9000 equals to 900 tens. ( 1. 9×10=90,
2. 90×10=900,
3. 900×10=9,000. )
Answer:
Step-by-step explanation: sin β =
; cos β = 
10) sin
= 
18 sin
= x
18 (0.53) = x
<em>x= 9.5 units </em>
cos
= 
18 cos
= y
y = 18 (0.85)
<em>y = 15.3 units </em>
<em></em>
<em>You use the same strategy for the rest of the questions. Feel free to reach out if you have more questions. </em>
Answer:
(7-5)
Step-by-step explanation:
According to PEMDAS, parenthesis go first. But there are two sets of parenthesis so the one inside the other goes first.
Next would be [3+(2*2)]
Then, [3+4]
Then, -8/1
Then, -3(7)
So the question would be 4-8-21
Which gives you -25 as an answer.
I realize that you weren't asking for the whole thing but maybe there are follow up questions.
Answer:
k = 3/7
Step-by-step explanation:
121212kkk = 848484
divide each side by 121212
kkk = 7
3k = 7
k = 3/7