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otez555 [7]
2 years ago
15

Caroline think of a number add 9 then divide by 6 gets the answer 10

Mathematics
1 answer:
grandymaker [24]2 years ago
8 0

Answer:

The number is 51

Step-by-step explanation: 51+9 = 60

60/6 = 10

Hope it help you :))))

Have a good day

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Debbie found a suitcase that was originally 129 but now is on sale for 30% off. If sales tax is 8.75%, what is her final cost?
Marizza181 [45]

Step-by-step explanation:

To find the answer we first multiply 129 by 0.7 since the price descresed 30 percent. each percent is equal to 0.01.

129 * 0.7 = 90.3

Then we multiply 90.3 by 1.0875 since that is the sales tax

90.3 * 1.0875 = 98.2

so the cost is 98.2

6 0
2 years ago
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Zanzabum
Since it is a 45-45-90 right triangle, the formula is:
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7 0
3 years ago
A company is developing a new high-performance wax for cross country ski racing. In order to justify the price marketing wants,
andrew11 [14]

Answer:

A)Yes they should market the wax, because it melts before 55 seconds

C) Null hypothesis: mean <55 vs. Alternative hypothesis :mean =55

D) the value is 51.33 seconds

Step-by-step explanation:

The selected samples for the champion are : 57.9, 62.9, 50.6, 50.5,48.2,47.2,50.2 and 43.1

The mean is ;

Sum =57.9 + 62.9 + 50.6 + 50.5+48.2+47.2+50.2+ 43.1 =410.6

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Assuming Significant =0.05 thus applying this level will give you 51.28-51.38

if specifically, the mean time to finish their standard test course should be less than 55 seconds for a former Olympic champion, then the null hypothesis is correct

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Null hypothesis: mean <55

Alternative hypothesis :mean =55

7 0
3 years ago
Please show work
cluponka [151]

Answer:

34.2 m

Step-by-step explanation:

We know that

Area of parallelogram = Base × Height

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690.84/20.2 = B

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Hence,

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