Answer: 385
Step-by-step explanation:
Mean the three groups of 10 kids=35
Total weight of 3 groups (10x35)=350
Mean weight of 3 groups and one boy ( 35 + 350)=385
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We have to factor becasue
area=legnth times width
area=4x^2+28x+49
area=(2x+7)(2x+7)
area=(2x+7)^2
legnth =width
we arent' given area so we can't solve
but, , since it is a squaer room, legnth=width so √area=legnth=width
Answer:
10560 square feet
Step-by-step explanation:
If 2 sides are 48 feet, then we are left with
feet for the remaining side pieces.
feet.
So our dimensions must be 48 x 62.
This gives us an area of
