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QveST [7]
3 years ago
14

How can parentheses be added to the following equation to make it true?

Mathematics
1 answer:
Viktor [21]3 years ago
5 0

Answer:

8 - (3 x 2) - (1 + 1) = 0

or

8 - 3 x 2 - (1 + 1) = 0

Remember PEMDAS.

If I put parenthesis around 3 x 2, I get 6.

But 8 - 6 = 2

How can we make 2 - 1 + 1 = 0?

If we look at PEMDAS, we know (2 - 1) + 1 = 2, but the answer needs to be 0.

So now try 2 - (1 + 1) and that gives me 0.

And it says parentheses...but you can also do 8 - 3 x 2 - (1 + 1) = 0.

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Your school is planning a field trip to the zoo. There are two different bus companies that the school can use.
8090 [49]

Answer:

4 students can go to the first one then 2 students can go the second bus

Step-by-step explanation:

$39×4= 156

$79×2=158

5 0
3 years ago
Find the slope of a line that goes between points (2, 4) and (5, 7).
yawa3891 [41]

Answer:

Step-by-step explanation:

\frac{7-4}{5-2}=\frac{3}{3}= 1

4 0
3 years ago
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Sweet tea has 2 orange picks for every 5 green. I'd there are 21 picks in all, how many picks are orange?
loris [4]
21=5+2+5+2+5+2
So their are 6 orange picks
6 0
3 years ago
Is the relation shown in the arrow diagram a function? Explain. *<br> (NEED HELP ASAP)
Paraphin [41]

Answer:

It is a function.

Step-by-step explanation:  Each input has only one output.

4 0
3 years ago
Suppose you are conducting a study to determine if women are better drivers than men. You send your survey to over 1000 students
julsineya [31]

Answer:

555.56

Step-by-step explanation:

Purpose of the study:  To determine if women are better drivers than men.

Survey or Opinion population:  1,000

You are experimenting on 9 out of a thousand opinions.

5 of these opinions are that women are better drivers

4 of these opinions are that women are not better drivers

You want to know the <em>sample</em> (full sample size is 9) <em>proportion</em> for women as better drivers; using the large sample method. This method is also called the asymptotic method.

This involves approximating the desired statistic, with just a small fraction of the population; in this case, 9/1000.

This approximation will get more and more accurate as sample size increases and you know that a larger sample size gives a better representation and interpretation of the population preference!

So using ratio, the sample proportion for women as the better drivers is given by:

5/9 x 1000   = 555.56 opinions

8 0
2 years ago
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