Answer:
For the first one:
yes
constant rate of 4 inches of perimeter/per inch of side length
For the second:
no
not a constant rate
3x(x+3)^2 is your answer
start 3x^3+18x^2+27x
Pull out common factor of 3x
3x(x^2+6x+9)
Factor into 2 (x+3)s
then <span>combine
</span>3x(x+3)^2
Your factors are 3x, (x+3) and (x+3)
Hope this helps. If it did, make it brainliest
The two tangents are parallel to each other because the two lines perpendicular to the same line are parallel to each other.
Lk + JK = JL
The answer is Parallel to each other
Answer: 3.751*10^18kg
Step-by-step explanation:
δ =619.09−0.000097p....equa1 where p (the distance from the center of the earth) is measured in meters and δ is measured in kilograms per cubic meter.
Calculating the density of air at 5km above earth surface
P = 5000m + 6370000m = 6.375*10^6m
δ = 619.09 -(.000097* 6.375*10^6)
δ = 0.715kg/m^3 = density
Since Mass = density*volume...equ2
To calculate volume of air around the spherical earth at height 5km
V = (4/3 pai R^3) - (4/3pai r^3) ...equation 3 where R =6.375*10^6m, r = 6.37*10^6
Substituting R and r in equation 2 to solve for volume of air
V = 1.085*10^21 - 1.08*10^21
V = 5.25*10^18m^3
Substituting δ and V into equation 2 to solve for mass of air
M = 0.715 * (5.25*10^18)
M = 3.751*10^18kg
<u>Answer:</u>
The correct answer option is 'both Adler and Erika solved for <em>k</em> correctly because either the addition property of equality or the subtraction property of equality can be used to solve for <em>k</em><em>'.</em>
<u>Step-by-step explanation:</u>
Both Adler and Erika have solved for <em>k</em> correctly since both the properties, addition property of equality and subtraction property of equality, can be to solve for <em>k.</em>
The fraction 
has to be subtracted from both the sides so even if it is added, the negative sign still would make it subtracted from both the sides.
