Sorry to bug ya'll but I don't get either of these fraction problems...
1 answer:
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Answer:
1.5 as decimal, 1 1/2 as a fraction
Step-by-step explanation:
1. convert 2 5/6 & (-1 4/12) to a improper fraction.
17/6 and -16/12
2. multiply 17/6 by 2 to match -16/12's denominator
17/6 * 2 = 34/12
We now have
34/12 + -16/12
A positive number plus a negative number is the same thing as subtraction so we remove the negative sign and replace the plus with a minus sign.
We have:
Now solve. 34-16 = 18
our answer is 18/12
Surface area of a sphere (3D solid's name for ball shaped object) is given by
We do not know the radius of the sphere but we can work it out from the circumference
then
We do not know the radius of the sphere but we can work it out from the circumference
then