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Bond [772]
2 years ago
15

Theoretically if a card is chosen 200 times, how many times would you expect to get a card without stripes?

Mathematics
1 answer:
steposvetlana [31]2 years ago
3 0

Answer:

5

Step-by-step explanation:

200/2=100 then after 100 u divide card by 2 so 100/2 and that's 50 and then last divide by 10 because its the circumference so its 5

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Find the equation of a line that is perpendicular to 4x+6y=1 and that has a greater intercept to the line 2x+3y=18
enot [183]

Answer:

2y - 3x = -15

Step-by-step explanation:

Slope of the line 4x + 6y = 1 is as shown below;

Rewrite in slope intercept form;

6y = -4x+1

y = -4x/6 + 1/6

y = -2x/3 + 1/6

mx = -2/3x

m = -2/3

The slope of the line perpendicular M = -1/(-2/3)

M = 3/2

Get the x and y intercept of 2x+3y = 18

x intercept occurs when y  = 0

2x + 0 = 18

x= 18/2

x = 9

y intercept occurs when x  = 0

0 + 3y = 18

3y= 18

y = 18/3

y = 6

The line passes through the point (9,6)

Write the equation in point slope form

y - y0 = m(x-x0)

y - 6  = 3/2(x-9)

2(y-6) = 3(x-9)

2y - 12 = 3x - 27

2y - 3x = -27 + 12

2y - 3x = -15

This gives the required equation

8 0
3 years ago
Justin Bieber's sand castle is 180 cm tall but the wind is
larisa [96]

Answer:

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Step-by-step explanation:

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3 years ago
Wirte an equation for (-2, -5), (-6,9)
olchik [2.2K]

Answer:

y = -3.5x - 12

Step-by-step explanation:

Find the slope with rise over run: (y2 - y1) / (x2 - x1)

Plug in the points:

(9 + 5) / (-6 + 2)

14/-4

= -3.5

Then, plug this and a point into the equation y = mx + b to find b:

y = mx + b

9 = -3.5(-6) + b

9 = 21 + b

-12 = b

Then, plug this and the slope into the equation again:

y = mx + b

y = -3.5x - 12 will be the equation

6 0
3 years ago
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Yakvenalex [24]

Answer:

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8 0
2 years ago
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The height of a building is proportional to the number of floors. The figure shows the height of a building with 7 floors. Compl
VladimirAG [237]

Can't give you an answer without a picture of the figure.

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