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2 years ago

Which is a perfect square between, 5, 8 ,36, 44?????

Mathematics

2 answers:

kirill115 [55]2 years ago

6 0

36.

A perfect square is when 2 of the same numbers times each other and make a number. For instance, 2 and 2 makes 4, so 4 is a perfect square.

Heres another example, 8 and 8 make 64, so 64 is a perfect square.

In this case, 36 = 6 *6 ; making it a perfect square!

Read more on Brainly.com - brainly.com/question/2708974#readmore

posledela2 years ago

4 0

A perfect square is defined as the product of two equal whole numbers.
For example;
5 x 5 = 25, 25 is a perfect square.

5 has the factors of 1&5 and no self-multiplied factors, so it is NOT a perfect square.
8 has the factors of 1&8 and 2&4, and has no self-multiplied factors so it is NOT a perfect square.
36 has the factors of 1&36, 2&18, 3&12, 4&9, and 6&6.
36 has 6•6, which is a perfect square.

Although there could be more than two numbers that the question's asking for, 44 (simply put) is not a perfect square.

36 is your answer.

I hope this helps!

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In a shipment of 56 vials, only 13 do not have hairline cracks. If you randomly select 3 vials from the shipment, in how many wa

Elden [556K]

Answer: 27434

Step-by-step explanation:

Given : Total number of vials = 56

Number of vials that do not have hairline cracks = 13

Then, Number of vials that have hairline cracks =56-13=43

Since , order of selection is not mattering here , so we combinations to find the number of ways.

The number of combinations of m thing r things at a time is given by :-

$^nC_r=\dfrac{n!}{r!(n-r)!}$

Now, the number of ways to select at least one out of 3 vials have a hairline crack will be :-

$^{13}C_2\cdot ^{43}C_{1}+^{13}C_{1}\cdot ^{43}C_{2}+^{13}C_0\cdot ^{43}C_{3}\\\\=\dfrac{13!}{2!(13-2)!}\cdot\dfrac{43!}{1!(42)!}+\dfrac{13!}{1!(12)!}\cdot\dfrac{43!}{2!(41)!}+\dfrac{13!}{0!(13)!}\cdot\dfrac{43!}{3!(40)!}\\\\=\dfrac{13\times12\times11!}{2\times11!}\cdot (43)+(13)\cdot\dfrac{43\times42\times41!}{2\times41!}+(1)\dfrac{43\times42\times41\times40!}{6\times40!}\\\\=3354+11739+12341=27434$

Hence, the required number of ways =27434

5 0

2 years ago

Solve this with me plz plz plz plz

Ulleksa [173]

Answer:

5b+1c=3b+5c

Step-by-step explanation:

Let's use the variable c for the circles and b for the boxes.

The weights are the same on both sides, so count the boxes and circles on each side.

There are 5 boxes and 1 circle on the left side. The left side of the equation says 5b+1c.

There are 3 boxes and 5 circles on the right side. The right side of the equation says 3b+5c.

And since the 2 sides are equal, you split the 2 sides of the equation with =.

5b+1c=3b+5c

8 0

2 years ago

In a speed race there are markers every 0.8 miles.If the course is 36 miles long,how many markers will be placed along the route

Masja [62]

36 divided by 0.8 = 45
45 makers will be placed along the route

8 0

3 years ago

I need help ASAP!!!!!!

topjm [15]

Answer:

1. YES 2. NO

Step-by-step explanation:

1. Since x=0.121212... and the question is asking for 100x, we need to multiply each side by 100. 0.121212... multiplied by 100 is 12.1212... So YES, 100x is still a repeating decimal.

2. 12.121212... minus 0.121212... would just be 12. This is because if we know that all the numbers behind the decimal point is 0.121212 and so on, 12.121212... minus 0.121212... the numbers behind the decimal would cancel out. So we are left with 12. So NO, the answer for 99x is NOT a repeating decimal.

6 0

3 years ago

(9,-8) and (9,6) and determine the equation of the line.

Verdich [7]

Answer:

The answer is undefined.

Step-by-step explanation:

The x will never change, no matter what the y is, so the answer will always be undefined.

8 0

3 years ago