boo3972
19.02.2020 •
Mathematics
Solve the equation 11x + 7 = 73?
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Ответ:
6
Step-by-step explanation:
11x + 7 = 73
- 7 - 7
11x = 66
divide 66 by 11 and you get 6
Ответ:
x = 6
Step-by-step explanation:
Step 1: Subtract 7 from both sides
11x + 7 - 7 = 73 - 7
11x = 66
Step 2: Divide both sides by 11
11x = 66
11x / 11 = 66 / 11
x = 6
x = 6
Ответ:
probability of first marble being blue = 6/10
without replacing
probability of second marble being red = 4/9
probability of both events happening = 6/10 * 4/9 = 24/90 reduces to 4/15