the answer is C because if you and it and then subtract it from all your answers than it would be C:$350
Answer:
- 14 coins of 5p
- 11 coins of 20p
Step-by-step explanation:
<u>Given</u>
- 5p coins = x
- 20p coins = y
- Total = 2.90 = 290 p
- Number of coins = 25
<u>Equations</u>
- x + y = 25
- 5x + 20y = 290 ⇒ x + 4y = 58
<u>Consider the first equation in the second one</u>
- x + y + 3y = 58
- 25 + 3y = 58
- 3y = 33
- y = 11
<u>Then x is</u>
<u>Answer</u>
- 14 off 5p coins and 11 off 20p coins
The answer to your question is the square root 2 over 2
Pi * r ^ 2 that’s house help you out with what you need hunn
