Answer:
3 to the 4th power.
Step-by-step explanation:
Basically, here 3 to the 3rd power is 27. Multiplying it by 3 is only adding another power, making it 81, which is the same answer to 3 to the 4th power if that makes sense.
It is 10m/s.The 10-second barrier is the physical and psychological barrier of completing the 100 metres sprint in under ten seconds
Answer:
x = -8
Step-by-step explanation:
y = 3x/4
Substitute the value of -6 into y.
-6 = 3x/4
Multiply both sides by 4.
-24 = 3x
Divide both sides by 3.
x = -8.
Answer:
Unit Price for Brand A: $0.31 per Pencil.
Unit Price for Brand B: $0.35 per Pencil.
Brand A is the better buy.
Step-by-step explanation:
Divide 7.49 by 24 to get 0.312 and round down to 0.31.
Divide 9.97 by 28 to get 0.356 and round down to 0.35 (0.36 is too much making the price $10.08)
Compare 0.31 and 0.35. (0.31 < 0.35)
Answer:
![4a^{2} + 20a+25](https://tex.z-dn.net/?f=4a%5E%7B2%7D%20%2B%2020a%2B25)
Step-by-step explanation:
![( 2a+ 5 ) ( 2a + 5 )](https://tex.z-dn.net/?f=%28%202a%2B%205%20%29%20%28%202a%20%2B%205%20%29)
![2 a ( 2 a + 5 ) + 5 ( 2 a + 5 )](https://tex.z-dn.net/?f=2%20a%20%28%202%20a%20%2B%205%20%29%20%2B%205%20%28%202%20a%20%2B%205%20%29)
![4 a^{2} + 1 0 a + 5 ( 2 a + 5 )](https://tex.z-dn.net/?f=4%20%20a%5E%7B2%7D%20%20%2B%201%200%20a%20%2B%205%20%28%202%20a%20%2B%205%20%29)
![4a^{2} + 1 0 a + 1 0 a + 2 5](https://tex.z-dn.net/?f=4a%5E%7B2%7D%20%20%2B%201%200%20a%20%2B%201%200%20a%20%2B%202%205)
![4a^{2} + 20a+25](https://tex.z-dn.net/?f=4a%5E%7B2%7D%20%2B%2020a%2B25)