Answer:
-2.1f-18
Step-by-step explanation:
-2.4f+0.3f=-2.1f.
-16-3=-19
Answer:
She has $37 out of $50, which can be written as a fraction, 37/50.
In order to be written as a decimal, then we need something like 1/10, which is 0.1, or 5/100, which is .05.
So, 37/50 = ?/100
The easiest way for me to do this problem is to look at our denominators. 50 x 2 = 100, right? This means we need to multiply 37 x 2 to get the missing numerator. 37 x 2 = 74.
Now, how do we write 74/100 as a decimal? .74
Answer:
No. 5x and 5x² are not like terms.
When a variable is raised to two different powers, they can not be added together.
Another way to look at it is to note that:
5x + 5x² ≡ 5x(1 + x)
It is more obvious there that 1 and x are not like terms, thus neither are 5x and 5x², though they do have common factors.
7x + 5(x + 3) + 4x + x + 2 =
= 7x + 5x + 15 + 4x + x + 2 = 17x + 17
