Answer:
4.2494369805536 km
Step-by-step explanation:
r = 4.2494369805536km because 26.7/2π which means:
26.7 ÷ 3.14159265359 x 2 = 4.2494369805536 km.
X = -10
Y = 8
2 X + 3 Y = 4 ---- (i)
5 X + 4 Y + 13 = 0 ---- (ii)
rearranging eqn (ii), we have
5X + 4Y = -13 ----- (ii)
multiply eqn (i) by 5 and eqn (ii) by 2
10X + 15Y = 20 ---- (iii)
10X + 8Y = -26 ---- (iv)
subtracting eqn (iv) from (iii), we have
10X - 10X + 15Y - 8Y = 20 - (-26)
0 + 7Y = 20 + 26
7Y = 56
Y = 56/7
Y = 8
Substituting Y into eqn (i), we have
2X + 3Y = 4
2X + 3(8) = 4
2X + 24 = 4
2X = 4 - 24
2X = -20
X = -20/2
X = -10
I just know A ♀️
A. The roots: (-2,0) and (3,0)
These are essentially just the x intercepts.
Answer:
Solve for n:
28 = n
Hint: | Reverse the equality in 28 = n in order to isolate n to the left hand side.
28 = n is equivalent to n = 28:
Answer: n = 28
Step-by-step explanation: