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Otrada [13]
3 years ago
11

Solve for b. 3b < 9 23 Submit

Mathematics
1 answer:
Margarita [4]3 years ago
4 0

Answer:

b>3

Step-by-step explanation:

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When you find 100% of a number, how does your answer relate to the original number?
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What is the surface area of an orange with a 3inch radius
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Orange = sphere

S.A of sphere

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A chemist wishes to mix a 30% acid solution with a 65% acid solution to obtain 175 quarts of 55% acid solution . How many quarts
Eva8 [605]

x = quarts of 30% acid solution

y = quarts of 65% solution

x + y = 175

Each quart of the 30% solution contributes 0.30x quarts of acid; similarly, each quart of the 65% solution contributes 0.65y quarts of acid. So

0.3x + 0.65y = 0.55*175 = 96.25

That is, the chemist wants 175 quarts of a new mixture with a 55% concentration of acid, which comes out to 95.25 total quarts of acid. The total amounts of acid from either sides of this equation must balance out.

Now solve for x and y:

x + y = 175  ==>  y = 175 - x

0.3x + 0.65y = 96.25  ==>  0.3x + 0.65(175 - x) = 96.25

==>  0.3x + 113.75 - 0.65x = 96.25

==>  17.5 = 0.35x

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7 0
3 years ago
Can someone explain this to me and how you do it. Also please help me get the answer and show some work on how you got it!
navik [9.2K]

Answer:

Step-by-step explanation:

5\frac{1}{3} ÷ \frac{4}{7} = \frac{16}{3} ÷ \frac{4}{7}

= \frac{16}{3} × \frac{4}{7}= \frac{64}{21}

3 0
2 years ago
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