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gtnhenbr [62]
3 years ago
14

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by th

e given equation. Using this equation, find the maximum height reached by the rocket, to the nearest tenth of a foot.
y=−16x^2+146x+137
Mathematics
1 answer:
Mars2501 [29]3 years ago
3 0

Answer:

10.17

Step-by-step explanation:

Given the following Quadratic equation:

The steps to solve it are:

1. Substitute  into the equation:

2. Use the Quadratic formula .

In this case:

Substituting values into the Quadratic equation, you get (Round the values to the nearest hundreth):

3. The positive value is the time that the rocket will hit the ground.

Therefore, the rocket will hit the ground after .

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Kayla needs $14,000 worth of new equipment for his shop. He can borrow this money at a discount rate of 10% for a year.
arlik [135]

Answer:

$15400

Step-by-step explanation:

Principle amount, P = $14000

Time, T = 1 year

Rate of interest, R = 10%

We know that maturity amount,

A = P\left (1+\frac{R}{100} \right )^{n}

where n is number of years

A = P\left (1+\frac{R}{100} \right )^{n}

A = 14000\left (1+\frac{10}{100}\right )^{1}

A = 14000\left (1+\frac{1}{10}\right )

A = 14000\left (\frac{11}{10}\right )

A = 15400

The maturity amount is $15400

6 0
3 years ago
What is the value of x 3x 2x 55
Juli2301 [7.4K]

Answer:

25

Step-by-step explanation:

3x+2x+55=180

5x+55=180

5x=180-55

5x=125

X=125/5

X=25

So the value of X is 25

8 0
3 years ago
What is the slope of the line passing through (-3, 5) and (5, -3)?​
harina [27]

Answer:

-1 is your answer.

Step-by-step explanation:

What you do is the slope formula.

-3 - 5/5 - (-3) =

-8/8 =

-1 is your answer.

6 0
3 years ago
Read 2 more answers
Thways<br> Period:<br> 1) Describe the difference between simple and compound interest.
Pepsi [2]

Answer:

While both types of interest will grow your money over time, there is a big difference between the two. Specifically, simple interest is only paid on principal, while compound interest is paid on the principal plus all of the interest that has previously been earned.

6 0
4 years ago
In a normal distribution, which is greater, the mean or the median? Explain.
lianna [129]
B. The mean; in a normal distribution, the mean is always greater than the median
8 0
4 years ago
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