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Nataliya [291]
3 years ago
8

I cannot understand this help me and I do not know what a scale factor is

Mathematics
2 answers:
kipiarov [429]3 years ago
5 0

Answer:

The scale factor is the ratio of the length of a side of one figure to the length of the corresponding side of the other figure. Example: Here, XYUV=123=4 . So, the scale factor is 4

Step-by-step explanation:

Olegator [25]3 years ago
4 0

Answer:

the scale factor <u><em>would be 4</em></u>

Step-by-step explanation:

also  

A scale factor is a number which scales, or multiplies, some quantity. In the equation y = Cx, C is the scale factor for x. C is also the coefficient of x, and may be called the constant of proportionality of y to x. For example, doubling distances corresponds to a scale factor of two for distance, while cutting a cake in half results in pieces with a scale factor for volume of one half. The basic equation for it is image over preimage.

branliest please also be sure to comment and i'll help with everything again <u><em>the scale factor of the attachment given is 4</em></u>

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Weights were recorded for all nurses at a particular hospital, the mean weight for an individual nurse was 135 lbs. with a stand
Aloiza [94]
Given:
population mean, &mu; =135
population standard deviation, &sigma; = 15
sample size, n = 19

Assume a large population, say > 100,
we can reasonably assume a normal distribution, and a relatively small sample.
The use of the generally simpler formula is justified.

Estimate of sample mean
\bar{x}=\mu=135

Estimate of sample standard deviation
\s=\sqrt{\frac{\sigma^2}{n}}
=\sqrt{\frac{15^2}{19}}=3.44124  to 5 decimal places.

Thus, using the normal probability table,
P(125
=P(\frac{125-135}{3.44124}
=P(-2.90593
=P(Z
=P(Z

Therefore 
The probability that the mean weight is between 125 and 130 lbs 
P(125<X<130)=0.0731166-0.0018308
=0.0712858



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2 years ago
I need help ASAP. What are vertices? What makes a polygon irregular? I'm so confused! How on earth do I solve these?
baherus [9]
1b.regular polygon
2b.regular octagon

& in the bottom is ....
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Read 2 more answers
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