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Dmitry_Shevchenko [17]
2 years ago
10

38F hotter or 2C (Tempture)

Mathematics
2 answers:
dedylja [7]2 years ago
6 0
38F is hotter than 2C
viva [34]2 years ago
4 0
38* F is hotter. 2*C is only 35.6*
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Pani-rosa [81]
I hope I’m not too late. Substitute x = 4y + 5y = 2
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3 0
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Please help me with this question!
gavmur [86]
First off, let's convert the percentages to decimal format, so our 77% turns to 77/100 or 0.77, and our 55% turns to 55/100 or 0.55 and so on

now, the sum of both salines, must add up to the 77% mixture, let's say is "y"
so, 11 + 4 = y, and whatever the concentration level is, must also sum up to the mixture's concentration of 77%

anyway   thus

\bf \begin{array}{lccclll}
&amount&concentration&
\begin{array}{llll}
concentrated\\
amount
\end{array}\\
&-----&-------&-------\\
\textit{first sol'n}&11&x&11x\\
\textit{second sol'n}&4&0.55&2.20\\
------&-----&-------&-------\\
mixture&y&0.77&0.77y
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
11+4=y\implies 15=\boxed{y}\\
11x+2.2=0.77y\\
----------\\
11x+2.2=0.77\cdot \boxed{15}
\end{cases}

solve for "x"
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3 years ago
I need help with this question please.
Reil [10]

Answer:

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Step-by-step explanation:

Why? Because that has nothing to do with the problem and no solution for 3/5.

7 0
2 years ago
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Cloud [144]

Answer:

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Step-by-step explanation:

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W = \frac{1}{3}\times 60 = 20 gallons.

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5 0
3 years ago
Each side of a square is increasing at a rate of 3 cm/s. At what rate is the area of the square increasing when the area of the
abruzzese [7]
The area of the square is increasing at the rate of 36(3/2)^(1/2).btw,i forget to add ^2 to `cm`

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