Answer:
A = 57.97 cm²
Step-by-step explanation:
The area (A) of a trapezium is calculated as
A = h (a + b)
where h is the perpendicular height and a, b the parallel bases
Here h = 6.2, a = 10.8 and b = 7.9, thus
A = × 6.2 × (10.8 + 7.9) = 3.1 × 18.7 = 57.97 cm²
Answer:
<u>Given expression:</u>
<u>The first root is valid when:</u>
<u>The second root is valid when:</u>
<u>So the variable x can get values within interval:</u>
Answer: The different possible solutions are 42, 21, 31 and 80.
Explanation:
The given expression is,
Case 1.
Case 2.
Case 3.
Case 4.
