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IRISSAK [1]
3 years ago
12

If Amir is running at a faster pace; 6.7 mph, to the nearest hundredth of an hour , after how much time will Amir catch up to sa

l?
Mathematics
1 answer:
pickupchik [31]3 years ago
6 0

Answer:

7

Step-by-step explanation:

6.7 rounds up to 7

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21 3/4 as a improper fraction
Oduvanchick [21]

Answer:

87/4

Step-by-step explanation:

<u>Step 1:  Convert 21 3/4 into an improper fraction</u>

21 3/4 is same as 21 * 4/4 + 3/4

21 * 4/4 = 84/4

<u>Step 2:  Add them up</u>

84/4 + 3/4

87/4

Answer:  87/4

4 0
3 years ago
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If Adam orders a book from Store X, how much will he owe to the nearest cent? The tax rate only applies to the cost of the book.
Andrej [43]

Answer:

B

Step-by-step explanation:

just did the quiz

6 0
3 years ago
Read 2 more answers
Which expression is equivalent to 4g + 2g + 10
const2013 [10]
The actual answer is 6g+10
8 0
2 years ago
This affects earth’s climate because… (Select all that apply) Select one or more: a. Heat is trapped in carbon b. There are fewe
kondaur [170]
C. carbon is found in all living things

a. heat is trapped in carbon
6 0
3 years ago
A researcher studying public opinion of proposed Social Security changes obtains a simple random sample of 35 adult Americans an
Y_Kistochka [10]

Answer: a) 15, b) 1.

Step-by-step explanation:

A researcher studying public opinion of proposed social security changes obtains a simple random sample of 35 adult Americans and asks them whether or not they support the proposed changes. To say that the distribution of the sample proportion of adults who respond yes, is approximately normal, how many more Americans does the researcher need to sample in the following cases?

(a)    10% of all adult Americans support the changes

Here, np>5\ and\ n(1-p)>5

And , p=0.10

So, consider the equality, to find the value of 'n'.

np=5\\\\n\times 0.10=5\\\\n=\dfrac{5}{0.10}\\\\n=50

So, there are 50-35=15 more adult Americans needed.

(b)   15% of all adult Americans supports the changes

Here, p=0.15

So, again we get that

np=5\\\\n\times 0.15=5\\\\n=\dfrac{5}{0.15}\\\\n=33.33\\\\n\approx 34

So, there are 35-34=1 more adult Americans needed.

Hence, a) 15, b) 1.

5 0
3 years ago
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