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Olenka [21]
2 years ago
5

Simplify the expression. 14.5 – 3(-7.9+ 4.4 - 2.9) = 14.5 – 3

Mathematics
1 answer:
almond37 [142]2 years ago
8 0

sus susussusususususususus

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6.1.3
Nata [24]

Answer:

The requirements that are necessary for a normal probability distribution to be a standard normal probability distribution are <em>µ</em> = 0 and <em>σ</em> = 1.

Step-by-step explanation:

A normal-distribution is an accurate symmetric-distribution of experimental data-values.  

If we create a histogram on data-values that are normally distributed, the figure of columns form a symmetrical bell shape.  

If X \sim N (µ, σ²), then Z=\frac{X-\mu}{\sigma}, is a standard normal variate with mean, E (Z) = 0 and Var (Z) = 1. That is, Z \sim N (0, 1).

The distribution of these z-variates is known as the standard normal distribution.

Thus, the requirements that are necessary for a normal probability distribution to be a standard normal probability distribution are <em>µ</em> = 0 and <em>σ</em> = 1.

8 0
3 years ago
If h(x) = 2x and g(x) = 3x2 + 1, what is h(g(x))?
Lady_Fox [76]

Answer:

h(g(x))=h(3x^2+1)=2(3x^2+1)=6x^2+2

8 0
3 years ago
If Jeff hikes 1/2 a distance in 1/4 an hour how fast can he walk in 1/2 an hour?<br>​
lakkis [162]

Answer:

2/4? i think....

idrk sry :(

Step-by-step explanation:

3 0
2 years ago
the angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles
kvv77 [185]

Answer:

x =17.6

The three angles are

6x =  105.6

x-3  =14.6

3x+7 = 59.8

Step-by-step explanation:

The three angles of a triangle add to 180 degrees

6x + x-3 + 3x+7 = 180

Combine like terms

10x +4 = 180

Subtract 4 from each side

10x+4-4= 180-4

10x = 176

Divide each side by 10

10x/10 =176/10

x =17.6

The three angles are

6x = 6*17.6= 105.6

x-3 = 17.6-3 =14.6

and 3x+7 = 3(17.6)+7 =52.8+7 = 59.8

8 0
3 years ago
Three circles can intersect in?
abruzzese [7]

9514 1404 393

Answer:

  (a) two points

Step-by-step explanation:

The curve of a circle can only intersect another circle at a point or in an arc. The intersection will only be an arc if the circles have the same center and radius (are the same circle).

Different circles can only intersect each other at one or two points. Three different circles can intersect in one or two points. The 2-point case is shown in the attachment.

8 0
2 years ago
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