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3 years ago

The computed chi-square value is positive because the difference between the observed and expected frequencies is

Mathematics

1 answer:

Pani-rosa [81]3 years ago

5 0

The frequencies is small

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(5x^2+8x+18)+(11x^2-17x-7)

GuDViN [60]

Answer: 16x^2 - 9x + 11

Step-by-step explanation:

(5x^2+8x+18)+(11x^2-17x-7)

5x^2+8x+18+11x^2-17x-7

16x^2 - 9x + 11

3 0

3 years ago

Read 2 more answers

Which inequality is equivalent to |x-4| less than 9? –9 > x – 4 < 9 –9 < x – 4 < 9 x – 4 < –9 or x – 4 < 9 x –

Arisa [49]

The answer is -9 < x - 4 < 9

6 0

2 years ago

Guess the number pleaseeee

MaRussiya [10]

I might be wrong but 9

9*2=18
18+7= 25
25 square root = 5

Answer is 9

7 0

3 years ago

X=(y)/(y-3) make y the subject

Liula [17]

Answer:

$\displaystyle y=\frac{3x}{x-1}$

Step-by-step explanation:

<u>Solving Equations</u>

We have the expression:

$\displaystyle x=\frac{y}{y-3}$

And it's required to make y the subject.

It can be done by isolating y on the left side of the equation and the rest of the expression on the right side.

The first step is removing the denominator by multiplying both sides by y-3:

$\displaystyle (y-3)x=(y-3)\frac{y}{y-3}$

Simplifying the right side:

$\displaystyle (y-3)x=y$

Remove the parentheses:

$yx-3x=y$

Move the y's to the left side and the rest of the expression to the right side:

$yx-y=3x$

Factor out y:

$y(x-1)=3x$

Divide by x-1:

$\mathbf{\displaystyle y=\frac{3x}{x-1}}$

7 0

3 years ago

HELP WILL GIVE BRANLIEST

max2010maxim [7]

Answer:

Step-by-step explanation:

B makes more sense to me.. If it comes out wrong I deeply apologize-

7 0

3 years ago