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3 years ago

10

A book fair worker needs to place 2,204 books on displays with 58 books on each display how many displays are needed to hold all

the books

1 answer:

Akimi4 [234]3 years ago

7 0

The answer is 38 because:

2204/58=38

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Need help! Law of cosines...find b round to the nearest tenth please

dusya [7]

ANSWER

$B = 27.8 \degree$

EXPLANATION

The law of cosine is given by the formula:

${b}^{2} = {a}^{2} + {c}^{2} - 2bc \cos(B)$

From the diagram,

a=17, b=8, c=16

We substitute the given values into the formula to obtain:

${8}^{2} = {17}^{2} + {16}^{2} - 2(17)(16)\cos(B)$

$64 = 289+ 256- 544\cos(B)$

$64 = 545- 544\cos(B)$

$64 - 545 = - 544\cos(B)$

$- 481 = - 544\cos(B)$

$\frac{ - 481}{ - 544} = \cos(B)$

$cos(B) = 0.88419$

$B = \cos ^{ - 1} (0.88419)$

$B = 27.8 \degree$

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sineoko [7]

Answer:

B

Step-by-step explanation:

I did it on paper

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How can you use 4x7 to find 8x7?

max2010maxim [7]

4 x 7 is 28, and 8 x 7 is 56. You can use 4 x 7 to find 8 x 7 by multiplying that first and doubling that quotient.

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Please help me I need to turn in tomorrow please!!!!

adoni [48]

A 9% hope this helps good luck

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A manufacturer of skis offered chain discounts of 10/5/4 to many of its customers. Joe Jones ordered skis that had a total list

kati45 [8]

First,
149,500 * .10 = 14,950
149,500 - 14,950 = 134,550

then,
134,550 * .05 = 6727.50
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trade discount = 14950 + 6727.50 + 5112.90
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