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gregori [183]
3 years ago
8

There are 450 students at a school. If each classroom holds 30 students , how many classrooms are needed at school?

Mathematics
1 answer:
Sati [7]3 years ago
3 0

Answer:

15 classrooms

Step-by-step explanation:

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What is the absolute value of a number?
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Answer:

It is the distance from the zero on a number line. Also, it is never negative.

Step-by-step explanation:

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2 years ago
Researchers gave 40 index cards to a waitress at an Italian restaurant in New Jersey. Before delivering the bill to each custome
rjkz [21]

The test statistic and p-value of the given data are 6.274 and 0.0001 respectively.

<h3>Test Statistic</h3>

The test statistic can be calculated using the formula below

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

Solving for the mean and standard deviation, we can substitute the values into the above equation which will be

t = \frac{x-\mu}{\sigma / \sqrt{n} } = 6.274

<h3>P-Value</h3>

Using the data from the test statistic, we can calculate the p-value of the data

p-value = p(z < 6.274)= 0.0001 = 0.00

From the calculation above, the test statistic and p-value of the given data are

  • 6.274
  • 0.0001

Learn more on test statistic and p-value here;

brainly.com/question/4621112

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2 years ago
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8 0
3 years ago
Given the side lengths, determine whether the triangle is acute, obtuse, right, or not a triangle: 8,15,23
Hunter-Best [27]

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6 0
3 years ago
Read 2 more answers
You don’t know how important this is Please help me!!
Natali5045456 [20]

Answer:

f(x)=\frac{7}{5}x-\frac{6}{5}

Step-by-step explanation:

First put 7x-5y=6 into slope intercept form

y=\frac{7}{5}x-\frac{6}{5}

Then put it into f(x) form

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