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3 years ago

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16. Sarina throws a ball up into the air, and it falls on the ground nearby. The ball's height, in feet, is modeled by the funct

ion 10--2-1.3, where I represents time in seconds. What's the height of the ball when
Sarina throws it?
A. 3 feet
B. 1 foot
C. 2 feet
D. 4 feet

1 answer:

tia_tia [17]3 years ago

7 0

Answer:

Step-by-step explanation:

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Rainbow [258]

Answer:

$p + q = -6$

Step-by-step explanation:

$p^{2} + 6 p = q^{2} + 6q \\p^{2} - q^{2} = 6q - 6p$

$( p + q) ( p-q) = 6 ( q - p )$

$p + q = \frac{6 ( q - p)}{(p-q)} \\p + q = \frac{-6( p - q)}{(p - q)} \\p + q = -6$

5 0

3 years ago

A shop has a sale of

maw [93]

Answer:

19.80

Step-by-step explanation:

use the is/of x %/100 method.

33/100 x x/60

1980/100x = 19.80$

5 0

3 years ago

Which parabola has the graph shown?

ryzh [129]

The vertex is (-1, 2).

The equation of parabola:

$x=(x-k)^2+h$ where (h, k) is the vertex

We have h = -1 and k = 2.

Substitute:

$x=(y-2)^2-1\ \ \ \ |+1\\\\(x+1)=(y-2)^2$

5 0

3 years ago

A circle has a sector with area 33 pi and central angle of 11/6 pi radians. What is the area of the circle?

frosja888 [35]

Answer:

The area of the circle is $36\pi\ units^{2}$

Step-by-step explanation:

we know that

The area of a circle subtends a central angle of $2\pi$ radians

so

By proportion find the area of the circle

$\frac{33\pi }{(11\pi /6)}=\frac{x}{2\pi}\\ \\ x=2\pi*( 33*6)/11\\ \\x=36\pi\ units^{2}$

4 0

3 years ago

Read 2 more answers

Diane must choose a number between 61 and 107 that is a multiple of 4,7, and 14 . Write all the numbers that she could choose.

Gwar [14]

Answer:

84

Step-by-step explanation:

only three number are a multiple of 14

14 * 5 = 70

14 * 6 = 84

14 * 7 = 98

neither 70 nor 98 is a multiple of 4

only 84 is a multiple of 4, 7 and 14

7 0

3 years ago