gabedafame26
14.12.2019 •
Mathematics
Which system of equations has infinitely many solutions? a. 4x + 2y = 5 -4x - 2y = 1 b. -10x + y = 4 10x - y = -4 c. -8x + y = 2 8x - y = 0 d. -x + 2y = 6 7x - 2y = 12
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Ответ:
C = 31
Step-by-step explanation:
always do the parenthesis first so (2+4) = 6
3² + 4(6) x 6 ÷ 8 + 4 (Use PEMDAS)
9 + 4(6) x 6 ÷ 8 + 4, multiply 4 and 6
9 + 24 x 6 ÷ 8 + 4, multiply 24 and 6
9 + 144 ÷ 8 + 4, divide 144 and 8
9 + 18 + 4, now just add
31.