Which expressions are equivalent?
a.3x + 5x and 8x
b.3(x + 4) and 3x + 12
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Mathematics, 21.12.2019 03:31, Reebear8372
Which expressions are equivalent?
a.3x + 5x and 8x
b.3(x + 4) and 3x + 12
a + b + a and 2a + b
m β n and β n + m
18x + 2y and 15x + 3x + 2x
3a + 4a β 10 and 17a
Answers: 3
Mathematics, 20.06.2019 18:04, luckyalita
Which expressions are equivalent to the one below? check all that apply. 25x/5x a. 5x b. 5 c. 5xβ’5x/5x d. 25x e. (25/5)^x f. (25-5)^x
Answers: 1
Mathematics, 21.06.2019 15:30, squawk1738
Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15
Answers: 2
Mathematics, 21.06.2019 19:20, alexcarrasco5903
1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- 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. 3- 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 part b?
Answers: 3
Mathematics, 21.06.2019 21:30, cassandramanuel
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
Answers: 1
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