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earnstyle [38]
2 years ago
7

State whether the parabola opens up or down and whether the y-coordinate of the vertex is the minimum or maximum value of the fu

nction.
3(x+8)(-x+9)
Mathematics
1 answer:
ruslelena [56]2 years ago
3 0

1) The parabola opens down because when expanded out, the leading coefficient is negative.

2) The y coordinate of the vertex is a maximum because the parabola opens downward.

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Plz help meee asap helppp
KengaRu [80]

Answer:

d=45h

Step-by-step explanation:

If we look at the chart, it shows that 1 hour is equal to 45 miles. Then, 2 hours is equal to 90 miles and so on. This means that for every hour the distance is 45 miles. Therefore, the distance=45 miles times the number of hours. This is equivalent to d=45h The number 45 is equal to the number of miles and the "h" is equal to the amount of hours. I hope I didnt confuse you in the process of writing this and have a good day!

7 0
3 years ago
PLEASE HELP 80 POINTS ALGEBRA 2
Romashka [77]

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8 0
3 years ago
Read 2 more answers
For each situation described below, set up and solve an equation to answer the question.
Roman55 [17]
Q4) x+4 = 15
15-4 = x
x = 11

Q5)

18 + 12 = x

x - 12 = 18

30 - 12 = 18

x = 30

I hope this helped, please give this the Brainliest answer! :3
3 0
4 years ago
Sophia puts $450 in an account earning 7% simple interest annually. How many dollars will she
maks197457 [2]

Answer:

Sophia will have $576 in her account after 4 years.

Step-by-step explanation:

450 × 0.07 = 31.50

31.50 × 4 = 126

450 + 126 = 576

8 0
3 years ago
SUBTRACT: (6x3 - 7x2) - (- 7x4 + 7x3 +<br> 8x2)
dexar [7]

Answer:

-5

Step-by-step explanation:

Following the order of PEMDAS, you will multiply what is in the parentheses, then subtract what is in the parentheses, then finally subtract the whole thing.

(6×3 - 7×2) - (-7×4 + 7×3 + 8×2)

(18 - 14) - (-28 + 21 + 16)

(4) - (9)

-5

4 0
3 years ago
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