Kate’s math homework had a set of equations and one word problem. She took 3 minuets to solve each other equation, then 7 minuet
1 answer:
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If Polo has 
CDs, then 
hence 
Hence, they have a total of
Hence, they have a total of
Answer:
x=4.63
Step-by-step explanation:
Area = (1/2) (base) (height)
20 = (1/2) (x+4) (x)
40 = x²+4x
x²+4x-40=0
Put in quadratic equation:
x=
x=
x=4.63324958071 or x=-8.63324958071
Since x can't be negative in this case we take our answer to be 4.63324958071, which rounds to 4.63