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Serggg [28]
3 years ago
5

Soundtronics is a company that manufactures inexpensive headphones. Due to the high volume some of the headphones are defective

when they come off the production line. The probability that a set of headphones is defective is 39%. Find the probability that the first set of defective headphones is not one of the first 55 sets off the production line.
Mathematics
1 answer:
Simora [160]3 years ago
5 0
Ta3 l3able fi bi idek l ndaf li ba3dak mghassalon
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What is the answer to this expression when x=5<br> 3x+15=?
Nikitich [7]
3(5)+15= 30
because BIDMAS so we would multiply 3 by 5 then add the answer which would be 15 to 15 and we would get 30.
5 0
3 years ago
Read 2 more answers
In the year 2003 a company made 8.8 million in profits. For each consecutive year after that their profits increased by 6%. How
yaroslaw [1]

Answer:

The company's profit in 2007 was 11.088 millions

Step-by-step explanation:

This is a compound interest problem where the initial amount is 8.8 million, the interest rate is 6% and the time period is 4 years and it gets compounded yearly. So we can use the compound interest formula, that is given by:

A = P*(1 + r/n)^(n*t)

Where A is the final amount, P is the initial amount, r is the rate, t is the total amount of time and n is the number of times it gets compounded in one year. We can now use all the values that were given to us to find out the profit of the company.

A = 8.8*(1 + (0.06))^(4) = 8.8*(1.06)^16

A  = 8.8*1.26 = 11.088 millions

So the company's profit in 2007 was 11.088 millions

6 0
3 years ago
What is the total cost if the shirt cost $40 and 20% off
Eddi Din [679]
You'd simply have to find 20% of $40. To find the percent of a number, you would change the percent into an actual decimal/number, and then multiply them both. So the percent would become 0.20.

40 × 0.20 = 8

So now you would subtract 8 from the cost of 40.

 40 - 8 = 32.

The shirt costs $32.
7 0
3 years ago
War Eagle spied 1428 antelope and wildebeests grazing on the savannah. If the ratio of antelope to wildebeests was 9 to 5, how m
Nonamiya [84]

Answer:

9:5 = 1428:x

ratios can also be written as fractions, so

9/5 = 1428/x

solve for x

9/5 × x = 1428

x = 1428 / (9/5)

x = 918

4 0
3 years ago
A rectangular garden plot measures 9 m by 5 m. Chillies are planted in a rectangular area of the garden that measures 4.5 m by 2
Katena32 [7]

Answer:

20% of the garden is in chillies.

Step-by-step explanation:

\frac{4.5 \times 2}{9 \times 5}  =  \frac{9}{45}  =  \frac{1}{5}  = 20\%

6 0
2 years ago
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