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2 years ago

6

Pls help with all of this idk how to do

1 answer:

garik1379 [7]2 years ago

5 0

4 times 1 = 4 so the top one would be 4/12, but i can't help with the rest because i don't understand what they are asking for

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Which scatterplot has a correlation coefficient closest to r = –1?

UNO [17]

A coefficient of r = -1 is a negative so the dots would move downward as they move to the right ( higher dots are on the left side, lower dots on the right side. As the coefficient gets closer to -1 the dots form more of a straight line then being scattered across the graph.

The last graph, which is marked with the blue dot is the correct one.

5 0

2 years ago

Read 2 more answers

tanner and three neighborhood friends are buying a basketball hoop that costs 249.84. if the cost is divided equally, how much w

natita [175]

Tanner plus his friends equate to four people.

Divide 249.84 by four.
$249.84 \div 4 = 62.46$
Each friend will pay $62.46

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2 years ago

If the unit selling price is 2.50 and the unit cost is 1.00, what action is needed to maintain the gross margin percentage when

lbvjy [14]

2.75

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7 0

2 years ago

Find the tangent plane to the given surface of f(x,y)=6- 6/5 x-y at the point (5, -1, 1). Make sure tat your final answer for th

HACTEHA [7]

Answer:

Required equation of tangent plane is $z=\frac{6}{5}(x-5y-11)$ .

Step-by-step explanation:

Given surface function is,

$f(x,y)=6-\frac{6}{5}(x-y)$

To find tangent plane at the point (5,-1,1).

We know equation of tangent plane at the point $(x_0,y_0,z_0)[/tex] is,

$z=f(x_0,y_0)+f_x(x_0,y_0)(x-x_0)+f_y(x_0,y_0)(y-y_0)\hfill (1)$

So that,

$f(x_0,y_0)=6-\frac{6}{5}(5+1)=-\frac{6}{5}$

$f_x=-\frac{6}{5}y\implies f_x(5,-1,1)=\frac{6}{5}$

$f_y=-\frac{6}{5}x\implies f_y(5,-1,1)=-6$

Substitute all these values in (1) we get,

$z=\frac{6}{5}(x-5)-6(y+1)-\frac{6}{5}$

$\therefore z=\frac{6}{5}(x-5y-11)$

Which is the required euation of tangent plane.

4 0

2 years ago

To measure the distance from the U,S to Istanbul, Turkey you would most likely use

grin007 [14]

Google maps
XD

This depends on what equipment you have, as I said before the internet is one way but you could use a scale map etc..

4 0

2 years ago