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3 years ago

The table shows the time Mario worked and the

Mathematics

1 answer:

Andrews [41]3 years ago

5 0

Answer:

$120.25

Step-by-step explanation:

How much Mario would earn in 13 hours = 13 x amount earned in an hour

Amount earned in an hour = total amount earned / total hours

83.25 / 9 = 9.25

111/ 12 = 9.25

9.25 x 13 = 120.25

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Find the circumference and area of a circle with the diameter AB,<br> A(-8,4) and B(4,-1)

bezimeni [28]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{-8}~,~\stackrel{y_1}{4})\qquad B(\stackrel{x_2}{4}~,~\stackrel{y_2}{-1})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ AB=\sqrt{[4-(-8)]^2+[-1-4]^2}\implies AB=\sqrt{(4+8)^2+(-1-4)^2} \\\\\\ AB=\sqrt{144+25}\implies AB=\sqrt{169}\implies \stackrel{\textit{diameter}}{AB=13}~\hfill \boxed{\stackrel{\textit{radius}}{6.5}} \\\\[-0.35em] ~\dotfill$

$\bf \textit{circumference of a circle}\\\\ C=2\pi r\qquad \qquad C=2\pi (6.5)\implies C=13\pi \implies C\approx 40.84 \\\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \qquad A=\pi (6.5)^2\implies A=42.25\pi \implies A\approx 132.73$

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3 years ago

A town has a population of 12000 and grows at 5% every year. What will be the population after 12 years, to the nearest whole nu

r-ruslan [8.4K]

Answer:

21,550

Step-by-step explanation:

5% increase is 105% or 1.05

12000×(1.05)¹²

= 21,550.275912

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4 years ago

Four a number, increased by one , is between seven and thirteen .

Ahat [919]

Answer:

subscribe to nu tella

Step-by-step explanation:

if u cant find him search up <u>5 minute led lights. Enjoy!</u>

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4 years ago

Leo has already taken 1 page of notes on his own, and he will take 1 page during each hour

sattari [20]

Answer:

49 Hours

Step-by-step explanation:

If it takes him 1 hour to finish 1 page of notes and he already finished 1, he would need to do a total of 49 hours to get 49 more pages done.

Hope this helps!

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3 years ago

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4 years ago