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3 years ago

14

Boats can travel anywhere between 50 and 150 kilometers per hour. Choose a speed between 50 and 150. Convert the speed you chose

into meters per second

1 answer:

lara [203]3 years ago

3 0

Take 75 kilmoeters That is 1250 meters per second

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The height of a golfball hit off a 128-foot hill is modeled by the function h(t) = −16t2 + 32t + 128, where h is height in feet

taurus [48]

The time taken for the golf ball to reach the ground is 1 s.

<h3>Motion of the golf ball</h3>

The path of motion of the golf ball can be described as parabolic because it is projectile.

When the golf ball reaches the ground, the final velocity will be zero.

Velocity of the golf ball is change in height with time.

v = dh/dt

h(t) = -16t² + 32t + 128

dh/dt = -32t + 32

0 = -32t + 32

32t = 32

t = 1 s

Thus, the time taken for the golf ball to reach the ground is 1 s.

Learn more about time of motion here: brainly.com/question/2364404

5 0

2 years ago

What's the measure of ABD, DBK, and KBC? Show all work.

Andrew [12]

Answer:

56.6

Step-by-step explanation:

Since BK is a bisector of ABC at B,

this implies that:

ABC = ABK + KBC

ABC = 28.3 + 28.3

ABC= 56.6

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3 years ago

Marge cut 16 pieces of tape for mounting pictures on poster board. Each piece of tape was 3/8 inch long. How much tape did Marge

mafiozo [28]

Hi! :)

It sounds like you need to multiply this fraction.

$\frac{3}{8}$ *16=6

So, Marge used 6 total inches of tape.

Hope this helps!

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4 years ago

Why does the fact family for 81 and 9 only have two number sentences?

sukhopar [10]

Because, 9 x 9 = 81. Hope I helped!

6 0

4 years ago

Evaluate the following expression.<br><br> (-3)-2

natta225 [31]

-5 is your answer :))))

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3 years ago