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mr_godi [17]
3 years ago
10

At a museum shop, Alysa bought two books for $28.50 and some cards for $3.25 each. Her total purchase came to $44.75. How many c

ards did she
buy
Mathematics
1 answer:
defon3 years ago
5 0

Answer:5

Step-by-step explanation:

44.75-28.50=16.25

16.25/3.25=5

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allsm [11]

Answer:

L(f(t)) = \dfrac{6}{S^2+1} [\sqrt{3} \ S +1 ]

Step-by-step explanation:

Given that:

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recall that:

cos (A-B) = cos AcosB + sin A sin B

∴

f(t) = 12 [cos\  t \  cos \dfrac{\pi}{6}+ sin \ t  \ sin \dfrac{\pi}{6}]

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L(f(t)) = 6 \sqrt{3}  \dfrac{S}{S^2 + 1^2}+ 6 \dfrac{1}{S^2 +1^2}

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3 years ago
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Neko [114]

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In the given options, we have first order pair (13,5), which is the inverse of order pair (5,13).

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