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2 years ago

15 Points all I have left please help.

Mathematics

1 answer:

timurjin [86]2 years ago

7 0

Answer:

The second water balloon is in the air longer. Balloon 1 will reach the maximum height faster because it is lower.

Step-by-step explanation:

This is because you drop the first balloon at a height of 105 ft. The second balloon is dropped at a height of 125 ft. The second balloon stays in the air longer because it was dropped at a higher elevation. Balloon 1 will reach the maximum height faster because it is lower.

If this answer is correct, please make me Brainliest!

On my graph, the black line is the equation for Balloon 1 and the red line is the equation for Balloon 2. Since the black line has a lower maximum, this means that Balloon 1 will reach its maximum first.

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Analyze the diagram below and complete the instructions to follow.<br><br> Find a, b and c

Feliz [49]

Answer/Step-by-step explanation:

✔️Using trigonometric ratio, find b:

Reference angle = 45

opposite = 8

Hypotenuse = b

Thus,

Sin(45) = 8/b

b = 8/sin(45)

b = 8/(1/√2) (sin 45 = 1/√2)

b = 8 × √2/1

b = 8√2

✔️Find a using trigonometric ratio:

Reference angle = 60°

Hypotenuse = b = 8√2

Adjacent = a

Therefore,

Cos(60) = a/8√2

8√2*cos(60) = a

8√2*½ = a

4√2 = a

a = 4√2

✔️Find c using Pythagorean Theorem:

c² = b² - a²

c² = (8√2)² - (4√2)²

c² = 128 - 32

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5 0

2 years ago

Vanessa throws a tennis ball in the air. The function h(t) = -15t2 + 45t + 10 represents the distance in feet, that the ball is

Step2247 [10]

Answer:

43.75feet

Step-by-step explanation:

Given the height of the tennis ball expressed as;

h(t) = -15t^2 + 45t + 10

At maximum height, the velocity of the ball is zero

v = dh/dt

dh/dt = -30t + 45

Since dh/dt = 0, hence;

0 = -30t + 45

30t = 45

t = 45/30

t = 3/2

t = 1.5secs

Substitute t = 1.5 into the expression given

h(1.5) = -15(1.5)^2 + 45(1.5) + 10

h(1.5) = -15(2.25)+67.5+10

h(1.5) = -33.75+77.5

h(1.5) = 43.75feet

Hence the maximum height of the ball is 43.75feet

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2 years ago