Mathematics, 26.09.2019 01:00 jimmyjimjim
Question 1
a system of equations is shown below:
n = 3m + 6
n − 2m = 2
what is the solution, in the form (m, n), to the system of equations?
(−4, −6)
(−5, −9)
(2, 6)
(1, 8)
question 2
the incorrect work of a student to solve an equation 2(y + 6) = 4y is shown below:
step1: 2(y + 6) = 4y
step 2: 2y + 8 = 4y
step 3: 2y = 8
step 4: y = 4
which of the following explains how to correct step 2 and shows the correct value of y?
2 should be distributed as 2y + 12; y = 6
2 should be distributed as 2y + 12; y = 3
the equation should be y + 6 = 4y after division by 2; y = 2
the equation should be y + 6 = 4y after division by 2; y = 1
question 3
the equation 3.3x − 6.6 = 2.7x can be transformed to form which of the following expressions?
6.0x = 6.6
0.6x = 6.6
6.0x = −6.6
0.6x = −6.6
Answers: 2
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Question 1
a system of equations is shown below:
n = 3m + 6
n − 2m = 2
wha...
a system of equations is shown below:
n = 3m + 6
n − 2m = 2
wha...
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