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Marianna [84]
2 years ago
12

The table below shows the amount of time 8 music students spent practicing the piano versus the number of mistakes that they mad

e in their recital.
a. Make a scatter plot of the data
b. what type of relationship does the scatter plot show (positive correlation, or negative correlation)

Mathematics
1 answer:
mojhsa [17]2 years ago
8 0
DONT CLICK DA LINK it’s a hacker
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Angl is a square. The equation of line NG is Y= 1/2 X - 6. Find the equation of line LG in slope intercept form given that the c
Irina18 [472]

Answer: y=-2x-9

Step-by-step explanation:

If ANGL is a square, then NG and LG are adjacent sides.

Adjacent sides are perpendicular.  [Each angle is 90°]

The equation of line NG is Y=\dfrac12 X-6.

By comparing it to equation in slope intercept form y=mx+c ( where , m= slope , c=y-interecpt)

slope =\dfrac12

Let slope of LG be <em>n</em>, then

n\times \dfrac{1}{2}=-1 [Product of slopes of two perpendicular line =-1]

\Rightarrow n=-2

Equation of a line passes through (a,b) and have slope m is given by :-

(y-b)=m(x-a)

Equation of LG :

(y-1)=-2(x-(-5))\\\\\Rightarrow\ y-1=-2x-10\\\\\Rightarrow\ y=-2x-9 [In intercept form]

3 0
3 years ago
Please please help me 30 points if you can I need the answer I know how to do it I just suck with the fractions
Marysya12 [62]

Answer:

1

Step-by-step explanation:

\text{Given that,}~ (x_1,y_1) = (-2,4)~ \text{and}~ \text{slope,}~ m  = -\dfrac 32\\ \\\text{Equation of line,}~\\\\~~~~~~~y -y_1 = m(x-x_1)\\\\\implies y  -4 =-\dfrac 32(x+2)\\\\\implies y-4 =-\dfrac 32x - 3\\\\\implies y = -\dfrac 32x -3 +4\\\\\implies y = -\dfrac 32x +1

7 0
1 year ago
Read 2 more answers
Please help<br> In the parallelogram below,<br> x = [? ]<br> 3х+7<br> 5x-17
kozerog [31]

Answer:

x = 12

Step-by-step explanation:

3х+7 = 5x-17

-2x = -24

8 0
3 years ago
Using Trigonometric ratios, solve the following triangle
timurjin [86]

Answer:

29.56

Step-by-step explanation:

From the given diagram

x = hypotenuse

27 = adjacent

Using SOH CAH TOA identity

cos theta = adj/hyp.

Cos 24 = 27/x

x = 27/cos24

x = 29.56

Hence the value of x to the hundredth place is 29.56

4 0
3 years ago
Find the volume of the sphere with radius of 9 cm. Round your answer to the nearest whole number and please be sure to include y
bija089 [108]

Answer:

3054cm rounded to the whole number

Step-by-step explanation:

4/3xxr^3

would become 4/3 x x 9^3

once you do all of the math you get 3054 cm.

5 0
3 years ago
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