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kicyunya [14]
3 years ago
10

Which expressions are equivalent to 641? Check all that apply.

Mathematics
1 answer:
sergiy2304 [10]3 years ago
5 0
64 to the power of 1 would just be 64. So the answer choices you select would be (43)(82)(28) it means 4 to the power of 3, 8 to the power of 2, and 2 to the power of 8 because when something is the power of a number it means the number multiplied by itself that number of times so for example 5 ² would be 5x5.
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Given a right triangle with a hypotenuse of 15 feet and a height of 6 feet, find the measurement of angle
Artist 52 [7]

Answer:

66.42° between height and hypotenuse

23.58° between base and hypotenuse

Step-by-step explanation:

Using the concept of cosine and sine, we know that cosine of an angle is equal to the adjacent divided by hypotenuse.

Similarly, sine of an angle is given by opposite divided by hypotenuse

Tangent is given by opposite divided by adjacent

In rhis case, we use cosine

\theta=cos^{-1}(\frac {6}{15})=66.4218215217982\\\theta\approx 66.42^{\circ}

Therefore, the angle between the hypotenuse and height is 66.42°

To find the angle between base and hypotenuse, since it is a right angle triangle then the other angle will be 90-66.42=23.58°

8 0
4 years ago
What is the decimal equivalent of the fraction 8/15?
Over [174]

Answer:

0.53333...

(0.53 with the 3 recurring).

 

Step-by-step explanation:

Do the division:

15 ) 8.0000 (0.533....

        75

           50

           45

              50

               45

6 0
4 years ago
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icang [17]

Answer:

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4 0
3 years ago
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Find the 60th term of the arithmetic sequence 4,-1,-6-
kobusy [5.1K]

Answer:

-291

Step-by-step explanation:

The common difference is -5

So the 60th term of the arithmetic sequence is

4+(60-1)×-5

=4+59×-5

=4+-295

=-291

8 0
3 years ago
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devlian [24]

Answer:

1) is 40%

2) is 4,307

3) is 35

I think it's correct you can double-check. I apologize if it's wrong.

Step-by-step explanation:

8 0
3 years ago
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