R2-4r-77 = (r-11)(r+7)
r has to be greater than 11 in order for the formula to represent the area of a rug since a side length cannot be less than or equal to 0.
Answer:
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
SA = bottom rectangle area+side rectangle area + slant rectangle area + 2 triangles
= 26(36) + 10(36)+36(28) +2(0.5)(10)(26) = 2564 cm2
Answer:
1) B) 10
2) B) 9
Step-by-step explanation:
1) 10x+15=115
10x=100
x=10
2) 12x+17=125
12x=108
x=9