Mathematics, 18.01.2020 08:31 crystalpearl188
An english class consists of twenty students, and four are to be chosen to give speeches in a school competition.
in how many different ways can the teacher choose the team, given the following conditions?
(a) the order of the speakers is important.
(b) the order of the speakers is not important.
Answers: 2
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Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.
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Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.
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26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition
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One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90
Answers: 1
An english class consists of twenty students, and four are to be chosen to give speeches in a school...
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