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Art [367]
3 years ago
9

Solve the system of equations by graphing on your own paper. What is the x-coordinate of the solution?

Mathematics
1 answer:
makkiz [27]3 years ago
7 0
X = -7     y=-7 + 7
x = -5 1/2    y=-2(-5 1/2) - 11
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The ratio of boys to girls in a group is 5:1. If there are 60 more boys than girls, work out how many people there are in total
REY [17]

Answer:

Step-by-step explanation:

5+1=6

5-1=4

4/6 = 60

6/6 = ?

6/6 x 60 x 6/4

= 75 people

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brilliants [131]
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ASHA 777 [7]

Answer:

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For two events and , the probability that occurs is 0.8, the probability that occurs is 0.4, and the probability that both occur
sergey [27]

Answer:

P(B|A)=0.25  , P(A|B) =0.5

Step-by-step explanation:

The question provides the following data:

P(A)= 0.8

P(B)= 0.4

P(A∩B) = 0.2

Since the question does not mention which of the conditional probabilities need to be found out, I will show the working to calculate both of them.

To calculate the probability that event B will occur given that A has already occurred (P(B|A) is read as the probability of event B given A) can be calculated as:

P(B|A) = P(A∩B)/P(A)

      = (0.2) / (0.8)  

P(B|A)=0.25

To calculate the probability that event A will occur given that B has already occurred (P(A|B) is read as the probability of event A given B) can be calculated as:

P(A|B) = P(A∩B)/P(B)

          = (0.2)/(0.4)

P(A|B) =0.5

7 0
3 years ago
A function f is differentiable for all values of x in [0,6], and the graph with equation y=f(x) has a local minimum point at (2,
MrRa [10]

Step-by-step explanation:

The slope of tangent line at a max or a minimum is 0,.

So using point slope formula.

y - 4 = 0(x - 2)

y = 4

Is the equation of a tangent line. This means we have a horizontal line at y= 4. Horizontal lines have a slope of 0.

4 0
2 years ago
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