4 years ago

Evaluate the expression 8^2 ----- 8^4

Mathematics

1 answer:

gayaneshka [121]4 years ago

6 0

8^2= 8 times 8 = 64

8^4= 8 times 8 times 8 times 8= 4,096

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Dan borrowed $750.00 from his brother who is charging him 8% simple interest. If Dan pays his brother back in 6 months, how much

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Solution:

we are given that

Dan borrowed $750.00(=P) from his brother who is charging him 8% (=r)simple interest.

Dan pays his brother back in 6 months(=t).

we have been asked to find- how much does he have to pay back including the interest?

As we know that

$(Simple \ Interest)SI=\frac{PRT}{100}$

Substitute the values we get

$SI=\frac{750*8*1/2}{100}= 30\\$

Hence net payable amount is 750+30=$780

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Answer:

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Step-by-step explanation:

x + x + 1 = -92

2x + 1 = -92

-1 -1

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An object is launched from the ground. The object’s height, in feet, can be described by the quadratic function h(t) = 80t – 16t

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Answer:

The object hits the ground 5 seconds after being launched.

Step-by-step explanation:

The height of the object in t seconds after being launched is given by the following equation:

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When will the object hit the ground after it is launched?

This is t for which h(t) = 0.

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Then

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This is the launch point

$5 - t = 0$

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The object hits the ground 5 seconds after being launched.

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