Trey deposited 20% of his paycheck in the bank. if he deposited $30 how much was his paycheck

Mathematics

1 answer:

Komok [63]3 years ago

3 0

Answer: 150

Step-by-step explanation: so when you want a whole amount of something you want to the 100% of it because 100% is the whole thing right? Well right now you only have 20% so how much do you need to multiply that by to get 100%?? Well that answer is 5. Okay so now since $30 is 20% but we wanna get it to 100% multiply it by 5 so 30x5 which is 150

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Find length of minor arc in a circle include correct unit

babunello [35]

Answer:

$\frac{22\pi }{3} \: m$

Step-by-step explanation:

$central \: \angle ( \theta)\: for \: major \: arc \\ = 360 \degree - 30 \degree = 330 \degree \\ radius \: (r) = 4 \: m \\ length \: of \: major \: \overset{\frown} {ACB} \: \\ = \frac{ \theta}{360 \degree}\times 2\pi \: r \\ \\ = \frac{ 330 \degree}{360 \degree}\times 2 \pi \times 4 \\ \\ = \frac{ 11 }{12}\times 2 \pi \times 4 \\ \\ = \frac{22\pi }{3} \: m$