ANSWER
a. d+4
b. 4d+16
EXPLANATION
The area of the square coaster is represented by:
We split the middle term to obtain,
We factor by grouping to get,
Since area of a square is l² , it means the side length of the square is
b) The perimeter of a square is given by
We substitute the length in terms of d, to obtain;
Or
Answer: rhombus and parralelogram
Step-by-step explanation:
Answer:
Add the exponents and keep the same base. Then find the reciprocal and change the sign of the exponent.
Step-by-step explanation:
your welcome
Answer: 17/24
Eplination: you need a common demonator
Step-by-step explanation:
Remember that the sum of angles on a straight line are supplementary. (180°)
Therefore 3x + 2 + 6x - 20 = 180.
=> 9x - 18 = 180
=> 9x = 198
=> x = 22.
