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2 years ago

The midpoint of line XZ is (2,-5). One endpoint is X(12,-5). Find the coordinates of the other endpoint Z

Mathematics

1 answer:

Inga [223]2 years ago

6 0

Answer: (-8,-5)

Step-by-step explanation:

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How do you expand -10(4-b)

katen-ka-za [31]

Answer:

Step-by-step explanation:

−10(4−b)

=(−10)(4+−b)

=(−10)(4)+(−10)(−b)

=−40+10b

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2 years ago

0.2 as a simplest form?

liq [111]

0.2 in its simplest form as a fraction can be 2/10

reduced to 1/5

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3 years ago

How many bucketloads would it take to bucket out the world’s oceans? Write your answer in scientific notation.

kodGreya [7K]

Answer: $7\times10^{19} buckets$

Step-by-step explanation:

Given: A cubic kilometer= $10^{15}$ cubic centimeters

The volume of world’s oceans= $1.4\times10^{9}$ cubic kilometers of water.

⇒ The volume of world’s oceans= $1.4\times10^{9}\times10^{15}$ cubic centimeters of water.

Volume of a bucket = 20,000 cubic centimeters of water.

The number of bucket-loads would it take to bucket out the world’s oceans

$n=\frac{\text{volume of ocean}}{\text{volume of bucket}}=\frac{1.4\times10^{9}\times10^{15}}{20000}$

$\Rightarrow\ n=\frac{1.4\times10^{9+15}}{0.2\times10^5}......[a^n\times a^m=a^{m+n}]\\\Rightarrow\ n=7\times10^{24-5}.....[\frac{a^m}{a^n}=a^{m-n}]\\\Rightyarrow\ n=7\times10^{19}$

hence, $7\times10^{19}$ bucketloads would it take to bucket out the world’s oceans.

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3 years ago

Show how can you find the unit rate without using the models

Hatshy [7]

Answer:

You can use equation or use a calculator.

Step-by-step explanation:

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3 years ago

What’s the correct answer for this?

Aleksandr [31]

Answer:

Step-by-step explanation:

52units

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3 years ago

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