3 years ago

Need help w precal/algebra 2

Mathematics

1 answer:

Daniel [21]3 years ago

3 0

Answer:

g(-2) = -7

Step-by-step explanation:

To find g(-2), plug -2 into g(x).

g(x) = -4x² + 3x + 15

g(-2) = -4(-2)² + 3(-2) + 15

g(-2) = -4(4) + 3(-2) + 15

g(-2) = -16 + (-6) + 15

g(-2) = -1 + (-6)

g(-2) = -7

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The measures of four interior angles of a pentagon are 63º, 119º, 125º, and 116º. which is the measure of the fifth interior ang

san4es73 [151]

The sum of interior angles of a pentagon is given by:
(n-2)*180
where
n=number of sides
thus the sum of angles in a pentagon will be:
(5-2)*180
=540
hence to evaluate the missing angles we shall proceed as follows:
sum of the given angles is:
63+119+125+116
=423
thus the missing angle, x, will be:
x+423=540
x=540-423
x=117°

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3 years ago

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Basile [38]

All the steps arranged in the attachment!