn
\\k= \sqrt{mn} 
\\$

$7^2=4n
\\
\\n= \frac{49}{4}$

5 0

2 years ago

Kay [80]

Answer:

2800m2

12345667888888

4 0

2 years ago

Bumek [7]

Answer:

Simplify the expression.

i could not type in exponent so just open the screen shot

Step-by-step explanation:

i Hope it works

8 0

3 years ago

Georgia [21]

The answer is 2(7a+4) because using distributive property 2 times 7a is 14a and 2 times 4 is 8 so it equals 14a+8

6 0

2 years ago

Bezzdna [24]

The surface area of a sphere is:

A=4πr^2, if r=12 and π is approximated as 3.14 then

A≈4(3.14)(12^2)

A≈4(3.14)(144)

A≈576(3.14)

A≈1808.64 cm^2

5 0

2 years ago