Answer:
<h2>D. They will be negative numbers.</h2>
Step-by-step explanation:
If the inequality models scores of 20 and 30 points, then the values for variables x and y must be positive, because you can't score a negative number, you score or you don't that's it.
Therefore, the right answer is D. They will be negative numbers, because score can't be negative numbers.
Answer:
See Explanation
Step-by-step explanation:
(a) Proof: Product of two rational numbers
Using direct proofs.
Let the two rational numbers be A and B.
Such that:


The product:




Proved, because 1/3 is rational
(b) Proof: Quotient of a rational number and a non-zero rational number
Using direct proofs.
Let the two rational numbers be A and B.
Such that:


The quotient:

Express as product



Proved, because 3/4 is rational
(c) x + y is rational (missing from the question)
Using direct proofs.
Let x and y be
Such that:


The sum:

Take LCM


Proved, because 7/6 is rational
<em>The above proof works for all values of A, B, x and y; as long as they are rational values</em>
Answer: 240 minutes, 20 cups, 4000 pounds
<u>Step-by-step explanation:</u>
Use the following conversions:
1 hour = 60 minutes
2 cups = 1 pint
2 pints = 1 quart
1 ton = 2000 pounds

9,6^2+18,8^2=X^2
92,16+353,44=X^2
X^2=445,6
X=21
Answer:
yellow
Step-by-step explanation: