Answer:
x = 7 x = -7
Step-by-step explanation:
n^2 - 49 = 0
+49 +49
n^2 = 49

Answer:
The value of x = 64. Hence, option A is correct.
Step-by-step Explanation:

We know that the rule:

can be represented as:

so

4³=x
x = 64
Thus, the value of x = 64. Hence, option A is correct.
Answer:
answer is 13
Step-by-step explanation:
opposite angles of parallelogram are equal
therefore,65=5z
z=65/5
z=13
(f o g)(x) = 2(5x + 1) - 6 = 10x - 4
(g o f)(x) = 5(2x - 6) + 1 = 10x - 29
So (f o g)(x) produces the greatest output.
Answer:
Since,
Length is 4 times Breadth
Let Breadth be x
Therefore,Length=4x
Perimeter=50m
Therefore,
50m=2(l+b)
50m=2(4x+x)
50m=2(5x)
50m=10x
x=5m.
Therefore,
Breadth=5m
Length=4x=4×5=20m