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SCORPION-xisa [38]
3 years ago
15

Find a a. Round to the nearest tenth: 27 cm 102° 28

Mathematics
1 answer:
Tju [1.3M]3 years ago
4 0

Answer:

44.1

Step-by-step explanation:

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Eyjafjallajökull is a volcano in Iceland. Ina research reuption a projectile is ejected with an initial velcony of 304 feet per
Snezhnost [94]

Answer:

t = 9.5 seconds

Step-by-step explanation:

Given that,

The initial velocity of the projectile is 304 ft/s

The height of the projectile is given by :

H=16t^2 + 304t

For maximum height,

Put h' = 0

h'=-32t+304

or

-32t+304=0\\\\t=\dfrac{304}{32}\\\\t=9.5 \ s

So, the time taken to reach the maximum height is 9.5 seconds.

7 0
3 years ago
The sum of four consecutive integers is 78. What<br> are the 3rd and 4th integers?
IRINA_888 [86]

Answer:

  20, 21

Step-by-step explanation:

The number halfway between the middle two integers is the average of the four:

  78/4 = 19.5

Then the four integers are 18, 19, 20, 21.

The 3rd and 4th integers are 20 and 21.

5 0
3 years ago
There are 8 blue marbles, 3 red marbles, and 4 yellow marbles in a bag. What is the probability of selecting a purple marble on
andreyandreev [35.5K]

Answer:

0

Step-by-step explanation:

there is only blue marbles, yellow marbles, and red marbles. there are no purple marbles so you’d be unable to pull out a purple one no matter how many times you tried. so the probability would be 0

6 0
3 years ago
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Help meeeeee please
Setler [38]
Divide it and then you have ur answer
8 0
3 years ago
While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the automobile’s acceleration? (Re
Andrei [34K]

We are given that:

vi, initial velocity = 24 m/s

v, final velocity = 15 m/s

t, time = 12 s

 

The formula for acceleration is:

a = (v – vi) / t

a = (15 – 24) / 12

<span>a = - 0.75 m/s^2                                (deceleration)</span>

5 0
3 years ago
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