The option B is correct option according to the passage which tells us that the In the United States, many individual states have also adopted legislation to eliminate, or at least reduce, phosphorous content in laundry detergents.
According to the statement
we have to find that the out of given options which is correct for replace the words in the passage.
So, For this purpose, we know that the
In the passage ,
Choices A, C, and D are incorrect because they do not mention legislation or policies that were adopted as a result of Schindler and Brunskill’s research on the effects of phosphates in laundry detergents.
And
Choice B is the best answer because it deals with a “policy outcome” related to the research. The adoption of legislation to reduce or eliminate phosphates in detergents is a policy outcome (a change in official policy concerning detergents) that was clearly informed by Schindler and Brunskill’s research.
So, The option B is correct option according to the passage which tells us that the In the United States, many individual states have also adopted legislation to eliminate, or at least reduce, phosphorous content in laundry detergents.
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1. The answer to addition problems is referred to as the sum, multiplication as the product, subtraction as the difference and division as the quotient. So...False.
2. You could turn the percent into a decimal, after rounding to 25, and multiply it by 121 to get about 30. However, I find it easier to just move the decimal one place to the left and multiply the product by how many tens are in the estimated percent.
10% = .10 .10 x 121 = 12.1 x 3 = 36.3 Which is still rather close and doesn't need a calculator.
3. Using the methods earlier, I'd say the best estimate is 45.
Let’s say that y is 61-x. X is 3y-7. Plug in the 61-x. X=183-3x -7. 4x = 190; x is 47.5.
Answer:
x=2.5
Step-by-step explanation
move right x to other side by subtracting 3x on both sides.
now you should have 2x=5
make the x be by itself by dividing 2 on both sides
x=2.5
Answer:
No solutions
Step-by-step explanation:
We need to eliminate one of the variables to solve the system. To do so, let's multiply the first equation by 8, the second equation by 4
- 2x + y + 5z = 4 (1) x 8
- 3x − 2y + 2z = 2 (2) x 4
- 5x − 8y − 4z = 1 (3)
<u>The system becomes:</u>
- 16x + 8y + 40z = 32 (1)
- 12x - 8y + 8z = 8 (2)
- 5x - 8y - 4z = 1 (3)
<u>Add (1) and (2), subtract (3) from (2) to eliminate y</u>
- 28x + 48z = 40 (4)
- 7x + 12z = 7 (5)
Then multiply the equation (5) by 4 to compare with(4)
Comparing the equations (4) and (5) we see <u>it has no solutions</u> as both variables have same coefficient but with different sum, 28≠40
