Hey there! :)
5n(3n - n + 8)
Simplify.
(5n × 3n) + (5n × -n) + (5n × 8)
Simplify.
(15n²) + (-5n²) + (40n)
Remove parenthesis
**Remember : a negative times a positive is always a negative, a positive times a positive is a positive, and a negative times a negative is a positive**
15n² - 5n² + 40n
Combine like terms.
(15n² - 5n²) + 40n
Simplify.
10n² + 40n → final answer :)
~Hope I helped!~
Answer:
D 16
Step-by-step explanation:
These angles are same side angles interior angles. Same side interior angles for parallel lines add to 180 degrees.
x+55 + x+93 = 180
Combine like terms
2x +148 = 180
Subtract 148 from each side
2x+148-148 = 180-148
2x=32
Divide each side by 2
2x/2 =32/2
x = 16
Answer:
None of them are irrational.
Step-by-step explanation:
An Irrational Number is a real number that cannot be written as a simple fraction.
Therefore:
-4 can be written as -4/1
2/9 is already in fraction
8.26 can be written as 826/100
11 can be written as 11/1
None of them are irrational.
However numbers like
are irrational as they can not be represented as fractions.
Answer:
|-45|
Step-by-step explanation:
In mathematics, the absolute value of a real number is the numeric value of the number, regardless the sign, either this is positive or negative.
The absolute value function can be definied as:
- |a|=a si a ≥0
- |a|=-a si a <0
Using this definition, we have:
|-21| = -(-21) = 21
|14| = 14
|30| = 30
|-45| = -(-45) = 45
Therefore, the expression |-45| has the greatest value.
Answer:
1. R = T/3 ( R = Ruth's earnings, T = total earnings)
2. C = D - 5 ( C = Carl's age, D = Donald's age)
3. M = 35h ( M = Miles traveled, h = No. of hours )
4. S = R - 4 ( S and R = Sam and Randy's allowance respectively )
I hope this helps.