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3 years ago

Does this graph represent a function? Why or why not?

Mathematics

2 answers:

guajiro [1.7K]3 years ago

5 0

Yes it represents a function because the line only has one x value for each y value

aksik [14]3 years ago

3 0

Answer:

Step-by-step explanation:

It is a function because it passes the vertical line test... (There is no vertical line you can draw that will go through 2 or more than 2 points.)

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Please help on this algebra!

Elina [12.6K]

Answer:

A (-12,14)

B (8,8)

C (-12,-8)

D (0,-12)

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3 years ago

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Help on Monday and Thursday plsss<br> (Thursday says 3/4 in the blank)

Anit [1.1K]

Answer:

$20 Monday, 1/4 Thursday

Step-by-step explanation:

for Monday it said it cost 100$ and then you got 40% off and another 40% so 40 plus 40 is 80 and you still have 20$ left to pay

For Thursday it said 3/4 was eaten so there is only 1/4 is left

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4 years ago

32.8519 rounded to the nest hundredth

Katena32 [7]

Answer:

32.85 is that rounded to the nearest hundredth

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3 years ago

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Dimas [21]

Yeah I feel like lately I've been overdoing it a bit. I've been playing video games way longer then I used too, then again I have nothing better to do, but it's time I start taking a little more care of my body. Thanks for the nice words! 2+2 = 4.

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3 years ago

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James Desreumaux, VP of Human Resources of American First Banks (AFB), is reviewing the employee training programs of AFB banks.

BartSMP [9]

Answer: (24.02,25.98)

Step-by-step explanation:

Answer:

Step-by-step explanation:

Given : Sample size : n= 100

Sample mean : $\overline{x}=25\text{ hours}$

Standard deviation : $\sigma=5\text{ hours}$

Significance level : $\alpha: 1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The confidence interval for population mean is given by :-

$\overline{x}\pm\ z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=25\pm(1.96)\dfrac{5}{\sqrt{100}}\\\\=25\pm0.98\\\\=(25-0.98,\ 25+0.98)=(24.02,25.98)$

Hence, the 95% confidence interval for the population mean of training times is (24.02, 25.98).

5 0

4 years ago