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Katarina [22]
3 years ago
13

Which of the following describes the parabola with the equation y = −x2 − 3x + 6?

Mathematics
1 answer:
seropon [69]3 years ago
4 0

Answer:

C) The axis of symmetry is x = −1.5 and the vertex is (−1.5, 8.25).

Step-by-step explanation:

The axis of symmetry is x = − b/2a

= -(-3) / 2(-1)

= 3/(-2)

= -1.5

the vertex => x = -1.5

y= -(-1.5)²-3(-1.5)+6 =

-2.25 +4.5+6= 8.25

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The league championship 800 meter race has 9 runners. In how many different ways they place first, second and third?
uysha [10]

Answer:

504 different ways

Step-by-step explanation:

There are 9 people competing

9 Different people can come in 1st

We have a winner

Now there are only 8 people left to come in second

8 different people can come in 2nd

There is 1 second place winner

Now there are only 7 people left to come in second

7 different people can come in 3rd

9*8*7 =504

There are 504 different ways

3 0
4 years ago
I need help asap! 25 points
alukav5142 [94]

Answer:bc thats not the number included in the problem

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the coordinates of the intersection of the diagonals of the parallelogram with the vertices W(−2, 5), X(2, 5), Y(4, 0),
emmasim [6.3K]

Using the midpoint formula, the coordinates of the intersection of the diagonals of the parallelogram is: (1, 2.5).

<h3>What are Diagonals of a Parallelogram?</h3>

The diagonals of a parallelogram bisect each other, therefore, the coordinates of their intersection can be determined using the midpoint formula, which is: M(\frac{x_2 + x_1}{2}, \frac{y_2 + y_1}{2}).

A diagonal is XZ.

X(2, 5) = (x1, y1)

Z(0, 0) = (x2, y2)

Plug in the values

M(\frac{0 + 2}{2}, \frac{0 + 5}{2})

= (1, 2.5).

Learn more about the diagonals of a parallelogram on:

brainly.com/question/12167853

#SPJ1

7 0
2 years ago
Question 4 (1 point)
Phantasy [73]

Answer:

its 43

Step-by-step explanation:

as x was 1 in the first problem

you add X (1) by 42 and get

43..

sorry if thats wrong.

6 0
3 years ago
Read 2 more answers
Give the sum in simplest form: a/c + b/c = _____
djverab [1.8K]

Answer:

(a+b)/c

Step-by-step explanation:

a/c+b/c

since they have the same denominator you can add the numerator together

(a+b)/c

6 0
3 years ago
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