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Umnica [9.8K]
3 years ago
5

I’ll mark you brainlist show work

Mathematics
1 answer:
masya89 [10]3 years ago
3 0

Answer:

whats a slope?

Step-by-step explanation:

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Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per mi
irakobra [83]

Answer:

a) Mean=0 and Standard deviation=1

b) The z-scores have no units of measurement

Step-by-step explanation:

When we convert all the pulse rates of women to z-scores using the formula;

z=\frac{x-\mu}{\sigma} the mean is 0 and the standard deviation is 1.

The reason is that, the resulting distribution of z-scores forms a normal distribution which has a mean of 0 and a standard deviation of 1.

b) The z-scores are standardize scores and has no units of measurement. They give us how many standard deviations below or above the mean of the corresponding values.

8 0
4 years ago
POPICS! 1-22C Is the weight of a system an extensive or intensive property?
svet-max [94.6K]

Answer:

Extensive property

Step-by-step explanation:

The intensive properties does not depend on the amount of mass of the system or the size of the system, for example the density \rho is a quantity that is already defined for the system, because the density of water is equal for a drop or for a pool of water.

In the case of extensive properties the value of them is proportional to the size or mass of the system. For example mass is an extensive property because depend on the amount of substance. Other example could be the enegy.

In the case of weigth is a quantity that depends on mass value, then weigth is an extensive property.

4 0
3 years ago
What is the slope of the line shown in the graph? <br> A.-3/2<br> B.-1/2<br> C.3/2
Varvara68 [4.7K]
I think answer is A
Because slope=rise/run
Rise is 3
Run is 2
But it will be negative because of the direction of slope
6 0
4 years ago
Help me ASAP<br>factorise; a=b-bx<br>10 points to whoever answers this​
Serhud [2]

Answer:

a=-b(x-1)

Step-by-step explanation:

Is it factored, but that question doesn't have too much helpful in it

6 0
3 years ago
Read 2 more answers
Chico walks 3/5 mile to the library Nikki walks 1/4 the distance that Chico walks the library how far is Nikki walk?
vladimir2022 [97]
She walk 100 mile at her home
5 0
4 years ago
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