3 years ago

What repeated operation does a negative exponent show?

Mathematics

2 answers:

Zinaida [17]3 years ago

8 0

Answer:

Decreasing value

Step-by-step explanation:

sasho [114]3 years ago

6 0

Answer:

Step-by-step explanation:

It should be repeated division by the base if you think of it in reciprocals ie: a positive exponent means repeated multiplication

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Write an equation and solve round to the nearest hundredth when necessary 19 is what percent of 40

german

Answer:

Final answer is 47.5%.

Step-by-step explanation:

Let the missing percent is x.

Then x percent of 40 can be written as: $40\cdot\frac{x}{100}$ .

Given that resulting percent value is 19.

So we can set both equal.

$40\cdot\frac{x}{100}=19$

$40x=19\cdot100$

$40x=1900$

$x=\frac{1900}{40}$

$x=47.5$

So the final answer is 47.5%.

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3 years ago

Solve by elimination <br> 5x-15y=10<br> 3x-5y=-6

Dovator [93]

Multiply bottom equation by -3 to add and eliminate y’s.

So...

5x-15y=10
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Plug in to get y
5(-7)-15y=10
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So y=-3

Check in other equation
3(-7)-5(-3)=
-21+15=-6

So x= -7 and y= -3

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3 years ago

Which sign makes the statement true? -3 ? |3| is it greater than, less than, or equal to?

BlackZzzverrR [31]

-3<3

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3 years ago

A washer and a dryer cost $757 combined. The washer costs $57 more than the dryer. What is the cost of the dryer?

leva [86]

Answer:

814 coz when you add these number you got 814

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3 years ago

Read 2 more answers

The equation x power 3 - 6x=72 has a solution between 4 and 5.

Klio2033 [76]

Answer:

x power 3(x cube)- 6x -72=0 there it has change to quadratic equation x power 3(x cube)-12x+6x-72=0

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2 years ago

What repeated operation does a negative exponent show?​

What repeated operation does a negative exponent show?