3 years ago

Find the area of a right angled triangle whose legs are 12 cm and 14 cm.

Mathematics

1 answer:

andrew-mc [135]3 years ago

3 0

Answer:

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Step-by-step explanation:

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PLEASE HELP ASAP I need help finding the rate of change

Talja [164]

G(6)-g(2)/6-2
g(6) = 50
g(2) = 14
50-14/6-2
36/4
=9

6 0

3 years ago

Kelly watches 3/5 of a movie in 5/8 of an hour. How much time wil it take her to watch the entire movie?

iVinArrow [24]

well, putting the movie in fifths, she watched 3/5, the whole movie will be 5/5 = 1.

$\begin{array}{ccll} \stackrel{movie}{fraction}&hour\\ \cline{1-2} \frac{3}{5}&\frac{5}{8}\\[1em] \underset{whole}{1}&x \end{array}\implies \cfrac{~~ \frac{3}{5}~~}{1}=\cfrac{~~ \frac{5}{8}~~}{x}\implies \cfrac{3}{5}x=\cfrac{5}{8}\implies \cfrac{3x}{5}=\cfrac{5}{8} \\\\\\ 24x=25\implies x = \cfrac{25}{24}\implies x = 1\frac{1}{24}\qquad \textit{1 hour, 2 minutes and 30 seconds}$