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nexus9112 [7]
3 years ago
8

How do you write -3( 1 - 8m - 2n) in standard form.

Mathematics
1 answer:
Ulleksa [173]3 years ago
7 0

You distribute the three into the numbers in parentheses. -3+24n+6n. Then combine like terms. -3+30n


But I may be wrong.

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A 24 foot ladder is placed against a building at an angle of 75⁰. How far is the bottom of the ladder from the building?
yanalaym [24]
24ft is the hypotenuse, at an angle of 75<span>⁰, and we need to find the adjacent.

We use cos(), which is adjacent divided by hypotenuse.

Therefore, we can find the adjacent by doing:

25 * cos(75) = 6.47ft

Round the answer however you like.</span>
6 0
3 years ago
Rewrite the following expression.
faust18 [17]

We have been given the expression

x^{\frac{9}{7}}

We have the exponent rule

x^{\frac{a}{b}}= x^{a^{(\frac{1}{b})}}

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x^{\frac{9}{7}}= x^{9^{(\frac{1}{7})}}

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D is the correct option.

6 0
3 years ago
Read 2 more answers
If you save $700 and earn $3 interest for every $100, how much money will you have in all?
Margaret [11]

Answer:

721

Step-by-step explanation

700 divided by 100 is 7.

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4 0
3 years ago
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One number is six times as large as another. The sum of their reciprocal is 7. What are the numbers
RideAnS [48]
X=6y

sum of their reciprocals
(1/x)+(1/y)=7
x=6y
1/6y+1/y=7
1/6y+6/6y=7
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times both sides by 6y
7=42y
divide both sides by 42
1/6=y

x=6y
x=6(1/6)
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5 0
3 years ago
Simplify x + 4 - 5x - 2
Blababa [14]

Answer:

-2(2x-1)

Step-by-step explanation:

x+4-5x-2

1) collect like like terms

-4x+2

2) factor out the -2

-2(2x-1)

3) that gives you the final answer of

-2(2x-1)

7 0
3 years ago
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