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NNADVOKAT [17]
3 years ago
5

Josh wants to figure out how far he can run in 30 minutes or less. He averages 8 minutes to run a mile. What inequality can he u

se to solve this problem?
Mathematics
1 answer:
OLga [1]3 years ago
8 0
Time to run 1 mile * number of miles run must be 30 minutes or less
Time to run a mile is 8
Used m = number of miles ran
8m <= 30

<= is less than or equal to
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Which should Mark do to increase his credit score?
Masja [62]

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Pay Your Bills on Time. ...

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Don't Close Unused Credit Cards.

8 0
4 years ago
A group of 5 students was asked, "How many hours did you watch television last week?" Here are their responses: 17, 8, 19, 9, 15
never [62]

Answer:

13.6 hours

Step-by-step explanation:

To find the mean you first add all the numbers together, in this case 68. Then you have to divide this by the number of scores you added, which is 5. So 68/5= 13.6

5 0
3 years ago
An inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects prior to usi
anastassius [24]

Answer:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info given we got:

z=\frac{0.06-0.10}{\sqrt{\frac{0.10(1-0.10)}{200}}}=-1.89  

And the p value would be given by:

p_v =P(z  

Step-by-step explanation:

Information given

n=200 represent the random sample taken

X=12 represent the potatoes with major defects

\hat p=\frac{12}{200}=0.06 estimated proportion of potatoes with major defects

p_o=0.10 is the value that we want to test

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to check if the true proportion is less than 0.10 so then the system of hypothesis are:  

Null hypothesis:p\geq 0.1  

Alternative hypothesis:p < 0.10  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info given we got:

z=\frac{0.06-0.10}{\sqrt{\frac{0.10(1-0.10)}{200}}}=-1.89  

And the p value would be given by:

p_v =P(z  

8 0
4 years ago
What is 615×351 and how do i do it
netineya [11]
You can use many methods but the way I do it is just multiply it out and you get 215,865
7 0
3 years ago
Solve the linear system of equations using addition.<br><br> -4x=y+3 <br> y=-4-3
prisoha [69]

Answer: x = 1, y = -7

Step-by-step explanation:

-4x=y+3\\y=-7

Then substitute y=-7 in -4x=y+3

-4x=-7+3\\-4x=-4\\x=1

Order: (1,-7)

7 0
4 years ago
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