Answer:
124
Step-by-step explanation:
Answer:
x=4, y=-4/3. (4, -4/3).
Step-by-step explanation:
8x+9y=20
x=-3y
---------------
8(-3y)+9y=20
-24y+9y=20
-15y=20
y=20/-15
simplify
y=-4/3
x=-3(-4/3)=12/3=4
The answer is 81.
Hope i helped!
Answer:
A decimal in the wrong place can change the value of a number COMPLETELY!
Step-by-step explanation:
for example
0.4 can be converted to 40 cents or 2/5, but if you change the decimal 0.04 converts to 4% or 1/25.
hope this helps!
Answer:
There was once a duck, that ate many grapes. One day, there were 67 grapes. The next day there were 20 grapes left. How many grapes did the duck eat.
Step-by-step explanation:
67-20 = 47