4 years ago

Consider the line y = -

Mathematics

1 answer:

zalisa [80]4 years ago

8 0

Answer:

parallel: y = -x + 2

perpendicular: y = x + 2

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Which real number lies farther from 0 on the real number line -15 or 10? Explain

gladu [14]

Answer:

-15

Step-by-step explanation:

-15 because it's 15 units left from the origin or 0 while 10 is 10 units right from the origin or 0

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3 years ago

The initial population of a town is 1,300 and it is increasing at the rate of 3% each year. Find the population at 12 years

stepan [7]

Answer:

1300 * (1 + 0.03)^12 = 1853

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3 years ago

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How does using an angle of rotation to find the length of the arc on a circle intercepted by the angle differ

Lilit [14]

Answer:

I AM THINKING THAT THE ANSWER IS I+DON'T+KNOW=I DON'T KNOW

Step-by-step explanation:

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4 years ago

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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3 years ago

Before polishing, a steel plate was 2.342 inches thick. After polishing, it was 2.087 inches thick. How much was removed in poli

myrzilka [38]

Thickness of the plate before polishing = 2.342
Thickness of the plate after polishing. = 2.087
How much was removed = 2.342- 2.087 = 0.255
Hence , the answer 0.255 which is option B

5 0

3 years ago

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