Y = 10n + 500....after 20 weeks...n = 20
y = 10(20) + 500
y = 200 + 500
y = 700 <== she will have 700 songs at the end of 20 weeks
<span>Problem: 3(x-5)-15=48
1. Multiply what's in the parenthesis
3x-15-15=48
2. Combine like terms
3x-30=48
3. Switch the sides
3x=48+30
3x=78
4. Divide
x=26
Answer: 26
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Step-by-step explanation:
Since we have 90° angle that means that side opposite of it is hypotenuse, so it goes:
a=10cm b=6 c=?

