Solve the problem.How many liters (L) of a 10% silver iodide solution must be mixed with 9 L of a 4% silver iodide solution to get a 6% solution?
A. 4.5 L
B. 5.5 L
C. 3.5 L
D. 9.0 L
Answer: A
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Find values for the variables so that the matrices are equal.
= 
A. x = 5; y = -6; z = 3 B. x = 5; y = -6; z = -2 C. x = -6; y = 5; z = 3 D. x = 5; y = -2; z = 3
Find the angle between v and w. Round your answer to one decimal place, if necessary.v = -5i + 7j,
w = -6i - 4j
A. 88.2° B. 20.7° C. 110.8° D. 90.9°
Use the commutative and/or associative laws to write a series of steps verifying the given statement.s(t8) is equivalent to 8(ts)
What will be an ideal response?
Solve the problem.The cost y to produce x outdoor glider benches is given by the equation y = 1.4x + 360 and the revenue y from the sale of these benches is given by the equation y = 2x. Find the break-even point to determine the cost/revenue when the company breaks even. Round to the nearest dollar, if necessary.
A. $212 B. $133 C. $1200 D. $600