Which statement best explains if the graph correctly represents the proportional relationship y = 0.5x?

Mathematics

2 answers:

ddd [48]2 years ago

4 0

Answer:

A looks right too meeeeee

Tasya [4]2 years ago

3 0

Answer:

Yes, the points shown on the line would be part of y = 0.5x

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1. A study of college freshmen found that students who watched TV for more than one hour each night gained 15 pounds in the firs

umka21 [38]

Answer:

C. They most likely used an observational study asking students to keep track of their TV habits and weight.

A. This is an experiment because a treatment was applied to a group.

Step-by-step explanation:

According to our question:

1. The study concluded that there is a relation between watching TV and the weight gain in college freshmen.

Now, this is possible when a group of college students were asked to participate to watch TV for more than 1 hour for a specific amount of time and have a record of their weights.

So, the study is an observational study where the habits and weights of college students were observed.

Hence, option C is correct.

2. The students were divided onto two groups where one group used the computer program and the other did not to check the improvement in the reading levels.

This means that the students were given a procedure to follow during the study in order to see the results..

So, the study is an experiment where a treatment is applied to the group of students.

Hence, option A is correct.

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2 years ago

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Antwon makes hot chocolate by mixing 2 cups of milk with 5 tablespoons of cocoa.

Yuki888 [10]

Answer:

2.5 tablespoons of cocoa

Step-by-step explanation:

if 2 cups of milk is originally used then you use 1 well 2 divided by 2 equals 1 and 5 divided by 2 equals 2.5 so you would use 2.5 tablespoons of cocoa

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3 years ago

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-16+ the quotient of a number and -4 is -3

ASHA 777 [7]

-16+-x/4=-3
-x/4=13
-x=52
x=-52

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3 years ago

Ann, Chang, and Kareem sent a total of

Gnoma [55]

It is given in the question that

Ann, Chang, and Kareem sent a total of 89 text messages over their cell phones during the weekend. Ann sent 9 fewer messages than Chang. Kareem sent 3 times as many messages as Ann.

Let number of messages Chang sent be x. And Ann sent 9 fewer than Chang, so Ann sent (x-9) messages. And Kareem sent 3 times as many messages as Ann, so Kareem sent 3(x-9) messages.

And the total messages are 89. That is

$x+x-9+3(x-9)=89$