Three friends all have ages that are consecutive integers. The sum of their ages is 48. what is the age of the eldest friend?
2 answers:
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<u>Given</u>:
Given that the radius of the hemisphere is 9.8 inches.
We need to determine the volume of the hemisphere.
<u>Volume of the hemisphere:</u>
The volume of the hemisphere can be determined using the formula,
where r is the radius of the hemisphere.
Substituting r = 9.8 in the above formula, we get;
Simplifying, we get;
Rounding off to the nearest tenth, we get;
Thus, the volume of the hemisphere is 1970.2 cubic inches.
Answer:
(a) x=1.5 or x=-4.5
(b) x=-1
(c) x=10 or
Step-by-step explanation:
(a) |2x+3|=6
⇒ 2x+3=6 or 2x+3=-6
⇒ 2x=3 or 2x=-9
⇒ x=1.5 or x=-4.5
(b) |x-2|=x+4
⇒ x-2=x+4 or x-2=-(x+4)
x-2=x+4
-2≠4 x∈Ф
or x-2=-(x+4)
x-2=-x-4
2x=-2
x=-1
(c) |2x-7|=|x+3|
⇒ 2x-7=x+3 or 2x-7=-(x+3)
2x-7=x+3
x=10
or 2x-7=-(x+3)
2x-7=-x-3
3x=4