Answer:
here you go
Step-by-step explanation:
1 is = 2 is >
Answer:
9+12y
Step-by-step explanation:
3x3+3x4y
12x+6=9x-15 (subtract variables, smaller one)
-9x. -9x
3x+6=-15 (subtract 6 to both sides)
-6. -6
3x=-21 (divide 3)
x=-9
Answer:
y2-y1 / x2-x1
-4/3
Step-by-step explanation:
Assume Keesha has d dimes, so she has d + 10 quarters
Total money Keesha has is (d+10)*.25 + d*.1 = 11.25
or 0.35d + 2.5 = 11.25
Solving for d , d = 25
So Keesha has 25 dimes and 35 quarters, total of 60 coins
