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2 years ago

6

Which of the following is the statement of the Zero Product Property?

1 answer:

Amiraneli [1.4K]2 years ago

4 0

Answer:

D

Step-by-step explanation:

If xy = 0 then x = 0 or y = 0

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The height H of an ball that is thrown straight upward from an initial position 3 feet off the ground with initial velocity of 9

mariarad [96]

Answer:

The ball will be 84 feet above the ground 1.125 seconds and 4.5 seconds after launch.

Step-by-step explanation:

Statement is incorrect. Correct form is presented below:

<em>The height </em> $h(t)$ <em> of an ball that is thrown straight upward from an initial position 3 feet off the ground with initial velocity of 90 feet per second is given by equation </em> $h(t) = 3 +90\cdot t -16\cdot t^{2}$ <em>, where </em> $t$ <em> is time in seconds. After how many seconds will the ball be 84 feet above the ground. </em>

We equalize the kinematic formula to 84 feet and solve the resulting second-order polynomial by Quadratic Formula to determine the instants associated with such height:

$3+90\cdot t -16\cdot t^{2} = 84$

$16\cdot t^{2}-90\cdot t +81 = 0$ (1)

By Quadratic Formula:

$t_{1,2} = \frac{90\pm \sqrt{(-90)^{2}-4\cdot (16)\cdot (81)}}{2\cdot (16)}$

$t_{1} = 4.5\,s$ , $t_{2} = 1.125\,s$

The ball will be 84 feet above the ground 1.125 seconds and 4.5 seconds after launch.

3 0

2 years ago

Choose the TWO factored binominals for the expression: x2+6x – 27 Question 6 options: A) (x - 3) B) (x - 9) C) (x + 6) D) (x + 9

Vera_Pavlovna [14]

Answer:

A) x-3 and D) x+9

Step-by-step explanation:

x^2 + 6x - 27

You need to find two numbers that multiply to -27 and add up to 6

Those two numbers are -3 and 9, because 9 * -3 = -27 and 9+ -3 = 6

So you add those to x and those are your two factored binomials

(x-3) and (x+9)

4 0

3 years ago

Micah is given $50 to spend on a vacation. He decides to spend $5 a day. The amount Micah has left and the number of days are re

Tems11 [23]

Answer:

Micah will have $15 dollars left after 7 days.

Step-by-step explanation:

50/5 is 10, so Micah could stay for 10 days. But, if he wants to have $15 left, he could only stay for 7 days.

3 0

2 years ago

I will give <br> Brainliest

timofeeve [1]

Answer:

yx=yz+ax

Step-by-step explanation:

5 0

2 years ago

Arrange the following in descending order. 1. 56, 0.56, 15.6 1.65

vazorg [7]

Answer:

15.6, 1.65, 1.56, .56

Step-by-step explanation:

it is just greatest to least

4 0

2 years ago