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3 years ago

Plz help with questions 5,6,7 I thank u ❤️

Mathematics

1 answer:

Inga [223]3 years ago

4 0

I remember doing this in 5th grade, maybe 6th.

5. The integer in the problem is 60; 0 represents no money withdrawn.
6. 12 represents the integer; 0 represents no points gained.
7. 25 represents the integer; 0 represents no change in altitude.

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Find the cost of this trip: Find the airfare for flying round trip from Denver to Detroit if a one-way ticket is $235.00, there

Rzqust [24]

5% of 235 is: 235*(5/100)= 235/20 = 11,75 or 5% of 470 is: 470/20 = 23,5

Total cost = 2*(235 + 11,75) = 2*246,75 = 493,5 or Total cost = 470 + 23,5 = 493,5

6 0

3 years ago

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I need help : (((((((

Allisa [31]

the answer is x=-1/3

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2 years ago

Suppose a random sample of 50 college students are asked to measure the length of their right foot in centimeters. A 95% confide

hichkok12 [17]

Answer:

A 99% confidence interval will be wider than a 95% confidence interval

Step-by-step explanation:

From the question we are told that

The 95% confidence interval for for the mean foot length for students at the college is found to be 21.709 to 25.091 cm

Generally the width of a confidence interval is dependent on the margin of error.

Generally the margin of error is mathematically represented as

$E = Z_{\frac{\alpha }{2} } * \sqrt{\frac{\^ p (1- \^ p)}{n} }$

From the above equation we see that

$E \ \ \alpha \ \ Z_{\frac{\alpha }{2} }$

Here $Z_{\frac{\alpha }{2} }$ is the critical value of the half of the level of significance and this value increase as the confidence level increase

Now if a 99% confidence level is used , it then means that the value of

$Z_{\frac{\alpha }{2} }$ will increase, this in turn will increase the margin of error and in turn this will increase the width of the confidence interval

Hence a 99% confidence interval will be wider than a 95% confidence interval

5 0

3 years ago

Which expression is equivalent to the given expression 10q + 5

Mice21 [21]

<span>10q + 5 = 5q + 5q + 5

so
answer is
</span><span>
A. 5q+5q+5</span>

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3 years ago

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75km/h compute in m/s

Vlad1618 [11]

75 * 1000/3600 = 20.8333333

You just need to multiply with 1000 to get m from km and divide by 3600 because you are converting hours in seconds.

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3 years ago