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4 years ago

If I missied 4 questions on a 14 problem math paper, what grade would I get?

Mathematics

2 answers:

Marizza181 [45]4 years ago

6 0

if you do 14-4 which is equal to 10

Zina [86]4 years ago

5 0

Missing 4 of 14 problems implies getting 10 problems right.

The appropriate grade would thus be 10/14, or approx. 71.

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If x = −3, which number line shows the value of |x|?

Juli2301 [7.4K]

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3 years ago

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What is the scientific notation of 29678900522

tatuchka [14]

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3 years ago

What is the sum of the amount of pizzas eaten<br>by classes who ate exactly 7⅝

pogonyaev

Answer:

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Step-by-step explanation:

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3 years ago

Mortgage rates: Following are interest rates (annual percentage rates) for a 30-year fixed rate mortgage from a sample of lender

andreev551 [17]

Answer:

98% Confidence interval: (4.144 ,4.498)

Step-by-step explanation:

We are given the following in the question:

4.751, 4.373, 4.177, 4.676, 4.425, 4.228, 4.125, 4.251, 3.951, 4.192, 4.291, 4.414

Formula:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

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$Mean =\displaystyle\frac{51.854}{12} = 4.321$

Sum of squares of differences = 0.5602

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98% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 11 and}~\alpha_{0.02} = \pm 2.718$

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4 years ago

Read 2 more answers

Mrs.Roberts drives 3/4 miles in 1/2 minute. How many miles can she drive in 1 minute?

mojhsa [17]

Answer:

1 1/2 OR 1.5 in decimal form

Step-by-step explanation:

If Mrs. Roberts drives 3/4 miles in half a minute, 1/2 x what = 1? 2. Multiply both items by 2. 3/4 x 2 = 6/4, also known as 1 1/2 or 1.5 Hope this helped!!

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2 years ago