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3 years ago

SOMEONE PLEASE HELP ME WITH THIS.

Mathematics

1 answer:

Softa [21]3 years ago

8 0

If the function is defined for all $x \neq m$ , it means that $m$ is a point who doesn't belong to the domain of the function.

Now, since your function is a ratio, you can't have zero denominator. So, if a point nullifies the denominator, it can't belong to the function domain.

In your case, the denominator is $x-2$ , which is zero when

$x-2=0\iff x=2$

So, this function can't be evaluated at $x=2$ , and in other words, the function is defined when $x \neq 2$ , so that's the value for $m$ .

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The average sales per customer at a home improvement store during the past year is $75 with a standard deviation of $12. The pro

borishaifa [10]

Answer:

0.0668

Step-by-step explanation:

Assuming the distribution is normally distributed with a mean of $75,

with a standard deviation of $12.

We can find the z-score of 78 using;

$z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n} } }$

$\implies z=\frac{78-75}{\frac{12}{36} } =1.5$

Using our normal distribution table, we obtain the area that corresponds to 0.25 to be 0.9332

This is the area corresponding to the probability that, the average is less or equal to 78.

Subtract from 1 to get the complement.

P(x>78)=1-0.9332=0.0668

6 0

3 years ago

what is the order from least to greatest - 4 with the exponent of 3, square root of 40, square root of 13, square root of 7, , 1

LuckyWell [14K]

Answer: $-4^{3}$ , 14/9 , $\sqrt{7}$ , $\sqrt{13}$ , $\sqrt{40}$

Step-by-step explanation:

$-4^{3}$ = - 64

$\sqrt{40}$ = 6.32455532

$\sqrt{13}$ = 3.605551275

$\sqrt{7}$ = 2.645751311

14/9 = 1.555555556

Arranging from least to greatest , we have :

$-4^{3}$ , 14/9 , $\sqrt{7}$ , $\sqrt{13}$ , $\sqrt{40}$

3 0

3 years ago

A line passes through the point (-4,-3) and has a slope of -3.

ryzh [129]

Answer:

your answer would be y=-3x-15

Step-by-step explanation:

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3 years ago

Create an input/output chart to graph each given equation

ivolga24 [154]

These are all linear equations, which means their graph is a straight line.

So, you need only two points in your chart to draw them accurately.

If you choose them sufficiently far apart, your graph is the most accurate.

For y=2x, lets use -3 and +3:

x y

-3 -6

3 6

Draw dots on the graph paper, then a straight line through them. You can add additional points to the table, they should all fall on the line.

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4 years ago

Solve the simultaneous equations 3 x - 5 y = 5 ,x + 10y= 4

Phoenix [80]

-46 and 5
Hope its right

7 0

3 years ago