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Ierofanga [76]
3 years ago
15

2x + 2x - 5- 2 - 3x - 2x

Mathematics
2 answers:
alex41 [277]3 years ago
7 0

Step-by-step explanation:

combine like terms: 2x+2x+(-3x)+(-2x)

=-x so....

-x-5-2=-x-3

hope that helps ☺️

Alla [95]3 years ago
6 0

Answer:

-1 (x+7)

Step-by-step explanation:

2x+2x-3x-2x-5-2

Rearrange the number so you can add the same numbers together with the same variable

4x-5x-7

Add them together

-x-7

Take out what they have in common with is the negative

-1 (x+7)

The minus sign becomes a plus sign when you factored it out.

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2 years ago
Suppose a football is kicked with an initial velocity of 82 ft/sec., at an angle of
satela [25.4K]

Answer:

The position P is:

P = 87\^x + 75\^y ft     <u><em> Remember that the position is a vector. Observe the attached image</em></u>

Step-by-step explanation:

The equation that describes the height as a function of time of an object that moves in a parabolic trajectory with an initial velocity s_0 is:

y(t) = y_0 + s_0t -16t ^ 2

Where y_0 is the initial height = 0 for this case

We know that the initial velocity is:

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So:

s_0 = 82sin(58\°) ft/sec

s_0 = 69.54 ft/sec

Thus

y(t) = 69.54t -16t ^ 2

The height after 2 sec is:

y(2) = 69.54 (2) -16 (2) ^ 2

y(2) = 75\ ft

Then the equation that describes the horizontal position of the ball is

X(t) = X_0 + s_0t

Where

X_ 0 = 0 for this case

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6 0
3 years ago
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Step-by-step explanation:

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                 Diff. = 5² - n

We indicate "taking the difference" by a "minus" sign, so all the other options are <em>wrong. </em>

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