Mathematics, 18.12.2019 20:31 haelleydorethy
Which equation represents seven times a number decreased by 2 is 19? a) 7 + x - 2 = 19 b) 7x + 2 = 19 c) 2x - 7 = 19 d) 7x - 2 = 19
Answers: 1
Mathematics, 21.06.2019 21:00
Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]
Answers: 1
Mathematics, 21.06.2019 21:30
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
Mathematics, 21.06.2019 22:00
Find two consexutive odd integers such that the sum of their square is 650
Answers: 2
Which equation represents seven times a number decreased by 2 is 19? a) 7 + x - 2 = 19 b) 7x + 2 =...
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