 |
|---|
SELECT PAGE NO.
No Books/Pages Are Available |
SELECT PROBLEM NO. FOR THE PAGE |
| PAGE: 8 | SET: Exercises | PROBLEM: 27 |
The radius of Earths orbit is 
.
a.
Find the circumference of Earths orbit assuming that the orbit is a circle.
The formula for the circumference of a circle is 
.
(Formula)
(Substitute
)
(Multiply)
Therefore, the circumference of the earth is 
.
b.
Earth travels at a speed of 
around the Sun.
The formula 
, where 
is time in hours, 
is circumference and 
is velocity.
Find the number of hours it takes Earth to revolve around the Sun.
(Substitute 
and 
)
(Simplify)
Therefore, the number of hours it takes Earth to revolve around the Sun is 
.
c.
It takes 
year for Earth to go around the Sun.
.
Yes;
.
a.The circumference of the earth is 
.
b.The number of hours it takes Earth to revolve around the Sun is 
.
c.Yes; .
|
"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |
|
"Your site is amazing! It helped me get through Algebra." Charles |
|
"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |
Simply chose a support option
  
|