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Olegator [25]
3 years ago
14

A watercooler contains 160 cups of water. During practice, each person on a team fills a

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0
Yes, because 3 1/3 times 45 equals 150 which leaves 10 cups left over:
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Last spring, the drama department at Manchester High School had 12 students audition for the musical. This spring, there were 15
tamaranim1 [39]

Answer:

25%

Step-by-step explanation:

The percent of increase can be calculated using following formula:

\text{Percent Increase}=\dfrac{\text{Final Amount-Initial Amount}}{\text{Initial Amount}}\cdot 100\%.

In your case,

  • Initial amount = 12 students;
  • Final amount = 15 students,

then

\text{Percent Increase}=\dfrac{15-12}{12}\cdot 100\%=\dfrac{3}{12}\cdot 100\%=\dfrac{1}{4}\cdot 100\%=25\%.

3 0
3 years ago
Find the value of 3x + 2 when 7 + x = 5
Stells [14]
Work out the second equation first.
7 + x= 5
-7      -7
   x = -2
Plug in x.
3(-2)+2=?
  -6+2=4
6 0
3 years ago
How should I explain how I got my answer?
Ierofanga [76]

Answer:

What is meant by "Explain your answer?"

   On tests & problem sets students are often asked to explain the reasoning behind their answers. They are often frustrated and/or confused by “explain.” What & why are they supposed to explain? Here is one answer:

   It isn't enough to get the right answer -- you have to be able to explain how you got it. To be sure you get enough practice at explaining yourself, it pays to discuss the questions with your fellow students and/or to write out explanations of your reasoning. You need to both

           (1) Include the right facts, principles, etc., AND

           (2) Explain the logic that you used to solve the problem. How did you get from the facts to the answer?

   It is not sufficient to pile up unselected facts (even if they are correct), OR just to state the facts (even if they are the right ones), without explaining how they relate to the problem at hand, OR to just explain the logical train of thought (even if it is correct), without any specifics.

   That's what you shouldn't do. What should you aim for??

   Try to explain as if you were talking to a fellow student in the class who is generally intelligent, prepared, etc., but can't figure out this particular question.  In other words, explain your reasoning step by step.  Don't just repeat all the related facts in the book or notes--try to pick out the important, relevant points, put them in logical order, and explain (or diagram) how one leads to the next. (In other words, pretend you are writing a simple* answer key.)

*Note: The keys provided after each exam or problem set are usually quite complex and go beyond what we expect from an individual student. The posted keys tend to be so long and involved because they include not only correct answers (& explanations) but also explanations of common student misconceptions.

How to Get the Most out of Explaining

   When you explain things to yourself, or to others, try not to use pronouns. Use nouns instead. This may sound silly, but it really helps you to be sure that you understand what you are saying. If you use pronouns or vague terms you can fool yourself into thinking you understand when you really don't. An example: Suppose you say "The gene is transcribed and it goes to the cytoplasm and is translated, which uses tRNA and mRNA." What do you mean by it and/or which?  Is it the gene or the mRNA? Does which refer to translation or transcription? Sometimes you know, and you are just using shorthand. But sometimes you don't know, and you don't even realize it until you are forced to pick the right terms to replace "it" and "which."  So try to be as specific as possible instead of as vague and as general as possible. Being specific has multiple advantages. It helps you to learn, it helps listeners understand what you are saying, and it helps graders on exams know that you really understand what you are talking about.

7 0
3 years ago
What's the midpoint of a line segment joining the points (5, –4) and (–13, 12)?
ELEN [110]
The answer is A. (-4,4)
3 0
2 years ago
Use factor form to find the x-intercepts y=x^2+11x+24
VashaNatasha [74]

Answer:

(8,0) and (3,0)

Step-by-step explanation:

6 0
3 years ago
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