nicoledambrosia16
23.03.2021 •
Mathematics
HI PLS HELP
x^2 - 6x + ___ = ( )^2
Select one:
a. 9; x + 3
b. 9; x - 3
c. -6; x + 6
d. -6; x - 6
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Ответ:
Hello
Step-by-step explanation:
Ответ:
B. 9; x-3
Hope this helps!
Ответ:
65 adult tickets and 135 student tickets were sold.
Step-by-step explanation:
4s + 6a = 930
s + a = 200
s = -a + 200
4(-a + 200) + 6a = 930
-4a + 800 + 6a = 930
2a + 800 = 930
2a = 130
a = 65
There were 65 adult tickets sold.
200 - 65 = 135
There were 135 student tickets sold.
Check:
4(135) + 6(65) = 930
540 + 390 = 930
930 = 930