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alex41 [277]
4 years ago
6

Max's salary is $500 a month. He spends 1/5 of his salary on two chairs and 3/5 of his salary on an air conditioner for his new

apartment
Mathematics
1 answer:
Advocard [28]4 years ago
7 0

Answer:

so he has 100$ left

Step-by-step explanation:

He spends 1/5 of his salary on two chairs that is 100$

then He spends 3/5 of his salary on an air conditioner for his new apartment that is 300$

so he has 100$ left

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Last year 40 people adopted a mantee through Fia's foundation. This year 30% more people adopted a manatee . How many people ado
Charra [1.4K]

Number of people adopted a mantee through Fia's foundation = 40

30% more are people adopted a manatee

Number of people adopted = 30% of 40 = (0.30)(40) = 12

People adopted a manatee this year = number of people + 30% of 40

People adopted a manatee this year = 40 + 12

People adopted a manatee this year = 52


3 0
4 years ago
Read 2 more answers
A random sample of 12 recent college graduates reported an average starting salary of $54,000 with a standard deviation of $6,00
Marianna [84]

Answer: a.) $50188 to $57812

Step-by-step explanation: <u>Confidence</u> <u>Interval</u> (CI) is an interval of values in which we are confident the true mean is in.

The interval is calculated as

x ± z\frac{s}{\sqrt{n} }

a. For a 95% CI, z-value is 1.96.

Solving:

54,000 ± 1.96.\frac{6000}{\sqrt{12} }

54,000 ± 1.96\frac{6000}{3.464}

54,000 ± 1.96*1732.102

54,000 ± 3395

This means the interval is

50605 < μ < 57395

<u>With a 95% confidence interval, the mean starting salary of college graduates is between 50605 and 57395 or </u><u>from 50188 to 57812$.</u>

<u />

b. The mean starting salary for college students in 2017 is $50,516, which is in the confidence interval. Therefore, since we 95% sure the real mean is between 50188 and 57812, there was no significant change since 2017.

4 0
3 years ago
Order these numbers from least to greatest.<br><br> 8.88, 8.8, 7.3962, 8.808
Wewaii [24]
7.3962, 8.8, 8.808, 8.88
8 0
3 years ago
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2. At the bike shop, Jason is buying a new bike that costs $215. If the sales tax rate in his state is 7%, how much tax will Jas
Usimov [2.4K]

Answer:

Jason will pay $50.05 in taxes

Step-by-step explanation:

5 0
3 years ago
If the probability of trowing a score of seven with 2 dices is ⅛ ,what is the probability of not throwing a score of seven
V125BC [204]

Answer:

7/8

Step-by-step explanation:

because 1 - ⅛ = 7/8. which would mean the answer is 7/8

3 0
3 years ago
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