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3 years ago

8

Come up with a scenario that explains why hours (hours for what?) goes down with time. It can be short, just a couple sentences

or so.

1 answer:

frozen [14]3 years ago

8 0

For example Sarah may be taking a test she has 2 hours to take the test.As more time passes the amount of hours go down

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Does the graph of f (x) = -(x+6)2 have a maximum or a minimum?

Flura [38]

Answer:

the quadratic function has a maximum as it is opened downwards.

Step-by-step explanation:

pls mark brainliest if you could! hope this helped!

5 0

3 years ago

Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best po

Brrunno [24]

Answer: (0.63, 7.07)

Step-by-step explanation:

The confidence interval for population proportion is given by :-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

Given : $\hat{p} =0.7$ ; $n=110$

Significance level : $1-0.90=0.1$

Critical value : $z_{\alpha/2}=1.645$

Now, a 90% confidence interval for population proportion will be :-

$0.7\pm (1.645)\sqrt{\dfrac{0.7(1-0.7)}{110}}\\\\\approx0.7\pm0.07\\\\=(0.7-0.07,0.7+0.07)=(0.63,\ 7.07)$

Hence, a 90% confidence interval for population proportion = (0.63, 7.07)

5 0

2 years ago

If you want to go bed a 800 o'clock

Tpy6a [65]

Answer:

13 hours

Step-by-step explanation:

8:00 plus 4 is twelve ( 12 o'clock )

then you have 9hrs left.

( 4+9=13 )

4 0

3 years ago

Some decimals are rational numbers and some are irrational. Which decimal does NOT represent a rational number?

Ugo [173]

Answer:

D

Step-by-step explanation:

8 0

3 years ago

During a 3-hour storm, it snow 2.5 inches. Jacob said that it snowed an average of about 8 inches per hour. What is the error?

Ad libitum [116K]

The error was the Jacob multiplied 2.5 by 3 instead of dividing. Instead it should be. $2.5 / 3 \\ 
.83 inches an hour$

3 0

3 years ago