Mabel scores 19 points more on her pre-algebra test than Nancy. Phoebe scored 10 points less on her pre-algebra test than Nancy.
1 answer:
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Answer:
x=8
Step-by-step explanation:
Complementary angles are equal to 90 degrees.
angle ABC + angle DBC = 90
6x+13+4x-3=90
Combine like terms
6x+4x+13-3=90
10x+10=90
get x alone by subtracting 10 on both sides
10x=80
divide 10 on both sides
x=8
The volume of a rectangular prism:
substitute
The volume of a cylinder:
substitute:
Answer: C. The cylinder has the greater volume.