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3 years ago

6

Kamal bought 7 packs of paper clips for a project. Then he bought 8 more packs. There are 25 paper clips in each pack. How many

paper clips did he buy?

2 answers:

Rasek [7]3 years ago

3 0

The answer 375. the first 7 is 175 then add 200 to the 175 and that is how you get the full 8 more

astraxan [27]3 years ago

3 0

375 because if you add 7+8 it equals 15 then multiply it with 25

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Sloan [31]

Answer:

Vanessa gave 9 to Cisco, 3 in each group without giving to cisco

Step-by-step explanation:

3/8 of 24 = 9

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2 years ago

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DaniilM [7]

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3 years ago

Find all solutions in the region [0,2pi) for the equation cos^2(2x)-sin^2(2x)=0

Lynna [10]

$\cos^{2}(2x)-\sin^{2}(2x)=0$
$\rightarrow \sin^{2}(2x)=\cos^{2}(2x)$
$\rightarrow \frac{\sin^{2}(2x)}{\cos^{2}(2x)}=1$
$\rightarrow \tan^{2}(2x)=1$
$\rightarrow \tan(2x)=\pm 1$

$2x$ can range anywhere in $[0, 4\pi)$
So:
$\rightarrow 2x=\frac{\pi}{4}, \frac{3\pi}{4}, \frac{5\pi}{4}, \frac{7\pi}{4}, \frac{9\pi}{4}, \frac{11\pi}{4}, \frac{13\pi}{4}, \frac{15\pi}{4}$
$\rightarrow x=\frac{\pi}{8}, \frac{3\pi}{8}, \frac{5\pi}{8}, \frac{7\pi}{8}, \frac{9\pi}{8}, \frac{11\pi}{8}, \frac{13\pi}{8}, \frac{15\pi}{8}$

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3 years ago

Tessa buys a silver coat rack priced at $224. Shipping and handling are an additional 19 % of the price. How much shipping and h

Tamiku [17]

T=224(1.19)
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3 years ago

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muminat

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3 years ago