2 years ago

Approximately 32,200 citizens of a country died in automobile accidents in 2012. Express this toll in deaths per day.

1 answer:

4 0

There are 365 days in a year. In the question, 32,200 people in one year. 32,200/365= Your answer of the approximate deaths in a day.

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Damon is shooting 2 free throws. The probability that Damon will make a free throw is 80%.

kati45 [8]

If he makes it 80% of the time that means he makes it .80 of the time (I just made it a decimal)
After 1 shot his probability is .80
After 2 shots his probability is .80X.80 = .64 or 64%

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2 years ago

A fish tank

DIA [1.3K]

30 cubic feet Because 5x2x3=30

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2 years ago

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To make sure the machines in the factory run smoothly, the mechanics need to add-1/5 liter of oil to the machine every Monday. O

anyanavicka [17]

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2 years ago

Anyone really good at stats?

qwelly [4]

I had statistics in 10th grade

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2 years ago

Explain how to use the discriminant to determine the number and type of roots of a quadratic equation.

baherus [9]

The general form of the quadratic equation is :

$ax^2+bx+c=0$

The discriminant is :

$D=b^2-4\cdot a\cdot c$

And the general solution is :

$x=\frac{-b\pm\sqrt[]{D}}{2\cdot a}$

So, there are 3 situations for D

1. D = 0

So, the roots of a quadratic equation are two similar roots

2. D > 0

so, roots of a quadratic equation are two different roots

3. D < 0

so, roots of a quadratic equation are not real, two comlex roots

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1 year ago