Answer:
-199
Step-by-step explanation:
Answer:
let the past stay in the past
Step-by-step explanation:
Since there are 6 sides to a cube we can divide the total surface area by 6 to find the area of a single side
384 / 6 = 64
since the side of a cube is a square the sides are the same length, so we need a number, that when multiplied by itself is 64. The answer is 8
Based on the ratio, 6 students play musical instruments.
The mentioned problem can be solved using the concept of ratio and proportion. We will equate the two ratio. Let us assume the number of students who play musical instruments be x.
Forming the equation -
3 : 20 = x : 40
Rewriting the equation with respect to x
x = (40 × 3) ÷ 20
Performing multiplication and division on Right Hand Side of the equation
x = 120 ÷ 20
Performing division on Right Hand Side of the equation
x = 6
Therefore, 6 students play musical instruments.
Learn more about ratio and proportion -
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Answer:
17
Step-by-step explanation:
82=4x+14
If you subtract 14 from both sides:
4x=68
Divide both sides by 4:
x=17
Hope this helps!
