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malfutka [58]
3 years ago
5

Solve for m . − 5 m = − 35 m =

Mathematics
2 answers:
Jlenok [28]3 years ago
4 0

Answer:

The answer is 7. I did the lesson and 7 was the correct answer

Step-by-step explanation:

dolphi86 [110]3 years ago
3 0

Answer: 7

Step-by-step explanation: -35 / -5 = 7

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Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviatio
Bond [772]

Answer:

The percentage of students who scored below 620 is 93.32%.

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 question, we have that:

\mu = 500, \sigma = 80

Percentage of students who scored below 620:

This is the pvalue of Z when X = 620. So

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

Z = \frac{620 - 500}{80}

Z = 1.5

Z = 1.5 has a pvalue of 0.9332

The percentage of students who scored below 620 is 93.32%.

3 0
3 years ago
Read 2 more answers
Factoring expressions 9+36w
alexdok [17]

Answer:

9( 1 + 4w)

Step-by-step explanation:

So if you're simplifying then you need to find the greatest common factor. The GCF is 9.

8 0
3 years ago
Which is an x-intercept of the continuous function in the table?(0, –6)(3, 0)(–6, 0)(0, 3)
Neporo4naja [7]

Answer:

B. (3,0)

Step-by-step explanation:

The x-intercept is the point where the graph of the function meets the x-axis.

At x-intercept, <u>y = 0 or f(x) = 0</u>

So look through the table and find where <u>f(x) = 0.</u>

From the table, <u>f(x) = 0 at x = 3.</u>

We write this as an ordered pair.

Therefore the x-intercept is <u>(3,0)</u>

The correct choice is <u>B</u>.

6 0
2 years ago
How do I explain the steps to the question involving the pie?
jok3333 [9.3K]

Answer:

Area = pi x radius squared

the radius is 2.39 so that's squared  that is 5.7121pi

Step-by-step explanation:

4 0
3 years ago
What is the area of a rectangle with length 12 meters and width 6 meters?
algol [13]

Answer:

72

Step-by-step explanation:

12 x 6 = 72

Area of rectangle is length x width

7 0
3 years ago
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