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oee [108]
3 years ago
7

Evaluate the following expression for x = –2 and y = –4.

Mathematics
1 answer:
elena55 [62]3 years ago
4 0

Step-by-step explanation:

check your question again

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3 tenths +4 tenths +__________tenths
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After sales tax, a $600 antique clock costs $642. What is the sales tax percentage?
LenKa [72]

well, clearly the tax is the added 42 bucks, so hmmm if we take 600 to be the 100%, how much is 42 off of it in percentage?

\begin{array}{ccll} amount&\%\\ \cline{1-2} 600 & 100\\ 42& x \end{array} \implies \cfrac{600}{42}=\cfrac{100}{x}\implies \cfrac{100}{7}=\cfrac{100}{x} \\\\\\ 100x=700\implies x=\cfrac{700}{100}\implies x=7

5 0
2 years ago
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What is the given amount converted to the given units 144 ft; inches​
Tatiana [17]

Final Answer: 1728 inches

Steps/Reasons/Explanation:

Question: What is the given amount converted to the given units 144 ft; inches?

Formula to convert feet to inches: Multiply the length value by 12.

<u>Steps</u>: Multiply 144 by 12

144 × 12 = 1728 inches

~I hope I helped you :)~

3 0
3 years ago
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Which is the correct input-output table for the function f(x) = 7 – 4.5x?
natta225 [31]
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