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mafiozo [28]
3 years ago
13

Please help

Mathematics
1 answer:
8090 [49]3 years ago
6 0

Answer:

B. (-2, 0) and (1, 0)

Step-by-step explanation:

The equation can be factored as ...

y = 2(x^2 +x -2) = 2(x +2)(x -1)

The x-intercepts are the values of x where y=0, so will be the values of x that make one or the other of the binomial factors zero:

x = -2

x = 1

Then the intercept points are (-2, 0) and (1, 0). . . . . . . . . matches choice B

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4/7 + 1/8 = what does this equal
Fudgin [204]

Answer:

39/56

Step-by-step explanation:

When you add fractions, both of the base numbers (denominators) have to be the same number in order to add the top numbers (numerators).

The easiest way to do this is to multiply each denominator by the other number. For example, 8 * 7 and 7 * 8. So you will have 56 and 56. You also need to multiple the numerator by that number. So, 1 * 7 and 4 * 8. So you will have 7 and 32. This will show as 7/56 + 32/56. Finally, add the numerators - > 39/56

3 0
2 years ago
Read 2 more answers
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DochEvi [55]
Angle 2 and angle 11 are alternate exterior angles. Line G and line L are parallel lines. Think of them as train tracks. On the outside or exterior of the train tracks is angle 2 and angle 11.

Angle 2 is on the right side of the transversal line, while angle 11 is on the left side of the transversal line.

So this is why they are alternate exterior angles. Because line G and line L are parallel lines, this means the alternate exterior angles are congruent (by the alternate exterior angle theorem). 

Since angle 2 is 115 degrees, angle 11 must also be 115 degrees

Answer: C) 115
7 0
3 years ago
Your basketball team plays 5 games. Your team scores 10 points in the first game, 3 points in the second game, 2 points in the t
Bas_tet [7]

Answer:

the mean is 4

Step-by-step explanation:

ita 4 because first you add up the 10,3,2,5,0. and then it equals 20 and then divided and get the mean which is 4

8 0
3 years ago
What is 20 to5 ratio
jeyben [28]
20 : 5
Divide a common factor between these two numbers to simplify
Divide 5
20 / 5 = 4
5 / 5 = 1
The ratio simplified would be 4 : 1
8 0
3 years ago
Any idea how to solve this problem?
soldier1979 [14.2K]

Step-by-step explanation:

h(t) = -5t^{2} + 15t

To determine the time it takes for the ball to hit the ground, we need to figure out when h(t) = 0.

0 = -5t^{2} + 15t

t^{2} - 3t = 0

t(t - 3) = 0

Separating this into two separate equations will give us the times that h(t) = 0:

t = 0

t - 3 = 0

t = 3

We can ignore t = 0 since that is the initial time that the ball is kicked from the ground, so the answer to the question is t = 3.

6 0
3 years ago
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