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mash [69]
3 years ago
11

The graph below shows two normal distributions. 2 normal distributions are shown. One peaks at 30 and the other peaks at 45. Wha

t is the difference of the means of the distributions? 15 30 45 60
Mathematics
2 answers:
Burka [1]3 years ago
8 0

Answer:

15

Step-by-step explanation:

did the test

ziro4ka [17]3 years ago
7 0

Answer:

The answer is 15

Step-by-step explanation:

I just finished the test.

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-2x + 10 +4x=70 (what is X?)
Dovator [93]

Answer:

x = 30

Step-by-step explanation:

-2x + 10 +4x=70

      -10          -10

-2x + 4x = 60

2x = 60

/2      /2

x = 30

8 0
4 years ago
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I need know what is x .
irina [24]

Answer:

x is 4

Step-by-step explanation:

21x+6 = 90

21x=84

x=4

3 0
3 years ago
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A line includes the points (8,5) and (9, – 5). What is its equation in point-slope form?
zmey [24]

Answer:

Step-by-step explanation:

slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

         =\frac{-5-5}{9-8}\\\\=\frac{-10}{1}\\\\=-10\\

Point-slope form:

y - y1 = m(x - x1)

y - 5 = -10(x - 8)

4 0
3 years ago
Simple geometry please help<br><br> Find KL. Round to the nearest hundredth.
vivado [14]

Answer:

KL ≈ 1.94

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos48° = \frac{adjacent}{hypotenuse} = \frac{JL}{KL} = \frac{1.3}{KL} ( multiply both sides by KL )

KL × cos48° = 1.3 ( divide both sides by cos48° )

KL = \frac{1.3}{cos48} ≈ 1.94 ( to the nearest hundredth )

6 0
3 years ago
How do you solve 1\5 b = 2​
Georgia [21]

Answer:

b = 10

Step-by-step explanation:

You can solve for b by dividing both sides by 1/5 because it will remove the 1/5 from the left side of the equation, but what you do to one side you must do to the other side as well.

(1/5b)/ (1/5) = 2/ (1/5)

b = 10

7 0
4 years ago
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