Answer: 21
Step-by-step explanation: 84/4 = 21
Answer:
![9](https://tex.z-dn.net/?f=9)
Step-by-step explanation:
![(-1)^4-(-1)^3+(-1)^2+6](https://tex.z-dn.net/?f=%28-1%29%5E4-%28-1%29%5E3%2B%28-1%29%5E2%2B6)
![1-(-1)+1+6](https://tex.z-dn.net/?f=1-%28-1%29%2B1%2B6)
![1+1+1+6](https://tex.z-dn.net/?f=1%2B1%2B1%2B6)
![3+6=9](https://tex.z-dn.net/?f=3%2B6%3D9)
0.10(200) = 20...the discount is $ 20
<span>3x^2 = 7x - 3
Rearranging,
</span><span>3x^2 - 7x + 3 = 0
</span>Using quadratic formula :
x= [7 + sqrt (49 - 36)]/6
x= [7 + sqrt 13]
or
x= [7 - sqrt (49 - 36)]/6
x= [7 - sqrt 13]/6
<span>d. x - 7 plus or minus the square root of 13 divided by 6</span>
Answer:
Two equivalent ratios are: 4:5 and 48/60.
Step-by-step explanation:
Well, you can divide on the first one, and multiply on the second one. Hope it helps!