Answer:
1. 9.12
2. 10.64
3. 12.16
b- No it does not because it does not include the 5 pennies that are already there.
Step-by-step explanation:
7*(x+5)*(x -5) that is your answer right there
Given:
The equation is
To find:
The error and correct solution.
Solution:
We have,
Add 16 on both sides.
Divide both sides by -5.
Third step is incorrect because he divide the equation by 5 instead of -5.
Therefore, the correct solution is .
Well if you add 14 and 21 you get 35. with 35 you can have 7 groups of 5 but if they have to be equal with the number of boys and girls in each group it would still be 7. two boys in each group with three girls in each group.
Answer:
42°(C)
Step-by-step explanation:
That is a right angle which means the sum of angles is 90°
So,we have x+48°=90°
x=90°-48°
x=42°
