30= 20% of ?
30= 20/100 (x)
30= .2 (x)
x=150
150 kids are at the shcool
y=-3x+4
x=2y+6
y + 3x =4
-2 + =6
x= 2y +6
y+3.(2y+6)=4
7y = -14
7y=-14
y=-2
y=-2
x=2y+6
x=2(-2)+6=2
solution is {y,x}= {-2,2}
Step-by-step explanation:
there are 10 possible combination
so P=10/36 = 0.2778
Answer:
0.16
Step-by-step explanation:
you divide 1/2 by 3 to 0.16666666 but it would recuce to 0.16
Answer:
x = 9
Step-by-step explanation:
3x + 3 = 30
3x = 30 - 3
3x = 27
= 27 / 3
= 9
Mark brainliest pls
