Answer:
Your first instinct might be to go ahead and add the x terms together, BUT this would be a bad thing to do! You cannot combine the x2 and 2x, because the first term has an exponent (2) and the second one does not have an exponent; therefore, you cannot add them together!
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
In this case, Luis has 6 quarters, and 3 dimes. 6 - 3 = 3, and it works out to the following:
6 • 0.25 = 1.50
3 • 0.10 = 0.30
1.50 + 0.30 = 1.80
Answer:
Step-by-step explanation:
P = m/v
Where p is density m is mass and v is volume
Putting values of m and v
P = 52.4/ 13.5
P =3.88
Answer: C. 42
Step-by-step explanation:
(3x + 3) is the same angle as 129.
So, you have to equal them to each other.
3x + 3 = 129
Now you solve.
Subtract 3 from each sides.
3x = 126
Divide 3 from each side.
x=42
Answering is 20:
Step-by-step explanation:
Because it takes her 5 min for a half of mile so add it up and you get 20