Answer:
2nd and 5th options
Step-by-step explanation:
the solution to a system of equations is at the point of intersection of the 2 lines.
If the lines are parallel then they never intersect and will have no solution.
The slopes m of parallel lines are equal.
The options with equal slopes , both - 2 are the
2nd and 5th options
Well using mental math, subtract .04 from 1.6 to get 1.56, which is s
<span>✡ </span>Answer: 75; 100-25-5 ✡
- - To solve this you are going to subtract.
Because you are taking away apples, in this case eating them
- - So: 100-20-5
Answer: 75
✡Hope this helps!<span>✡</span>
1/5 - 5/6 = -19/30, so the answer is Y ≤ 19/30
---
Hope this helps!
==jding713==
Answer:
Answer:
safe speed for the larger radius track u= √2 v
Explanation:
The sum of the forces on either side is the same, the only difference is the radius of curvature and speed.
Also given that r_1= smaller radius
r_2= larger radius curve
r_2= 2r_1..............i
let u be the speed of larger radius curve
now, \sum F = \frac{mv^2}{r_1} =\frac{mu^2}{r_2}∑F=
r
1
mv
2
=
r
2
mu
2
................ii
form i and ii we can write
v^2= \frac{1}{2} u^2v
2
=
2
1
u
2
⇒u= √2 v
therefore, safe speed for the larger radius track u= √2 v
