U Jas remainder. Therefore, by using ), we
3x = 4y + 3 = 3x - 4y - 3 = 0
When 7y is divided by...
Mathematics, 18.07.2021 17:00 Narutokun
U Jas remainder. Therefore, by using ), we
3x = 4y + 3 = 3x - 4y - 3 = 0
When 7y is divided by x, we get 5 as quotient and 1 as remainder. Therefore, by using (i), we
(ii)
7y = 5x +1 = 5x - 7y +1 = 0
Solving equations (ii) and (iii), by cross-multiplication, we get
...(iii)
.
-
4-21
-Y
3 + 15
1
-21 + 20
> x = 25 and y = 18
Hence, the required numbers are 25 and 18.
EXERCISE 3.7
LEVEL-1
1. The sum of two numbers is 8. If their sum is four times their difference, find the numbers
.
The sum of digits of a two digit
number is 13. If the number is subtracted from the one
obtained by interchanging the digits, the result is 45. What is the number?
Answers: 3
Mathematics, 21.06.2019 15:30, gui00g7888888888888
Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright
Answers: 3
Mathematics, 21.06.2019 22:10, KekePonds1021
Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?
Answers: 1
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