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V125BC [204]
3 years ago
9

What is the change in y and the change of x if the slope is 1,8 and 2,4

Mathematics
1 answer:
lianna [129]3 years ago
3 0

Answer:

change in x is 1 and change in y is -4

Step-by-step explanation:

y2-y1 = 4-8 so -4

x2-x1= 2-1 so 1

your slope is -4 since -4/1 equals -4btw

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In a version of the game of roulette, a steel ball is rolled onto a wheel that contains 19 red, 19 black and 2 green slots. If t
trasher [3.6K]

Answer:

The probability is 0.3576

Step-by-step explanation:

The probability for the ball to fall into the green ball in one roll is 2/1919+2 = 2/40 = 1/20. The probability for the ball to roll into other color is, therefore, 19/20.

For 25 rolls, the probability for the ball to never fall into the green color is obteined by powering 19/20 25 times, hence it is 19/20^25 = 0.2773

To obtain the probability of the ball to fall once into the green color, we need to multiply 1/20 by 19/20 powered 24 times, and then multiply by 25 (this corresponds on the total possible positions for the green roll). The result is 1/20* (19/20)^24 *25 = 0.3649

The exercise is asking us the probability for the ball to fall into the green color at least twice. We can calculate it by substracting from 1 the probability of the complementary event: the event in which the ball falls only once or 0 times. That probability is obtained from summing the disjoint events: the probability for the ball falling once and the probability of the ball never falling. We alredy computed those probabilities.

As a result. The probability that the ball falls into the green slot at least twice is 1- 0.2773-0.3629 = 0.3576

5 0
3 years ago
PLEASE HELP MEEEEEE PLEASEEEEEEEE!!!!!! IM TIMED
kotykmax [81]

Answer: -23

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
(-3)-(-19) I got -22 am I right?
N76 [4]

Answer:

16

Step-by-step explanation:

the negative outside the parenthesis removes the negative that is with the 19 and it is going to be 19-3 which equal 16


4 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP I NEED HELP. <br> IT WILL BE MUCH APPRECIATED<br> find the product (x+4)(x-3)
iragen [17]

Answer:

Work shown below!

Step-by-step explanation:

(x + 4)(x - 3) = x^{2} -3x+4x-12=x^{2} +x-12

8 0
2 years ago
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What is the smallest integer greater than square root of 92?
vovikov84 [41]

sqrt(81) = 9

sqrt(100) = 100

sqrt(92) is between 9 and 10.

Answer: 10

5 0
3 years ago
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