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zavuch27 [327]
3 years ago
15

Please help solving this word problem.

Mathematics
1 answer:
BARSIC [14]3 years ago
8 0

Answer:

there is no word problem it is just a big cross

Step-by-step explanation:

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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
3 0
3 years ago
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Fran has 18 paperback books and 24 hardcover books. What is the ratio of hardcover to paperback books?
kondaur [170]
The correct answer is 3:4
6 0
2 years ago
Can someone answer this question for me pls n thanks
allsm [11]

Answer:

Mean: 29.5;    Median: 26;    Modes: 25, 26

Step-by-step explanation:

Add 10+12+25+25+26+26+30+31+33+34+47+55 = 354

Then divide it by 12      354/12 = 29.5

Mode are numbers that appear most often which in this case are 2 numbers, 25 and 26.

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2 years ago
A man gathers nuts in a forest. Each time he finds a nut, there is a 20% chance it is a pecan and a 35% chance it is a walnut.
gladu [14]
Either a pecan or walnut means you add the probabilities together

20% plus 35% equals 55%
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3 years ago
Finding the area of each figure
Levart [38]

The area of the figure i can see is 68.89 cm squared

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