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Colt1911 [192]
2 years ago
12

Is 38 square root irrational or rational?

Mathematics
1 answer:
Andru [333]2 years ago
8 0

Answer: Irrational

Step-by-step explanation:

The only rational square roots are those that are perfect squares and 38 isn't a perfect square.

Examples of perfect squares: 4, 9, 16, 25, 36, 49, etc.

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There are 82 chairs at a birthday party. The chairs need to be lined up in equal-sized rows. How many possible ways can the chai
natali 33 [55]

Answer:

The number of possible ways can the chairs be lined up is 2 rows of 41.

Given that,

There are 82 chairs at a birthday party.

The chairs need to be lined up in equal-sized rows.

Based on the above information, the calculation is as follows:

= 2 \times 41=2×41

= 82 chairs

Here 2 denotes the rows.

Therefore we can conclude that the number of possible ways can the chairs be lined up is 2 rows of 41.

5 0
2 years ago
S KM ∥ JN? Why or why not?
bixtya [17]

Given: We have the given figure through which we can see

LK=16,

KJ=10,

LM=24,

MN=15

To Find: Whether KM || JN and the reasoning behind it.

Solution: Yes, KM || JN because \frac{16}{10}= \frac{24}{15}

Explanation:

For this solution, we use the concept of Similar Triangles.

Now, KM || JN if ΔLKM ~ ΔLJN (i.e., if ΔLKM is similar to ΔLJN).

Now, ∠MLK=∠NLJ

To prove similarity of the two triangles, we have to show that the sides are proportional. In other words, LK:KJ = LM:LN

LK:KJ=LM:LN\\\\ \frac{LK}{KJ} =\frac{LM}{LN}\\\\\frac{16}{26}= \frac{24}{39}\\\\

which is true as both sides simplify to \frac{8}{13}

Thus, we see that ΔLKM ~ ΔLJN (i.e., if ΔLKM is similar to ΔLJN).

Therefore, KM || JN.

To come to the reasoning, notice that

\frac{LK}{LJ} =\frac{LM}{LN}\\\\\frac{LK}{LK+KJ} =\frac{LM}{LM+MN}\\\\\frac{LK+KJ}{LK} =\frac{LM+MN}{LM}\\\\1+\frac{KJ}{LK}=1+ \frac{MN}{LM}\\\\\frac{LK}{KJ} =\frac{LM}{MN}

In other words, \frac{16}{10}= \frac{24}{15}


4 0
3 years ago
Read 2 more answers
You need to buy fertilizer for a circular flower bed with a diameter of 13 feet. If one bag will fertilize 10 square feet, how m
vfiekz [6]
The area of the circular flower bed
=(13÷2)^(2 × pie
≈132.73 sq.feet

the amount of fertilizer needed
132.73÷10
=13.273

Thus 14 bags of fertilizer will be needed

hope it helps
3 0
3 years ago
3 miles per minute is equivalent to feet per minute.
Sidana [21]

Answer: 15840 feet per minute.

Step-by-step explanation:

Convert 3 miles to feet  and let the minute stay the same.

3 miles is the same is 15840 feet.  

So it means the  3 miles is equivalent or equal to the same as  15840 feet per minute.

8 0
3 years ago
In Mr. Harold's class there are 12 students. They each have 5 pencils. Some of the students, s, each lost 2 pencils. Now, the st
Katena32 [7]
The answer would be C. (12 x 5) - (s x 2) = 38.

This is because if there are 12 students with 5 pencils per student, we can say 12 x 5. Then, think of the phrase, two pencils lost per student. That would be 2s, or (s x 2). Since it’s lost, we would subtract that amount from 12 x 5.
3 0
3 years ago
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