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Likurg_2 [28]
2 years ago
13

The probability distribution for a random variable x is given in the table. -5 -3 -2 0 2 3 Probability .17 .13 33 16 11 10 Find

the probability that x < 0​

Mathematics
1 answer:
IgorLugansk [536]2 years ago
5 0

Answer:

0.79

Step-by-step explanation:

add up the probability that is less than or equal to  0, which is 0.17+0.13+0.33+0.16 = 0.79

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If x<br>varies directly as y.<br>x=5 and y=10. find the<br>Value of a x when y=<br>3​
Serggg [28]

Answer:

x = 1.5 when y = 3

Step-by-step explanation:

You can put this in a ratio:

x    :    y

5    :   10

1.5  :    3

x is 1.5 when y is 3.

4 0
3 years ago
Coretta wants to create a system of equations so that the system has only one solution. Which of these can Coretta do? Check all
m_a_m_a [10]
3 and 5 are the correct choices. as long as the 2 lines have different slopes they intersect at only one point
3 0
3 years ago
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Question #7: Which revolution resulted from the division of society shown in this diagram?
umka21 [38]

Answer: French (1789)

Step-by-step explanation:

5 0
3 years ago
Find the measure of the indicated angle. Need help please.<br> I need explanation
Zolol [24]

Answer:

BC =21.03540021

Step-by-step explanation:

We know the measure of angle B since the sum of the angles of a triangle add to 180

A + B+ C = 180

61+ B + 12 =180

B = 180 - 12 -61

B =107

Then we can use the law of sines to find BC

sin B           sin A

-------- = -------------

AC                BC

sin 107       sin 61

-------- = -------------

23                BC

Using cross products

BC  sin 107 = 23 sin 61

BC = 23 sin 61/ sin 107

BC =21.03540021

6 0
2 years ago
Read 2 more answers
A vertical radio tower is 645 feet high above level ground. How far would you need to be from the base of the tower so that the
WITCHER [35]

Answer:

921.165 feet

Step-by-step explanation:

Ok we are looking for the length of the base.

Now let's take the question and picture it as a triangle, we will find out that it looks like a right angle triangle.

The height= 645 feet

Angle of elevation= 35°

Base is unknown

To find the base

We recall that tan of angle

= opposite/adjacent

In this case

Angle= 35°

Opposite= height= 645

Adjacent= base

Tan 35 = 645/adj

Adj =645/tan 35

Adj =645/0.7002

Adj = 921.165

The base is 921.165 feet

8 0
3 years ago
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