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maksim [4K]
3 years ago
15

A ball is launched into the air from a height of 12 feet at time t = 0. The function that models this situation is h(t) = -2t2 +

10t + 12, where t is measured in seconds and h is the height in feet.
---
What is the height of the ball after 2 seconds?
---
When will the ball hit the ground?
Mathematics
2 answers:
marshall27 [118]3 years ago
6 0

Answer:

Step-by-step explanation:

50

Natalka [10]3 years ago
6 0
NfnzmmMknx is Cual. It will gto until then
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What is the missing number in the sequence below?<br><br> 39, 24, 9, ____, -21
Oksi-84 [34.3K]

Answer:

-6

Step-by-step explanation:

The pattern here is that you substract 15 every time you move a number (left to right) , therefore: 9-15 = -6

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)

6 0
3 years ago
The slope of a line is undefined, and the x-intercept is -7. what is the equation of the line?​
Andreyy89

The equation of line with undefined slope and x - intercept -7 is x = -7

<em><u>Solution:</u></em>

Given that the slope of line is undefined and the x intercept is -7

To find: Equation of line

If a line has undefined slope, then it is a vertical line

A vertical line has undefined slope because all points on the line have the same x-coordinate

<em><u>The equation of a vertical line always takes the form:</u></em>

x = b

where, "b" is the x - intercept

Given x - intercept is -7

<em><u>Thus the equation of line is:</u></em>

x = -7

Therefore, the equation of line is found

7 0
3 years ago
D = 3.2(t+1)(2t - 3)
ipn [44]

Answer:

3/2=1.5 sec

Step-by-step explanation:

Equate d=0 and solve the expression, t=-1 and 3/2 but t can't be negative.

8 0
3 years ago
16q– 81 = 0<br> Answer for me plizzz
lisov135 [29]
The answer is q = 5.0625
7 0
3 years ago
Read 2 more answers
Need help with this question! Will attach pic! A satellite is to be put into an elliptical orbit around a moon as shown below.Th
Darina [25.2K]
An equation for the ellipse ( standard form ):
x²/a²  +  y²/b² = 1
Here is:  a - semi-major axis and b - semi-minor axis.
Radius of the moon is 1,000 km and the distance from the surface of the moon to the satellite varies from 953 km to 466 km.
a = 1,000 + 953 = 1,953 km
b = 1,000 + 466 = 1,466 km
Answer:
The equation is  x² / 1,953²  + y² / 1,466² = 1
or: x²/3,814,209  +   y²/2,149,156  = 1
4 0
3 years ago
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