Provide an appropriate response.A chemist has two solutions that contain different concentrations of hydrochloric acid. One is a 20% concentration and the other is a 12% concentration. How many cubic centimeters of each should he mix to obtain 100 cc with a concentration of 15.2%?
What will be an ideal response?
40 cc of 20%; 60 cc of 12%
Mathematics
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Use scientific notation to solve the problem.The national debt of a small country is $6,440,000,000 and the population is 2,794,000. What is the amount of debt per person?
A. $2.30 × 106 B. $2.30 × 103 C. $23.00 D. $2.30
Mathematics
Between the pair of numbers, insert the appropriate sign: <, =, or >.
A. < B. = C. >
Mathematics
Provide an appropriate response.An approximation of one root of 
- 2x3 + 5 is x1 = 1. Apply Newton's method twice to find an approximation to the root of the polynomial.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Determine if the given value is a solution to the given equation.8,
= -4
A. Yes B. No
Mathematics