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3 years ago

A flagpole is 12.5 m tall. It casts a 17.5 m shadow. How tall is a nearby radio tower that casts a 61.25 m shadow? _____

Mathematics

1 answer:

tresset_1 [31]3 years ago

7 0

Answer:

Step-by-step explanation:

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Answer:

Step-by-step explanation:

43 + 49= 92.

Then 180 - 92= 88

C= 88

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3 years ago

12. Find the radius of a circle with a circumference of 457 centimeters.

irga5000 [103]

Step-by-step explanation:

$Circumference=d\pi\\Circumference=2r\pi$

Since we need to find the radius, then we will rearrange the second formula.

$Radius=\frac{C}{2\pi }$

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$Radius=\frac{457}{6.28}$

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So, the radius of a circle that has a circumference of 457 is about 72.8 cm

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3 years ago

Please help!! And pls show work

coldgirl [10]

<h3>The answer to your question is k (-3) = 21!</h3>

Here's how I got this answer:

K(a) = 2a^2 - a

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3K (-3) = 18 + 3

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3K (-3) = 18 + 3K (-3) = 21

I hope this helps!

Also sorry for the late answer, I just got the notification that you replied to my comment, I hope I came in time!

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4 years ago