Mathematics, 07.12.2020 16:30 Emptypockets451
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Megan argues that (5m-3)+(2m+4) models the closure property. What reasoning could Megan use to argue that addition of polynomials is closed?
A.) The coefficients of the sum are whole numbers and the
sum is a polynomial.
B.) The coefficients of the product are integers and the product is a polynomial.
C.) The exponents of the sum are whole numbers and the sum is a polynomial.
D.) The exponents of the sum are integers and the sum is a polynomial.
E.) The terms in the expression are rational numbers in the sum is a polynomial.
Answers: 3
Mathematics, 21.06.2019 17:00
In a sample of 2023 u.s. adults, 373 said franklin roosevelt was the best president since world war ii. two u.s. adults are selected at random from the population of all u.s. adults without replacement. assuming the sample is representative of all u.s. adults, complete parts (a) through (d). (a) find the probability that both adults say franklin roosevelt was the best president since world war ii. the probability that both adults say franklin roosevelt was the best president since world war ii is (round to three decimal places as needed.) (b) find the probability that neither adult says franklin roosevelt was the best president since world war ii. the probability that neither adult says franklin roosevelt was the best president since world war ii is (round to three decimal places as needed.) (c) find the probability that at least one of the two adults says franklin roosevelt was the best president since world war ii. the probability that at least one of the two adults says franklin roosevelt was the best president since world war ii is (round to three decimal places as needed.) (d) which of the events can be considered unusual? explain. select all that apply. the event in part left parenthesis a right parenthesis is unusual because its probability is less than or equal to 0.05. the event in part (b) is unusual because its probability is less than or equal to 0.05. none of these events are unusual. the event in part (c) is unusual because its probability is less than or equal to 0.05.
Answers: 3
Mathematics, 22.06.2019 03:30
Right triangle abc has three sides with lengths ab= 119, bc = 169, ca= 120. find the value of cos c. hint: draw and label the triangle. the hypotenuse is always the longest.
Answers: 2
Mathematics, 22.06.2019 08:00
Jose correctly answered 80% of the questions on a language arts quiz. if he answered 16 questions correctly, how many questions were on the language arts quiz?
Answers: 1
HELP PLS I FORGOT LOL TYSM!
Megan argues that (5m-3)+(2m+4) models the closure property. What reaso...
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