The fraction 1/6 of 42 is equal to 7.
We have,
To find 1/6 of 42, you can multiply 42 by 1/6.
To do this calculation, you can use the following steps:
- Multiply 42 by 1/6:
= (42) x (1/6)
= 42/6
- Simplify the fraction, if possible:
42/6 can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 6:
42/6 = (6 x 7) / (6 x 1) = 7/1 = 7
Therefore,
1/6 of 42 is equal to 7.
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joe correctly answered 70% of the questions on a test. there were 50 questions. how many questions did joe answer correctly?
Answer:
90π cm²
Step-by-step explanation:
Given: Radius of circular base= 5 cm
height= 12 cm
Now finding the surface of cone.
Formula; Surface area of cone=
Where; r= radius
l= slant height
B is the area of base, which is circle.
Area of circle (B)= πr²
Area of circle (B)=
∴ Area of circle (B)=
Finding slant height (l)
Formula;
⇒l =
∴ l=
Next, using the formula for finding surface area of cone.
Surface area of cone=
⇒ Surface area of cone=
∴ Surface area of cone= 90π cm²
Answer:
S.A. = 90 pi cm2
Step-by-step explanation:
1. pi(3.14) x radius(5) x slant height(13) = 90