Mathematics, 26.11.2020 04:50, breahk12
Mark is solving the following system. x+y+z= 2 (1) 3x+2y+7=8 (2) 4x-y-77 = 16 (3) Step 1: He multiplies equation (1) by 7 and adds it to equation (3). Step 2: He multiplies equation (3) by 2 and adds it to equation (2). Which statement explains Mark's mistake?
Answers: 2
Mathematics, 21.06.2019 17:30, 21villalobosjabez
Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.
Answers: 2
Mathematics, 21.06.2019 17:30, mduncan840
The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?
Answers: 1
Mathematics, 21.06.2019 19:20, cody665
1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?
Answers: 2
Mathematics, 21.06.2019 19:20, laidbackkiddo412
Find the area of an equilateral triangle with a side of 6 inches
Answers: 2
Mark is solving the following system. x+y+z= 2 (1) 3x+2y+7=8 (2) 4x-y-77 = 16 (3) Step 1: He multipl...
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