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Ezra
Professor
TaigaLet the two numbers be X and Y
Given:
X*Y=75 ==> Y=75/X
X+Y=28
==> X+(75/X)=28
==> X2+75=28X
==> X2-28X+75=0
==> X2-3X-25X+75=0
==> X(X-3)-25(X-3)=0
==> (X-3)(X-25)=0
==> X1-3=0 or X2-25=0
==> X1=3 or X2=25
substitute X1=3 in X+Y=28
3+Y1=28
==>Y1=25
==>Y1=X2
hence the two numbers are 3 and 25
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What percentage is 21 out of 28 questions?
21/28 = 3/4 = 75%
What are the factors for 84 and 75?
1, 3, 5, 15, 25, 75 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
What are the release dates for Late Show with David Letterman - 1993 20-75?
Late Show with David Letterman - 1993 20-75 was released on: USA: 28 January 2013
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What is the greatest common factor for 75 and 56?
The factors of 75 are: 1, 3, 5, 15, 25, and 75.The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, and 56.The only factor common to 56 and 75 is ' 1 ', so it's also the greatest.
How many times does 28 go into 2100?
To find out how many times 28 goes into 2100, you need to divide 2100 by 28. Performing this division, you will find that 2100 divided by 28 equals 75. Therefore, 28 goes into 2100 75 times.
What goes into 100 and 75?
25 goes into 100 and 75.
What is 28 percent of 75?
75% X 28 = 21
What goes into 75 5 times?
15 goes into 75 five times
How many 3 goes into 75?
3 goes into 75, 25 times.
What percent is 28 wrong out of 75?
% rate = 37.33%= 28/75 * 100%= 0.3733 * 100%= 37.33%
What percentage is 21 out of 28?
21 out of 28 = 75%
What goes into 28 and 1400 evenly?
28. If you divide 28 into 1,400 you get 1|50. 28 goes into 28 once.
What percent of 21 is 28?
the correct answer is 75%......21 is 3/4 of 28 5.88%
What is 75 minus 28?
47
What is the percent for 21 out of 28?
75%
What are the release dates for Jeopardy - 1984 28-75?
Jeopardy - 1984 28-75 was released on: USA: 30 December 2011
