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mars1129 [50]
3 years ago
7

If you have an x-intercept = 3 and a y-intercept = 5 find the slope and the y-intercept.

Mathematics
1 answer:
Goshia [24]3 years ago
4 0
The slope is -5/3 and the y-intercept is (0,5).
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Answer:

After 22 seconds the projectile reach its maximum height of 4,840 units

Step-by-step explanation:

we have

h(t)=-10t^{2}+440t

This is a vertical parabola downward (because the leading coefficient is negative)

The vertex is a maximum

Find out the coordinates of the vertex

Convert the quadratic equation in vertex form

Factor -10

h(t)=-10(t^{2}-44t)

Complete the square

h(t)=-10(t^{2}-44t+22^2)+(10)(22^2)

h(t)=-10(t^{2}-44t+22^2)+4,840

Rewrite as perfect squares

h(t)=-10(t-22)^{2}+4,840

The vertex is the point (22,4,840)

therefore

After 22 seconds the projectile reach its maximum height of 4,840 units

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3 years ago
Question 2
FrozenT [24]

Answer:

y=-3x-1

Step-by-step explanation:

<u>Slope-intercept format:</u>

y = mx+b

m = slope

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b = y-intercept

  • In this case, the y-intercept is -1

Now we plug it in to get the equation:

y=-3x-1

I hope this helped!

Sincerely,

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3 0
2 years ago
There are 4 red cars and 8 black cards in a bag. How is it likely that you will randomly draw a blue card
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Answer:

C) Impossible

Step-by-step explanation:

Since there are no blue cards, the probability that you'd draw one is 0/12, which means that there is no chance you'll draw one.

4 0
2 years ago
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Answer:

$1.50

Step-by-step explanation:

You take 67.50/45= 1.50

Hope this helps! <3

6 0
3 years ago
The area of the rectangular sandbox at Dave’s school is 108 square feet. The sand box has a width of 9 feet as shown in the diag
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What is the question?
7 0
3 years ago
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