Answer:
Step-by-step explanation:
the diameter of this circle is 7.4 km
the radius of this circle is 7.4 km/2=3.7 km
second choice
Answer:
π - irrational
0.04053.. - irrational
0.76 - rational
3.565565565 - irrational
-17 - rational
3.275 - rational
Step-by-step explanation:
rational = can express as fraction
irrational = cannot
Given:
Amount = 8700
Time = 3 years
Rate of interest = 24% per annum
To find:
The principal values.
Solution:
Formula for amount:
Where, A is amount, P is principal, r is the rate of interest and t is the number of years.
Putting 
, we get
Divide both sides by 1.906624.
Therefore, the principal value is about 4563.04.
Let x equal Thomas' age. Then Huilan's age is 2x. Set up an equation to model this situation:
x+2x=78
<em>*Combine like terms*</em>
3x=78
<em>*Divide both sides by 3*</em>
x=26
Hope this helps!!
Answer:
part A you have correct.
is there a 'D" for part B? A through C answers don't seem correct.
after a response from the poster, "D" was the correct answer.
re-posting it because some random person deleted it.
