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Tcecarenko [31]
4 years ago
14

Given cos A = .23 find angle A in radians.

Mathematics
1 answer:
pochemuha4 years ago
8 0
Hi what the answer choiches
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Which of the following ( 15, 20, 30, 57 ) is the product of exactly three different prime numbers?
Andrei [34K]

Answer:

30=2*3*5, so it's 30

Step-by-step explanation:

15=3*5, so it's not 15

20=2*2*5, so it's not 20

30=2*3*5, so it's 30

57=19*3, so it's not 57

3 0
2 years ago
Someone, please help me with this.<br> Correct answers get brainiest
Phantasy [73]

Answer:

3

-3

sqrt(9)

-sqrt(9)

Step-by-step explanation:

What number multiplied by itself will give you 9

3*3 =9

-3*-3 =9

sqrt(9) * sqrt(9) = sqrt(81) = 9

-sqrt(9) * -sqrt(9) = + sqrt(81) =9

7 0
3 years ago
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If you had a job with a yearly salary of $20,800, what would your hourly wage
natta225 [31]

Answer:

$8.67 per hour

Step-by-step explanation:

20,800/40 (hours per week)

520 (answer of above)/ 60 (minutes per hour)

P.S. i dont know if this is correct but i think it is

4 0
3 years ago
Jenny's great grandmother is 95 years old.
Black_prince [1.1K]
Think of it as 12/95. 12.63
8 0
3 years ago
In order to rescue Sela's cat, her mother propped a 19 foot long ladder against a tree at a 42° angle with the ground. How
alekssr [168]

Answer:

12.7 feet

Step-by-step explanation:

To solve this question, we use the trigonometric function of Sine

sin θ = Opposite side/Hypotenuse

θ = 42°

Hypotenuse = 19 foot ladder

Opposite side = Distance of the cat from the ground(height of the tree)= unknown

sin 42° = Opposite/19 feet

Opposite = sin 42° × 19

Opposite = 12.713481521 feet

Approximately to the nearest tenth of a foot = 12.7 feet.

Therefore, the cat was 12.7 feet above the ground.

5 0
3 years ago
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