Mathematics, 28.11.2019 02:31 dlatricewilcoxp0tsdw
Juan used the expression 16 – 9 – 12 + 22 to find his profit for days 2 and 3. he rewrote the expression as 16 + (–9) + (–12) + 22.
juan can use the associative and commutative properties to rewrite the expression again. explain why he had to use the additive inverse before he could use these properties.
Answers: 1
Mathematics, 21.06.2019 14:00, ASTROBOY1
Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?
Answers: 2
Mathematics, 21.06.2019 20:30, nosugh
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.
Answers: 2
Juan used the expression 16 – 9 – 12 + 22 to find his profit for days 2 and 3. he rewrote the expres...
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