Determine if the given ordered triple is a solution of the system.(-2, -5, 0) x - y + 2z = 14x+ z = -2 x + 2y + z = -12
A. solution
B. not a solution
Answer: B
Mathematics
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Find the perimeter of the figure.A rectangle 2.6 in. × 9.4 in.
A. 10.4 in.2 B. 24 in. C. 48.88 in. D. 12 in.2
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Write the rational expression in lowest terms.
A. -m B. m C. -(m + 6) D. m + 6
Mathematics
Use integration by parts to find the integral. Round the answer to two decimal places if necessary.
dxGive your answer in exact form.
A. -6e-7 + 1 B. -8e-7 + 1 C. -8e-7 D. -8e-7 - 1
Mathematics
Solve the problem.Chandra has 5 liters of a 40% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 8 liters of 28% solution?
A. 3 L of 8% solution B. 3 L of 6% solution C. 3 L of 11% solution D. 3 L of 9% solution
Mathematics