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xz_007 [3.2K]
3 years ago
9

A clothing store has one floor devoted to sweaters. Ninety percent of the sweaters are wool. If the probability that a sweater i

s a black wool sweater is .63, what percent of the wool sweaters are black?
A.27%
B.50%
C.70%
D.90%
E. None of the above
Mathematics
1 answer:
larisa [96]3 years ago
4 0

Answer:

27%

Step-by-step explanation:

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How many rows of seats are needed to seat 673 people at a concert when the rows seat 37 people each?
Rasek [7]

Answer:

18.189 rows

Step-by-step explanation:

673 / 37 = 18.189189189

Hope this helps!

5 0
3 years ago
Kevan is 6 years younger than his sister Katie. Melanie is twice as old as kevan. How old are all three siblings?
trapecia [35]
(Kevin) y= k-6 - k minus six

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6 0
3 years ago
PLS HELP the LAST QUESTION, please...
Alex73 [517]

Answer:

280 Cubic inches

Step-by-step explanation:

When finding the volume, the equation is V=l*w*h

Therefore, the equation should be:

10.1*3.9*6.8

This is equal to exactly 267.852

However, the answer is 280 cubic in. because it's a larger number and it's about 13 from the actual answer. On the other hand, 250 cubic in. is about 17 from the actual number.

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3 years ago
It takes Natalie five hours to tar a roof. Imani can tar the same roof in ten hours. How long would it take them if they worked
tresset_1 [31]

Answer:

C. 3.33 hours

Step-by-step explanation:

Use the algebra work equation:

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Plug in the values we know:

\frac{1}{tb} = \frac{1}{5} + \frac{1}{10}

\frac{1}{tb} = \frac{4}{20} + \frac{2}{20}

\frac{1}{tb} = \frac{6}{20}

20 = 6tb

3.33 = tb

So, it would take them 3.33 hours when working together.

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3 years ago
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Is this the whole question?
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