Answer:
-1 <= x <= 1
Step-by-step explanation:
√((1-2x+x^2)+2-2x^2)
= √((1-x)^2 + 2*(1-x)(1+x) )
điều kiện là 1 - x > =0 và 1+x >=0
giải 2 bất phương trình trên ta thu đc kết ququả
Answer:
Five times the difference of n and four plus seven
Step-by-step explanation:
Five times the difference of n and four plus seven
perimeter is 2L+2W
problem states width = 5L+13
so plug that in for w:
P=2L+2(5L+13)
now simplify
P=2L+10L+26
P=12L+26
Answer: Candace ate 
servings.
Step-by-step explanation:
Given: Candace ate 
cup of cereal.
The box of cereal states that 1 serving of cereal = 
cup.
i.e. 1 cup = 
servings [Multiply both sides]
⇒ 
cup = 
servings
= servings [which is the number of servings she ate]
Hence, Candace ate servings.
