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3 years ago

If you know the area of a square.. how do you find out the length of one side, formula to use?

2 answers:

6 0

Area can be found by using the formula A=lw. Just plug in the area for A and subfe you don't know l or w substitute then with x. Your new formula becomes Area= x times x which equals Area= x^2. Your formula is Area equals X to the second power. Hope that helps!!!

Reptile [31]3 years ago

4 0

A square has equal sides. If you know the length of one side just multiply the length x4 and you'll get your answer.
For example: If I had a square. One side of the length is 6cm, so I have to multiply 6x4 which is 24cm. My perimeter is 24cm.

Hope that helped:D

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Can someone please answer this question

baherus [9]

The formula that we would use is the probability of both over the probability of the rain only.

P[Wind and Rain ] / P [Rain] = 0.35 / 0.65 = 0.538 = 54%

The answer is A.

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3 years ago

Randomly meeting someone whose social security number ends in the same digit as yours

Galina-37 [17]

That is very cool and rare if you did it nice job!

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3 years ago

Read 2 more answers

There are 160 people in a grade. The ratio of boys to girls is 3 to 5. Which proportion can you use to find the number x of boys

Nezavi [6.7K]

Answer:

60 boys

Step-by-step explanation:

boys : girls = 3 : 5

Total number of people = 160

Let y = common factor:

Therefore, 3y + 5y = 160

⇒ 8y = 160

⇒ y = 160 ÷ 8 = 20

Boys = 3y = 3 x 20 = 60

Girls = 5y = 5 x 20 = 100

So there are 60 boys and 100 girls

3 0

1 year ago

Read 2 more answers

Find the missing length the triangles are similar.

ch4aika [34]

Answer:

Step-by-step explanation:

The missing length is 13 because,

Lets say the top triangle is A and the bottom triangle is B.

Triangle A gives us the side GF, and Triangle B gives us the sides TU and ST. Since the triangles are similar(as stated in the problem), we can pair 2 sides GF(A) and TU(B) which is 11:22.(one way I usually figure which sides are similar is by first- matching the hypotenuse, then checking which of the remaining two is longer.. if that made any sense). You can see that their relationship is x2 or /2 (In another word, from A to B is multiplication- ex: 11 * 2 is 22, and from B to A is division- ex 22/2 is 11.) Since the missing number is the hypotenuse of triangle A and you know the Hypotenuse of triangle B all you have to do is divide side TS by 2 to get side SF. So the missing side is 13.

Answer: 13

8 0

3 years ago

A repeated-measures study comparing two treatments with n = 4 participants produces md = 2 and ss = 75 for the difference scores

valentinak56 [21]

The estimated standard error for the sample mean difference is 2.5 .

According to the question

A repeated-measures study comparing two treatments

n = 4

MD(mean difference) = 2

SS (sum of square) = 75

Now,