There are 500 students at Jacob's school. Jacob wants to conduct a survey of the students at his school to determine the level o
1 answer:
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Answer:
42x - 21 - 9x^2
Step-by-step explanation:
basically do the area of the whole rectangle then di the area of one of the empty spaces. then subtract the value of the empty space three times because there are three empty spaces.
Answer:
A = 56 in²
Step-by-step explanation:
the area (A) of a trapezoid is calculated as
A = h (b₁ + b₂ )
h is the perpendicular height between bases and b₁, b₂ the bases
here h = 7 , b₁ = 10 , b₂ = 6 , then
A = × 7 × (10 + 6) = 3.5 × 16 = 56 in²