3 years ago

What is $65.04 times 12 ?

Mathematics

1 answer:

Flura [38]3 years ago

4 0

$780.48 is the answer

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What fraction breaks 35 into 5 equal parts?

Anuta_ua [19.1K]

Answer:

35/7 = 5

Step-by-step explanation:

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2 years ago

Sam is building a model if an antique car the scale of his model to the actual car is 1:10 his model is 18 1/2 how long is the a

ankoles [38]

The scale is 1:10, every inch of model represents 10 inches of actual car, so the actual car is (10)(18.5 inches)=185 inches

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3 years ago

A market research analyst claims that 32% of the people who visit the mall actually make a purchase. You think that less than 32

Rainbow [258]

Answer:

E. -1.48

Step-by-step explanation:

The test statistic is:

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

In which X is the sample mean, $\mu$ is the expected value, $\sigma$ is the standard deviation and n is the size of the sample.

A market research analyst claims that 32% of the people who visit the mall actually make a purchase.

This means that:

$\mu = 0.32$

$\sigma = \sqrt{0.32*0.68} = 0.4665$

You stand by the exit door of the mall starting at noon and ask 82 people as they are leaving whether they bought anything. You find that only 20 people made a purchase.

This means that $n = 82, X = \frac{20}{82} = 0.2439$

The value of the test statistic is about:

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

$t = \frac{0.2439 - 0.32}{\frac{0.4665}{\sqrt{82}}}$

$t = -1.48$

So the correct answer is given by option E.

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3 years ago

HELP HELP HELP HELP HELP HELP HELP HELP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mice21 [21]

Answer:

Heyyyyy, use https://www.bartleby.com/ it has helped me out a lot . Its actual tutors/teachers who answer your questions in about 30 minutes !!!!!!!!

Step-by-step explanation:

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2 years ago

Answer for points

givi [52]

B=area of the base and 12cm
H=height and 9cm
Volume= 216cm

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2 years ago

Read 2 more answers