Advertisements
Advertisements
प्रश्न
Observe the following nutritional chart carefully:
| Food Item (Per Unit = 100g) | Carbohydrates |
| Rajma | 60g |
| Cabbage | 5g |
| Potato | 22g |
| Carrot | 11g |
| Tomato | 4g |
| Apples | 14g |
Write an algebraic expression for the amount of carbohydrates (in grams) for 2x units tomatoes and y units apples.
Advertisements
उत्तर
By unitary method,
∴ 1 unit of tomatoes contain carbohydrates = 4 g
∴ 2x units of tomatoes contain carbohydrates = 2x × 4 = 8x g
Similarly,
∴ 1 unit apples contain carbohydrates = 14 g y units apples contain carbohydrates = 14 × y = 14y g
Hence, the required expression is 8x + 14y.
APPEARS IN
संबंधित प्रश्न
Identify the terms, their coefficients for the following expressions.
0.3a − 0.6ab + 0.5b
Identify the term, their coefficients for the following expression:
3x2y2 − 5x2y2z2 + z2
Constant is only 8 other is variable 2y –`7/3` z ÷ x
Write the coefficient of: xy in – 3axy
For the following monomials, write its degree: – x2y
Simplify: (p – 2q) – (3q – r)
Simplify: `"p"^2 - ["x"^2 - {"x"^2 - ("q"^2 - bar("x"^2 - "q"^2)) - "2y"^2}]`
The value of (3x3 + 9x2 + 27x) ÷ 3x is ______.
The coefficient in – 37abc is ______.
The terms of expression 4x2 – 3xy are ______.
