Answer:
take 40 degree as reference angle
using sine rule
let opposite be x
sine 40=opposite/hypotenuse
0.64=x/7
0.64*7=x
4.48=x
Step-by-step explanation:
Answer: 9/10 of a mile per hour.
Step-by-step explanation:
First simplify the square root of 1/25
-√1/25
Rewrite using the quote by rule for radicals.
-√1/√25
Any root of 1 is 1
-1/√25
Simplify the denominator. (find the square root of 25)
-1/5
The result can be shown in both exact and decimal forms.
Exact form: -1/5
Decimal form: -0.2
Answer: (0,0)
Step-by-step explanation: The domain of the expression is all real numbers except where the expression is undefines. In this case, there is no real number that makes the expression undefined.
Hope this helps you out. ☺