Answer:
this is garbage you will never use
Step-by-step explanation:
#fuuuuuckmath
It is rational. Any number that can be described as a fraction is rational while those that do not are irrational.
-0.28764 is the same as -(28764/100000) and positive, negative does not matter.
Answer:
5 questions
Step-by-step explanation:
5 wrong = 80%
Good job !
Answer: sin
= ± 
Step-by-step explanation:
We very well know that,
cos2A=1−2sin²A
⟹ sinA = ±
As required, set A = & cos a= 
,thus we get
sin =± 
∴ sin =±
= ±
since ,360° < <450°
,180° < <225°
Now, we are to select the value with the correct sign. It's is obvious from the above constraints that the angle a/2 lies in the III-quadrant where 'sine' has negative value, thus the required value is negative.
hope it helped!
<h2><u>
Functions</u></h2>
The relationship between both prices is determined by function (R - 1 = B + 2).
It is clear that for each pound less of brown rice there will be 2 more pounds of beans, with which there is a direct relationship between both quantities, which is determined through a function (R - 1 = B + 2).
Given that brown rice cost $ 2 per pound, and beans cost $ 1 per pound, and Alexa has $ 10 to spend on these items to make a meal for a dinner she is attending, to determine if it is the amount of rice purchased a function of the amount of beans purchased, the following calculation must be performed:
- 2 x 5 + 0 = 10
- 2 x 4 + 2 = 10
- 2 x 3 + 4 = 10
- 2 x 2 + 6 = 10
- 2 x 1 + 8 = 10
- 2 x 0 + 10 = 10
Therefore, it is clear that for each pound less of brown rice there will be 2 more pounds of beans, with which there is a direct relationship between both quantities, which is determined through a function (R - 1 = B + 2).
Learn more about maths in brainly.com/question/9216080
