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Mrac [35]
3 years ago
5

Expand ( 2 − x ) 5 and identify each part of the expression.

Mathematics
1 answer:
dimaraw [331]3 years ago
8 0
You use distributive property. So (5 x 2)-(5 x x)= 10 - 5x.
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WHERE ARE THE EXPERTS AND ACE!!!!!!! I NEED HELP PLS SHARE YO SMARTNESS!!!!! WILL GIVE BRAINLIEST AND RATE AND VOTE!!! EASY IM J
Goryan [66]

Hi, Laura! ;)

<h2>The answer to the first question is 5,62.</h2>

<h2><em>Here is the step by step solution</em>: </h2>

They want to know the center of a distribution. Another word for center is middle. When you have a set of numbers, you can find the middle by calculating the mean, the "average" of the data set.

1) Add all the numbers: 12,8 + 5,7 + 7,9 + 1,3 + 3,2 + 2,8 = 33,7

2) Divide the sum by the quantity of numbers, which is 6:  33,7 / 6 = 5,616

The closest number to 5,616 is 5,62.

==========================================================

Now let's answer your second question.

<h2>The correct answer is, indeed, 0,14.</h2>

<h2><em>How do we get to this number? Here is the step by step solution:</em></h2>

1) First step is to find out how many possible outcomes you have. It is the

number of raffle tickets in the box: 200.

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The probability of selecting a prize ticket is the number of prize tickets divided by all the raffle tickets in the box: 28 / 200 = 0,14.

Now, let's practice Probability with another Brainly problem:

brainly.com/question/16447117

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The perimeter of a rectangular field is 200 feet. The length of the field is 7 feet more than two times the width of the field.
bulgar [2K]
X = 2y + 7 ...............(1)
2x + 2y = 200 ........(2)

Substituting the expression for x in equation (1) into equation (2) gives
2(2y + 7) + 2y = 200 .....(3)
Equation (3) simplifies to
6y = 186
Therefore y = 31 feet.
Substituting the value for y into (1) gives
x = 69 feet.
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3 years ago
How do you find out the percentage of 55% of 140
qwelly [4]
I just found 10% of it, which is 14, then found 5% of it through the previous work, which is 7

then i multiplied 7 by 11, because 55/5 is 11, so 55% of 140 is 77
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