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Furkat [3]
3 years ago
12

During a sale, a shirt was marked down from $70 to $56. What was the percent decrease?

Mathematics
2 answers:
Finger [1]3 years ago
5 0

70 x n%= 56

n% = 70 x 56

n = 0.8 x 100

n = 80

the percent decrease = 100 - 80

= 20 %

KATRIN_1 [288]3 years ago
3 0

-20.00% is the percent decrease

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Step-by-step explanation:

\cos \theta  =  \frac{1}{ \sec\theta }  =  -  \frac{3}{ \sqrt{30} }  =  -  \frac{3 \sqrt{30} }{30}   =  -  \frac{ \sqrt{30} }{10}

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Note that

\sin( - \theta) =  -  \sin \theta

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Therefore,

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2 years ago
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balandron [24]

Answer:

<em>2 7/24</em>

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<em>First we have to add the gallons of two cow of each owner:</em>

<em>Hank's cows: </em><em>4 3/4 + 4 1/8</em>

<em>Add the whole numbers:</em>

<em>4 + 4 = 8</em>

<em>Now for 3/4 and 1/8 </em>

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<em>6/8 + 1/8</em>

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<em>Put together :</em>

<em>8 7/8</em>

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<em>Add the whole number</em>

<em>5 + 5 = 10</em>

<em>Now for 1/2 and 2/3</em>

<em>3/6 + 4/6</em>

<em>1 1/6</em>

<em>10 + 1 1/6 </em>

<em>= 11 1/6</em>

<u><em>Since now we know that:</em></u>

<u><em>Hank - </em></u><em>8 7/8</em>

<u><em>Debra - </em></u><em>11 1/6</em>

<em>we can solve the question:</em>

<em>How many more gallons of milk did Debra's two cows produce on that compared to Hank's two cows?</em>

<em>Solution:</em>

<em>11 1/6 - 8 7/8</em>

<em>Subtract whole number</em>

<em>11 - 8 = 3</em>

<em>Now for 1/6 and 7/8</em>

<em>4/24 - 21/24</em>

<em>4-21/24</em>

<em>-17/24</em>

<em>2 7/24</em>

<em />

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Answer: 6 sides and 6 vertices

Step-by-step explanation:

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