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AfilCa [17]
3 years ago
8

The equation h(t) = -16t^2? + 32t + 128 models the path of a ball thrown in the air from the top of a building. After how many s

econds does the ball reach its maximum
height?
Mathematics
1 answer:
Lelu [443]3 years ago
4 0

Answer:

1 second

Step-by-step explanation:

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in 1950, the population of a city was about 800,000 people. Over the next 50 year, the population increased to 1.3 million.Find
jasenka [17]

Answer:

62.5% increase

Step-by-step explanation:

First step : find the difference between two numbers, in this case, it's 1300000 - 800000 = 500000.

Second Step: Take the difference, 500000, and divide by the original number: 500000/800000  = 0.625.

Last, multiply the number above by 100: 0.625*100 = 62.5%. You're done! You calculated difference of a number in percent, and the answer is a percentage increase of 62.5%.

5 0
3 years ago
Read 2 more answers
What is the slope of the line shown below?
zimovet [89]

Answer: m = 5/8

Step-by-step explanation:

4 0
3 years ago
An arc on a circle measures 295°. The measure of the central angle
marishachu [46]

Answer:

59/36π

Step-by-step explanation:

We know that an angle is measured in either degrees or radians and The arc's angle measurement, taken at the center of the circle the arc is part of, is measured in degrees (or radians)

Let's convert 90 degrees into radians

295° = 295 * π/180 = 59/36π

4 0
3 years ago
Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(-4, -2), B(-2, -2), C(-2,
vladimir2022 [97]

Answer:

The area of rectangle ABCD is 18\ units^2

Step-by-step explanation:

Plot the figure to better understand the problem

we have the vertices

A(-4, -2), B(-2, -2), C(-2, 7), D(-4, 7)

see the  attached figure

The area of the rectangle is equal to

A=LW

where

L is the length

W is the width

In this problem we have

L=BC=7-(-2)=9\ units ---> difference of the y-coordinates

W=AB=-2-(-4)=2\ units ---> difference of the x-coordinates

substitute

A=(9)(2)=18\ units^2

3 0
4 years ago
Which rule which allows us to change the sign of an exponent
ruslelena [56]

Answer:

Step-by-step explanation:          

                                                                                       1

Given x³, we can write the equivalent expression -----------

                                                                                    x^(-3)

                                                              1

Given y^(-4) we can rewrite this as  ----------

                                                             y^4

Here we're applying the "rule of negative exponents."

3 0
3 years ago
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