Multiply.-4.6(6.8x - 2.4y - 1.1)
A. -31.28x - 2.4y - 1.1
B. -31.28x + 11.04y - 1.1
C. -31.28x + 11.04y + 5.06
D. -31.28x - 11.04y - 5.06
Answer: C
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Solve.An object is at rest at t = 0 seconds and then begins accelerating at a constant 8 feet per second per second. The distance the object travels in the first t seconds is given by the polynomial 4t2. Find the distance the object travels in the first 3 seconds.
A. 24 feet B. 36 feet C. 12 feet D. 9 feet
Provide an appropriate response.Classify the sum of ?1 and ?2.
A. complementary B. acute C. right D. supplementary
Rationalize the denominator of the expression.
?
What will be an ideal response?
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 4.50 years B. 450.25 years C. 40.50 years D. 45.03 years.