NO LINKS Solve for a: a/0.2-10=20 -6 -4 4 6
1 answer:
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Answer:
B.) 18
Step-by-step explanation:
To find the correct b value we use this formula
b² - 4ac = 0
b = What we are solving for
a = 1
c = 81
b² - 4(1)(81) = 0
b² - 324 = 0
b² = 324
b = ±18
And 18 is one of the answer choices
So B.) 18 is the correct answer.
Answer:
Step-by-step explanation:
<u>Exponential Growing </u>
Steven currently reads 2 books a year. He wants to triple the number of books read per year. The first year he should read
By the second year, he should read
By the third year, he should read
We can clearly see there is a geometric progression of the number of books he should read for the year n. The general formula is, being B the number of books read at the year n