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Sergeu [11.5K]
2 years ago
11

A $40 shirt now selling for $28 is discounted by what percent? A. 20% B. 30% C. 40% D. 60 %

Mathematics
1 answer:
mars1129 [50]2 years ago
3 0

Answer:

c

Step-by-step explanation:

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r

(

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Step-by-step explanation:

7 0
3 years ago
An urn contains balls numbered 1 through 20. A ball is chosen, returned to the urn, and a second ball is chosen. What is the pro
stira [4]
<h2>Answer:</h2>

The probability is:

                   \dfrac{1}{400}

<h2>Step-by-step explanation:</h2>

It is given that:

An urn contains balls numbered 1 through 20.

A ball is chosen, returned to the urn, and a second ball is chosen.

This means that this is a case of a replacement.

Hence, one of the event is independent of the other.

Now we know that the probability to get a particular number of ball is:

                  \dfrac{1}{20}

( Since, there are total 20 balls and a ball of one particular number is just unique )

i.e. \text{Probability of getting a 8}=\dfrac{1}{20}

Hence, the probability that the first and second balls will be a 8 is:

=\dfrac{1}{20}\times \dfrac{1}{20}\\\\\\=\dfrac{1}{400}

7 0
3 years ago
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If one wheel on bob's model 4 inches across, how many inches across is the actual wheel on his bike? Explain.
emmasim [6.3K]

Answer:

There is not enough information to answer this question. Is there perhaps a diagram or table provided?

Step-by-step explanation:

4 0
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a bird 7 ft in the air flies down to the ground what integer would you use to represent the change in the bird's position
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ANSWER(S):

-7

EXPLANATION(S):

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3 years ago
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