Answer:
You can make 64 different sums (which includes a sum of $0 using none of the coins).
Step-by-step explanation:
The number of sums you can make is equal to:
⁶C₀ + ⁶C₁ + ⁶C₂ + ⁶C₃ + ⁶C₄ + ⁶C₅ +⁶C₆ = 1 + 6 + 15 + 20 + 15 + 6 + 1 = 64
Answer:
Step-by-step explanation:

X = −19.30434782608696
You need me to explain?
Answer:
b. 3
Step-by-step explanation:
Answer:
3/7
Step-by-step explanation:
HCF of 21 and 49 = 7
21 / 49 = (21/7) / (49/7) = 21/7 *7/49 = 3 * 1/7 = 3/7