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3 years ago

Please help me I don’t understand how to get the answers

Mathematics

1 answer:

Lunna [17]3 years ago

3 0

Answer:

Step-by-step explanation:

What is the slope of the line? The graph is hard to see, so can't really calculate that, please reupload

What does the slope represent? Increase in costs of Hot Yoga

2. (0,25)

Not sure if that number is 25, but the most bottom dot & on the black line

Y int represents where they started at, minimum cost

Unsure about last 2

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Nana76 [90]

Answer:

x-less than-or-equal-to 3

Step-by-step explanation:

4x + 6 < 18 (less than or equal to)

4x < 12 (less than or equal to) x < 3 (less than or equal to)

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3 years ago

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Which number does NOT represent a rational number

defon

Answer:

Step-by-step explanation:

B is not rational. B = sqrt(3*3 * 2 * 5) = 3 sqrt(10) sqrt(10) is irrational.

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A quality control engineer Is interested in the mean length of sheet insulation being cut automatically by machine. It is known

nydimaria [60]

Answer:

D.2.58

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.99}{2} = 0.005$

Now, we have to find z in the Ztable as such z has a pvalue of $1 - \alpha$ .

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The answer is given by option D.

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2 years ago

the sum of the measures of two complementary angles is 90 degrees. find the measure of the angle labeled x

adoni [48]

3x - 10 + x = 90
4x = 100
x = 25 degrees

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2 years ago

How do I solve this equation?

Gnom [1K]

$2x(4-x)^{-1/2}-3(4-x)^{1/2}=(4-x)^{-1/2}\bigg(2x-3(4-x)\bigg)$

We effectively rewrite the equation as

$\dfrac{5x-12}{(4-x)^{1/2}}=0$

In order for the LHS to be defined, we need to restrict $4-x>0$ , or $x$ . Now, the LHS will vanish when the numerator is 0, which happens for

$5x-12=0\implies5x=12\implies x=\dfrac{12}5$

This value is indeed smaller than 4, so the solution is $x=\dfrac{12}5$ .

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2 years ago