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Anon25 [30]
3 years ago
5

Which two ratios form a proportion?

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0
Answer is D, 2/1, 4/2, 6/3, 8/4, 10/5, 12/6, 14/7, and 16/8, 16/8 or D is the answer to your problem.
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Ken read 30 pages of a book on monday and 1/8 of the book on tuesday, he completed the remaining 1/4od the book on wednesday.how
dlinn [17]
Let the total amount of pages be t
t=30+1/8t+2/8t
now simplify
t=30+3/8t
5/8t=30
divide 30 by 5
1/8=6
now you know 1/8 of the book is 6 pages which means the whole book has 48 pages.

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Someone PLEASE help me this is insane!
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Step-by-step explanation:

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X=5 y = 3, x² + 3(x +y)=<br> HELP FAST
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9514 1404 393

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Step-by-step explanation:

Put the variable values in place of the corresponding variables, and do the arithmetic.

  x² +3(x +y) =

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Verizon [17]

Answer:

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Step-by-step explanation:

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Which of the following sets are closed under multiplication? Select all that apply.
ivolga24 [154]

Answer:

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Only Irrational numbers are not the sets of closed under multiplication.                  

Step-by-step explanation:

To find : Which of the following sets are closed under multiplication?

1. Integers  

Yes, integers is a sets of closed under multiplication as if you multiply an integer by an integer, you will always get another  integer.

Example - 3\times 3=9 is an integer

2. Irrational numbers


No, irrationals are not closed under multiplication.

Example - \sqrt{3} \times \sqrt{3} =3 is a rational number

3. Whole numbers


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4. Polynomials

Yes, polynomial is sets of closed under multiplication as if you multiply the variables' exponents are added, and the exponents in polynomials are whole numbers so the new exponents will be whole numbers.

Example - (x + 1)(x^2 + 4x + 3) = x^3 + 5x^2 + 7x + 3 is a polynomial.


4 0
3 years ago
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