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3 years ago

1 a ? 1 b If a < b, which symbol makes the sentence true? A) ≤ B) < C) = D) >

Mathematics

2 answers:

dsp733 years ago

7 0

1 a < 1 b <span>If a < b (because a is always less than b)

answer: </span><span>B) <</span>

____ [38]3 years ago

4 0

Answer:

Step-by-step explanation:

it's d

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Harper knows he is 50 yards from the school. The map on his phone shows that the school is 3/4 inch from his current location. I

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Answer:

150 yards

Step-by-step explanation:

50 yards=3/4inch

xyards=3inches

50/4=12.5

4*3=12

12.5*12=150

150 yards

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3 years ago

At the city museum, child admission is $5.70 and adult admission is $9.50. on Friday, 155 tickets were sold for a total sales of

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A swim meet has 13 contestants signed up for the 100-meter butterfly event. The first heat has 6 swimmers. How many different wa

tino4ka555 [31]

Answer:

6 swimmers in the first heat can be arranged in 1716 different ways.

Step-by-step explanation:

A swim meet has 13 contestants signed up. To calculate the arrangement of first 6 swimmers in first heat we will use combinations because order doesn't matter.

So to select 6 swimmers out of 13 contestants number of different ways

= $^{13}C_{6}$

= $\frac{13!}{(6!)(13-6)!}$

= $\frac{13\times 12\times 11\times 10\times 9\times 8\times 7!}{6!\times 7!}$

= $\frac{13\times 12\times 11\times 10\times 9\times 8}{6\times 5\times 4\times 3\times 2\times 1}$

= $\frac{1235520}{720}$

= 1716

Therefore, 6 swimmers in the first heat can be arranged in 1716 different ways.

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3 years ago

What is the value of x?

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The angle between the segment labled x and the chord labeled 30 is not specified. The measure of x cannot be determined, except to say that it is somewhere between 16 and the radius of the circle, √(16²+15²) = √481 ≈ 21.93.

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If the angle between x and the chord were marked as a right angle, one could say x=16, because all chords of the same length are the same distance from the center of the circle.

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Geometrical prove that limit X tends to zero sin x by X equals to 1 various is measured in radian

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$lim \frac{ \sin(x) }{x} = 1 \\$

It is true only whenever x tends to 0(zero)

it is not importent that x be in radian or in degree.

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3 years ago