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Umnica [9.8K]
3 years ago
12

Section B: Multiples and factors 1. Why is the number 17 classified as a prime number? ​

Mathematics
2 answers:
12345 [234]3 years ago
4 0
17 is a prime number because it’s only divisible by 1 and it’s self, so it only has 2 factors.
Vladimir [108]3 years ago
4 0

Answer:

Prime Number is a number that can be divided exactly only by itself and 1. Since 17 has exactly two factors 1 and 17, it is a prime number.

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Step-by-step explanation:

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A horse corral is situated on a triangular plot of land. Two sides of the plot are 150 feet long and they meet at an angle of 55
Brrunno [24]

Answer : d. 438.5 ft

The diagram for the given statement is attached below.

Two sides AB and AC are equal so the angle B = angle C

WE know sum of three sides of a triangle = 180

angle A + angle B + angle C = 180

55 + B + C = 180

B + C = 180 -55 = 125

B and C are equal so we divide 125 by 2

angle B = 62.5 and angle C = 62.5

Now we apply sin law

\frac{sin A}{a} = \frac{sin B}{b}

\frac{sin 55}{a} = \frac{sin 62.5}{150}

150 * sin(55) = sin(62.5) * a

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a = \frac{ 122.8728066}{sin(62.5)}

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To find perimeter we add all the sides

150 + 150 + 138.52 = 438.52 feet



5 0
3 years ago
Help, please......................................................
natima [27]

Answer:

36

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5 0
3 years ago
Read 2 more answers
There are 400 silver dollars in two bags. If 275 are in one bag, how many are in the other bag?
xz_007 [3.2K]
If there are 400 silver dollars in all, and there are 275 in one bag, to find the amount in the other bag, just subtract:

400-275=125

There are 125 in the other bag.
4 0
3 years ago
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