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4 years ago

NO PLAGIARISM! non plagiarism answers get 100 points ad brainliest!

Mathematics

2 answers:

uranmaximum [27]4 years ago

8 0

Answer/Step-by-step explanation:

I would rather be player A. Player A's graph shows points going up. When lines move up left to right this is a positive graph which means positive points.Player B's graph shows negative points, because this line is moving up right to left. To prove this you can look at the coordinates and it would equal a negative number for player B.

sergeinik [125]4 years ago

3 0

Answer:

I would rather be player A.

Step-by-step explanation:

The graph for Player A is positive, and looks like it is increasing and has increased continuously.

The graph for Player B is negative, and looks like it is continuing down.

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If 3 bags of chips cost $6.39, what is the unit ratio? Show your work please ^-^

KonstantinChe [14]

$6.39/3 bags = x dollars/1 bag

x dollars = $6.39/3 bags = $2.13 : 1 bag

5 0

3 years ago

What is the simplified form of the following expression? 7(3sqrt2x)-3(3sqrt16x)-3(3sqrt8x)

coldgirl [10]

Assignment: $\bold{Simplify \ Equation: \ 7\left(3\sqrt{2}x\right)-3\left(3\sqrt{16}x\right)-3\left(3\sqrt{8}x\right)}$

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Answer: $\boxed{\bold{3\sqrt{2}x-36x}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Remove Parenthesis (a) = a

$\bold{7\cdot \:3\sqrt{2}x-3\cdot \:3\sqrt{16}x-3\cdot \:3\sqrt{8}x}$

[ Step Two ] Simplify Equations

$\bold{7\cdot \:3\sqrt{2}x: \ 21\sqrt{2}x}$

$\bold{3\cdot \:3\sqrt{16}x: \ 36x}$

$\bold{3\cdot \:3\sqrt{8}x: \ 18\sqrt{2}x}$

[ Step Three ] Rewrite Equation

$\bold{21\sqrt{2}x-36x-18\sqrt{2}x}$

[ Step Four ] Add Similar Elements

$\bold{21\sqrt{2}x-18\sqrt{2}x=3\sqrt{2}x}$

[ Step Five ] Rewrite Equation

$\bold{3\sqrt{2}x-36x}$

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$\bold{\rightarrow Mordancy \leftarrow}$

7 0

3 years ago

1/3 multiplied by 1 1/2

Andrei [34K]

Answer:

0.5

Step-by-step explanation:

6 0

3 years ago

Suppose that an airline uses a seat width of 16.5 in. Assume men have hip breadths that are normally distributed with a mean of

Alexxx [7]

Answer:

a) 0.018

b) 0

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 14.4 in

Standard Deviation, σ = 1 in

We are given that the distribution of breadths is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

a) P(breadth will be greater than 16.5 in)

P(x > 16.5)

$P( x > 16.5) = P( z > \displaystyle\frac{16.5 - 14.4}{1}) = P(z > 2.1)$

$= 1 - P(z \leq 2.1)$

Calculation the value from standard normal z table, we have,

$P(x > 16.5) = 1 - 0.982 = 0.018 = 1.8\%$

0.018 is the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.5 in.

b) P( with 123 randomly selected men, these men have a mean hip breadth greater than 16.5 in)

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

P(x > 16.5)

$P( x > 16.5) = P( z > \displaystyle\frac{16.5-14.4}{\frac{1}{\sqrt{123}}}) = P(z > 23.29)$

$= 1 - P(z \leq 23.29)$

Calculation the value from standard normal z table, we have,

$P(x > 16.5) = 1 - 1 = 0$

There is 0 probability that 123 randomly selected men have a mean hip breadth greater than 16.5 in

4 0

3 years ago

8.2z^2+2.1+7z-0.1-4z+z^2

Mariulka [41]

Answer: 3z^2 + 3z +2
Hope this helps : )

4 0

3 years ago