Cos(68)=z/24
Z=24cos(68)
Find the answer by the calculator
Second question,
Cos(x)=16/34
X=cos^-1(16/34)
Use calculator
Answer:
The solved given fractional expression is 
Therefore the given fractional expression becomes

Step-by-step explanation:
Given fractional expression is 
To solve the given fractional expression as below :

( here taking the term 3 as LCM )
( by adding the sums here )


Therefore the solved given fractional expression is 
Therefore the given fractional expression becomes

The solved given fractional expression is 
Answer:
625
Step-by-step explanation:
\left[x _{2}\right] = \left[ 6+\sqrt{33}\right][x2]=[6+√33]
Answer:
5.5 miles over 2 hours--> 5.5/2= 2.75 miles per hour was his average walking speed. 5.5 miles over 2.5 hours --> 5.5/2.5= 2.2 miles per hour on the return trip meaning that his average speed was (2.75-2.2= 0.55) 0.55 miles per hour lower on the return trip
Step-by-step explanation:
I hope this helps you :)
<em><u>-KeairaDickson</u></em>