Mathematics, 27.01.2022 06:50 kev71
Justify each step used to simplify the expression.
Step 1: 3x + 2y − 2x + 2 = 3x − 2x + 2y + 2
Step 2: (3x − 2x) + 2y + 2
Step 3: (3 − 2)x + 2y + 2
Step 4: x + 2y + 2
Group of answer choices
Step 1: 3x + 2y − 2x + 2 = 3x − 2x + 2y + 2
[ Choose ]
Step 2: (3x − 2x) + 2y + 2
[ Choose ]
Step 3: (3 − 2)x + 2y + 2
[ Choose ]
Step 4: x + 2y + 2
[ Choose ]
Answers: 1
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Answers: 1
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An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
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Answers: 1
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Vikram is studying the square pyramid below. on st to find the surface area of the pyramid, in square inches, vikram wrote (33.2) (34 ikram wrote (33.2)(34.2)+43(34.2)(284) what error did vikram make? o he used the same expression for the area of all four lateral faces. he used the wrong expression to represent the area of the base of the pyramid. o he used the wrong value as the height when he found the area of the lateral faces. he used an expression for surface area that only finds the total area of three faces.
Answers: 3
Justify each step used to simplify the expression.
Step 1: 3x + 2y − 2x + 2 = 3x − 2x + 2y + 2
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