3 years ago

Which equation describes a parabola that opens up or down and whose vertex is at the point (h,v)

Mathematics

1 answer:

Serggg [28]3 years ago

7 0

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

a is positive when the parabola opens up and negative when it opens down.

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Put -0.615, -5/8. -0.62 in order

yan [13]

-0.615
-5/8 = 0.625
-0.62

with negatives, the larger the number is, the smaller it is

-0.625 , -0.62 , -0.615....least to greatest

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2 years ago

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What would y equal if you substituted 2 in y+2x=3

Ivahew [28]

Answer:

-1

Step-by-step explanation:

Given the equation:

$y+2x=3$

Substitute $x=2$ into this equation:

$y+2\cdot 2=3\\ \\y+4=3$

Subtract 4:

$y+4-4=3-4\\ \\y=-1$

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3 years ago

The after school craft center has 15 boxes of 64 crayons each. In 12 of the boxes , 28 of the crayons have not been used. All th

Korolek [52]

The <em><u>correct answer</u></em> is:

624 crayons.

Explanation:

In 12 of the boxes, 28 crayons have not been used; this leaves 64-28=36 crayons that have been used. 12(36) = 432 crayons have been used in these boxes.

3 full boxes have been used; this is 3(64) = 192 crayons.

Together this makes 432+192 = 624 crayons that have been used.

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3 years ago

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Which of the following is an arithmetic sequence?

Travka [436]

Step-by-step explanation:

C. n 1 2 3 4

an 3 6 9 15

hope this helps you

have a great day : )

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2 years ago

6x + 3y = 18

Inessa [10]

Answer:

I HAVE 2 OPTIONS

A OR B

I THINK

8 0

2 years ago