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lisabon 2012 [21]
3 years ago
8

(2/2+3) (9 – (-5)) + (-5)​

Mathematics
1 answer:
user100 [1]3 years ago
4 0

Answer:

The answer is 51......

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World forma Of 309017
Maurinko [17]
Three hundred nine thousand seventeen.
4 0
3 years ago
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Which of the following is a solution to the equation 0=x^2-8x-13
adoni [48]
I would say "c". 
Two solutions were found :
<span><span>x =(8-√116)/2=4-√<span> 29 </span>= -1.385</span><span> 
x =(8+√116)/2=4+√<span> 29 </span>= 9.385</span></span>
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3 years ago
144<br><br> A. Is not a perfect square <br> B. Is a perfect square
Nata [24]
Yes 144 is a perfect square because 12*12=144
6 0
3 years ago
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9 (x-y)^2-9 (x+y)(x-y)
bazaltina [42]
<h2>Answer</h2>

This answer is 18y • (y - 1)

<h2>Explanation</h2>

Step by step solution:

Equation at the end of step 1:

9 (x - y) ^2 - 9 (x^{2} - y^{2})

Equation at the end of step 2:

9 (x^2 + y^2 - 2xy) - 9 (x^2 - y^2)

Equation at the end of step 3:

9x^2 + 9y^2 - 18xy - 9x^2 + 9y^2

Equation at the end of step 4:

After performing basic +, - operation we get:

18y^2 - 18xy

Answer is: 18y. (y – x)


3 0
3 years ago
A dart hits the board. What is the probability
Elena L [17]

Answer: The probability is 0.5

Step-by-step explanation:

The probability will be equal to the quotient between the area of region II, and the total area of the board (supposing that the probability of hitting in any place is equal)

The total area of the figure is equal to

Area = (15' + 35')*(8' + 20') = 50'*28' = 1400 in^2

Now, the area of region II is:

Region II = 20'*35' = 700

Then the probability is:

P = 700/1400 = 1/2 = 0.5

3 0
3 years ago
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