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Mathematics

1 answer:

Anon25 [30]2 years ago

4 0

Answer:

(A) spinning red

(B) picking blue

Step-by-step explanation:

There are 9 sections to the spinner, so the probabilities of spinning the colors of interest are ...

red: 3/9 = 1/3

blue: 4/9

There are 12 balls in the bag, so the probabilities of picking the colors of interest are ...

blue: 4/12 = 1/3

red: 5/12

We note that the numbers that are the same on these lists are 1/3 for spinning red and picking blue. We also note that point A on the number line is located at about 1/3 (more than 1/4, less than 3/8).

The events that can be modeled by point A on the number line are ...

spinning red
picking a blue ball

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Answer this please !

SpyIntel [72]

Answer:

Step-by-step explanation:

$\frac{y}{2} =x^{2} -7$

$\frac{a}{2} =2^{2} -7$

$\frac{a}{2} =-3$

$a=-6$

$\frac{b}{2} =1^{2} -7$

$\frac{b}{2} =-6$

$b=-12$

From the calculations above, we learn that line l and the curve intersect at (2, -6) and (1, -12). Next, we will set up a system of linear equations to solve for the slope and the y-intercept of line l.

$-6=2m+b$