Answer:
![-12a^{4} + 3a^{3} + 20a^{2} -5a](https://tex.z-dn.net/?f=-12a%5E%7B4%7D%20%20%2B%203a%5E%7B3%7D%20%2B%2020a%5E%7B2%7D%20-5a)
Step-by-step explanation:
• ![(4a-1)](https://tex.z-dn.net/?f=%284a-1%29)
Let's use FOIL (first, outer, inner, last) to solve this. We'll multiply the terms by one another in that fashion.
![20a^{2} - 5a - 12a^{4} + 3a^{3}](https://tex.z-dn.net/?f=20a%5E%7B2%7D%20-%205a%20-%2012a%5E%7B4%7D%20%2B%203a%5E%7B3%7D)
Rearrange in decreasing exponents.
![-12a^{4} + 3a^{3} + 20a^{2} -5a](https://tex.z-dn.net/?f=-12a%5E%7B4%7D%20%20%2B%203a%5E%7B3%7D%20%2B%2020a%5E%7B2%7D%20-5a)
Answer:
(-5-3/2,3+1/2)
(-13/2,7/2)
option A is correct
Step-by-step explanation:
Hope it helps
Answer:
Step-by-step explanation:
First you want to understand that every time a radio wave goes 300,000,000 meters a second passes, literally what meter per second means. of course it doesn't go that far, it goes 384,000 one way and then the same distance back, which makes 768,000. Under a third of the distance to make 1 second, so it will be less than one second.
You also want to understand the formula for speed. speed = distance / time. Whch also means, to find time you can change it to be time = distance / speed. And hey, we have distance and speed. 768,000 / 300,000,000 = .00256, I'll leave the significant figures to you unless you need help with them. but that's .00256 of a second. or .00256 s
Answer:
The value of the digit 6 in 23,640 is ? Times ? Than the value of the 6 in 167892
Answer:
48
Step-by-step explanation:
10% of 480 = 10/100 × 480
= 48