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3 years ago

15

What is the slope of the line??? Someone please help.

1 answer:

hammer [34]3 years ago

7 0

-1/1 is your answer :)

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You are tossing an apple. After t seconds, the height of the apple in feet is given by h = -16t2 + 38.4t + 0.96. What is the dom

Nesterboy [21]

Using function concepts, it is found that the domain is 0 ≤ t ≤ 2.4, given by option C.

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The height of the apple after t seconds is given by:

$h(t) = -16t^2 + 38.4t + 0.96$

The domain of a function is the <u>set that contains all possible input values.</u>
The possible input values for this situation are the values of t between 0 and the instant in which the apple hits the ground, which is t for which $h(t) = 0$ .

----------------------

$h(t) = -16t^2 + 38.4t + 0.96$

Which is a quadratic equation with $a = -16, b = 38.4, c = 0.96$

To find the solutions:

$\Delta = b^2 - 4ac = (38.4)^2 - 4(-16)(0.96) = 1536$

$t_1 = \frac{-b + \sqrt{\Delta}}{2a} = \frac{-38.4 + \sqrt{1536}}{2(-16)} = -0.0247$

$t_2 = \frac{-b + \sqrt{\Delta}}{2a} = \frac{-38.4 - \sqrt{1536}}{2(-16)} = 2.4$

The apple is in the air for 0 ≤ t ≤ 2.4, which means that the domain is given by option C.

A similar problem is given at brainly.com/question/23932338

7 0

3 years ago

A 13 Ft ladder is leaning up against a building, with the base of the ladder 2 feet from the building. How high up on the buildi

Lelechka [254]

Visualize the image in your mind and you can see that it forms a right angled triangle with a base,altitude and hypotenuse

base=2 feet

hypotenuse(ladder)=13 ft

We need to find the altitude,

By applying pythagoras theorem,

base square+altitude square=hypotenuse square

Take altitude as x

2 square+x square=13 square

4+x square=169

x square=169-4

x square=165

x= root of 165

x=12.8 feet(approx.)

6 0

4 years ago

Write the fraction 9/54 in simplest form.

slamgirl [31]

Answer:

1/6

Step-by-step explanation:

Divide by 3

9/54 = 3 / 18

You can again divide by 3 for the answer

1/6

5 0

3 years ago

Read 2 more answers

I’m super confused can anyone solve this

Ronch [10]

Answer:

x=5°, angle A=50°

Step-by-step explanation:

8x+11x-5+90=180

19x=95

x=5°

-->A= 11x-5

= 11*5-5

=50°

4 0

2 years ago

Rewrite 18y x 4x using Commutative Property

Vsevolod [243]

The answer to the question

7 0

3 years ago