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slavikrds [6]
3 years ago
15

Find the size of the final unknown exterior angle in a polygon whose other exterior angles are:

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
6 0

Answer:

=72

Step-by-step explanation:

57+68+32+59+72=288

360-288=72

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Answer:

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3 years ago
Find the inverse of the given function.
kodGreya [7K]

For this case we must find the inverse of the following function:

f (x) = - \frac {1} {2} \sqrt {x + 3}

We follow the steps below:

Replace f(x) with y:

y = -\frac {1} {2} \sqrt {x + 3}

We exchange the variables:

x = - \frac {1} {2} \sqrt {y + 3}

We solve for "y":

- \frac {1} {2} \sqrt {y + 3} = x

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\sqrt {y + 3} = - 2x

We raise both sides of the equation to the square to eliminate the radical:

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We subtract 3 from both sides of the equation:

y = 4x ^ 2-3

We change y by f ^ {- 1} (x):

f ^ {- 1} (x) = 4x ^ 2-3

Answer:f ^ {- 1} (x) = 4x ^ 2-3

7 0
3 years ago
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❗️❗️PLEASE HELP ME❗️❗️
kicyunya [14]

question 3 = $150 because 50% is one half of 100% so 300/2 = 150

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2 years ago
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