X - 10 = 25
add 10 to both sides
X = 35
<h2>
40 % of coins are pennies.</h2>
Step-by-step explanation:
Total number of coins = 600
Total number of pennies = 240

40 % of coins are pennies.
4x+(x+5)=20
5x+5=20
5x=15
X=3
To answer this question, we need o divide.
Since she has 1180 buttons, we can divide that number by the amount of buttons it takes to make a shirt, 6.
1180/6=196
Hope this helps!
Answer:
If the area of a square is given by the polynomial 4x2 – 36x + 81, then which of the
following expressions represents the length of one side of the square?
A 2x -9
B
2x + 9
C 4x - 18
D 4x + 18
Step-by-step explanation:
answer 4x+18