Simplify the expression: 3(5x)
1 answer:
Answer: +15x
Explanation: Don't be thrown off if a variable like <em>x</em> is introduced in a multiplication problem that involves positives and negatives.
To simplify (+3) (+5x), it's important to understand that a positive times a positive is a positive. So (+3) (+5x) is +15x.
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The correct answer is 19 :)
Answer:
Looks like <u>inverse property of addition </u>to me
(n+5)^2=48
sqrt both sides
n+4=+/-4√3
minus 4 both sides
n=-4+/-4√3
-4+4√3>0 so this cannot be the value of n
n=-4-4√3
the number is -4-4√3
Area of Rectangle is:
Area of Square:
Area of triangle:
b= base
h= height
