For the first one yes because you add essentially 1, but three times so you have 3x's whish is 3x. for problem two you get 8xy because of the common base number. number two is no. for number three. no,because you distribute the negative which woukd make negative x minus 8. number problem 4 yes because distrubute the 4 to the x and 5
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Answer:
Step-by-step explanation:
If 84% are fiction, then the fraction of these are simply the percentage over 100:
Simplified down by dividing by 4:
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3/9 because it simplifies to 1/3 which is 0.33333333333333...
Answer:
72 inch²
Step-by-step explanation:
Rectangular classroom
Length=36ft
Width=32ft
scale drawing length = 9 inches
Scale drawing width=x
Ratio of the length to the scale drawing length = 36/9
Ratio of the width to the scale drawing width=32/x
To find x
36/9=32/x
Cross product
36x=32*9
x=288/36
=8
x=8
Area of a rectangle= length × width
Length=9 inches
Width=8 inches
Area of the rectangular classroom= 9 inches × 8 inches
=72 inch²
Answer:
Step-by-step explanation:
volume=1/3 πr²h
=1/3×π×3²×4
=12π ft³
≈37.70 ft³
