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3 years ago

Answer for part A please

Mathematics

1 answer:

aleksklad [387]3 years ago

5 0

For part A the answer to that would be the second one

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Evaluate -(2^-6)(2^3) A. -8 B. 1/8 C. - 1/8 D. 8

erma4kov [3.2K]

Answer:

the answer is -1/ 8

Step-by-step explanation:

(−2−6)(23)

=(−1/64)(2x3)

=−1/64 (2x3)

2x2x2= 8

-1/64 8/8

Now you divide both sides by 8

-1/64 / 8/8= -1/8

So your answer is −1/8(C)

hope it helpsssssss :)

6 0

3 years ago

What is the value of -8 (17-12) over -2(8-(-2)) A. -4 B. -2 C. 2 D. 4

Ivan

Answer:

C=2

Step-by-step explanation:

-8(17-12)= -8(5)= -40

then

-2(8-(-2))= -2(10) = -20

so then

-40/-20

=-2

3 0

4 years ago

Read 2 more answers

For a circle with a radius of 6 feet, what is the measurement of the central angle (in degrees) that intercepts an arc

geniusboy [140]

Answer: The central angle measures 135 degrees

Step-by-step explanation: We have been given an arc with length 9pi/2 feet and a radius of 6 feet. The arc is shown in the attached diagram (please see attachment). The central angle subtended by this arc is at point O and has been labeled angle X.

So if the diagram shows arc AB with length 9pi/2 and radius AO with length 6, we can use the formula to compute “Length of an arc” to arrive at the missing angle.

Length of an arc = X/360 x 2pi x radius

Substituting for the known values, our formula can now be re-written as

9pi/2 = X/360 x 2pi x6

By cross multiplication we now have

9pi/2pi x 6 = 2X/360

We simplify as much as possible by dividing all like terms, hence pi divides pi on the left side of the equation. Also 2 divides 360 on the right side of the equation.We now arrive at,

9/12 = X/180

Simplify even further and we have

3/4 = X/180

By cross multiplication we now have

(3 x 180)/4 = X

540/4 = X

135 = X

Therefore the central angle that intercepts the arc measures 135 degrees.