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frozen [14]
3 years ago
11

Collins middle school 180 sixth grade students. If the sixth grade is 30% of the total school, how many students are in the midd

le school
Mathematics
1 answer:
Vlad1618 [11]3 years ago
6 0

Answer:

680

Step-by-step explanation:

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Okay well the mode is the number that appears most pften for ex 112351 the mode is 1 because it is the number that is there more than the others
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3 years ago
Need help asap plss.
yanalaym [24]

Answer:

EF = 20 cm

Step-by-step explanation:

Here, we want to find the length of EF

To do this, we use the principle of similar triangles

The similar triangles we are considering here will be ;

FEA and FBD

when two triangles are similar, the ratio of their corresponding sides are equal

Let us calculate DC first

we can use Pythagoras’ theorem here and it is that the square of the hypotenuse equals the sum of the square of the two other sides

Using the triangle EDC

15^2 = 12^2 + DC^2

DC^2 = 225-144

DC^2 = 81

DC = 9

So the entire length of BD is 9 + 12 = 21 cm

Thus, we have it that;

Let EF be x

so DF = 15 + x

Hence;

BD/DF = AE/EF

21/15+x = 12/x

21x = 12(15 + x)

21x = 180 + 12x

21x-12x = 180

9x = 180

x = 180/9

x = 20 cm

EF = 20 cm

6 0
3 years ago
You work at a T-shirt printing business. Of the 2,800 T-shirts shipped, 396 have a defect. What is the experimental probability
ElenaW [278]
396 out of 2800 shirts are defected.
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What is 34 + 56 x 34 and have a great day ?
Kruka [31]

Answer:

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Step-by-step explanation:

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Remember to use PEMDAS.

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3 years ago
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