Answer:
48 years
Step-by-step explanation:
Let the ratio of their ages be
4:2:1
Sum up the numbers
4+2+1
= 7
Their total ages is 84
7/84
= 1/12
Therefore Jim age can be calculated as follows
= 12×4
= 48
Hence Jim is 48 years
Answer:
tan C = 5/√39
Step-by-step explanation:
tan C = opp/adj
For angle C, the opposite leg is AB, 5.
The adjacent leg is BC, √39.
tan C = 5/√39
Answer:
<h2>lateral surface area= 109.97 in^2</h2>
Step-by-step explanation:
The lateral surface area of a cone is given by the expression
Given
diameter= 7 inches
radius= 7/2= 3.5 inches
slant height l= 10 inches
substituting the data into the formula we have