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2 years ago

If 590 stufents preferred either pepperoni or cheese, how many students were surveyed in all?i

Mathematics

1 answer:

tatyana61 [14]2 years ago

3 0

Answer:

if the only choices were pepperoni and cheese then 590 students were surveyed. I think there may be more to the question that you left out by accident

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What is the midpoint of (-7,-9) (6,3)

Advocard [28]

Answer :

Let the first term of both the terms be $\: \sf \: x _1 \: \: \& \: \: x _2$ and last term be $\: \sf \: y _1 \: \: \& \: \: y_2\\$

Now, by using the mid point formula to find the mid point of the segment -

$\\ \sf \bigg( \frac{x_1 + x_2}{2} , \: \frac{y_1 + y_2}{2} \bigg) \\$

Now, by substituting the values of both x and y -

$\\ \sf \bigg( \frac{ - 7 + 6}{2} , \: \frac{ - 9 + 3}{2} \bigg) \\$

Adding -7 and 6 -

$\\ \sf \bigg( \frac{ - 1}{2} , \frac{ - 9 + 3}{2} \bigg) \\$

Now, move the negative in front of the fraction -

$\\ \sf \bigg( \frac{ - 1}{2} , \frac{ - 6}{2} \bigg) \\ \\ \\ \sf \bigg( \frac{ - 1}{2} , - 3\bigg) \\$

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2 years ago

a 90% confidence interva is constructed for the population mean. If a 95% confidence interval had been constructed instead (ever

zhuklara [117]

Answer: increased

Step-by-step explanation:

An x% confidence interval indicates that a person can be x% confident that true population parameter lies in it.

More level of confidence more width of the interval.

As level of Confidence interval increases width of interval increases.

Width of interval $\propto$ level of Confidence interval

So, If a 95% confidence interval had been constructed instead of 90% the width of the interval would have been<u> increased.</u>

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2 years ago

Draw a model to subtract 2 2/5 -1 8/10

Igoryamba

See picture for reply and solution steps.

6 0

3 years ago

Which expression represents four less than half a number, n? (show your work)

ikadub [295]

The answer is 1/2n-4

Multiplying a number n by 1/2 is the same as dividing that number by 2.

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2 years ago

Read 2 more answers

A square has an area of 289 sq cm. what is the length of one side

Elodia [21]

289 square root = 17
17*17=289
Say 17 was length and 17 was width. L*w=289
Also, all sides of the square are the same.

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2 years ago