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pav-90 [236]
3 years ago
12

Calculate the height of the rocket 3 seconds after it was launched. h=-5t^2+23t+10

Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

34 meters

Step-by-step explanation:

h

=

−

5

t

2

+

23

t

+

10

At

t

=

3

, height of the rocket will be

−

5

⋅

3

2

+

23

⋅

3

+

10

=

−

45

+

69

+

10

=

34

meters.

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The sum of 4 consecutive integers is 198. What is the fourth number in this sequence.
Georgia [21]
Let x, x+1,x+2, x +3 are the <span>numbers
so
</span>x + x +1 + x +2 +x +3 = 198
4x + 6 = 198
4x =198-6
4x = 192
 x = 192/4
 x = 48
 x + 1 = 48 + 1 = 49
 x + 2 = 48 + 2 = 50
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proof
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so the numbers are 48, 49, 50, 51

fourth number in this sequence is 51
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