Answer: a = 
We want to isolate a. Add both sides by 2. Then we get u + 2 = 2a. To get just a, we can divide by 2 to get (u+2)/2.
Hope that helped,
-sirswagger21
answer=(x+x(f+g)(x-5^)+1
Step-by-step explanation:
Answer:
the scale factor is times 0.5
Explanation:
20 plus 10 is 30. Half of 20 is 10 so that is 0.5
It is also like that for the others
Answer:
291.87 is a rational number.
Step-by-step explanation:
Rational numbers are those numbers that can be expressed in fractions that is can be written as
where p and q are integers and
.
Consider the given number 291.87
Rewrite the decimal number as a fraction with 1 in the denominator, we get,

Multiply to remove 2 decimal places. Here, you multiply top and bottom by 10² = 100
Thus, the above fraction can be written as,
Thus, 291.87 is a rational number.