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kifflom [539]
3 years ago
9

A refrigerator is priced 525.50. There is a 6% sales tax rate. What is the sales tax for the refrigerator in dollars and cents?

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0
It would be 525.50*0.06=31.53
And the total would be 525.50+31.53=557.03
Hope this helps
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Guys please help me match these<br><br> Brainliest will go to the right answer
sergij07 [2.7K]

Answer:

Step-by-step explanation:

10 - m = m - 10                  is  one solution

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3 years ago
7/8 = y/11 solve for y
olasank [31]
7/8 = y/11

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5 0
3 years ago
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The angle of elevation to the top of the Empire State Building in New York is found to be 11 degrees from the ground at a distan
Svetllana [295]
Draw a picture of a building and a one mile (or 5280 feet) distance to a point from the base of the building. 

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3 0
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In 2016, Stare A produced 600 million pounds more apples that State B. Together, the two states produced 1600 million pounds of
crimeas [40]

Answer:

800

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8 0
3 years ago
Find the exact value by using a half-angle identity. sin(5pi/12)
anzhelika [568]

Find <span>tan<span>(<span><span>5π</span>12</span>)</span></span> and sin ((5pi)/12)
Answer: <span>±<span>(2±<span>√3</span>)</span>and±<span><span>√<span>2+<span>√3</span></span></span>2</span></span>

Explanation:

Call tan ((5pi/12) = t. 
Use trig identity: <span><span>tan2</span>a=<span><span>2<span>tana</span></span><span>1−<span><span>tan2</span>a</span></span></span></span>
<span><span>tan<span>(<span><span>10π</span>12</span>)</span></span>=<span>tan<span>(<span><span>5π</span>6</span>)</span></span>=−<span>1<span>√3</span></span>=<span><span>2t</span><span>1−<span>t2</span></span></span></span>
<span><span>t2</span>−2<span>√3</span>t−1=0</span>

<span>D=<span>d2</span>=<span>b2</span>−4ac=12+4=16</span>--> <span>d=±4</span>

<span>t=<span>tan<span>(<span><span>5π</span>12</span>)</span></span>=<span><span>2<span>√3</span></span>2</span>±<span>42</span>=2±<span>√3</span></span>

Call <span><span>sin<span>(<span><span>5π</span>12</span>)</span></span>=<span>siny</span></span>
Use trig identity: <span><span>cos2</span>a=1−2<span><span>sin2</span>a</span></span>
<span><span>cos<span>(<span><span>10π</span>12</span>)</span></span>=<span>cos<span>(<span><span>5π</span>6</span>)</span></span>=<span><span>−<span>√3</span></span>2</span>=1−2<span><span>sin2</span>y</span></span>
<span><span><span>sin2</span>y</span>=<span><span>2+<span>√3</span></span>4</span></span>
<span><span>siny</span>=<span>sin<span>(<span><span>5π</span>12</span>)</span></span>=±<span><span><span>√<span>2+<span>√3</span></span></span>2</span></span></span>

5 0
3 years ago
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