Yes, the equation given above is proportional. The variables y and x are directly proportional to each other. <span>Two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier.</span>
Answer:
B
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos30° = 
, then
cos30° = 
= 
= ( cross- multiply )
2x = 20
( divide both sides by 2 )
x = 10 → B
Answer:
-1/2
Step-by-step explanation:
we know x=9
putting the value, we get,
-5/6(9) + 7
-15/2 + 7
-7.5 + 7
= -0.5
= -1/2
Answer:
kindly check the solution in figure below.
Step-by-step explanation:
Answer:
it takes 10 ones to make a ten.
