3 years ago

What do two equivalent expressions always have in common

Mathematics

1 answer:

igomit [66]3 years ago

3 0

Both have the same when simplified to its lowest point in the expression

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the function h=-16t^2+48t represents the height h (in feet) of a kickball t seconds after it is kicked from the ground

Julli [10]

Answer:

36 feet

Step-by-step explanation:

Given

$h(t) = -16t^2 + 48t$

Required

Determine the maximum height attained

First, calculate the time to reach maximum height;

In a quadratic equation;

$y = ax^2 + bx + c$

The maximum is:

$x = -\frac{b}{2a}$

So, we have:

$t = -\frac{b}{2a}$

Where

$a = -16; b = 48$

So:

$t = -\frac{b}{2a}$

$t = -\frac{48}{2 * -16}$

$t = -\frac{48}{-32}$

$t = \frac{48}{32}$

$t = 1.5$

The maximum height is at: $t = 1.5$

So, we have:

$h(t) = -16t^2 + 48t$

$h_{max}=-16 * 1.5^2 + 48 * 1.5$

$h_{max}=36$

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3 years ago

Find the length of LM:<br> K<br> 16<br> L<br> M

Tanzania [10]

Answer:

Step-by-step explanation:

LM = KI/2

LM = 16/2

LM = 8

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3 years ago

The cost of renting a moving truck is $15 plus an additional $0.10 for each mile driven. Write an expression to represent the co

Paraphin [41]

Answer:

m(0.10)+15

Step-by-step explanation:

X is representing the miles driven. Then we're adding $15 for the rent fee.

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Virty [35]

Answer:

This is khan academy. I am pretty sure they have a video for this but whatever.

Step-by-step explanation:

So we are using sin, cosine, and tan. 3.4 is the hypotenuse. the side is X. The angle is 20 degrees. So, this is adjacent to hypotenuse. This means it is cosine.

3.4cos(20)= around 3.19

And thats that! let me know if this is wrong and I will try to fix it.

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What is the greatest common factor of 56, 80 and 56?

Irina-Kira [14]

The greatest common factor would be 8

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