Advertisements
Advertisements
प्रश्न
At age of 2 years, a cat or a dog is considered 24 “human” years old. Each year, after age 2 is equivalent to 4 “human” years. Fill in the expression [24 +
(a – 2)] so that it represents the age of a cat or dog in human years. Also, you need to determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.
| Age | [24 + (a – 2)] |
Age (Human Years) |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
Advertisements
उत्तर
The expression is [24 + 4(a – 2)]
Here, ‘a’ represents the present age of dog or cat.
| Age | [24 + 4 (a – 2)] | Age (Human Years) |
| 2 | [24 + 4(2 – 2)] | 24 |
| 3 | [24 + 4(3 – 2)] | 28 |
| 4 | [24 + 4(4 – 2)] | 32 |
| 5 | [24 + 4(5 – 2)] | 36 |
| 6 | [24 + 4(6 – 2)] | 40 |
APPEARS IN
संबंधित प्रश्न
Add: 4x2y, - 3xy2, - 5xy2, 5x2y
Subtract: - 5y2 from y2
From the sum of 3x - y + 11 and - y - 11, subtract 3x - y - 11.
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Subtract:
\[\frac{3}{2}x - \frac{5}{4}y - \frac{7}{2}z \text { from }\frac{2}{3}x + \frac{3}{2}y - \frac{4}{3}z\]
Subtract:
\[x^2 y - \frac{4}{5}x y^2 + \frac{4}{3}xy \text { from } \frac{2}{3} x^2 y + \frac{3}{2}x y^2 - \frac{1}{3}xy\]
If \[x + \frac{1}{x} = 9,\] find the value of \[x^4 + \frac{1}{x^4} .\]
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Add:
7a2bc, –3abc2, 3a2bc, 2abc2
The number of scarfs of length half metre that can be made from y metres of cloth is ______.
(a – 2)] 