Answer:
The same ratio indicates that there is a proportional relationship between y and x.
Step-by-step explanation:
We know when y varies directly with x, the equation is
y ∝ x
Here,
k is the constant of proportionality.
The ratio y/x indicates that k is a constant of proportionality.
Thus, the same ratio indicates that there is a proportional relationship between y and x.
When x increases, y increases, and when y decreases, x also decreases.
Answer:
BC = = 49 unit
Step-by-step explanation:
The given as AC is a line with B as its mid point
AND ,
AC = 8x + 15
AB = 3x + 4
BC = 4x - 1
∵ AC = AB + BC
Or, 8x + 15 = ( 3x + 4 ) + ( 4x - 1)
Or, 8x + 15 = 7x + 3
Or, 8x - 7x = 3 - 15
∴ x = - 12
SO, AC = 8x + 15 = 8 × ( - 12) + 15 = - 81
Or, AC = = 81 unit
And ,AB = 3x + 4 = 3 × ( - 12) + 4 = - 32
Or ,AB = = 32 unit
Similarly BC = 4x - 1 = 4 × ( - 12) - 1 = - 49
Or, BC = = 49 unit Answer
Answer:
n = -4
Step-by-step explanation:
in multiplication if the base are same u can add there exponent.
base of both sides are equal so their exponent will be equal
2n + 1 + 5 = n + 2
2n + 6 = n + 2
2n - n = 2 - 6
n = -4