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mylen [45]
2 years ago
9

Write an equation for the line that passes through the given point 1. (4,-1), (0.5)

Mathematics
1 answer:
mixas84 [53]2 years ago
4 0
Equation - F(x)= -x+5
Use the formula
y2-y1 5-1 4
--------- --------- ------ M = -1
X2-x1 0-4 -4


than Calculate the y-axis intercept(B) by using f(x)=mx+b
Insert -1 for m, 4 for x and 1 for f(x).

1=-1*4+1*b | Swap both sides of the equation.
1*b+-4=1 | +4
1*b=5

So, the y-axis intercept is at 5
Therefore, the equation of the function is f(x)=-x+5
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The probability that event A occurs is 0.4, and the probability that events A and B both occur is 0.25. If the probability that
ICE Princess25 [194]

Answer:

The probability that event B will occur is 0.45

Step-by-step explanation:

Given;

probability that event A occurs, P(A) = 0.4

the probability that events A and B both occur, P(A ∩ B) = 0.25

the probability that either event A or event B occurs, P(A ∪ B) = 0.6

To determine the probability that event B will occur, we use probability addition rule;

P(A) + P(B) = P(A ∩ B) + P(A ∪ B)

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P(B) = 0.45

Therefore, the probability that event B will occur is 0.45

4 0
2 years ago
The cost to rent a jet ski is $80 per hour. in addition there also includes fee for a lesson on how to use the jet ski. Steve re
melomori [17]

Answer:

y=80x+25

Step-by-step explanation:

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x ----> the number of hours

y ---> the total cost of renting a jet ski in dollars

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or unit rate of the linear equation

b is the y-intercept or initial value

In this problem we have

The slope is equal to

m=\$80\ per\ hour

we have the ordered pair (3,265)

substitute in the linear equation

265=80(3)+b

solve for b

265=240+b

b=265-240

b=\$25 ----> fee for a lesson on how to use the jet ski

substitute

y=80x+25

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Answer:

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Step-by-step explanation:

Hope this helps you

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