Answer:
2x^2(3x^2-2x-1)
Step-by-step explanation:
12x^4 - 8x^3 - 4x^2
everything is a multiple of 4 so divide the whole thing by 4
12x^4 - 8x^3 - 4x^2/4= 3x^4-2x^3-1x^2
write it in disturbed form
2(3x^4-2x^3-1x^2)
now if u see we can see that the X will be same, so we also have to factor it out and 2 is the exponent that all can give
2x^2(3x^2-2x-1)
Answer:
17.3
Step-by-step explanation:
To solve this equation, you need to use the pythagorean theorem which is:
![a^{2} +b^{2}= c^{2}](https://tex.z-dn.net/?f=a%5E%7B2%7D%20%2Bb%5E%7B2%7D%3D%20c%5E%7B2%7D)
a= length
b= height
c= hypotenuse
First, substitute in your values for the equation:
![10^2+b^{2} =20^{2}](https://tex.z-dn.net/?f=10%5E2%2Bb%5E%7B2%7D%20%3D20%5E%7B2%7D)
Then, use the squares in the equation:
![100+b^{2} =400](https://tex.z-dn.net/?f=100%2Bb%5E%7B2%7D%20%3D400)
Then, subtract 100 from both sides to isolate b:
![b^{2} =300](https://tex.z-dn.net/?f=b%5E%7B2%7D%20%3D300)
Finally, square root both sides to get your answer:
![b=17.3205080757](https://tex.z-dn.net/?f=b%3D17.3205080757)
Then round to the nearest tenth which gives you 17.3.
The equation in y = mx+b form is y = -450x+2745
where,
x = number of hours that have passed by
y = distance to destination in miles
The y intercept is 2745 since this is the initial starting y value, aka the starting distance. Therefore b = 2745.
The slope is -450 or -450/1 since for each hour, the distance goes down by 450. You can think of it as
slope = (change in y)/(change in x)
slope = (change in distance)/(change in time)
slope = (-450 miles)/(1 hour)
slope = -450
Also undefined. What they tried to do in this question was give you more info then needed. if there is no slope then it is considered undefined
X - the length of the model:
36.25 : 9 = x : 1.25
9 x = 36.25 · 1.25
9 x = 45.3125
x = 5.03 ≈ 5 inches.