Clare used linear combination to solve the equations shown. she did so by multiplying the second equation by a certain number to eliminate the x-terms. what number did clare multiply the second equation by?
{x - y = 5
{0.5x + 0.1y = 8.5

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

What is the circumference of the pie

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical