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3 years ago

Helphelphelp please!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Allushta [10]3 years ago

7 0

Answer:

cheryl

Step-by-step explanation:

mixas84 [53]3 years ago

4 0

Answer:

PRT B: Cheryl owes the bank more because the absolute value of -3.00 is 3.00, and the absolute value of -2.75 is 2.75 and 3 is greater than 2.75

Step-by-step explanation:

Dont know how i do part A

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The following data represent weights (pounds) of a random sample of professional football players on the following teams. X1 = w

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Eric scored 95% on his math test. He got 19 problems correct. How many questions were on the test?

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3 years ago

An automobile manufacturer has given its van a 47.2 miles/gallon (MPG) rating. An independent testing firm has been contracted t

7nadin3 [17]

Answer:

The test statistics is $t = -1.7$

The Null and Alternative hypothesis are

$H_o : \mu = 47.2$ and $H_a : \mu \ne 47.2$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 47.2 miles/gallon(MPG)$

The sample size is $n = 250 \ van$

The sample mean is $\= x = 47.0$

The sample standard deviation is $\sigma = 1.9$

The level of significance is $\alpha = 0.02$

Given that the value which the manufacturer gave the automobile is 47.2 and it is believed that this is not correct, then

The Null Hypothesis is

$H_o : \mu = 47.2$

The alternative Hypothesis is

$H_a : \mu \ne 47.2$

The test statistics can be mathematically evaluated as

$t = \frac{\= x- \mu}{\frac{\sigma }{\sqrt{n} } }$

substituting values

$t = \frac{\= 47- 47.2}{\frac{1.9 }{\sqrt{250} } }$

$t = -1.7$

7 0

3 years ago

CAN I GET SOMEONES HELP ASAP!!

PIT_PIT [208]

The answer would be <QRZ

Since you are looking for an angle congruent to <UQR using the alternate interior angles theorem, interior suggests that the angle must be inside the parallel lines, se we can get rid of options <WRT and <TRZ since they are exterior angles

Furthermore, in the alternate interior angles theorem, the two angles must be alternate or opposite of each other which would show that the only possible answer would be <QRZ

hope this helped!

7 0

3 years ago

Anyone know how to solve this?

Elina [12.6K]

35% of 80 is 28.

80 x 0.35 = 28

I hope this helps.

6 0

3 years ago