Square both sides
9(x + 2) = x + 4
Expand
9x + 18 = x + 4
Subtract x from both sides
9x + 18 - x = 4
Simplify 9x + 18 - x to 8x + 18
8x + 18 = 4
Subtract 18 from both sides
8x = 4 - 18
Simplify 4 - 18 to -14
8x = -14
Divide both sides by 8
x = -14/8
Simplify 14/8 to 7/4
<u>C. x = -7/4</u>
ANSWER
The answer is
B
EXPLANATION
The given expression is
Use the negative index property;
We apply this property to get:
This gives us:
The correct option is B.
Answer:
5 kilometers
Step-by-step explanation:
5000/1000=5
Answer:
irrational
Step-by-step explanation:
π stands for the ratio of the circumference to the diameter of a circle, an irrational number near 3.14159. Multiplying any irrational number by a rational number (-11, for example) gives an irrational result.
-11π is irrational
Add 1 3/5 and 3 1/8 = 4 6/40 and you simplify it to you can not
