4 years ago

A triangle has a opposite of 10 and the angle is 47.1 you are trying to find the hypotenuse. it's a right triangle. How?

Mathematics

1 answer:

charle [14.2K]4 years ago

5 0

Check the picture below.

make sure your calculator is in Degree mode.

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ryzh [129]

The left side is a half circle.
The area of a circle is PI x r^2

The diameter of the circle would be the height of the rectangle, given as 10 feet.
The radius is 1/2 the diameter, so 5 feet.

The area of half the circle is (3.14 x 5^2) / 2 = 39.25 square feet.

The area of the rectangle is 20 x 10 = 200 square feet.

Total area = 200 + 39.25 = 239.25 square feet.

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5(x + 6) - 2r = 3(x + 10)<br> Solve for X

Svetllana [295]

5x+30-2r=3x+30

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3 years ago

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Step-by-step explanation:

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3 years ago

What is the value of x when the Richter scale rating is 7.9 round your answer to the nearest

Oksi-84 [34.3K]

If no base is stated, then assume base 10
$log(x)=log_{10}(x)$
rememer
$a=log_b(c)$ translates to $b^a=c$

so
$r=log(x)$ or
$r=log_{10}(x)$ translates to $10^r=x$

so when r=7.9, what is x
$10^r=x$
$10^{7.9}=x$
79432823.472428=x
round to nearest ???
thousanth? 79432823.472=x
hundreth? 79432823.47=x
tenth? 79432823.5=x

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4 years ago