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alexdok [17]
3 years ago
6

1 - (8 to the second power + 6) Which do I do first 8+6 the then exponent or Vice versa?

Mathematics
2 answers:
Svet_ta [14]3 years ago
6 0
You would need to do it vice versa
Ghella [55]3 years ago
6 0

If you follow pemdas, you would first do what is inside the parentheses, and then the exponent. In this case your exponent is inside the parentheses so you would simplify the exponent first, and then solve the rest of the problem (multiply/divide, add/subtract).

1-(8²+6)

1-(64+6)

1-70

-69

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Abebe is 12 years old and his sister Aster is 2 years old. In how many
Nonamiya [84]

Answer:

Abebe will be exact twice as old as Aster in 8 years.

Step-by-step explanation:

Since Abebe is 12 years old, and his sister Aster is 2 years old, there is a difference of 10 years between them (12 - 2). Therefore, the difference between the two implies that Abebe is exactly twice as old as her sister when she is 10 years old, and she is 20 years old (10 x 2 = 20).

Therefore, since 20-12 equals 8, Abebe will be twice as old as her sister Aster hers in 8 years.

6 0
3 years ago
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3 0
2 years ago
What is the quotient if 3/15 of 40 is divided by 7/8 of 4/14?
GrogVix [38]

Answer:

32

Step-by-step explanation:

3/15 * 40/7/8 *4/14

8/ 1/4 = 32

5 0
3 years ago
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Find the arc length of the 3/4 of a circle with a radius of 5
IgorLugansk [536]

Answer:

7.5 pi

Step-by-step explanation:

The formula for arc length of a sector is denoted as

\frac{x}{360}2\pi r, where x is the central angle of the sector.

Since the sector is 3/4 of a circle, the central angle will be 3/4 of 360 degrees.

3/4 of 360 is 270, so we have our central angle. We also have our radius which we can plug into the formula.

\frac{270}{360}2(5)\pi

2 times 5 is equal to 10, and 270/360 simplifies to 3/4. 3/4 times 10 is equal to 7.5, so the answer is 7.5 pi

3 0
3 years ago
16x what equals -112
fiasKO [112]

Answer:

-7

Step-by-step explanation:

16x=-112

x=-112/16

x=-7

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5 0
2 years ago
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