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Elodia [21]
3 years ago
6

Use the orders of operations to simplify 10(3.25 - 1.25) + 3/4

Mathematics
2 answers:
klasskru [66]3 years ago
7 0

Answer:

Answer is D

Step-by-step explanation:

dybincka [34]3 years ago
4 0

Answer:

20 3/4

Step-by-step explanation:

10(3.25 - 1.25) + 3/4

PEMDAS says parentheses first, subtract inside the parentheses

10(2) + 3/4

Then multiply

20 + 3/4

Add 20 + 3/4

20 3/4

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Answer:

I believe 4, but I might be wrong.

Step-by-step explanation:

If you look, it's going down -4 every time. So that means if you're going up, it's going +4 after you skip a space. So, skip, then 0, then skip, and that's 4.

4 0
3 years ago
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4 cats each ate 1/4 cup of canned food and 1/4 cup of dry food. how much food did they eat altogether
VashaNatasha [74]

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Step-by-step explanation:

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3 years ago
the average starting salary for this year's graduates at a large university (lu) is $55,000 with a standard deviation of $6,000.
alexira [117]

0.84% of the graduates will receive the tax break

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean  and standard deviation , the z-score of a measure X is given by:

Z = x - μ / σ

Z-scores are used to measure how far a measure is from the mean. We find the p-value associated with this Z-score by looking at the z-score table after finding the Z-score. The p-value represents the probability that the measure is smaller than X, which is the percentile of X. The probability of the measure being greater than X is calculated by subtracting 1 from the pvalue.

μ = $55,000 σ = $6,000

This is the pvalue of Z when X = $39,600. So

z = 39600 - 55000 / 6000

z = -2.5

z = -2.5 has a o value of 0.0084

0.84% of the graduates will receive the tax break.

To learn more about similar tax break:

brainly.com/question/15563518

#SPJ4

7 0
1 year ago
How would the graph of the function y=x^2-3 be affected if the function were changed to y=x^2+2?
Norma-Jean [14]

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Step-by-step explanation:

3 0
3 years ago
What is the answer to 4(x-2+y) for an equivalent expression?
madreJ [45]

Answer:

4x+4y-8

hope this helps

3 0
3 years ago
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