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3 years ago

11

Jay gets a haircut each month. He always leaves the barber a tip that equals a percent of the total bill. write an equation that

will help him determine the amount of the tip he should leave h=cost of hair p=percent tip t=amount of barbers tip

2 answers:

TiliK225 [7]3 years ago

6 0

H * p = t
$20 *.20= $4

Sonbull [250]3 years ago

4 0

The answer is 4 dollars

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Answer:

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Step-by-step explanation:

You have to know the Unit Circle on this one. So, to start off, in the degree-angle range from 180° - 270° [Quadrant III], you must figure out the cosine value that gives you −½, and according to the graph, <em>theta</em><em> </em>will be represented as 240°. So, now that we have our <em>θ</em>, looking at the <em>y-value</em><em> </em>240°, since we want the <em>cosecant</em><em> </em>function, all we have to do is take the multiplicative inverse of $\displaystyle -\frac{\sqrt{3}}{2},$ which gives you $\displaystyle -\frac{2\sqrt{3}}{3}.$

Extended Information

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Answer:

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Step-by-step explanation:

Total number of books ordered in the library = 956

Let us assume the number of romance books ordered = m

⇒Number of mystery books ordered = 12 x (Number of romance books)

= 12 x(m) = 12 m

Also,number of science books ordered = 52 +(Number of romance books)

= 52 + m

Now, according to the question:

Number of { romance books + mystery books + science books} = 956

or, m + ( 12 m ) + (52 + m) = 956

or, 14 m = 956 - 52

or, 14 m = 904

⇒ m = 904/ 14 = 64.6

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Number of science fiction book ordered = = 52 + m = 116.6 ≈ 116

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