3 years ago

An ellipse has a major semi-axis of 20 cm and a minor semi-axis of 14 cm. find the area.

1 answer:

8 0

In order to answer the question, you need to know the formula area of an ellipse.

Area = pi * a * b
a = minor axis
b = major semi-axis

Area = 3.14 * 20 * 14
Area = 879.20 cm^2

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The equation A = p + prt is used to find the accumulated amount, A, of an investment with principal, P, a certain interest rate,

Whitepunk [10]

Answer:

r equals start fraction cap a minus p over p t end fraction

Step-by-step explanation:

Subtract the term non containing r, then divide by the coefficient of r.

$A=p+prt\\\\A-p=prt\\\\\dfrac{A-p}{pt}=r$

4 0

3 years ago

So when you add 3+4 you get 7, but what if you divide 7 by 4? Do you still get 3?

krek1111 [17]

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How much its 5+3+3×15=

AveGali [126]

=5 + 3 + 3 * 15
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Hope this helps! :)

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3 years ago

Read 2 more answers

Please help show work too please thank you

Black_prince [1.1K]

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5x+10=180
-10=-10
5x=170
5 = 5
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yes they are similar

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3 years ago

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