Answer:
$38.1
Step-by-step explanation:
Add $86 to the value of -$47.90
-47.9 + 86 = 38.1
Answer:
2x=180-(3x+20)
2x=180-3x-20
5x=160
x=32
Step-by-step explanation:
Answer:
15 grams
Step-by-step explanation:
There is a 50 gram chocolate bar that contains 30% cocoa. So we are basically finding 30% of 50. We break 30 into 3*10 and 50 into 5*10. 5*3 = 15.
Therefore, there are 15 grams of cocoa in the chocolate bar.
I hope this helps.
Answer:
A.
Step-by-step explanation:
If you put the x value of the table and use it in each equation, only one gives the y output on the table.
y=x + 4
5=1 + 4
6=2+4
7=3+4
8=4+4
9=5+4
14 million bacteria were present when the antibiotic was first introduced.