Answer:
The diameter is 16.8
Step-by-step explanation:
The diameter is double the radius.
1. <span>-0.9x+2.8=4.1
First subtract 2.8 from both sides.
-0.9x = 1.3
Now divide both sides by -0.9.
x = -1.4444..
This can be rounded to -1.44
</span><span>c) -1.44
2. Jordan has 650 pennies. He'll give 85 to his brother and split the rest with his sister.
</span>d) 85+2x=650
Answer: 21 . . . . . .
Credit to the person below-
First you add 3 and 2 so that is 5 and then you subtract 5 from 9 so the answer is 4.