Answer:
bottom: 12 x 12 = 144
1st triangle: (12 x 8)/2 = 48
2nd triangle: 48
3rd triangle: 48
4th triangle: 48
144 + 48 + 48 + 48 + 48 = <u>336 cm squared</u>
If the sum of the square of a number plus the triple of the same number equals eighteen, the required numbers are 3 and -6
Let the unknown number be x
The square of the number is expressed as x²
Triple of the unknown number will also be expressed as 3x
Taking the sum of both numbers and equating it to 18 will give;

Factorize the resulting equation:

Hence the required numbers are 3 and -6
Learn more here; brainly.com/question/13805464
Answer:
-9/2
Step-by-step explanation:
-2x-5 = 4
+5 +5
-2x = 9
------ ------
-2 -2
x = -9/2
Answer:
I guess this is the answer
Answer:
7723/10000
Step-by-step explanation: