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lys-0071 [83]
3 years ago
15

NEED HELP ASAP!!!!

Mathematics
1 answer:
timama [110]3 years ago
8 0

Answer:

i think its 3x-8 not sure

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(c) Use a calculator to verify that Σ(x) = 64, Σ(x2) = 1118, Σ(y) = 628, Σ(y2) = 87,982, and Σ(x y) = 9,627.
amid [387]

The correlation based on the computation is 0.97.

<h3>How to compute the value?</h3>

It should be noted that the question is that we should simply calculate the correlation which is r.

The correlation will be:

= Σ(x y) / (Σ(x²) × Σ(y²)

= 9627/✓(1118 × 87982)

= 9627 ✓98363876

= 9627/9917.86

= 0.97

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

7 0
1 year ago
The square root of 83 can be platted on the number line below
wel
The answer is some number between 9 and 10.
Explanation:
√83
is an irrational number. You won't be able to simplify it any further either, since it doesn't have any perfect square factors.
However, you will be able to tell between which two numbers it lies in.
9^2 is 81 and 10^2 is 100
. Therefore, you can say that a certain number between 9 and 10 is 83 when squared.
If you're looking for an exact answer, then it will be 9.11043357914... (I got that using a calculator).
8 0
3 years ago
10. Write in slope-intercept form:<br> -3x + 4y = 12
Anastasy [175]

Answer:

Step-by-step explanation:

Write in slope-intercept form:

-3x + 4y = 12 is

 Slope = 1.500/2.000 = 0.750

 x-intercept = 12/-3 = 4/-1 = -4.00000

 y-intercept = 12/4 = 3

7 0
3 years ago
Find The surface area of the cylinder. round your answer to the nearest tenth
trasher [3.6K]

Answer:

791.7

.......

........................

.

6 0
3 years ago
the product of two consecutive integers n and n+1 is 42. what is the positive integer that satisfies the situation?
MrMuchimi
n(n+1)=42 \\&#10;n^2+n=42 \\&#10;n^2+n-42=0 \\ \\&#10;a=1 \\ b=1 \\ c=-42 \\ b^2-4ac=1^2-4 \times 1 \times (-42)=1+168=169 \\ \\&#10;n=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-1 \pm \sqrt{169}}{2 \times 1}=\frac{-1 \pm 13}{2} \\&#10;n=\frac{-1 -13}{2} \ \lor \ n=\frac{-1+13}{2} \\&#10;n=\frac{-14}{2} \ \lor \ n=\frac{12}{2} \\&#10;n=-7 \ \lor \ n=6

The positive integer is 6.
The consecutive integers are 6 and 7.
8 0
3 years ago
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