Answer:
x = z
x + y = 180
Step-by-step explanation:
'is' in mathematics means the equal sign
'of' in mathematics means the multiplication sign
the number can be any variable you chose it to be
Divide both sides by 28
Multiply by 100 on both sides to isolate 'x'
14 is 28% of 200
Answer: he needs $21.50
Step-by-step explanation:
You have to add 22+50=75 then add 15 more to 75 which equals 90....after that you have to divide 7 in half and get 3.5 so now you have to add 90+3.5 and get 93.5. Now you must subtract 93.5-65 and get 28.5 and lastly you subtract 50-28.5 to find out how much money if let to buy VANS.
Step-by-step explanation:
We need to find the height of the triangle first.
Height=>sin(60°)=h/3 but sin(60°)=√3/2
h=3×√3/2=3√3/2
Area=½×base×height
A=½×3×3√3/2
A=9√3/4
Answer is option A