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3 years ago

Please help me understand how to solve this

Mathematics

1 answer:

ss7ja [257]3 years ago

6 0

Ok, Soooo.... It is all about probability. First take down all your info.

A die has 6 different sides. 2 die = 12 sides. 2 different ages. The chances of one of their ages coming up on the first throw is very unlikely, because of all the different combinations you could come up with. Take that into consideration.
Now, you would add up all your information. My guess is that they want to see how you work out the question to see how soon their age would come. Note down that there are many different options.

Hope this helps,
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Answer:

Since $\bigtriangleup \geq 0$ , the superhero makes it over the building.

Step-by-step explanation:

The height is given by the following function:

$f(x) = -16x^{2} + 200x$

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Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

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If $\bigtriangleup < 0$ , the polynomial has no solutions.

In this question:

$f(x) = -16x^{2} + 200x$

$-16x^{2} + 200x = 612$

$16x^{2} - 200x + 612 = 0$

We have to find $\bigtriangleup$

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Answer:

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Answer:

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Step-by-step explanation:

Using a .10 significance level, can he conclude that the average trunk diameter of a pine tree is greater than the average diameter of a spruce tree

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In which $\mu_1$ is the mean pine trees height while $\mu_2$ is the mean spruce trees height.

The test statistic is:

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0 is tested at the null hypothesis:

This means that $\mu = 0$

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This means that the standard error for each sample is given by:

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