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2 years ago

14

a middle school counselor randomly sampled students about their favorite subjects. According to the table, what is the total num

ber of students participating in the random sample? answer

1 answer:

Zolol [24]2 years ago

8 0

Hi kamusta ka naman?

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Si agrupo mis lápices de 2 en dos me sobra 1; si lo hago de 3 en 3, también me sobra 1 y si lo hago de 5 en 5 ocurre los mismo.¿

Vinvika [58]

Answer:

31 pencils

Step-by-step explanation:

What we must do is reduce the range of responses, the first thing is to limit the numbers to the interval between 30 and 40.

If it is two by two and there is one left, it means that all the pairs are eliminated.

If it is five in five and there is one left over, the ones ending in 5 are also eliminated.

If it is three by three and there is one left over, the 33 and 39 are eliminated.

Taking this into account, the possibilities are reduced to two numbers only, 31 and 37.

37 is discarded because when it is grouped from five to five, there are 2 left over.

So the answer is 31, you have 31 pencils.

7 0

2 years ago

What is the least common multiple (lcm) of 4 and 6

Annette [7]

I think 4 and 6 lcm is 12

7 0

3 years ago

Read 2 more answers

Three students attempt to define what it means for lines lll and mmm to be perpendicular.

Vanyuwa [196]

Please find diagram attached

Answer and explanation:

Perpendicular lines are lines that meet at 90 degrees/ right angle.

The question seems to be incomplete but I will explain what perpendicular lines are in the context of lines lll and mmm, with some assumptions about the lines.

Assume that line III is 30mm long and line mmm is 25mm long, we say that line III is perpendicular to line mmm if line III meets line mmm at 90 degrees as we see in the diagram attached.

7 0

2 years ago

What is the perimeter of this pentagon?

exis [7]

Answer:

the perimeter of the Pentagon is 2.75cm

Step-by-step explanation:

add each side together in decimal form

8 0

2 years ago

What value of n makes the equation 2(n+1)=-3(n-8)+3 true

LekaFEV [45]

<h3>Solution:</h3>

$2(n + 1) = - 3(n - 8) + 3 \\ = > 2n + 2 = - 3n + 24 + 3 \\ = > 2n + 3n = 24 + 3 - 2 \\ = > 5n = 25 \\ = > n = \frac{25}{5} \\ = > n = 5$

<h3>Answer:</h3>

5

<h3>Hope it helps.</h3>

ray4918 here to help

4 0

2 years ago

Read 2 more answers