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wlad13 [49]
3 years ago
7

On a normal curve the center of the range of scores is represented by the what

Mathematics
1 answer:
Flauer [41]3 years ago
6 0
On a normal curve the center of the range of scores is represented by the .Sean.
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Rina is making a nut mixture to sell at the local farmers' market. She mixes 6 pounds of pecans with a nut mixture that is 70% p
Marat540 [252]
So the best way to do these is concentration1 (%) × volume1 = concentration2 × volume2
Or C1V1 + C2V2 = C3V3, where C1 = 100% (bc ALL pecans), V1 = 6 lbs, C2 = 70%, C3 = 82%:
100%×6 + 70%×v2 = 82%×(6+v2)
100%=1.00, 70%=.7, 82%=.82
note: if none is poured out then v3 = v1+v2
6 + .7v2 = .82 (6+v2)
6 + .7v2 = 4.92 + .82v2
6 + .7v2 -.7v2 = 4.92 + .82v2 -.7v2
6 = 4.92 + .12v2
6-4.92 = 4.92-4.92 + .12v2
1.08 = .12v2
.12v2/.12 = 1.08/.12
v2 = 9 lbs
that's only v2!!!

For the final poundage, we need v3:

v3 = 6 + v2 = 6 + 9 = 15 lbs
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3 years ago
Which is bigger: 3/8 or 7/20
umka21 [38]
\rm ^{20)}\frac{3}{8}= \frac{60}{160}  \\ \\ ^{8)}\frac{7}{20}= \frac{56}{160} \\ \\ So~ \frac{3}{80}~is~bigger~because~60\ \textgreater \ 56.
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Answer:

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Step-by-step explanation:

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3 years ago
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I need help with this question
aalyn [17]
The first step is to square root both sides to get the exponent out. that actually is the only step :)
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How many 1/6 cups of raisins are in 3/2 cups of raisins?
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3/2 = 9/6
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