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ryzh [129]
2 years ago
6

Helpppppppppppppppppp pleaseeeeeeeeeeee!!!!!!!!!!!!!!!

Mathematics
1 answer:
Dmitry_Shevchenko [17]2 years ago
3 0

Answer:

A

Step-by-step explanation:

I did the math (:

Good luck

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PLEASE PLEASE HELP ​
nekit [7.7K]

Answer:68.3 degrees

Step-by-step explanation:

The diagram of the triangle ABC is shown in the attached photo. We would determine the length of side AB. It is equal to a. We would apply the cosine rule which is expressed as follows

c^2 = a^2 + b^2 - 2abCos C

Looking at the triangle,

b = 75 miles

a = 80 miles.

Angle ACB = 180 - 42 = 138 degrees. Therefore

c^2 = 80^2 + 75^2 - 2 × 80 × 75Cos 138

c^2 = 6400 + 5625 - 12000Cos 138

c^2 = 6400 + 5625 - 12000 × -0.7431

c^2 = 12025 + 8917.2

c = √20942.2 = 144.7

To determine A, we will apply sine rule

a/SinA = b/SinB = c/SinC. Therefore,

80/SinA = 144.7/Sin 138

80Sin 138 = 144.7 SinA

SinA = 53.528/144.7 = 0.3699

A = 21.7 degrees

Therefore, theta = 90 - 21.7

= 68.3 degees

8 0
3 years ago
Let f(x) = 2x, g(x) = 2x^2 – x, and h(x) = 3x. Lola finds the composition [f o g o h](x) as shown below. What error did Lola mak
Kisachek [45]
I hope this helps you

4 0
3 years ago
I don’t understand? How do you do numbers 3 and 4?
katovenus [111]
This is the answer, hope this helps you

7 0
3 years ago
Kolton has 2 5/6 pounds of apples. His mom buys 4 5/12 pounds more at the store so they can make an apple pie. If the apple pie
xeze [42]

Answer:

5 1/24 pounds of apples will be leftover

Step-by-step explanation:

By setting a common denominator while adding ot subtracting the pounds of apples, it helps lead to the answer.

8 0
3 years ago
-2x - 8 < 28 answer please
Basile [38]

Answer:

it would be x>-18

Step-by-step explanation:

8 0
2 years ago
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