Commutative Property.
It cannot be multiplication property because it would have to be live 5 x 1 = 5. For multiplication property the answer has to be the same as the number you used to get the answer. Does that make sense? I can send you a pic if you need it. I might be wrong because I just learned it now so I could give you an answer but from the example I got it has to be like 25x1=25, 100x1=100 something like that
Answer:
x = π/2, 7π/6, or 11π/6
Step-by-step explanation:
sin² x − cos² x − sin x = 0
Use Pythagorean identity to write cosine in terms of sine.
sin² x − (1 − sin² x) − sin x = 0
sin² x − 1 + sin² x − sin x = 0
2 sin² x − sin x − 1 = 0
Factor:
(2 sin x + 1) (sin x − 1) = 0
Solve:
sin x = -1/2 or 1
x = π/2, 7π/6, or 11π/6
To solve this problem we can set up a proportion, letting x represent the unknown amount of cooking oil.
30 milliliters water/20 milliliters cooking oil = x milliliters water/ 50 milliliters cooking oil
30/20 = x/50
To solve this proportion, we can use cross products, also called the means extremes products theorem. This takes the products of the numerator and denominator from the separate fractions and sets them equal to one another. In this circumstance, it results in the equation:
(30)(50) = (x)(20)
When we multiply we get:
1500 = 20x
Finally, we have to divide both sides of the equation by 20 to get our variable x alone on the right side of the equation.
x = 75 milliliters
Therefore, the proportion is completed, as 30/20 = 75/50.
Answer: You need 75 milliliters of water.
Answer:
28 different ways
Step-by-step explanation:
This is a combination question. Combination has to do with selection.
Total number of element in the set = 8
Number divisible by 6 or 8 are {-98, -48, -42, -36, -18, -6}
Total number divisible by 6 or 8 is 6
The number of ways we can choose 6 items from 8 is expressed as;
8C6 = 8!/(8-6)!6!
8C6 = 8!/(2)!6!
8C6 = 8*7*6!/2!6!
8C6 = 8*7/2
8C6 = 56/2
8C6 = 28 ways
Hence there are 28 different ways
(4,12) is the correct answer
