Answer:
150÷48=3hrs and 125minutes
Step-by-step explanation:
speed =distance/time
The point through which the same line is passing will be (9,13) so option (C) will be correct.
<h3>What is a line segment?</h3>
A line section that can connect two places is referred to as a segment.
A line segment is just part of a big line that is straight and going unlimited in both directions.
The line is here! It extends endlessly in both directions and has no beginning or conclusion.
The equation of any line with slope m can be given as
y = mx + c
Given,
slope m = 1/2
Point of passing (-7, 5)
So,
5 = -7/2 + c ⇒ c = 17/2
So the equation will be,
y = x/2 + 17/2
2y = x + 17
Now checking all points (9,13) is satisfying.
2(13) = 9 + 17
26 = 26
Hence point (9,13) is passing through the line.
For more about line segment
brainly.com/question/25727583
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Answer: ![0=2x^2-7x-9\\0=4x^2-3x-1\\0=x^2-2x-8](https://tex.z-dn.net/?f=0%3D2x%5E2-7x-9%5C%5C0%3D4x%5E2-3x-1%5C%5C0%3Dx%5E2-2x-8)
Step-by-step explanation:
We know that the standard quadratic equation is ax^2+bx+c=0
Let's compare all the given equation to it and , find discriminant.
1. a=2, b= -7, c=-9
So it has 2 real number solutions.
2. a=1, b=-4, c=4
![b^2-4ac=(-4)^2-4(1)(4)=16-16=0](https://tex.z-dn.net/?f=b%5E2-4ac%3D%28-4%29%5E2-4%281%29%284%29%3D16-16%3D0)
So it has only 1 real number solution.
3. a=4, b=-3, c=-1
![b^2-4ac=(-3)^2-4(4)(-1)=9+16=25>0](https://tex.z-dn.net/?f=b%5E2-4ac%3D%28-3%29%5E2-4%284%29%28-1%29%3D9%2B16%3D25%3E0)
So it has 2 real number solutions.
4. a=1, b=-2, c=-8
So it has 2 real number solutions.
5. a=3, b=5, c=3
![b^2-4ac=(5)^2-4(3)(3)=25-36=-9](https://tex.z-dn.net/?f=b%5E2-4ac%3D%285%29%5E2-4%283%29%283%29%3D25-36%3D-9%3C0)
Thus it does not has real solutions.
Answer:
It takes 32 Minutes for 12 people to paint 12 walls
Step-by-step explanation:
If it takes 8 people 32 minutes to paint 8 walls, then that means each person takes 32 minutes to paint 1 wall. With that being said, If you have 12 people painting 12 walls, It will take 32 minutes for all 12 walls to be painted.
Hope this helps!
Answer:
B
Step-by-step explanation: