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yuradex [85]
3 years ago
8

Which diagram BEST represents the line of best fit for the scatterplot?

Mathematics
1 answer:
frez [133]3 years ago
3 0
I am pretty sure it is letter C
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Don't know how to express the value of X as any of those answer choices
Alekssandra [29.7K]

9514 1404 393

Answer:

  x = √(w(w+z))

Step-by-step explanation:

The idea with a right-triangle figure of this sort is that all of the triangles are similar. Here, x is the short side of ∆ABC, and the hypotenuse of ∆BDC. This suggests you want to write a similarity statement involving the short side and hypotenuse.

  BC/AC = DC/BC . . . . . short side/hypotenuse

  BC² = AC·DC . . . . . . cross multiply

  x² = (w+z)w . . . . . . substitute letter values

Taking the square root and rearranging to the form of the applicable answer choice, this is ...

  \boxed{x=\sqrt{w(w+z)}}

3 0
3 years ago
Given b= 4 and c= -5, evaluate b2 - c2.<br> 41<br> -2<br> -9
irina [24]

Answer:

-9

Step-by-step explanation:

b² - c²

= 4² - (-5)²

= 16 - 25

= -9

4 0
3 years ago
12/15,3/4,3/12 as a decimal/ how to get the answer
Darya [45]
Your answer is C I’m sure about that!
6 0
3 years ago
5. What’s the answer to this question ASAP
tatiyna

Answer:

D is the correct answer

(hope this helps)

8 0
3 years ago
What is the reciprocal of 9/2 and of 4/7 !pleasssee
Kitty [74]

Answer:

2/9 and 7/4(or 1  3/4)

Step-by-step explanation:

A reciprocal is just the original  number flipped.

6 0
2 years ago
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