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adell [148]
3 years ago
5

Please answer both questions quickly! will give brainliest to both right answer!!

Mathematics
1 answer:
makkiz [27]3 years ago
5 0

Answer:

F

There is about half a chance so 4 would be the closest to half. Hope this helps.

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Does 30,40 ,and 45 form a right triangle
Rashid [163]
In order to find out, you need to square 45 and see weather it is equal to 40^2+30^2
in the end , 1600 won't be equal to 2500 so it won't form a right triangle.
5 0
3 years ago
GRADE 9 maths! due tonight please help!!
Alchen [17]

join all the points form -4 to 4

the answer for table is

(-4,-4) (-3,-3) (-2,-2) (-1,-1) (0,0) (1,1) (2,2) (3,3) (4,4)

7 0
3 years ago
A math test is made up of 7 problems each worth 10 points. There is no partial credit. Every test taker receives 30 points for t
likoan [24]

Answer:F(x) = 10x+30

Step-by-step explanation:

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5 0
3 years ago
The probability that Andrew has heart disease is 0.9. Andrew takes a test for the disease that has an accuracy rate of 75%. What
djverab [1.8K]

The probability that Andrew has heart disease is 0.9. Andrew takes a test for the disease that has an accuracy rate of 75%. What is the probability that Andrew has heart disease and the test accurately predicts it?

Answer: The probability that Andrew has heart disease =0.9

Also we know that the accuracy rate of test =75\% or 0.75

The given two events are independent.

Therefore, the probability that Andrew has heart disease and the test accurately predicts it =0.9 \times 0.75 =0.675



4 0
3 years ago
Write the equation of this circle in standard form. A) (x - 2)2 + (y - 3)2 = 4
Vika [28.1K]

Answer:

x^2 + y^2 -4x -6y + 9 = 0

Step-by-step explanation:

To write a circle in standard form, expand the equation of the circle and move all terms to one side.

(x-2)^2 + (y-3)^2 = 4\\x^2 -4x + 4 + y^2 -6y + 9 = 4\\x^2 +y^2 - 4x - 6y + 13 = 4\\x^2 + y^2 -4x -6y + 9 = 0

8 0
3 years ago
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