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melisa1 [442]
3 years ago
8

Find the standard equation of a parabola with a vertex of (-3,1)

Mathematics
1 answer:
kkurt [141]3 years ago
3 0
1. Parabola's equation is y = a(x + b)^2 + c, where (b, c) is the vertex.
2. We have y = a(x - 3)^2 + 1
3. Take everything to the left side:
-a(x - 3)^2 + y - 1 = 0
That's the standard equation. Hope this helps! :)
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Answer:  504 cm^2

The surface area of the shape is:

3 3 * 3=9

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A mountain bike originally priced at $929.00 is up for sale at a discount of 12%. What is the price of the mountain bike after t
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Step-by-step explanation:

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4 0
2 years ago
1. Y varies inversely with x. If y = 9 when x = -5, find the value of x when y=-6.
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Answer:

Step-by-step explanation:

1 )  Y∝ 1 / X

Y = k / X

Y = 9 , X = -5

Putting the values in the relation above

9 = k / - 5

k = -45

Y = - 45 / X

Put Y = - 6

- 6 = - 45 / X

X = - 45 / -6

= 7.5

2 )

Luke and Nora can peel 12 carrots in 5 minutes

in 1 minute Luke and Nora can peel 12 / 5 carrot

in 1 minute Luke alone   can peel 12/ 11 carrot .

In 1 minute Nora alone will peel (12 / 5 -  12/ 11  ) carrot

(12 / 5 -  12 / 11  )

= 2.4 - 1.1

= 1.3 carrot

In 1 minute Nora alone will peel 1.3 carrot

1.3 carrot in 1 minute

8 carrot in 8 / 1.3 minute

= 6.15 minutes.

In 1 minute Nora alone will peel 8 carrot in 6.15 minutes working alone.

3 0
2 years ago
Information about the age of participants in a robotics competition is below:
Jet001 [13]

Answer: 13 and 31 sorry for it being rog the first time  

Step-by-step explanation: BRAINLIEST PLZ

4 0
2 years ago
Read 2 more answers
Find the size of angel x<br><br><br>​
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Answer:

The measurement of x is 56 degrees.

Step-by-step explanation:

Below that angle is a straight line measuring 180 degrees, so if one part of that 180 is 124 you would take 124 from 180.

180-124=x

x=56

Hope this has helped have a great day.

5 0
2 years ago
Read 2 more answers
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