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Artyom0805 [142]
2 years ago
15

Please look at the picture down below

Mathematics
1 answer:
Setler79 [48]2 years ago
3 0

Answer:

D. 7.29.

Step-by-step explanation:

For a Normal Distribution:

Q1  = mean - (0.675) * standard deviation

= 8.5 - 0.675*1.8

= 7.285.

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Natasha_Volkova [10]

Answer:

x² + 6

Step-by-step explanation:

Given

(4x² - 6x + 8) - (3x² - 6x + 2) ← distribute by - 1

= 4x² - 6x + 8 - 3x² + 6x - 2 ← collect like terms

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3 0
3 years ago
What rational number represents a drop of 4 1/4 in?<br><br><br>Enter your answer in the box.<br>​
aalyn [17]

Answer:

The fraction 1/4 is a rational number.

It stands for the ratio between the integers 1 and 4.

6 0
2 years ago
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Don't know what to do :\\
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Answer: Choice A) 12x^2 - 48x + 21; all real numbers

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

Work Shown:

(f * g)(x) = f(x) * g(x)
(f * g)(x) = ( f(x) ) * ( g(x) )
(f * g)(x) = ( -2x+7 ) * ( -6x+3 )
(f * g)(x) = -2x*( -6x+3 ) + 7*( -6x+3 )
(f * g)(x) = -2x*(-6x) - 2x*(3) + 7*(-6x) + 7*(3)
(f * g)(x) = 12x^2 - 6x - 42x + 21
(f * g)(x) = 12x^2 - 48x + 21

The domain is the set of all real numbers because we can plug in any number in for x, to get some output for y. There are no issues to worry about such as division by zero errors, square root of a negative number, etc. 
6 0
3 years ago
I need help with mathcan someone plzz help me
xz_007 [3.2K]

Answer:

what is the question

Step-by-step explanation:

3 0
2 years ago
What is the slope of the line between (3,-4) and (-2, 1)?<br> O 1<br> 02.<br> O-2<br> O-1
natka813 [3]

Answer:

-1……..........................

4 0
3 years ago
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