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highlander4215
15.03.2020 •
Mathematics
What is the next number? 2+3=8 3+7=27 4+5=32 5+8=60 6+7=72 7+8=?
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Ответ:
Step-by-step explanation:
2 + 3 = 8
8 : 2 = 4; 4 - 1 = 3 (subtract 1)
3 + 7 = 27
27 : 3 = 9, 9 - 2 = 7 (subtract 2)
4 + 5 = 32
32 : 4 = 8; 8 - 3 = 5 (subtract 3)
5 + 8 =60
60 : 5 = 12, 12 - 4 = 8 (subtract 4)
6 + 7 = 72
72 : 6 = 12, 12 - 5 = 7 (subtract 5)
7 + 8 = x
x : 7 = y, y - 6 = 8 (subtract 6)
Solve:
y - 6 = 8 add 6 to both sides
y - 6 + 6 = 8 + 6
y = 14
x : 7 = y ⇒ x : 7 = 14 ⇒ x = (14)(7) ⇒ x = 98
Ответ:
y=2x+3
Step-by-step explanation:
The slope-intercept form of the equation of a line is y = mx + b,where m = slope.
Hope this helps...