Answer: A)
x = # of students in math class
2x+7=40
B)
2x+7=40
-7
------------
2x = 33
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2 2
x = 76 students
Answer:
A
Step-by-step explanation:
neither a relation nor a function
Answer:
$488
Step-by-step explanation:
16×20=320
8%×2100
0.08×2100
168
320+168=$ 488
Answer:
2/3
Step-by-step explanation:
5 black
3 green (not black)
3 blue (not black)
4 yellow (not black)
there are 5 black and 10 not black out of a total of 15 marbles.
there are 10/15 that are not black. Reduced 2/3.
Answer:
X=24
Step-by-step explanation:
Let a no =X
So
2x+4=52
2x=52-4
2x=48
X=48/2
X=24
So number =24