Mathematics, 22.08.2019 19:30 powerserg2325
Suzy was adding numbers on a number line. she started at –2 and then she added –3. she wrote that her answer was +5.
is suzy's answer reasonable?
a.
yes, it is reasonable because if you add two numbers, you will get a number that is greater than either of the two numbers.
b.
no, it is not reasonable because if you start at –2, you would move 3 places to the left and get –5.
c.
no, it is not reasonable because if you start at –2, you would move 3 places to the right and get +1.
Answers: 2
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Name the most appropriate metric unit for each measurement
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Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
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Mathematics, 21.06.2019 20:30
Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.
Answers: 1
Suzy was adding numbers on a number line. she started at –2 and then she added –3. she wrote that he...
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