MATHEMATICS HIGH SCHOOL

A baseball is thrown into the air from a height of 5 feet. The ball reaches a maximum height of 43.5 feet and spends a total of 3.2 seconds in the air. Write the equation that models the height of the baseball? Assume that acceleration due to gravity is –16 ft/s2

Answers

Answer 1

Answer:

Answer:

h(t) = -16t2 + 49.64t + 5 (which is letter C )

Step-by-step explanation:

Got it correct

Answer 2

Answer: h = 5 + ut - 16t^2
When the balls falls back to the ground, h = 0
0 = 5 + 3.2u - 16(3.2)^2
0 = 5 + 3.2u - 163.84
0 = 3.2u - 158.84
3.2u = 158.84
u = 158.84/3.2 = 49.6 ft/s

Required equation is
h = 5 + 49.6t - 16t^2

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∠A and ∠B are supplementary. If m∠A = 83° , what is the measure of ∠B?7°
83°
97°
17°

Answers

suplementary means adds to 180
a+b=180
a=83
83+b=180
minus 83 both sidse
b=97

answer is 97 degrees

Answer:

it is 17 d

Step-by-step explanation:

NEED THE ANSWER NOW!The city is building a parking lot for a new office building. The expression to represent the number of parking spots in the new parking lot is StartFraction 5 x over 2 EndFraction minus 6, where x represents the number of parking spots in the first row. Use the order of operations to find out how many parking spots are in the parking lot if there are 30 parking spots in the first row.
9
24
69
144

Answers

Answer:

Step-by-step explanation:

there will be 69 total parking spaces if there are 30 in the front row

Answer:

Step-by-step explanation:

Write an equation for the linr that is parallel to the given lin and passes through the given point. y=5x+10; (2,14)y=1/5x+4
y=-1/5x-4
y=5x=68
y=5x+4

Answers

y = 5x + 10...slope here is 5. A parallel line will have the same slope.

y = mx + b
slope(m) = 5
(2,14)...x = 2 and y = 14
now we sub and find b, the y int
14 = 5(2) + b
14 = 10 + b
14 - 10 = b
4 = b

so ur parallel equation is : y = 5x + 4

Answer:

He was correct

Step-by-step explanation:

Solve the equationin x =-3
A.x=?

(Round to five decimal places as needed. Use a comma to separate answers as needed.)

B.The solution is the empty set.

Answers

Answer:

x = 0.04979

Step-by-step explanation:

ln x = -3

x = e^(-3)

x = 1/e^3

x = 0.04979

I tried to scream but my head was under water.....

Answers

They called me weak

Like I'm not just somebody's daughter

A bicycle wheel has a radius of 28 cm. what is the circumference of the wheel?

Answers

Answer:

176 cm

Step-by-step explanation:

You want the circumference of a wheel with a radius of 28 cm.

Circumference

The circumference of a circle is given by ...

C = 2πr

For r = 28 cm, this is ...

C = 2π(28 cm) = 56π cm ≈ 176 cm

The circumference of the wheel is 56π cm, about 176 cm.

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