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3 years ago

10

What are two ratios that are equivalent to 2:10

1 answer:

Morgarella [4.7K]3 years ago

7 0

4:20 and 1:5 are equivalent to 2:10

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Rewrite the expression as a single power with a negative exponent

goblinko [34]

$~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] ~\dotfill\\\\ \left(\cfrac{1}{3}\cdot \cfrac{1}{3}\cdot \cfrac{1}{3}\cdot \cfrac{1}{3} \right)^2\implies \left[ \left( \cfrac{1}{3} \right)^4 \right]^2\implies \left( \cfrac{1^4}{3^4} \right)^2 \\\\\\ \left( \cfrac{1^{4\cdot 2}}{3^{4\cdot 2}} \right) \implies \cfrac{1}{3^8} \implies 3^{-8}$

let's recall that

$\begin{array}{llll} 1^1&=&1\\ 1^{10}&=&1\\ 1^{1,000}&=&1\\ 1^{1,000,000,000}&=&1\\ 1^{1,000,000,000,000}&=&1\\ \end{array}$

8 0

2 years ago

On a math test a student, Sarah, has to identify all the coefficients and constants of the expression 8m+2+n. Sarah says that

Shalnov [3]

Answer:

Coefficients: 8

Constants: 2

Variables: m and n

Step-by-step explanation:

Sarah had made no errors-

A number on its own is called a Constant.

A coefficient is a number used to multiply a variable.

6 0

3 years ago

Read 2 more answers

It costs you $22.25 per day to rent a car in New York City. In addition, you have to pay 16 cents for every mile you travel. How

olganol [36]

Answer: $178.13

Step-by-step explanation:

418x0.16=66.88

22.25x5=111.25

111.25+66.88=178.13

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3 years ago

Lexi needs to buy a hundred and five bases for a party each package has six faces how many packages should Lexi by show work

Illusion [34]

105 divided by 6 equals 17. 5
She should buy 18 packages

7 0

3 years ago

4x-1divide by 2=x+7<br> what is x

sertanlavr [38]

X= 2.5
just move the terms collect the terms calculate it, divide both sides !!

6 0

3 years ago