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zysi [14]
2 years ago
11

What is the measure of angle 8 if AB = 7 and AC = 9? Round to the nearest degree.

Mathematics
2 answers:
olga55 [171]2 years ago
5 0

tan(angle) = opposite/adjacent

tan(B) = AC/AB

tan(B) = 9/7

B = arctan(9/7)

B = 52.125 which is approximate

B = 52

--------------------------------------

The final answer is choice D) 52 degrees

Marat540 [252]2 years ago
4 0

the answer is 52°

use the laws of trig

its a right triangle, so cotan 9/7 is 52°

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Talja [164]
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8 0
2 years ago
In order to make green paint a 2:3 ratio of blue paint and yellow paint is used.If there are 30 ounces of green paint how many o
gladu [14]

Answer:

There are 30 ounce of green paint 18 ounces blue paint was needed.

Step-by-step explanation:

Given that,

In order to make green paint a 2:3 ratio of blue paint and yellow paint is used.

Assume 2x blue paint and 3x yellow paint required to make 30 ounce of green paint.

According to the problem,

2x+3x=30

⇒5x=30

\Rightarrow x=\frac {30}{5}

⇒ x=6

The amount of blue paint is = 2×6

                                              =12 ounces

The amount yellow paint is = (3×6)

                                            = 18 ounces

There are 30 ounce of green paint 18 ounces blue paint was needed.

6 0
2 years ago
sarah is taking out 14000 four year new car loan with an apr of 6.75% what is the monthly payment for this loan
jeka57 [31]

Answer:

Monthly payment = $18325.6

Step-by-step explanation:

From the question,

P = 14000

t = 4 years

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To calculate the monthly payment for this loan, let's use the below formula

Amount = P( 1 + 6.75%/12)^4×12

Amount = 14000(1.005625)^48

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6 0
3 years ago
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charle [14.2K]

Answer:

Im pretty sure its 45°

Step-by-step explanation:

7 0
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Answer:

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Step-by-step explanation:

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2 years ago
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