The half-life of cobalt-60 is 5.3 years. What is the decay rate? As a percent, round to two decimal places.
What will be an ideal response?
13.08% per year
Mathematics
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Solve the problem.A rectangular box with volume 327 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 4x + 
B. C(x) = 3x2 + 
C. C(x) = 3x2 + 
D. C(x) = 2x2 + 
Mathematics
Perform the indicated operation. Simplify if possible.
- 
A. 8a B. 16b C. 4b D. 0
Mathematics
Identify the triangle PQR as isosceles, equilateral, or scalene.P(14, -14), Q(-14, 14), R(-14
, -14
)
A. Equilateral B. Scalene C. Isosceles
Mathematics
Evaluate.log
A. -5
B. 
C. -1
D. - 
Mathematics