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Aliun [14]
3 years ago
11

2) Joanie got paid $111 to babysit three kids for 6 hours. How much was she paid per hour?

Mathematics
1 answer:
Hatshy [7]3 years ago
6 0

Answer:

18.5

Step-by-step explanation:

Since she was paid $111 for 6 hours, you divide 111/6 to get 18.5

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A clothing store has a section of jeans on sale. There is a 30% chance of picking a pair with a 30-inch inseam; a 25% chance of
Andrej [43]

The expected value of the inseam length of the jeans is found as

30% of 30+ 25% of 32+ 10% of 34+ 10% of 36 + 10% of 38 + 15% of 40

= \frac{30}{100}\times30 +\frac{25}{100}\times32+ \frac{10}{100}\times34+ \frac{10}{100}\times36 +\frac{10}{100}\times38+ \frac{15}{100}\times40

= 9+8+3.4+3.6+3.8+6=33.8

Hence, the third option 33.8 is the correct expected value.

3 0
3 years ago
Jessica finished a race that was 5 miles long in 30 minutes and 15 seconds. Casey finished a race that was 2 miles log in 11 min
poizon [28]

Answer:

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Step by step explanation:

You divide the miles by their time

It took Jessica 6 minutes and .03 seconds to finish a mile

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Casy is .09 Seconds quicker than Jessica

3 0
3 years ago
$2000 was borrowed for 4 years with an interest rate of 3% compounded annually. What is the total amount owed at the end of the
kompoz [17]

Answer:

\$2,251.02  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the total amount owed  

P is the amount of money borrowed

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=4\ years\\ P=\$2,000\\ r=3\%=3/100=0.03\\n=1  

substitute in the formula above  

A=2,000*(1+\frac{0.03}{1})^{1*4}  

A=2,000*(1.03)^{4}  

A=\$2,251.02  

4 0
3 years ago
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Answer:

y = x-9

Step-by-step explanation:

6 0
3 years ago
26.72 ÷ 4.7 (Round to the nearest hundredth)
padilas [110]

Answer:

6 0r 5.6 rounded to the nearest hundredth

Step-by-step explanation:

5 0
2 years ago
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