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garri49 [273]
2 years ago
9

“twice the sum of a number and 6 is more than 84”

Mathematics
1 answer:
stealth61 [152]2 years ago
3 0

Answer:

81

Step-by-step explanation:

2x+6=84

2x=78

81

find your own way

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120 divided by 40 = 3

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Naomi has earned $54 mowing lawns the past 2 days. She worded 21/2 hours yesterday and 41/4 hourse today. If Naomi is paid the s
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She worked 2 and 1/2 hours yesterday, and today she did 4 and 1/4 hours.

first off, let's check how many hours she worked total, and divide 54 by it.

so, first off, let's convert the mixed fractions to "improper" and add them up.

\bf \stackrel{mixed}{2\frac{1}{2}}\implies \cfrac{2\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{5}{2}}
\\\\\\
\stackrel{mixed}{4\frac{1}{4}}\implies \cfrac{4\cdot 4+1}{4}\implies \stackrel{improper}{\cfrac{17}{4}}\\\\
-------------------------------

\bf \cfrac{5}{2}+\cfrac{17}{4}\impliedby \textit{our LCD will be 4}\implies \cfrac{(2\cdot 5)+(1\cdot 17)}{4}
\\\\\\
\cfrac{10+17}{4}\implies \cfrac{27}{4}\implies \stackrel{total~hours}{6\frac{3}{4}}
\\\\\\
\cfrac{\stackrel{wages}{54}}{\stackrel{hours}{6\frac{3}{4}}}\implies \cfrac{54}{\frac{27}{4}}\implies \cfrac{\frac{54}{1}}{\frac{27}{4}}\implies \cfrac{54}{1}\cdot \cfrac{4}{27}\implies \cfrac{216}{27}\implies 8~\frac{\$}{hr}
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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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There are no angles given which eliminates 2 options.

Answer:  Option A, SSS Postulate

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3 years ago
Geometry help? 4 questions so 40 points!!
san4es73 [151]
D
C
B
D

Hope I helped!
Giving me brainliest is much appreciated! =)

4 0
3 years ago
Read 2 more answers
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