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laila [671]
3 years ago
13

The job paid $25 for every 2 hours of work. Write an equation that represents how much the jobs pays, y, for x hours of work.

Mathematics
1 answer:
sergejj [24]3 years ago
6 0

Answer:

$12,5xy

Step-by-step explanation:

y = how much the jobs pays

x = hours of work

25 \div 2

= 12.5xy

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Mark walked 1212 miles in 5 hours. How many miles did Mark walk in 1 hour?
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Step-by-step explanation:

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Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.50.
Mariulka [41]

Answer:

95% Confidence interval for taxi fare:  ($20.5,$24.2)

Step-by-step explanation:

We are given the following data set: for fares:

$22.10, $23.25, $21.35, $24.50, $21.90, $20.75, and $22.65

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{156.5}{7} = 22.35

95% Confidence interval:

\bar{x} \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

22.35 \pm 1.96(\frac{2.5}{\sqrt{7}} ) = 22.35 \pm 1.85 = (20.5,24.2)

6 0
3 years ago
Write 2, 330, 000 in scientific notation?
Genrish500 [490]

Answer:

2.33 × 10^6

Step-by-step explanation:

I just used a calculator, to be honest. It was super simple.

2.33 * 10^6

2.33 * (10*10*10*10*10*10)

which then equals 2,330,000

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Shari had six dimes and nine nickels.Did she have enough money to buy a $0.99 pack of gum
Flura [38]

Answer:yes she does cauce she has 1.05

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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Answer:

6n

Step-by-step explanation:

A product refers to the multiplication of two or more numbers.

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