Answer: 12%
<u>Step-by-step explanation:</u>
= 
= -0.12
= 12% decrease
Answer: (-2+√5), (-2-√5)
Step-by-step explanation:
<u>1.</u> Reference the formula: [(-b±(√b^2-4ac))/2a]
<u>2.</u> Plug in the values from the equation: [(-4±(√16+4))/2]
<u>3.</u> Simplify: [(-4±(√20))/2]
<u>4.</u> Simplify the root: [(-4±(2√5))/2]
<u>5.</u> Simplify the fraction: [-2±√5]
<u>6.</u> There's your answer: (-2+√5), (-2-√5)
Answer:
.9 or 90%
.1 or 10%
Step-by-step explanation:
E= Exam
P=Paper
E= .71
P= .45
E∩P=.26
A.) E∪P=?
E∪P= E+P-E∩P
.71+.45-.26= .9
B.) E'∩P' = (E∪P)'
(E∪P)' = 1-.9 = .1
What's a bulky..?? My imagination is running wild.
Anyway, after last month, 2/3 of the houses are left, or 45*2/3=30 houses.
This month, 1/5 of those were sold leaving 4/5*30=24 houses.
24 houses are left to be sold.
Hope this helps!
Your fortune is "Ask your mom."
36 because 6 to the second power is 36
