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3 years ago

13

Triangle ABC has vertices A(0, 4), B(2, 1), and C(4, 3). Find the

1 answer:

dmitriy555 [2]3 years ago

6 0

A(0,-4)
B(2,-1)
C(4,-3)

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Can a triangle be drawn with the following side lengths? Why or why not?<br> 2 cm, 11 cm, 8 cm

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A triangle can not be drawn with these side lengths. This is because when you add 2cm+8cm, it is not more than 11 cm.

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3 years ago

Can someone answer 14,15 and 16? Thank you!

Sergio039 [100]

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3 years ago

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2 years ago

Read 2 more answers

A soccer player uses her head to hit a ball up in the air from a height of 2 meters with an initial vertical velocity of 5 meter

ozzi

Answer:

The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.

Step-by-step explanation:

The ball will hit the ground when its height is equal to 0 meters, therefore using this value in the expression and solving for "t" will give us the correct solutions.

$h = -4.9*t^2 + 5*t + 2\\\\-4.9*t^2 + 5*t + 2 = 0\\\\t_{1,2} = \frac{-5 \pm \sqrt{5^2 - 4*(-4.9)*(2)}}{2*(-4.9)}\\\\t_{1,2} = \frac{-5 \pm \sqrt{64.2}}{-9.8}\\\\t_{1,2} =\frac{-5 \pm 8.0125}{-9.8}\\\\t_1 = \frac{-5 - 8.0125}{-9.8} = 1.33 \text{ s}\\\\t_2 = \frac{-5 + 8.0125}{-9.8} = -0.3 \text{ s}$

The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.

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2 years ago

Two packages weigh 3.92 pounds and 2.8 pounds. How many times heavier Is the first package than the second?

avanturin [10]

3.92/2.8=1.4

Unless it’s reverse.

2.8/3.92=0.714285714285 and so on.

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2 years ago