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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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Use the table to work out the values of a, b, c, and d.
Phoenix [80]

Answer:

aaaaaaaaa x=3-2y

7 0
3 years ago
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How do I solve this????
Arlecino [84]
Let's say the numbers are "a" and "b"
hmm say "a" is the smaller, and "b" the greater

so "b" is "4 more than 5 times" "a"

so... 5 times "a" is 5*a or 5a
4 more than "that", will be "that" + 4
or
5a + 4

so.. whatever "a" is, "b" is 5a+4

now, their sum is 22, as opposed to "zz" hehe

so       \bf \begin{cases}
a+b=22\\
--------------\\
\boxed{b}=5a+4\qquad thus\\
--------------\\
a+\boxed{5a+4}=22
\end{cases}

solve for "a", to see what the smaller one is

what's "b"?  well, b = 5a + 4
3 0
3 years ago
Find the slope for the following pair of points:<br><br> (10,4) and (-2, 17)
Vinil7 [7]
F(b)-F(a)/b-a
A=10 B= -2
F(a) =4 F(b)=17
17-4/-2-10
13/-12
8 0
3 years ago
Given points A – 2,1) and B(4,5), find the coordinates of point P along the directed line
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2 years ago
The overhead reach distances of adult females are normally distributed with a mean of 202.5 cm and a standard deviation of
bezimeni [28]

Answer:

C. The normal distribution can be used because the original population has a normal distribution.

Step-by-step explanation:

When the original population has a normal distribution, we can use the normal distribution to solve the exercise.

In this problem, we have that:

The original population are the adult females.

The problem states that:

The overhead reach distances of adult females are normally distributed with a mean of 202.5 cm and a standard deviation of

7.8 cm.

So the correct answer is

C. The normal distribution can be used because the original population has a normal distribution.

5 0
3 years ago
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