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3 years ago

Write the reciprocal of -8

Mathematics

1 answer:

butalik [34]3 years ago

3 0

Answer:

1/-8

Step-by-step explanation:

You put the -8 into fraction form -8/1, and you switch the denominator and numerator and you get 1/-8 or -1/8. In decimal form that would be -0.125

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Billie solved the equation below by completing the square, but she got the incorrect solution. In which step did Billie first ma

Tanzania [10]

Answer:

step 2

Step-by-step explanation:

we have

$x^{2} +10x-49=0$ ---> given problem

step 1

Move the constant to the right side

$x^{2} +10x=49$

the step 1 is correct

step 2

Complete the square

$x^{2} +10x+5^2=49+5^2$

$x^{2} +10x+5^2=74$

The step 2 is not correct

step 3

Rewrite as perfect squares

$(x+5)^{2}=74$

step 4

take square root both sides

$x+5=\pm\sqrt{74}$

step 5

Find the values of x

$x=-5\pm\sqrt{74}$

$x=-5+\sqrt{74}$

$x=-5-\sqrt{74}$

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3 years ago

Which unit of measurement would be appropriate for the volume of a sphere with a radius of 2 meters

Semenov [28]

The volume of a sphere is found with the following formula:

$V = \frac{4}{3}\pi r^3$

The radius is raised to a power of 3. Since the radius is 2 meters, this means that the volume would be measured in cubic meters.

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3 years ago

Complete the sentence 0,5,1,6,2,7 _,_

Scorpion4ik [409]

3,8
That’s the answer Hope this helped

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2 years ago

Simplify..... 4p + 2p

aleksley [76]

Answer:

Step-by-step explanation:

You just add 4 and 2 together and then put p at the end because they are like terms.

6 0

3 years ago

Read 2 more answers

E + 1 13/16 = 2 5/16

Burka [1]

e + 1 13/16 = 2 5/16

subtract 1 13/16 from each side

e = 2 5/16 - 1 13/16

borrow from the 2

e = 1 16/16 + 5 /16 - 1 13/16

e = 1 21/16-1 13/16

e = 1 8 /16

e = 1 1/2

7 0

3 years ago