Mathematics, 29.07.2019 16:40 spazzinchicago
2) the sum of the measures of angle x and angle y is 90. if the measure of angle x is 30 less than twice the measure of angle y, what is the measure of angle x? a) 20 b) 35 c) 50 d) 65 3) the yearbook club is having a bake sale to raise money for the senior class. large cupcakes are sold for $1.25 each and small cupcakes are sold for $0.75 each. if 105 cupcakes were sold for a total amount of $109.75, how many large cupcakes did the yearbook club sell? a) 43 b) 55 c) 62 d) 16 4) solve the following system of equations using substitution. what is the value of y? 2x+3y=105 x+2y=65 a) 15 b) 20 c) 40 d) 65
Answers: 2
Mathematics, 21.06.2019 19:00, mcccreamullinsr
How can you tell when x and y are not directly proportional?
Answers: 1
Mathematics, 22.06.2019 00:00, egirl7838
Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?
Answers: 2
2) the sum of the measures of angle x and angle y is 90. if the measure of angle x is 30 less than t...
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