Answer:
a=5
Step-by-step explanation:
1. Multiply 4 and 6a by 4.
You'll get 24a + 16.
2. Subtract 16 from 136.
You'll get 120.
3. Divide 120 by 24 to get <em>a</em> by itself.
=a
a=5
Plz someone help this is urgent brainlest also 18pt
1 answer:
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Answer:
A = 16.5 cm²
Step-by-step explanation:
the area (A) of a trapezoid is calculated as
A = h (b₁ + b₂ )
where h is the perpendicular height between bases and b₁, b₂ the bases
here h = 3, b₁ = 7 , b₂ = 4 , then
A = × 3 × (7 + 4) = 1.5 × 11 = 16.5 cm²
