To write
1
3
1
3
as a fraction with a common denominator, multiply by
3
3
3
3
.
−
2
9
−
1
3
⋅
3
3
-
2
9
-
1
3
⋅
3
3
Write each expression with a common denominator of
9
9
, by multiplying each by an appropriate factor of
1
1
.
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−
2
9
−
1
⋅
3
9
-
2
9
-
1
⋅
3
9
Combine the numerators over the common denominator.
−
2
−
1
⋅
3
9
-
2
-
1
⋅
3
9
Simplify the numerator.
−
5
9
-
5
9
Move the negative in front of the fraction.
-5/9 is the answer
Answer is D) take 5 blocks away from the left side.
There are 8 blocks on the left and only 3 on the right, 8 - 3 = 5
The price of the book is 125% higher than the price of the notebook if the price of a notebook is 20% less than the price of a book.
<h3>What is the percentage?</h3>
It is defined as the ratio of two numbers expressed in the fraction of 100 parts. It is the measure to compare two data, the % sign is used to express the percentage.
Let x is the price of the book
And y is the price of the notebook,
Then,
y = x- 0.20x = 0.80x
x = (1/0.80)y
x = 1.25y
So x is 1.25 or 125% higher than the, y
Thus, the price of the book is 125% higher than the price of the notebook if the price of a notebook is 20% less than the price of a book.
Learn more about the percentage here:
brainly.com/question/8011401
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Answer:
f(- 3) = 12
Step-by-step explanation:
Substitute x = - 3 into f(x) , that is
f(- 3) = (- 3)² - (- 3) = 9 + 3 = 12
One irrational number is π, also known as pi. A rational number is one that can be written as a ratio of two integers (whole numbers). Pi goes on forever, so it can't be written as a ratio. Therefore, π is irrational.
