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Umnica [9.8K]
3 years ago
6

A cell phone company orders 500 new phones from a manufacturer. If the probability of a phone being defective is 2.9%, predict h

ow many of the phones are likely to be defective. Round to the nearest whole number. 12 phones 15 phones 18 phones 145 phones
Mathematics
2 answers:
alisha [4.7K]3 years ago
8 0
<span>500  x 0.029 = 14.5 

answer
about </span><span>15 phones </span>
alex41 [277]3 years ago
4 0

Answer:

15 phones, option B.

Step-by-step explanation:

A cell phone company orders new phones = 500

The probability of a phone  is being defective = 2.9%

2.9% of 500 phones are = \frac{2.9}{100} × 500

0.029 × 500 = 14.5 rounded to the nearest whole number is 15

The probability of 15 phones are defective out of 500 phones.

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jasenka [17]

Answer:

The number of child tickets sold was 75 and the number of adult tickets sold was 97

Step-by-step explanation:

<u><em>The correct question is</em></u>

At the movie theater child admission is $6.30 an adult admission is $9.60 on Wednesday 172 tickets were sold for a total sales of $1403.70 How many child tickets and adult tickets were sold that day?

Let

x ----> number of child tickets sold

y ----> number of adult tickets sold

we know that

x+y=172 ----> equation A

6.30x+9.60y=1,403.70 -----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both lines

Using a graphing tool

The intersection point is (75,97)

see the attached figure

therefore

The number of child tickets sold was 75 and the number of adult tickets sold was 97

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Explain the order in which you should compute the operations in the expression below.
Reptile [31]

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2. Then you would add 1 to that answer to get 12

3. Then you would subtract 2^2 from that to get 8

Your answer would be 8.

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Who is Albert Einstein and i need for a essay so far i have
igomit [66]
Albert Einstein was born in Germany in 1879.He died by refusing surgery.
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Answer:

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Step-by-step explanation:

<u>Problem:</u>

Solve y=x2;y=−x−3

<u>Steps:</u>

I will solve your system by substitution.

y=1/2x;y=−x−3

Step: Solve y= 1/2x for y:

Step: Substitute 1/2 x for y in y=−x−3:

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3/2x = -3

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Step: Substitute −2 for x in y=1/2x:

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<u>Answer:</u>

x=−2 and y=−1

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