Answer:
correct option is C) 2.8
Step-by-step explanation:
given data
string vibrates form = 8 loops
in water loop formed = 10 loops
solution
we consider mass of stone = m
string length = l
frequency of tuning = f
volume = v
density of stone = 
case (1)
when 8 loop form with 2 adjacent node is 
so here
..............1
and we know velocity is express as
velocity = frequency × wavelength .....................2
= f × 
here tension = mg
so
= f × ..........................3
and
case (2)
when 8 loop form with 2 adjacent node is
..............4
when block is immersed
equilibrium eq will be
Tenion + force of buoyancy = mg
T + v × × g = mg
and
T = v × - v × × g
from equation 2
f × 
= f × 
.......................5
now we divide eq 5 by the eq 3
solve irt we get
so
relative density 
relative density = 2.78 ≈ 2.8
so correct option is C) 2.8
Paying off the entire loan = 12 * 437.26 =
<span>
<span>
<span>
5,247.12
</span>
</span>
</span>
He paid 6 * 437.26 =
<span>
<span>
<span>
2,623.56
</span>
</span>
</span>
He then paid 2,556.03
2,623.56
plus = 2,556.03 =
<span>
<span>
<span>
5,179.59
</span>
</span>
</span>
<span>
<span>
5,247.12
</span>
minus </span><span>5,179.59 =
67.53 the amount of money he saved.
</span>
The answer is 0.51111111111111111 (It goes on for infinity).
Y = 3x + 4
y = 3x + 7
3x + 4 = 3x + 7
3x - 3x = 7 - 4
0 = 3.....incorrect....this system has no solutions because ur lines are parallel and they never cross.
or look at it this way..
y = 3x + 4
y = 3x + 7
both have slopes of 3...but the y intercepts are different......when this happens, it means the lines are parallel with no solution
(-1,8) is the correct answer I’m pretty sure
