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2 years ago

14

Solve all of these ?

1 answer:

kkurt [141]2 years ago

5 0

21 Answer:

$\frac{3}{a}$

22 Answer:

$\frac{1}{ {b}^{3} }$

23 Answer:

$\frac{ {4a}^{2}c^{3} }{ {b}^{2} }$

24 Answer:

$9c ^{4}$

25 Answer:

$- \frac{1}{ {a}^{2} }$

26 Answer:

$\frac{1}{ {c}^{2} }$

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a ball is shot straight upward. with it's height, in feet, after t seconds given by the function f(t)=-16t^2+192t. Find the aver

jekas [21]

ANSWER

$80 {ms}^{ - 1}$

EXPLANATION

The average velocity of the ball is the rateof displacement over the total time.

The height of the ball, in feet, after t seconds is given by the function:

$f(t)=-16t^2+192t$

At time t=1, the height of the ball is

$f(1)=-16(1)^2+192(1)$

$f(1)=-16+192 = 176ft$

At time t=6, the height of the ball is

$f(6)=-16(6)^2+192(6)$

$f(6)=-16(36)+192(6)$

$f(6)=-576+1152 = 576$

The average velocity

$= \frac{f(6) - f(1)}{6 - 1}$

$= \frac{576- 176}{6 - 1}$

$= \frac{400}{5}$

$= 80 {ms}^{ - 1}$

7 0

2 years ago

To show how to do this step by step

Jet001 [13]

Answer:

to do it 5 x 10 x 4 x 5 x 6 x 7 x 3 x 2 3 x 4 x5

Step-by-step explanation:

x 3x 3x 3x3 x4 x4x4 x4x to the power of 5 million

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2 years ago

What is the equation of a line passing through (-3,7) and having a slope of -1/5?

g100num [7]

We'll use the slope-intercept form y = mx + b. Where m is the slope and b is the y-intercept.

We know the slope, -1/5. Now the equation looks like y = (-1/5)m + b

To find the y-intercept, plug in the ordered pair that the question gave us into our equation and solve for b.

7 = (-1/5)(-3) + b
7 = 0.6 + b
6.4 = b
b = 6 2/5

So, the y-intercept will be at 6 2/5.

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3 years ago

A) Find the lowest common multiple (LCM) of 36 and 48

dezoksy [38]

144 is the lowest hoped this helped

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2 years ago

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What are the x and y intercepts of 4x-5y=100?

boyakko [2]

X intercept= (25,0)
y intercept= (0,-20)

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3 years ago