Answer:
38
Step-by-step explanation:
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30(x)<=145 and yes she would be able to make 4 bracelets because 30 x 4 = 120 and that is less than 145
Answer:
11.7
Step-by-step explanation:
A^2+b^2=c^2
x^2+15^2=19^2
Set the two expressions equal to each other.
7x + 3 = 9x
Simplify, isolate the x, subtract 7x from both sides
7x (-7x) + 3 = 9x (-7x)
3 = 2x
Set the equation = 0, subtract 3 from both sides
3 (-3) = 2x (-3)
0 = 2x - 3
2x - 3, or D, should be your answer
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