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2 years ago

Given m||n, find the value of x. (7x-4) (3x+28)º

Mathematics

1 answer:

Furkat [3]2 years ago

4 0

Answer:

Step-by-step explanation:

7 x 8 = 56 56 - 4 = 52.

3 x 8 = 24 24 + 28 = 52

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Let X be a normal random variable with mean 40 and standard deviation 2. Find P(X < 28).

Vikki [24]

Answer:

Step-by-step explanation:

Given :

Mean = 40 ; Standard deviation = 2

P(x < 28)

Obtain the Zscore :

Z = (x - mean) / standard deviation

P(Z < (28 - 40) / 2))

Z = (28 - 40) / 2

Z = - 12 / 2

Z = - 6

P(Z < - 6) = 0.000000

5 0

2 years ago

1<br> If ZA and ZB are complementary angles and mA = 60°, then m B =?

yarga [219]

Answer:

30 degrees

Step-by-step explanation:

Because the angles are complementary, they MUST equal to 90 degrees

Because measure of Angle A = 60, then the measure of Angle B = 30, because 60 + 30 = 90 degrees

3 0

2 years ago

Which description of the graph of the linear equality y > 3x - 8 is correct?

Alexxx [7]

Answer:

Option The graph will be a dashed line with a y-intercept of negative eight and a slope of three. The graph will be shaded above

the line

Step-by-step explanation:

we have

$y>3x-8$

The solution of the inequality is the shaded area above the dashed line The equation of the dashed line is $y=3x-8$

The slope of the dashed line is positive $m=3$

The y-intercept of the dashed line is -8

see the attached figure to better understand the problem

4 0

2 years ago

Read 2 more answers

The graph of a linear function is shown on the grid.

Harlamova29_29 [7]

Answer:

Step-by-step explanation:

Rate of change = (2-3.6)/(5-(-3)) = -1.6/8 = 0.2

8 0

2 years ago

Angle Bisector Solve for Y

olganol [36]

As <ABC=40

3x-1+34-2x=40

x =40-34+1 = 7

In triangle ABD

3x-1 + 90 +3y + 6= 180

3(7) +3y +95 =180

3y= 180-95-21=64

Y =64/3

4 0

2 years ago