Answer:
x=10
x=30
x=15.3
x=4
Step-by-step explanation:
1/2x+7=27
2x+7=27
2x=20
x=10
5=1x-25
30=1x
30=x
3x+9=54
3x=46
x=15.3
16=5x-4
20=5x
4=x
We don't know what WCLM means or have any contacts clues
Answer:
200π
Step-by-step explanation:
Surface area is abbreviated to SA
TOTAL SA of cone = Base area + πrl
Base area = πr² = π x 8² = 64π
Curved SA = πrl = π x 8 x l
to work out l, use pythagoras theorem: √(15)² + (8)² = 17
so, curved SA = π x 8 x 17 = 136π
Total SA of cone = 64π + 136π = 200π
Answer:
Tom's books cost him $57.9569 after the discount
Step-by-step explanation:
Step 1: Determine the initial cost of the books
Initial cost of books=$65.86
Step 2: Calculate discount amount
Discount amount can be expressed as follows;
discount amount=discount rate×initial cost of books
where;
discount rate=12%
initial cost of books=$65.86
replacing;
discount amount=(12/100)×65.86=7.9032
discount amount=$7.9032
Step 3: Cost after discount
The cost after discount can be expressed as;
Cost after discount=Initial cost-discount amount
where;
Initial cost=$65.86
discount amount=$7.9032
replacing;
Cost after discount=(65.86-7.9032)=$57.9569
Tom's books cost him $57.9569 after the discount
Answer:
x=2.4
y=5.6
Step-by-step explanation:
x=8-y
3*(8-y)-0.5y=10
24-3y+0.5y=10
-2.5y=-14
y=5.6
8-5.6=2.4
