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Anastasy [175]
2 years ago
12

Which expression is equivalent to 5.9−3.8 ?

Mathematics
1 answer:
Alex787 [66]2 years ago
3 0

-3.8 + 5.9. hope that helps lolza


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Furkat [3]

Answer:

i think c. because it will affect your rights as a citizen for those "taxes"  Not checks and balances because it won't affect that because you will still get your checks for work and stuff. Know what i mean?

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Please answer this correctly
Klio2033 [76]

Answer:

x =1

Step-by-step explanation:

Assuming the figures are similar, we can use ratios to solve

x        2

---- = -----

4         8

Using cross products

8x = 2*4

8x = 8

Divide by 8

8x/8 = 8/8

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During a food drive, a local middle school collected 8,982 canned food items. Each of the 28 classrooms that participated in the
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Each classroom donated around 320 cans(or more) of food.

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3 years ago
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Mr. Ramsey's science students are going on a field trip. He teaches 116 students. They will be nding in vans that seal 18 studen
Vladimir79 [104]

Answer:

6 vans

Step-by-step explanation:

If 1 van can seal 18 students...

116 ÷ 18 = 6.4

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8 0
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A worn, poorly set-up machine is observed to produce components whose length X follows a normal distribution with mean 14 centim
Akimi4 [234]

Answer:

74.86% probability that a component is at least 12 centimeters long.

Step-by-step explanation:

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

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 14

Variance is 9.

The standard deviation is the square root of the variance.

So

\sigma = \sqrt{9} = 3

Calculate the probability that a component is at least 12 centimeters long.

This is 1 subtracted by the pvalue of Z when X = 12. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{12 - 14}{3}

Z = -0.67

Z = -0.67 has a pvalue of 0.2514.

1-0.2514 = 0.7486

74.86% probability that a component is at least 12 centimeters long.

6 0
3 years ago
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