Which of the lists of letters all have rotational symmetry?
C, H, N, X
N. O.S. Z
H. J.N...
Mathematics, 12.03.2021 23:50 tmrodriguez1
Which of the lists of letters all have rotational symmetry?
C, H, N, X
N. O.S. Z
H. J.N. S
F. H. X. Z
Answers: 1
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Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?
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Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?
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John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11
Answers: 2
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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
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