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enyata [817]
2 years ago
15

Which of the following equations is of a parabola with a vertex at (1, -2)?

Mathematics
1 answer:
arlik [135]2 years ago
8 0
The general eaquation of a parabola in terms of its vertex is:

y = a(x - h)^2 + k

where the vertex point is (h, k)

therefore, an equation of a parabola with vertex (1, -2) is:

y = 5(x - 1)^2 - 2
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Given the conversion factors 12 in/1 ft and 3.28 ft/1 m, which line segment is longer?
chubhunter [2.5K]

Answer:

Line segment A

Step-by-step explanation:

The apostrophe symbol represents feet.

1 meter can be converted into 3.28'

Since 5.5' > 3.28', Line segment A is larger

8 0
1 year ago
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How do you solve this ?
saveliy_v [14]

When given a value of the variable, we replace each instance of the variable in the problem with that number. In this case, the expression becomes:


\frac{3^2 + 3}{3 - 1}


After this, we merely need to simplify the answer.


\frac{9 + 3}{3 - 1}


\frac{12}{2}


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5 0
2 years ago
Find a equation with a slope of -6
kumpel [21]

Answer:

y= -6x+2

Step-by-step explanation:

4 0
3 years ago
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2 A garden hose supplies 36 gallons of water in 3 minutes. Use a table or eq
Vilka [71]

Answer  ↣ 12 gallons per minute

Step-by-step explanation ↣ Ok I'm gonna use ratios because I can't draw a graph here.

Ok so if the garden hose supplies 36 gallons of water in 3 minutes, then the ratio is 36:3 because every 3 minutes the garden hose "sprays" 36 gallons.

To simplify this ratio, you need find the amount of water the garden hose supplies in 1 minute.

Well to get from 3 to 1, you have to divide by 3.

Do the same thing to 36. 36/3 equals 12.

So the final ratio is 12:1

This is the unit rate. The unit rate is when one variable is 1 unit (most of the time it is speed).

You can multiply 1 by any number and multiply 12 by the same number.

Here are some ratios...

m=minutes

g=gallons

1m:12g

2m:24g

3m:36g

4m:48g

5m:60g

Hope this helped!

BTW why do I sound like this I'm not a aesthetic person-

8 0
2 years ago
1. What is the mean of the data set?
enyata [817]

Answer:

1.  mean is 17.4

2.  interquartile range is 30

3.  mean absolute deviation is 3

4.  median is 51

Step-by-step explanation:

5 0
3 years ago
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