Step-by-step explanation:
a)
Twice of a number added to 5.
Let the number be n.
Twice of the number: 2n
Twice of the number added to 5:
b)
Difference of squares of m and n multiplied by 6.
Difference of squares:
Difference of squares multiplied by 6:
c)
r cubed minus y squared
r cubed:
y squared:
r cubed minus y squared:
d)
Five times of x raised to the power of 5 added to twice of y cubed
Five times of x raised to the power of 5:
Twice of y cubed:
Five times of x raised to the power of 5 added to twice of y cubed:
Step-by-step explanation:
-4(4x-9)=2x
-16x+36= 2x
-16x - 2x = -36
-18x = -36
x = 2
Answer:
C
Step-by-step explanation:
First, let us understand that in simple terms the conjugate of a radical simply involves the change in sign of the radical
in the problem the conjugate of x+4+5
Answer:
$243
Step-by-step explanation: