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agasfer [191]
3 years ago
5

Hey can you please help me posted picture of question :)

Mathematics
2 answers:
denpristay [2]3 years ago
7 0
C is the correct answer
BabaBlast [244]3 years ago
4 0
Answer:
x² - 6x + 9

Explanation:
Before we begin, remember the following:
(a - b)(a - b) = (a - b)² = a² - 2ab + b²

Now, for the given, we have:
(x - 3)(x - 3)
We can note that the two brackets are identical. Therefore, we will simply apply the above rule as follows:
(x - 3)(x - 3)
(x - 3)² = (x)² - 2(x)(3) + (3)²
           = x² - 6x + 9

Hope this helps :)
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42=c+23 I hope I helped.
7 0
3 years ago
How is the formula for the circumference of a circle derived
Tanzania [10]

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Essentially by the definition of  

π

Step-by-step explanation:

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2 years ago
Solve please. Correctly<br> 3(1 - 2a) = -3a - 18
True [87]

Answer:

a = 7

Step-by-step explanation:

3(1 - 2a) = -3a - 18

3 - 6a = - 3a - 18

Add 18 to each side:

3 + 18 - 6a = - 3a - 18 + 18

21 - 6a = - 3a

Add 6a to each side:

21 - 6a + 6a = - 3a + 6a

21 = 3a

3a = 21

Divide each side by 3:

3a ÷ 3 = 21 ÷ 3

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6 0
2 years ago
Reserve Problems Chapter 4 Section 5 Problem 2 A laptop company claims up to 10.1 hours of wireless web usage for its newest lap
Viktor [21]

Answer:

0.1151

Step-by-step explanation:

Given that a laptop company claims up to 10.1 hours of wireless web usage for its newest laptop battery life. However, reviews on this laptop shows many complaints about low battery life. A survey on battery life reported by customers shows that it follows a normal distribution with mean 9.5 hours and standard deviation 30 minutes.

If X is the battery life then X is N(9.5, 0.5)

(we convert into one unit for calculations purpose here hours)

a) the probability that the battery life is at least 10.1 hours

=P(X\geq 10.1)\\=P(Z\geq \frac{10.1-9.5}{0.5} )\\= P(Z\geq 1.2)\\=0.1151

we get the probability that the battery life is at least 10.1 hours is 0.1151

4 0
3 years ago
Rewrite the expression without parentheses.<br> 13m−​(−9m−4​)
svetoff [14.1K]

Answer:

22m+4

Step-by-step explanation:

Let's break it down:

13m+-1(-9m-4)

13m+(9m+4)

22m+4

7 0
2 years ago
Read 2 more answers
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