Mathematics, 27.07.2019 04:00 mat1413
Sam bought 2 model airplanes and 6 toy cars. he paid $17 total. marissa bought 2 model airplanes and returned 10 toy cars. she paid $9 total. a system of equations that represents their purchases and returns is shown below, where x represents the cost of a model airplane and y represents the cost of a toy car. 2x+6y=17 2x-10y=9 select the equations that could represent 2x+6y=17 and still produce the same answer to the system of equations, if 2x+(-10y)=9 were multiplied by 2 and added to 2x+6y=1 a. 6x-14y=35 b. 4x+12y=-34 c. x-16y=26 d. -2x+26y=-1
Answers: 1
Mathematics, 21.06.2019 18:10
Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .
Answers: 1
Mathematics, 21.06.2019 19:20
Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5
Answers: 1
Mathematics, 21.06.2019 19:30
Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Sam bought 2 model airplanes and 6 toy cars. he paid $17 total. marissa bought 2 model airplanes and...
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