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kicyunya [14]
3 years ago
11

Do anyone know please and thank u

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
6 0

Answer:

The correct answer is A

Kaylis [27]3 years ago
6 0

Answer:

the correct answer is A :)

Step-by-step explanation:

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A ball is thrown into the air with a velocity of 34 ft/s. It's height in feet after t seconds is given by y=34t-26(t)^2. Find th
kkurt [141]

Answer:

The average velocity of the ball at the given time interval is -122.3 ft/s

Step-by-step explanation:

Given;

velocity of the ball, v = 34 ft/s

height of the ball, y = 34t - 26t²

initial time, t₀ = 3 seconds

final time, t = 3 + 0.01 = 3.01 seconds

At t = 3 s

y(3) = 34(3) - 26(3)² = -132

The average velocity of the ball in ft/s is given as;

V_{avg} = \frac{y(3.01)-y(3)}{3.01 -3}\\\\V_{avg} = \frac{34(3.01)-26(3.01)^2-y(3)}{3.01 -3}\\\\V_{avg} = \frac{-133.223-y(3)}{0.01}\\\\V_{avg} = \frac{-133.223-(-132)}{0.01}\\\\V_{avg} =\frac{-1.223}{0.01}\\\\V_{avg} = -122.3 \ ft/s

Therefore, the average velocity of the ball at the given time interval is -122.3 ft/s

8 0
3 years ago
Gavin needs $80 to buy a fish tank. He has saved $8 and plans to work as a babysitter to earn $9 per hour. Which inequality show
andrezito [222]
So the answer would be 8+9n≥80. The reason why is because he has $80 and he saved $8 and he earned $9 for each hour but we do not know how many hours so that is why it is n. and it says minimum so u might think that it might be ≤ but my sister says to think the opposite so the symbol will be ≥.

<u>Check: </u> <u>IT SAYS THAT N IS GREATER THAN 8 SO CHOOSE A NUMBER GREATER THAN 8 WHICH CAN BE 9.</u><u>
</u>
8+9n≥80
8+9*9≥80
8+81≥80
90≥80, so this makes sense.
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3 years ago
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What is meant by unit rate
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Answer:

A unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity.

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tatiyna

Answer:

0, undefined

Step-by-step explanation:

Slope=∆y/∆x

= 8-1 / 1-1

=7/0

= undefined

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3 years ago
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During their first round of golf, Imani was 7 strokes over the party and Peter was 8 strokes below par.
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the integers are positive 7 and negative 8

Step-by-step explanation:


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