A system of equations is shown.
x−y=−8
x+y=4
Which is a method that can be used to eli...
Mathematics, 30.04.2021 01:00 blaizelange2573
A system of equations is shown.
x−y=−8
x+y=4
Which is a method that can be used to eliminate a variable? Select all that apply.
a)Add the terms in the bottom equation to the terms in the top equation to eliminate y
b)Multiply the terms in the bottom equation by 2 and add the resulting terms in the top equation to the terms in the top equation to eliminate x
c)Subtract the terms in the top equation from the terms in the bottom equation to eliminate x
d)Multiply the terms in the bottom equation by 4 and subtract the resulting terms in the bottom equation from the terms in the top equation to eliminate y
Answers: 3
Mathematics, 21.06.2019 12:30, BigDaddy1220
Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined
Answers: 3
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
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