MATHEMATICS HIGH SCHOOL

Identify whether root 75 is rational number and irrational number​

Answers

Answer 1
Answer:

Answer:rational

Step-by-step explanation:

its a whole number

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Initially a pool contains 350 gallons of water. A hose is placed in the pool and the water is turned on. The hose adds 5.2 gallons of water per minute. Model the total amount, V, of water in the pool for x, the number of minutes the hose has been on.a. V(x) = 5.2xb. V(x) = 350x - 5.2c. V(x) = 350x + 5.2 Eliminated. V(x) = 5.2x + 350
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HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!how do the liver and pancreas help complete chemical digestion?

Answers

The pancreas produces enzymes that help digest proteins, fats, and carbohydrates. It also makes a substance that neutralizes stomach acid. The liver produces bile, which helps the body absorb fat. Bile is stored in the gallbladder until it is needed. These enzymes and bile travel through special channels (called ducts) directly into the small intestine, where they help to break down food
he pancreas produces the proteases trypsin and trypsinogen which digest proteins into smaller peptide units while carboxypeptidase can digest peptides to amino acids though it's not the main enzyme for this task.

Lipase digests triglyceride fats into their constituent fatty acids and glycerol while amylase breaks down starch into two or three glucose units (maltose and maltotriose) plus small branched glucose units (maltidextrins). 

The panceras also secretes bicarbonate to neutralise the acid contents coming from the stomach and create an alkaline environment which enables pancreatic and small intestine enzymes to work at their optimal speed. 

The liver contributes no digestive enzymes just bile which emulsifies the fats, breaks them up to smaller drops, so as to increase the surface area on which the enzymes can act thus speeding up their digestion.

Hi please help with a few (mean, median) math questions!1. A student wants to report on the number of movies her friends watch each week. The collected data are below:

1ST PIC ATTACHMENT

Which measure of center is most appropriate for this situation and what is its value?
Median; 1.5
Median; 3
Mean; 1.5
Mean; 3


2. If the outliers are not included, what is the mean of the data set?

76, 79, 80, 82, 50, 78, 83, 79, 81, 82

77
78
79
80

3. Given the box plot, will the mean or the median provide a better description of the center?

2ND PIC ATTACHEMENT

The mean, because the data distribution is symmetrical
The mean, because the data distribution is skewed to the left
The median, because the data distribution is skewed to the left
The median, because the data distribution is skewed to the right

4. When the outliers are removed, how does the mean change?

3RD PIC ATTACHEMENT

The mean remains the same.
The mean decreases by 2.
The mean increases by 2.
There are no outliers.

Answers

1.rearrange your data from least to greatest:
0,0,1,1,2,2,2,14 

middle is 1 and 2 ... so median is 1+2/2= 1.5 and  it is the  median not the mean
2.I believe the only outlier is 50. Finding the mean would be 80.11.
The answer would be D
3.D. Mean always goes toward the skewness due to outliers.
Median is minimally affected by outliers.
4.We remove an outlier because we can simply assume that there was some type of extreme experimental error, or something went wrong. The mean shouldn't be effected that much, but the median will be greatly effected.

Levi runs cross country. He runs 5 miles in 45 minutes. He runs 20 miles in 180 minutes. If he keeps the same pace, how long will it take him to run 12 miles?

Answers

Answer:

It will take 108 minutes to Levi  to run 12 miles

Step-by-step explanation:

Hi

Formulas

(1) velocity=(distance)/(time) and (2) time=(distance)/(velocity)

Using (1) we can conclude that velocity=(5miles)/(45minutes)=(1)/(9)mil/min in the first case, and for the second  velocity=(20miles)/(180minutes)=(1)/(9)mil/min, is the same.

Finally using (2) time=(12 mil)/((1)/(9)mil/min)=108min, is the time that will take to Levi to run 12 miles.

Trying to write an equation for line on graph without any numbers given to plug into for slope

Answers


In that situation, you use the information you DO have.  It's not always
enough to do the job.  But often it is, and in that case, you use what you
do have to answer the question or solve the problem.

Sadly, I can't be any more specific than that.  You haven't told us what
information you do have ... only what information you don't have.


Final answer:

The equation for the line is y = 3x + 9.

Explanation:

The equation for a line can be written in the form y = mx + b, where m represents the slope and b represents the y-intercept. In this case, since the slope is 3 and the y-intercept is 9, the equation for the line is y = 3x + 9.

Learn more about Equation of a line here:

brainly.com/question/21511618

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The variables x and y are directly proportional, and y=2 when x=3. What is the value of y when x=9

Answers

If\ x\ and\ y\ are\ directly\ proportional\ then\ (y)/(x)\ is\ constans\n---------------------------\n\n(2)/(3)=(y)/(9)\n\ncross\ multiply\n\n3y=2*9\n\n3y=18\ \ \ \ |divide\ both\ sides\ by\ 3\n\ny=6
you cross multiply and you should get i think 6?

Express the area A of a rectangle as a function of the length x if the length of the rectangle is twice its width.

Answers

A = L  x  W
L = x
L = 2 W
W = L/2 = x/2
A = x * x / 2
A = x² / 2
Answer:
The area of a rectangle is x²/2.
The function is 2/3 and 4/28
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