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Helen [10]
3 years ago
14

Find angle A using sin-1

Mathematics
1 answer:
ki77a [65]3 years ago
5 0

Answer:

75°

Step-by-step explanation:

firstly, use the pythagoras theorem

Square root(8²-2²) = 7.75

Then, use sine

sine A= 7.75/8

Sine A=0.9688

A= (sine power of -1) x (0.9688)

A=75.63

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Lucy is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices
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Answer: Any amount of milage more than 30

Step-by-step explanation: You can write an equation to compare the relationship between the costs that looks like:

102<75+0.9m

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4 0
2 years ago
The lengths of the sides of a rectangle are 12.4 and 26. What are the measures of the angles between its diagonals? Round your a
Sergeu [11.5K]

Answer:

129 and 51 degrees.

Step-by-step explanation:

Drawing a diagonal gives us a triangle  with the opposite side = 12.4 and the adjacent side = 26.

tan x = 12.4 / 26

x = 25.497 degrees.

The other angle will be 90 - 25.497

= 64.503 degrees.

One of the diagonal angles is  180 - (2*25.497)

= 129 degrees

and the other  is 180 - 129 = 51 degrees.

8 0
3 years ago
Find three prime numbers that add up to another prime number.
Illusion [34]
5+7+11=23
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 are some examples
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3 years ago
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3 years ago
A museum opened at 9:00 a.m. In the first hour, 350 people purchased admission tickets. In the second hour, 20% more people purc
Furkat [3]

Answer:

13,475

Step-by-step explanation:

First hour

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350* $17.50 =$6125

Second hour

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3 years ago
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