Answer:
50:20:50
This is because you add 5+2+5=12
120/12=10
5x10=50 2x10=20 5x10=50
V = PI x r^2 x h/3
3.14 x 7^2 x 24/3
49 x 8 = 392
answer is 392PI units^3
answer is B
Answer:
1.0105
Step-by-step explanation:
93/5 is equal to 9.6,and 92/4 is equal to 9.5,so 9.6/9.5 is 1.01
fraction form is 1 1/100
Mark me brainliest if this helped:D
Answer:
Step-by-step explanation:
1. x+2y=6 or x=6-2y
3x-2y=2
3(6-2y)-2y=2
18-6y-2y=2
18-8y=2
-8y=-18+2
-8y=-16
y=-16/-8
y=2 ans.
x+2*2=6
x+4=6
x=6-4=2 ans.
Proof:
3*2-2*2=2
6-4=2
2=2
I leave the rest for you to practice with.
3. 4x+y=7
2x+5y=-1
5. 3x+2y=-2
6x-y=6
Solve the system using the elimination method. Show all your steps.
7. -3x+3y=3
3x+y=9 add.
---------------------------------
4y=12
y=12/4
y=3 ans.
3x+3=9
3x=9-3
3x=6
x=6/3
x=2 ans.
Proof:
-3*2+3*3=3
-6+9=3
3=3
I'll leave the rest for practice.
9. -5x+12y=20
x-2y=-6
11. 3x+2y=1
4x+ 6y= 7
52 double bed rooms were rented, and that means there were 26 single bed rooms rented.
