Answer:
more the letter x is often used in algebra to mean a value that is not yet known is is calld a variable or sometimes an unknown. in x+2=7,x is a variable but we can work out its value if we try
Answer
Write an expression for the number of pencils Maggie gives to jamil.
To prove
Let us assume that the number of pencils Katie have = x
As given
Katie gives Maggie half of her pencils.

As given
Maggie keeps 5 and gives the rest to jamil.
Thus

Therefore the expression for the number of pencils Maggie gives to jamil are
.
Answer:225 jeans.
Step-by-step explanation: What we need to do here is convert the number of jeans to a percentage. There were 25 jeans when 50 customers were surveyed and 25 is half of 50 or 50%. This means that if 450 pairs of pants are ordered half of them should be jeans. 450/2 = 225.
Answer:
y=(y\x - 10j\x) x+j•10
Step-by-step explanation:
its up there
Answer:
Triangle
Step-by-step explanation: