Mathematics, 21.11.2019 20:31 yolomcswaggin20
The work of a student to solve a set of equations is shown below: equation 1: x + 2y = 10 equation 2: 2x + 5y = 15 step 1: −2(x + 2y) = −2(10) 2x + 5y = 15 step 2: −2x − 4y = −10 2x + 5y = 15 step 3: 1y = 5 step 4: x + 2(1) = 10 step 5: x = 8 in which step did the student first make an error?
Answers: 1
Mathematics, 21.06.2019 18:30, lealiastentz532542
The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.
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Mathematics, 21.06.2019 21:00, leannaadrian
2x minus y equals 6, x plus y equals negative 3
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Mathematics, 22.06.2019 00:20, brainist71
Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h
Answers: 3
The work of a student to solve a set of equations is shown below: equation 1: x + 2y = 10 equation...
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