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Volgvan
3 years ago
5

Hi I'm looking to solve this question for my work but I'm super stuck and I need help asap. Thsnks

Mathematics
1 answer:
MrMuchimi3 years ago
8 0
10w + 9 Are you combing like terms?
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Estimate the difference. 9 1/2- 1 6/7
nataly862011 [7]
3.64 is the estimated difference 
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4 years ago
lexi bought 1 2\5 pounds of green grapes and 2 3\10 pounds of red grapes. Grapes are 2.99 a pound. Did lexi spend more or less t
prisoha [69]

Answer:

Less than $12

Step-by-step explanation:

I changed everything into decimals to make it easier to solve:

1 2/5= 1.4

2 3/10= 2.3

1.4+2.3=3.7

2.99·3.7=11.063 (Round it to the nearest hundredth and you get 11.06)

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3 years ago
Read 2 more answers
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the dista
lidiya [134]
Recall your d = rt,  distance = rate * time.

notice, the distance are the same, say it was "d" miles.

and if car A is travelling at a speed of say "r" mph, then B is going at "r+15" mph.

\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
\textit{Car A}&d&r&2\\
\textit{Car B}&d&r+15&1.5
\end{array}
\\\\\\
\begin{cases}
\boxed{d}=2r\\
d=1.5(r+15)\\
----------\\
\boxed{2r}=1.5(r+15)
\end{cases}
\\\\\\
2r=1.5r+22.5\implies 0.5r=22.5\implies r=\cfrac{22.5}{0.5}\implies \boxed{r=\stackrel{mph}{45}}

how far is B going?  well, r + 15.
5 0
4 years ago
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Which graph shows a strong negative correlation
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The one with the steepest slope going down from left to right
7 0
3 years ago
Before running in a 100-m race, Gaalen's heart rate was
Inessa05 [86]

Answer:

120 bpm

Step-by-step explanation:

after strenuous exercise your heart rate wouldn't decrease as your body needs more oxygenated blood causing your heart to pump harder and faster

3 0
3 years ago
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