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sdas [7]
3 years ago
5

Select the correct answer. Simplify the following expression. 3x(4x − 3) please help meh

Mathematics
1 answer:
Natalija [7]3 years ago
4 0

Answer:

12x² - 9x

Step-by-step explanation:

Simplify the expression. Distribute 3x to all terms within the parenthesis. Multiply:

3x * 4x = 12x²

3x * -3 = -9x

12x² - 9x is your answer.

~

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Answer:

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Step-by-step explanation:

6 0
3 years ago
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An electrical engineer wishes to compare the mean lifetimes of two types of transistors in an application involving high-tempera
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Answer:

(115.2642, 222.7358).

Step-by-step explanation:

Given data:

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type B: n_2=180, xbar_2=1658, s_2=225

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xbar_1, xbar_2 are mean life of sample 1 and 2 respectively. Similarly, s_1 and s_2 are standard deviation of 1,2.

a=0.05, |Z(0.025)|=1.96 (from the  standard normal table)

So 95% CI is

(xbar_1 -xbar_2) ± Z×√[s1^2/n1 + s2^2/n2]

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8 0
3 years ago
Which sequence is not equivalent to the others?
Mila [183]
I  THINK its 2. :)                                         Hope i'm right.
6 0
3 years ago
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I need help please ​
ASHA 777 [7]

Answer:

the answer would be 81

Step-by-step explanation:

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3 years ago
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swat32

Answer:

9 ft

Step-by-step explanation:

As length, width and height are same, then it is a square prism / cube

Volume of prism = 729 ft³

side³ = 729

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Side = 9 ft

3 0
3 years ago
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