Evaluate the expression x/6+y for x=24 and y=17
1 answer:
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Given that those lines are parallel they will form similar traingles. This means the lengths of the sides of the triangles will be proportional through a ratio.
Find the ratio: divde the given small side by the given big side(they must be the same sides of the triangles though)
For example:
I found the ratio by dividing 8 / (20) and simplify to 2/5
Next step: multiply 22 by the fraction to get "y"
22*
= y
y=8.8 units
To find x :
Step 1: write an equation for the length of side US.
US= 5+x-2= x+3
Step 2: DIVIDE 5 by the ratio (must divide to get longer side DO NOT multiply)
US= 5/(2/5)= 12.5 units
Step 3: set the expression you found for US equal to 12.5
12.5= x+3
subtract 3 from both sides to isolate x.
x= 9.5 units
My answers:
x= 9.5 units
y= 8.8 units
Find the ratio: divde the given small side by the given big side(they must be the same sides of the triangles though)
For example:
I found the ratio by dividing 8 / (20) and simplify to 2/5
Next step: multiply 22 by the fraction to get "y"
22*
y=8.8 units
To find x :
Step 1: write an equation for the length of side US.
US= 5+x-2= x+3
Step 2: DIVIDE 5 by the ratio (must divide to get longer side DO NOT multiply)
US= 5/(2/5)= 12.5 units
Step 3: set the expression you found for US equal to 12.5
12.5= x+3
subtract 3 from both sides to isolate x.
x= 9.5 units
My answers:
x= 9.5 units
y= 8.8 units
Answer:
380.8cm³
Step-by-step explanation:
Volume of a Cylinder is:
'r' is the radius.
'h' is the height.
We are given a height of 9.9 cm and a diameter of 7cm.
The radius is half the diameter.
Divide 7 by 2:
The radius is 3.5 cm.
Solve for The Volume (Using 3.14 for pi):
380.8035 ≈ 380.8
The volume of the cylinder should be 380.8cm³.