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Semmy [17]
3 years ago
9

How do you know where to put the parentheses in an equation?

Mathematics
2 answers:
ziro4ka [17]3 years ago
7 0
Parentheses are used to identify which numbers you should add,multiply .ect first. So If i had

12-(3+1)=x    

then you would want to solve 3+1 before you subtract 12.
Westkost [7]3 years ago
7 0
So its like you have an answer to a problem and put the parentheses 

all you need to do is just try out different combinations of n \umbers to do first and then do the number(s) outside

hope I helped :D
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A shoemaker makes 15,200$ and 912$ in commission (included in 15,200). What is the percent he made in commission to he whole amo
kodGreya [7K]

The total amount of money he only made is calculated by the formula:

amount made = 15,200 – 912

amount made = 14,288

 

Therefore the percentage commission was:

% commission = 912 / 14,288 * 100%

<span>% commission = 6.38 %</span>

6 0
3 years ago
Help me PLEASE!!!!!<br><br> 3x = 27<br><br> x = ? <br><br> Thank you!!
steposvetlana [31]
We will use the INVERSE OPERATION of multiplication which is division. Lets do it:-

3x = 27
27 ÷ 3 = x
27 ÷ 3 = 9
x = 9

CHECK OUR WORK:-

3x = 27
x = 9
3 · 9 = 27
We were RIGHT!!!!!

So, x = 27.

Hope I helped ya!!! xD
6 0
3 years ago
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7,000,000 + 600,000 + 70,000 + 2,000 + 500 + 30 + 1 in standard form?
nlexa [21]
7,672,531 is the answer
4 0
3 years ago
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A first play of football game resulted in a loss of 12.5 yards. Then a penalty resulted in another loss of 5 yards. What is the
lions [1.4K]
The total loss is 17.5 yards.
8 0
3 years ago
△ABC is a right triangle. m∠A = 32° m∠B=90°; AC = 9 and AB=5. Choose the expression used to find BC?
Westkost [7]

Answer:

Step-by-step explanation:

The diagram of the right angle triangle is shown in the attached photo.

From the given right angle triangle,

AC represents the hypotenuse of the right angle triangle.

With m∠32 as the reference angle,

BC represents the adjacent side of the right angle triangle.

AB represents the opposite side of the right angle triangle.

To determine BC, we would apply

the Sine trigonometric ratio which is expressed as

Sin θ= opposite side/hypotenuse. Therefore, the expression used to find BC is

Sin 32 = BC/9

BC = 9Sin32

5 0
3 years ago
Read 2 more answers
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