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xenn [34]
3 years ago
10

(11x^2+5y^2-8xy)+(x^2-7y^2+4x)

Mathematics
1 answer:
CaHeK987 [17]3 years ago
7 0

Answer:

4x2 - 3xy - 9y2

Step-by-step explanation:

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N 100 mL of a solution there are 36 g. How many mg will 7.5 mL contain?
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Answer:

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Step-by-step explanation:

5 0
1 year ago
Find the value of x such that the data set has the given mean.
Feliz [49]

The value of x is 108. If the mean of the data set 100, 122, 107, 115, 107, x is 108.

According to the given question.

We have a data set 100, 122, 105, 115, 107, x .

Also, the mean of the data set is 108.

As we know that, mean is the average of the given numbers and is calculated by dividing the sum of given numbers by the total number of numbers.

Therefore, the mean of the data set 100, 122, 105, 115, 107, x is given by

Mean = [100 + 122 + 107 + 115+ 107 + x]/6

⇒ 108  × 6 = (551 + x)

⇒ 648  = 551 + x

⇒ x = 648 - 551

⇒ x = 97

Hence,the value of x is 108. If the mean of the data set 100, 122, 107, 115, 107, x is 108.

Find out more information about mean here:

brainly.com/question/11163338

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7 0
1 year ago
Who wants a free brainly :)<br> only if you stan nicki and you have to tell me a fact about her.
Mademuasel [1]
She has a kid I think

4 0
3 years ago
Read 2 more answers
Lucy bought a 12 pound watermelon for $6.24.
Leokris [45]

Answer:

Part A: $0.52

Part B: $3.64

Step-by-step explanation:

Divide $6.24 by 12 pounds to determine the cost per pound

6.24/12=0.52

Multiply $0.52 by 7 pounds to find the cost for a 7-pound watermelon

0.52*7=3.64

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=12%5Ctimes%2012%5Ctimes%2011" id="TexFormula1" title="12\times 12\times 11" alt="12\times 12\t
vekshin1
12 x 12 x 11
12 x 12 = 144
144 x 11 = 1584


the answer is 1584 ! hope that helps :)
5 0
3 years ago
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