why is it important to keep the two sides of an equation balanced when solving? What other properties do we use to rewrite expre
2 answers:
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Answer:
yard
Step-by-step explanation:
Length of string Mrs. Ruiz has = yard
Mrs. Ruiz needs to hang 3 banners using the string.
Having known that each banner uses same length of string to be hung we can divide total length of sting into 3 equal parts.
So, we can divide yard by 3 as
⇒
Changing the division sing to multiplication by taking reciprocal of divisor.
⇒
We can now multiply numerators and denominators.
⇒ yard
∴ Mrs. Ruiz must used yard of string for each banner.
Answer:
x > -
Step-by-step explanation:
Given
10 - 2(3x + 4) < 11 ← distribute and simplify left side
10 - 6x - 8 < 11
2 - 6x < 11 ( subtract 2 from both sides )
- 6x < 9
Divide both sides by - 6, reversing the symbol as a result of dividing by a negative quantity.
x > ⇒ x > -