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This is a lesson in order of operations...
PEMDAS- parentheses, exponents, multiplication, division, addition, and subtraction... That is the order in which you have to proceed during any math problem..
Your question gives an excellent example of why.
8x3+4=
in this question, we would do multiplication then addition for the answer...
24 + 4 = 28
Now the other one
8 x (3+4) =
in this expression, we would do what is inside the parentheses first, the addition. Then we would multiply...
8x 7 = 56
You see we have the same numbers and we are performing the same operations, but the difference is in the order that we perform them. As you can see it does make a difference because we get a different result.
28 vs 56
Answer:
The yearly rate of appreciation of the comic book is r=0.017 or r=1.7%
Step-by-step explanation:
we have
This is a exponential function of the form
where
a is the initial value
b is the base
In this problem
a=$1,350
b=1.017
Remember that
b=1+r
so
1+r=1.017
r=1.017-1=0.017
therefore
The yearly rate of appreciation of the comic book is r=0.017 or r=1.7%
Answer:
The found values are:
A = 1/3
B = -8/3
Step-by-step explanation:
We know that general equation is given by:
y = mx + c
where m is the slope and c is a constant.
x + 3y = -5
y = -(1/3)x - 1/3(5)
Slop of the equation is -(1/3). As parallel line have same slope, substitute it in the first equation:
Ax + By = 3
By = -Ax - 3
By = (1/3)x - 3
Hence, A = 1/3
Substitute point (-7,2) into the equation:
B(2) = (1/3)(-7) -3
B(2) = -7/3 - 3
B(2) = -16/3
B = -16/6
B = -8/3
