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hodyreva [135]
3 years ago
14

(-6.7x 2 + 2.3x y + 5.2) - (-14.9x 2 - 3.5x y + 7.1)

Mathematics
1 answer:
Kruka [31]3 years ago
7 0
9.6x^2 + 5.8xy - 2.1

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Find the greatest common factor of 24, 36, and 48. help
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Answer:

24, 36, and 48

Step-by-step explanation:

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Please help with a practice sheet my parents gave me.
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Answer:

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Luis, using appropriate safety precautions, fires a .22 caliber gun directly into the sky above him. The bullet travels at a spe
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The equation represents height as a function of time.

The bullet was in the air for 75 seconds.

The equation is given as:

h(t) = -16t^2  + 1200t

The time spent in the air is the time it takes the bullet to land on the ground.

When the bullet is on the ground, the height is:

h(t) = 0

So, we have:

h(t) = -16t^2  + 1200t

-16t^2 + 1200t = 0

Factor out t

t(-16t + 1200) = 0

Split

t = 0 or -16t + 1200 = 0

t = 0 represents when the shot is fired.

So, we solve for t in -16t + 1200 = 0

Collect like terms

16t = 1200

Divide both sides by 16

t = 75

Hence, the bullet was in the air for 75 seconds

Read more about height and time at:

brainly.com/question/2261757

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