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4 years ago

How to find the ratio side of a rectangular

Mathematics

1 answer:

mr_godi [17]4 years ago

4 0

Answer:

First you Set up a ratio where your large side is on top of the fraction and the smaller side is on the bottom of the fraction. Then you Divide the ratio, then set the bottom number to one.

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dalvyx [7]

Answer: 3x²-13x-30

Step-by-step explanation:

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3 years ago

Find the difference.<br> (7p + 4p3 - 8) - (-3p2 + 2 - 9p)

faltersainse [42]

Here are the steps hope this helps :)

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3 years ago

PLEASE SOLVE THE QUESTION BELOW Copy and paste these symbols if needed Δ ∠ ≅ ~.

Veronika [31]

Answer:

Statement: Reason:

1. Line AB is parallel to Line DE 1. Given

2. Angle ABC is congruent to Angle ECD 2. Vertical Angle Theorem (Vertical

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Step-by-step explanation:

I hope this helps!

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3 years ago

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vampirchik [111]

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Step-by-step explanation:

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3 years ago

pH measurements of a chemical solutions have mean 6.8 with standard deviation 0.02. Assuming all pH measurements of this solutio

aalyn [17]

Answer: 2.14 %

Step-by-step explanation:

Given : pH measurements of a chemical solutions have

Mean : $\mu=6.8$

Standard deviation : $\sigma=0.02$

Let X be the pH reading of a randomly selected customer chemical solution.

We assume pH measurements of this solution have a nearly symmetric/bell-curve distribution (i.e. normal distribution).

The z-score for the normal distribution is given by :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 6.74

$z=\dfrac{6.74-6.8}{0.02}=-3$

For x = 6.76

$z=\dfrac{6.76-6.8}{0.02}=-2$

The p-value = $P(6.74$

$P(z$

In percent, $0.0214\times=2.14\%$

Hence, the percent of pH measurements reading below 6.74 OR above 6.76 = 2.14%

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4 years ago