3 years ago

If a(x) = -9 - 2x, what is an equation for a-'(x)?

Mathematics

1 answer:

saul85 [17]3 years ago

8 0

Answer:

The answer should be A..

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Find the missing side i the problem using special right triangle. Can you help me

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Answer:

x = 13.86

y = 6.93

Step-by-step explanation:

tan 30° = y/12

0.5774 = y/12

y = 12(0.5774) = 6.93

cos 30° = 12/x

0.8660 = 12/x

x = 13.86

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3 years ago

Mathematics<br> Solve k - 120= 768 Find the value of k

Leona [35]

Answer:

$k - 120 = 768$

add 120 to both sides of the equation

$k - 120 + 120 = 768 + 120$

120 on the left hand side of the equation cancels therefore isolating the variable, k

$k = 888$

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NikAS [45]

Answer:

2x-7

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Step-by-step explanation:

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Directions: Solve <br> I think you cross multiply but I'm not really sure where to go from there.

Vlada [557]

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