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2 years ago

Which of the following systems of Inequalities would produce the region indicated on the graph below?

Mathematics

2 answers:

Fed [463]2 years ago

7 0

The line rising to the right has equation y = x + 2
and the other one has equation y = -x + 4

the lines are solid so the inequalities will be <= or >=

in both case the shading is below so the sign is <=

also x and Y values are both positive
so the answer is choice C

marissa [1.9K]2 years ago

5 0

Answer:

Step-by-step explanation:

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Helpp!!!? need help quick ..

stealth61 [152]

Note that

n^m*n^r=n^(m+r)

2^5*2^x=2^(5+x)

the answer is D

7 0

1 year ago

A doctor is measuring the average height of male students at a large college. The doctor measures the heights, in inches, of a s

denpristay [2]

Answer:

For this case the 95% confidence interval is given (63.5 , 74.4) and we want to conclude about the result. For this case we can say that the true mean of heights for male students would be between 63.5 and 74.4. And the best answer would be:

b. The doctor can be 95% confident that the mean height of male students at the college is between 63.5 inches and 74.4 inches.

Step-by-step explanation:

Notation

$\bar X$ represent the sample mean for the sample

$\mu$ population mean (variable of interest)

s represent the sample standard deviation

n represent the sample size

Solution to the problem

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

In order to calculate the mean and the sample deviation we can use the following formulas:

$\bar X= \sum_{i=1}^n \frac{x_i}{n}$ (2)

$s=\sqrt{\frac{\sum_{i=1}^n (x_i-\bar X)}{n-1}}$ (3)

In order to calculate the critical value $t_{\alpha/2}$ we need to find first the degrees of freedom, given by:

$df=n-1=40-1=39$

b. The doctor can be 95% confident that the mean height of male students at the college is between 63.5 inches and 74.4 inches.

3 0

2 years ago

Use the formula A=bh , where A is the area, b is the base length, and h is the height of the parallelogram, to solve this proble

Jlenok [28]

33 in because 1056 divided by 32 is 33
hope you pass your test

3 0

1 year ago

Read 2 more answers

3.274 x 10^3 as an ordinary number

Alborosie

Answer:

327.4

Step-by-step explanation:

All you have to do to simplify a number written in scientific notation is to move the decimal place to the left (if the number is negative) and to the right (if the number is positive).

4 0

2 years ago

Read 2 more answers

Which logic statement represents this argument? If it’s a weekend, I exercise. It’s not a weekend. So, I won’t exercise. Assume

geniusboy [140]

P = It is a weekend
Q = I will exercise

If "It is a weekend", then "I will exercise"
But "It is NOT a weekend"
Therefore, "I will NOT exercise"

Using P and Q our statement would look like this,
If P, then Q
But not P
Therefore not Q

Or symbolically like this:
P -> Q
~P
$\therefore$ ~Q

I'm sorry that this doesn't match up with the options you posted.
Maybe they didn't paste correctly.

8 0

1 year ago