The answer is 1.067. Hope it's not too late.
Answer:

Step-by-step explanation:
Given: sin x + cos x
To change the given trigonometry expression in term of sine only.
Trigonometry identity:-
Expression: 
We get rid of cos x from expression and write as sine form.
Expression:

Hence, The final expression is only sine function.
When you divide you get 6.666667 then in fraction it is 20/3 so in mix number 6 2/3.
Answer:

Multiply both sides by 1150


Now Divide both sides by 132.25

<u>OAmalOHopeO</u>
Answer: 20/9
Step-by-step explanation:
Turn 4 into a fraction so 4/1
When dividing, flip the second fraction over then multiply them both, so
4/1 x 5/9
That is 4 x 5 / 1 x 9
Which is 20/9