pedro took a total of 40 quizzes over the course of 5 weeks. how many weeks of school will pedro have to attend thsi quarter bef
1 answer:
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Answer:
5 & 1
Step-by-step explanation:
We can use the quadratic formula to solve this:
Quadratic Formula =
So we will have 2 answers (roots).
a is the coefficient of x^2 (2)
b is the coefficient of x (-12)
c is the constant (10)
Now, substituting, we get:
x =
Hence the roots are 5 & 1
The right answer is 19.9
Step-by-step explanation:
Given data set is;
(18, 23, 17, 25, 15, 18, 18, 16, 27, 25, 18, 19)
Sum of terms = 18+23+17+25+15+18+18+16+27+25+18+19 = 239
Number of terms in data set = 12
Average =
Average =
Average = 19.91
The average of data set is 19.91
The right answer is 19.9
Keywords: average, addition
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