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kotegsom [21]
1 year ago
15

Side AB is 18, Side AC is 9, Side BC is 5. Find the SinA. Give your answer in fraction and decimal form.

Mathematics
1 answer:
Sladkaya [172]1 year ago
7 0

Input data

In any right triangle, the sine of an angle x is the length of the opposite side (O) divided by the length of the hypotenuse (H). In a formula, it is written as 'sin' without the 'e':

\begin{gathered} \sin A=\frac{5}{18} \\ \sin A=0.277 \end{gathered}

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Work out the Greatest Common Factor for both numbers

54                                         421×54                                   1×422×27                                  2×213×18                                   3×146×9                                    6×7

The common factors are: 1, 2, 3 and 6
The greatest common factor is 6
There are 6 identical arrangements that can be made
 
There will be 9 roses and 7 tulips in each arrangement

3 0
3 years ago
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-5 divided by 4 =.-12
Pachacha [2.7K]

Answer:

-5 ÷ 4 = -1.25 or 1 \frac{1}{4}

The answer is -1.25

I hope that this helps you! ^‿^

3 0
4 years ago
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Zucchini weights are approximately normally distributed with mean 0.8 pound and standard deviation 0.25 pound. Which of the foll
Charra [1.4K]

Answer:

0.81859

Step-by-step explanation:

We solve using z score method

The formula for calculating a z-score is is z = (x-μ)/σ,

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σ is the population standard deviation.

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Standard deviation 0.25 pound

For x = 0.55 pound

z = 0.55 - 0.8/0.25

= -1

Probability -value from Z-Table:

P(x = 0.55) = 0.15866

For x = 1.3 pounds

Z = 1.3 = 0.8/0.25

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Probability value from Z-Table:

P(x = 1.3) = 0.97725

The probability that a randomly selected zucchini will weigh between 0.55 pound and 1.3 pounds is

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0.97725 - 0.15866

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6 0
3 years ago
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lana66690 [7]

Answer:

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each necklace brings $16 profit (20-4=16)

400÷ 16= 25

so, at 25 necklaces, there will be enough profit to break even after paying for the advertising.

8 0
3 years ago
4n + 1= 25 how do I solve this and show my work?​
Ipatiy [6.2K]

Answer:

n=6

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Calculate

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