Answer:
? = 105
Step-by-step explanation:
Use similar triangles and law of proportions.
?/56 = 120/64
?/56 = 15/8
8 * ? = 56 * 15
? = 7 * 15
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No, the first ten perfect cubes are 1, 8, 27, 64, 125, 216, 343, 512, 729 and 1000.
Hey there!
f(x)=5x+3
f(5)=5(5)+3
f(5)=25+3
f(5)=28
Let me know if this helps :)