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klemol [59]
3 years ago
14

If y=22 when x=8,find y when x=-16

Mathematics
2 answers:
inysia [295]3 years ago
8 0
Y = 44

8 x 2 = 16
22 x 2 = 44
tensa zangetsu [6.8K]3 years ago
8 0
Y would equal -44 because 8 times -2 is -16 and 22 times -2 is -44  
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Eben, an alien from the planet Tellurango, kicks a football from field level. The equation for the football’s height in meters,
Luden [163]

<span>The maxima of a differential equation can be obtained by getting the 1st derivate dx/dy and equating it to 0.</span>

<span>Given the equation h = - 2 t^2 + 12 t       , taking the 1st derivative result in:</span>

dh = - 4 t dt + 12 dt

<span>dh / dt = 0 = - 4 t + 12   calculating for t:</span>

t = -12 / - 4

t = 3 s

Therefore the maximum height obtained is calculated by plugging in the value of t in the given equation.

h = -2 (3)^2 + 12 (3)

h = 18 m

This problem can also be solved graphically by plotting t (x-axis) against h (y-axis). Then assigning values to t and calculate for h and plot it in the graph to see the point in which the peak is obtained. Therefore the answer to this is:

<span>The ball reaches a maximum height of 18 meters. The maximum of h(t) can be found both graphically or algebraically, and lies at (3,18). The x-coordinate, 3, is the time in seconds it takes the ball to reach maximum height, and the y-coordinate, 18, is the max height in meters.</span>

6 0
3 years ago
I need help with number 2 and 3 I can't get this wrong and explain !!!!
mr_godi [17]
Because on number two there is a right angle and a part of it is 66 you subtract 66 from 90 and then divide that by 31 and subtract 7. Hope that helped a little 
7 0
3 years ago
Read 2 more answers
2n – 32 = 10(n - 8) what is the answer
sasho [114]

Answer:

n = 6

Step-by-step explanation:

2n - 32 = 10n - 80

2n - 10n = -80 + 32

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7 0
2 years ago
Renee and John have a joint checking account. Their balance at the beginning of September was $6,238.67. During the month they m
professor190 [17]

Answer: 4778.69 + b + d - z

Step-by-step explanation:

Based on the information given above, we would add the deposits made, and the interest earned to the balance at the beginning of September while we would subtract the check written, and the maintenance fee from the balance.

This will algebraically be expressed as:

= 6238.67 + d - 1459.98 - z + b

= 6238.67 - 1459.98 + b + d - z

= 4778.69 + b + d - z

5 0
3 years ago
What's the solution for 2x-3y=1 -4x+6y=-4
MatroZZZ [7]

Answer:

no solutions.

Step-by-step explanation:

2x - 3y = 1

-4x + 6y = -4

Simplifying our second equation, we get:

-4x + 6y. =-4

-2x + 3y = -2

2x - 3y = 2

From here, we can see that this system of equationis has no solutions because, how can 2x - 3y be equal to both 1, and 2???

5 0
2 years ago
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