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3 years ago

8 by the power of -4

Mathematics

1 answer:

Musya8 [376]3 years ago

6 0

Answer:

1/4096

Step-by-step explanation:

Note that if there is a negative in the power, simply put the term and power under 1.

8^(-4) = 1/(8^4)

Simplify:

1/(8 * 8 * 8 * 8) = 1/(4096)

1/4096 is your answer.

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Type a digit that makes this statement true. 768,72 is divisible by 6. Help Me

kiruha [24]

Answer:

Step-by-step explanation:

Rule for divisibilty of 6:

sum of place values is a multiple of 3
an even number

Step 1: dd the integers

7 + 6 + 8 + 7 + 2 + x
30 + x

Now, we have a couple options:

x = 3
x = 6
x = 9

You can use any of these three values,

But the number has to be even, so the last digit has to be even. The correct answer is 6.

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2 years ago

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Answer:

343

Step-by-step explanation:

Big brain calculator work

28 + 35 + 42 + 49 + 56 + 63 + 70 = 343

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2 years ago

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60 pOINTS HELP PLEASE 4. A 20-kg child is tossed up into the air by her parent. The child is 2 meters off the ground traveling 5

Solnce55 [7]

K.E=0.5mv^2
GPE=mgh
The child has both K.E and GPE
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3 years ago

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Step-by-step explanation:

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2 years ago

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Which of the following is an extraneous solution of the square root of -3x-2=x+2

yarga [219]

Answer:

x=-6 is an extraneous solution

Step-by-step explanation:

we have

$\sqrt{-3x-2} =x+2$

squared both sides

$-3x-2=(x+2)^2$

$-3x-2=x^2+4x+4$

$x^2+7x+6=0$

solve the quadratic equation by graphing

The solution is x=-6 and x=-1

see the attached figure

Verify each solution

substitute the value of x in the original expression

For x=-6

$\sqrt{-3(-6)-2} =-6+2$

$\sqrt{16} =-4$

$4=-4$ ----> is not true

Is an extraneous solution

For x=-1

$\sqrt{-3(-1)-2} =-1+2$

$\sqrt{1} =1$

$1=1$ ----> is true

Is the solution

4 0

3 years ago