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Lelechka [254]
3 years ago
15

A skating rink charges a group rate of $9.25 plus a fee to rent each pair of skates. A family rents 7 pairs of skates and pays a

total of $39. How much does it cost to rent one pair of skates?
Mathematics
1 answer:
mojhsa [17]3 years ago
7 0

Answer:

4.25$ per pair of skates

Step-by-step explanation:

Subtract 9.25 from 39. You get 29.75. Just divide 29.75 by 7 and you get 4.25

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The radius of the inscribed circle is 10in what is the perimeter of square CABD
Monica [59]

Answer:


Step-by-step explanation:

Diameter = 10 * 2 = 20in

Diameter of inscribed circle = Length of one side of square

Perimeter of square = 4 * length

P = 4 * 20 = 80in

6 0
4 years ago
amy has 24 dolls, 18 of her dolls have blond hair and the rest have black what is the ratio of the number of dolls that have bla
Anettt [7]

Answer: 6 : 24 is for black haired and 18 : 24 is for blond

Step-by-step explanation:

18 : 24

24 - 18 = # of black haired dolls

6 = # of black haired dolls

Ratio

6 : 24

8 0
3 years ago
Am I correct I think I found my answer but I am not sure ??
Sauron [17]

In a parallelogram, opposite sides are parallel and equal . So to prove JKLM a parallelogram, we need to satisfy both criterias . And only the last option stand up on both criterias that is opposite sides are parallel and equal .

So the correct option is the last option .

8 0
3 years ago
What is 57 divided by (-11)
kifflom [539]
The answer to your problem is -5.2
6 0
3 years ago
22. Abnormalities In the 1980s, it was generally believed that congenital abnormalities affected about 5% of the nation’s childr
Vinvika [58]

Answer:

Step-by-step explanation:

Set up null and alternate hypothesis

H0: p =0.05

Ha: p>0.05

(One tailed test at 5% level)

Sample size n =384

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p difference = 0.1198-0.05 =0.0698

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Test statistic = 4.23

p value = 0.000012

Since p<0.05, we reject null hypothesis

There is more than 99.95% probability that proportion is more than 0.05

We accept the claim that the risk has increased.

6 0
3 years ago
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