#1
= 9
Let's solve your equation step-by-step.
8.88=4.44(x−7)
Step 1: Simplify both sides of the equation.
8.88=4.44(x−7)
8.88=(4.44)(x)+(4.44)(−7)(Distribute)
8.88=4.44x+−31.08
8.88=4.44x−31.08
Step 2: Flip the equation.
4.44x−31.08=8.88
Step 3: Add 31.08 to both sides.
4.44x−31.08+31.08=8.88+31.08
4.44x=39.96
Step 4: Divide both sides by 4.44.
#2
= y = -3
Step 1: Simplify both sides of the equation.
Step 2: Subtract 2 from both sides.
Step 3: Divide both sides by 5.
Answer: 25
Step-by-step explanation:
Answer:
x=20 and y=70/3
Step-by-step explanation:
We know triangle DEF is similar to triangle HJG. So:
- DE is similar to HJ
- EF is similar to JG
- FD is similar to GH.
We know:
- DE=9, which is similar to 15
- EF=14, which is similar to y
- FD=12, which is similar to x
The ratio of DE:HJ=EF:JG=FD:GH. We know DE:HJ=9:15=3:5, now we can find x and y:
- DE:HJ=9:15=3:5
- EF:JG=14:y=3:5, so y is 70/3 because 14=42/3 and 42/3:70/3=3:5 as 42=14•3 and 70=14•5
- FD:GH=12:x=3:5, so x is 20
Answer:
8 2/9 - 2 2/3 = 50/9 = 5 5/9
Step-by-step explanation:
So the answer would be B.