Simplify: 20 - (-2) to the second power ÷ ( 7 - 9) × 13
A. 46
B. -104
C. 286
D. 262/...
Mathematics, 03.01.2021 20:00 belmontes
Simplify: 20 - (-2) to the second power ÷ ( 7 - 9) × 13
A. 46
B. -104
C. 286
D. 262/13
Answers: 2
Mathematics, 21.06.2019 22:30
Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y
Answers: 2
Mathematics, 21.06.2019 23:00
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
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