Step-by-step explanation:
Angle y measures 90 degrees.
Answer:
C
Step-by-step explanation:
A mixed number is an integer + a fraction.
A: is correct, but not in the simplest form
B: is an improper fraction, not a mixed number.
C: is the answer in the simplest form
D: is correct but it is a reduced improper fraction.
Albert´s ftather age=x
Albert age=y
We suggest this system of equations:
y=x-24
x+8=2(y+8)
we solve this system of equation by substitution method.
x+8=2[(x-24)+8]
x+8=2(x-16)
x+8=2x-32
x-2x=-32-8
-x=-40
x=40
y=x-24
y=40-24
y=16
Answer: Albert´s father is 40 years old, and Albert is 16 years old.
Answer:
$76.51
Step-by-step explanation:
I found how much the calculator cost on clearance first. Then I found the sales tax and added them together.
