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suter [353]
2 years ago
15

*PLEASE HELP*(The Question Is In The Attachment* ​

Mathematics
1 answer:
djverab [1.8K]2 years ago
8 0

Answer:

-2\frac{1}{10}

Step-by-step explanation:

The expression given can be rewritten as:

-\frac {4}{10}-x-\frac {9}{10}

Because +(-n) is just -n. Then, combine like terms to get:

-\frac{13}{10}-x

Substitute \frac{4}{5} for x to get:

-\frac{13}{10}-\frac{4}{5}

Which can be rewritten as:

-\frac{13}{10}-\frac{8}{10}

Which is:

-\frac{21}{10}. -2\frac{1}{10} as a mixed number

Hope this helps :)

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30 POINTS FOR THE GENUIS WHO CAN ANSWER THIS!!
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Answer:

Answers are below in bold

Step-by-step explanation:

1) A = 1/2bh          Use this equation to find the area of each triangular base

A = 1/2(8)(6)         Multiply

A = 1/2(48)           Multiply

A = 12cm²           Area of each triangular base

2) A = L x W        Use this equation to find the area of the bottom rectangular face

A = 20 x 8          Multiply

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3) A = L x W        Use this equation to find the area of the back rectangular face

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4) A = L x W        Use this equation to find the area of the sloped rectangular face

A = 20 x 10         Multiply

A = 200 cm²      Area of the sloped rectangular face

5) To find the total surface area of the triangular prism, add together all of the numbers.

A = 12 + 12 + 160 + 120 + 200       Add

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6 0
3 years ago
Simplify what is written here
Inessa05 [86]

When multiplying terms that have the same base (in this case, x) but different exponents, you can add their exponents to make them one term.


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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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