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Pavlova-9 [17]
3 years ago
7

Clarissa made a scale drawing of a rectangle. She used a scale factor of 3 to draw the new rectangle. How does the length of the

new rectangle compare to the original?
A.The length of the new rectangle is 1/3 the length of the original.
B.The length of the new rectangle is 1/12 the length of the original.
C.The length of the new rectangle is 3 times the length of the original.
D.The length of the new rectangle is 12 times the length of the original.
WITH EXPLANATION
Mathematics
2 answers:
larisa86 [58]3 years ago
7 0

Answer:

C. The length of the new rectangle is 3 times the length of the original.

Step-by-step explanation:

This rectangle is basically being dilated. Meaning it is being either reduced of enlarged. (In this case, enlarged) Since the scale factor is 3, you would multiply the length by 3 and that would be your new length.

zvonat [6]3 years ago
6 0

Answer:

The answer is c

Step-by-step explanation:

I did it on edge

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solong [7]

system of equations means that we have a given number of equations with the same solutions.

If you only have tables, this means that you need to have one table for each equation:

For example, if you are working only with two variables, x and y, in those tables you can see the pints (x, y) that belong to each equation.

Now, a point (x, y) will be a solution of the system of equations only if it belongs to the data table for each equation

This would mean that if you graph those data sets, the graphs will intersect at the point (x, y) that belongs to all the tables of data.

another way may be using the data in the tables to construct the equations, but you said that you only want to use the tables, so this method can be discarded.

7 0
3 years ago
Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed w
cupoosta [38]

Answer:

The cutoff sales level is 10.7436 millions of dollars

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 = 12, \sigma = 1.2

15th percentile:

X when Z has a pvalue of 0.15. So X when Z = -1.047.

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

-1.047 = \frac{X - 12}{1.2}

X - 12 = -1.047*1.2

X = 10.7436

The cutoff sales level is 10.7436 millions of dollars

6 0
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It's division.
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Answer:


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Step-by-step explanation:

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