3 years ago

What is the point y=3x-13

Mathematics

1 answer:

LuckyWell [14K]3 years ago

3 0

Two points can be (6,5) and (7,8)

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Because when multiplying you add the number of variables, and there are 3 X's so it would be 6x with an exponent of 3

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2 years ago

Louise made 80% of what he made last week. If he made $72 this week, how much would you make last week?

Dimas [21]

Louise made $90 last week

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3 years ago

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A random sample of 35 business students required an average of 50.7 minutes to complete a statistics exam. Assume that the popul

love history [14]

Answer:

(47.3, 54.1)

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:

$\alpha = \frac{1 - 0.95}{2} = 0.025$

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

That is z with a pvalue of $1 - 0.025 = 0.975$ , so Z = 1.96.

Now, find the margin of error M as such

$M = z\frac{\sigma}{\sqrt{n}}$

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$M = 1.96\frac{10.4}{\sqrt{35}} = 3.4$

The lower end of the interval is the sample mean subtracted by M. So it is 50.7 - 3.4 = 47.3

The upper end of the interval is the sample mean added to M. So it is 50.7 + 3.4 = 54.1

The answer is (47.3, 54.1).

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2 years ago

In ΔABC, what is the value of sin C?

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The trig function "sin" represents the opposite side / the hypotenuse. Therefore, sinC = c/a

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3 years ago

What is the solution to the following equation?<br> 17 n -23n + 11.5n = 44

faltersainse [42]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

n = 8

Step-by-step explanation:

Have a nice day! I hope this helps!

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2 years ago

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