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inysia [295]
3 years ago
6

Help please I rlly need help

Mathematics
2 answers:
mestny [16]3 years ago
5 0

Answer:

its c

Step-by-step explanation:

Oxana [17]3 years ago
3 0

Answer:

it's c

Step-by-step explanation:

its c I did the math

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The ages of the employees at Solar Systems, Inc. is normally distributed with a mean of 32.7 years and a standard deviation of 1
svetoff [14.1K]

Answer:

6.7%  of employees at Solar Systems, Inc. are younger than 30 years old

Step-by-step explanation:

The mean of  ages of the employees at Solar Systems is 32.7 years

Mean = \mu = 32.7

Standard deviation =\sigma = 1.8 years

We are supposed to find What percentage of employees at Solar Systems, Inc. are younger than 30 years old i.e.P(x<30)

So,Z=\frac{x-\mu}{\sigma}

Z=\frac{30-32.7}{1.8}

Z=-1.5

Refer the z table for p value

So,p value = 0.0668

So P(x<30)=0.0668= 6.68% = 6.7%

So, 6.7%  of employees at Solar Systems, Inc. are younger than 30 years old

7 0
3 years ago
Find the area of the triangle
Ray Of Light [21]
For this questions you need to memorize formula of triangle area. for question 5, just substitute the value into the formula. for Q6 you need to use pythagorean theorem formula to find the lenght of each triangle that i already seperated

4 0
3 years ago
What's the ordered pair ?
nekit [7.7K]
The answer will be the set of points that contains a different x value for each point.

We clearly see that for ever point in terms of CHOICE C the value of x is different.

Answer: Choice C
5 0
3 years ago
Line p has a slope of -3. Line t is perpendicular to line p and passes through the point (9,2). What is the equation for line t?
olganol [36]

Answer:

y = (1/3)x - 1

Step-by-step explanation:

The product of the slopes of perpendicular lines is -1. That makes the slopes of perpendicular lines negative reciprocals. Since line p has slope -3, the slope of line t is 1/3. Also, line t passes through point (9, 2).

y = mx + b

m = slope

y = (1/3)x + b

Now we replace x and y with the x- and y-coordinates of the given point, respectively, and we solve for b.

2 = (1/3)(9) + b

2 = 3 + b

b = -1

Now we replace b with -1.

y = (1/3)x - 1

8 0
3 years ago
Solve by elimination <br><br>-8x+8y=19<br><br>-4x+4y=8
Harrizon [31]

Answer: the first one :x=y+ −19 /8

the second one:  x=y−2

Step-by-step explanation:

6 0
3 years ago
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