Advertisements
Advertisements
प्रश्न
If 9 is the solution of variable x in the equation `(5x - 7)/2 = y`, then the value of y is 28.
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Given that, x = 9
Put the value of x in the equation, we get
`(5(9) - 7)/2 = y`
⇒ `(45 - 7)/2 = y`
⇒ `38/2 = y`
⇒ y = 19
APPEARS IN
संबंधित प्रश्न
If x = 1, y = 2 and z = 5, find the value of x2 + y2+ z2
Write the constant term of 3x2 + 5x + 8
Identify the monomials, binomials, and trinomials in the following:
5 + 7x3y3z3
Subtract:
−xy from 6xy
Find the variables from the clues given below and solve the cross-word puzzle.
| Across | Down |
| x + 40 gives 100 | x is 1005 multiplied by 6 |
| 7 reduced from t gives 31 | t ÷ 7 = 5 |
| z is 5 added 5 times | p is the predecessor of first 3 digit number |
| v is the whole number zero plus number of days in a ordinary year | z is the number of weeks in a year (digits reversed) |
| k is 24 added to 25 | k is 11 times 4 |
| u is 2 added to two times 11 gives the number of hours in a day | u is product of 23 and 9 |
| a is 20 more to 40 | a is 4 added to the product of 12 and 5 |
| s minus 1 gives 246 is the number of letters in Tamil language | m is the successor of 9 |
10 – x means ______.
z is multiplied by –3 and the result is subtracted from 13.
Identify the operations (addition, subtraction, division, multiplication) in forming the following expression and tell how the expression have been formed.
17y, `"y"/17`, 5z
Give expression for the following case.
p multiplied by 7
Give expression in the following case.
y is multiplied by − 5 and the result is added to 16
