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ella [17]
2 years ago
11

Please help me, this is for my math test.

Mathematics
2 answers:
satela [25.4K]2 years ago
7 0

Answer:

c.....division \: property

deff fn [24]2 years ago
7 0

Answer:

Addition Property of Equality

Since both sides added 23

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Help is much needed!!!
icang [17]
Y - y1 = m (x + x1)

Solve for m by subtracting the y's and dividing them by the difference of the 2 x's.

-32 - 1 = -33
-8 - 3 = -11

Divide the two to get 3.

Use the first point (as instructed) and plug it into the equation.

y - (-32) = 3 (x - (-8))

y + [32] = [3] (x + [5])

The brackets are the fill in the blanks.
5 0
3 years ago
For the 405 highway that car pass through a checkpoint, assume the speeds are normally distributed such that μ= 61 miles per hou
Strike441 [17]

Answer:

Z = 1

Step-by-step explanation:

Z - score

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 = 61, \sigma = 4

Calculate the Z value for the next car that passes through the checkpoint will be traveling slower than 65 miles per hour.

This is Z when X = 65. So

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

Z = \frac{65 - 61}{4}

Z = 1

4 0
3 years ago
What is the probability that a randomly selected makeup item from her bag will be an eyeshadow, if she has 15 cosmetics and only
Lelu [443]
The answer is 5/15 which is simplified to 1/3
8 0
3 years ago
how to find domain and range in a graph and will give the bainliest to whoever explains to me on how to do it.
AveGali [126]
To find the domain of a graph observe the intervals of x that the line touches, and make an inequality of it. Same for the range but it's for the intervals of y. If the graph goes forever, then include "infinity" on the inequality
7 0
3 years ago
Always sometimes never: one angle in a triangle is more than 90°
Afina-wow [57]

Answer: sometimes

Step-by-step explanation:

3 0
3 years ago
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