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3 years ago

What’s 4+5+6+7+8. Plzzzzzzzz

Mathematics

2 answers:

irina1246 [14]3 years ago

8 0

It's 30

Hope that helped!

timurjin [86]3 years ago

3 0

Answer: it is 30

Step-by-step explanation:

4+5=9

9+6=15

15+7=22

22+8=30

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A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, and SP = 30. What is the slope for the regression equation for p

Mumz [18]

Answer:

Step-by-step explanation:

We have given $SS_X=10$ , $SS_Y=40$ and SP =30

We have to find the slope for regression on Y from X

The slope on Y from X is given by $b_{yx}=\frac{SP}{SS_X}$

As we have given the value of SP =30 and value of $SS_X=10$

So slope for regression will be $b_{yx}=\frac{30}{10}=3$

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3 years ago

What’s the answer and how do I solve this ?

sammy [17]

Y = (x + 3)² - 2
you get this by... uh, moving the vertex of the parabola three to the left (+3) and down two (-2)...

6 0

3 years ago

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WILL GIVE U BRAINLIEST ♡ Rationalize the denominator of fraction with numerator square root of -36 divided by (2-3i)+(3+2i)

Dmitriy789 [7]

Answer:

$- \frac{3}{13} + \frac{15i}{13}$

Step-by-step explanation:

$\frac{ \sqrt{ - 36} }{(2 - 3i) + (3 + 2i)}$

Set up equation

Step 1: Simplify

$\frac{6i}{5 - i}$

Step 2:Multiply by conjugate

$\frac{6i}{5 - i} \times \frac{5 + i}{5 + i}$

Step 3:Simplify

$\frac{30i + 6 {i}^{2} }{ {i}^{2} - 5 {}^{2} }$

We can reduce this and we must make the imaginary number and real number serpate equations.

$- \frac{6}{26} + \frac{30i}{26}$

Reduce each by 2

$- \frac{3}{13} + \frac{15i}{13}$

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2 years ago

Suppose that an experiment is repeated four times. A certain event has probability 1/10 in a single repetition of the

frez [133]

Answer:

2/5

Step-by-step explanation:

1/10 times 4

4/10 equals to 2/5

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3 years ago

What is the simplest form for 36 over 9

Molodets [167]

4. because it is reduced and the simplest to understand

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3 years ago

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