3 years ago

Find c and round thank you !

Mathematics

1 answer:

asambeis [7]3 years ago

4 0

Answer:

Step-by-step explanation:

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raketka [301]

I think I is the Answer

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3 years ago

when a cannonball is fired, the equation of its pathway can be modeled by h=-16t squared + 128t. find the time it will take for

Rashid [163]

At the time the cannonball reaches the ground, the vertical height of the cannonball from the ground is 0, i.e. h = 0.

Thus, the time it will take the cannonball to reach the ground is given by

$-16t^2+128t=0 \\ \\ \Rightarrow t(-16t+128)=0 \\ \\ \Rightarrow t=0\ or\ -16t+128=0 \\ \\ \Rightarrow16t=128 \\ \\ \Rightarrow t= \frac{128}{16} =8$

Therefore, it will take the cannonball 8 seconds to reach the ground.

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3 years ago

12r-5 61° R A) 790 C) 140° B) 70° D) 970

Yanka [14]

Answer:

79 because x = 7 so 12 x7 - 5 =79

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2 years ago

A family buys a car for $20,000. The value of the car decreases about 20% per year. After 6 years, the family decides to sell th

Ugo [173]

Answer:

Step-by-step explanation:

The car starts at 20 000

After 1 year, it's worth 18 000

After 2 years, it's worth 14 400

After 3 years, it's worth 11 600

After 4 years, it's worth 9 280

After 5 years, it's worth 7 424

After 6 years, it's worth 5 975.20

No, the family should not sell the car for 4000

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2 years ago

Richard's weekly gross pay is $1,600. He pays 25% in federal income tax and 9% in state income

BlackZzzverrR [31]

His gross pay will be 9%

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3 years ago

Read 2 more answers