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Alexandra [31]
3 years ago
9

The spinner has eight spaces of equal size. What is the mathematical probability of the pointer's stopping in the space marked 1

? If you spin the pointer 40 times, how many times would you expect it to stop on 1?
Mathematics
2 answers:
Advocard [28]3 years ago
6 0

Answer:

10/40

Step-by-step explanation:

serg [7]3 years ago
6 0

Answer:

The probability that the pointer stops on 1 is 1/8, since there are 8 sections.

If you spun it 40 times, you would expect it to land on 1 5 times.

Step-by-step explanation:

There are equal pieces, so the probability of landing on each is the same : 1/8

To find the amount of times you would expect it to land on 1 if you spun it 40 times, simply multiply the probability by 40. 40 * 1/8 = 5.

Hope this helps :)

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(8 ,10) (-7 ,14) in a ti 84 calculator
SpyIntel [72]

Answer:

y=-4/15x+182/15 (12 and 2/15)

Step-by-step explanation:

Slope is 14-10/-7-8, which is 4/-15=-4/15

8 0
3 years ago
a line has a slope of 2 and passes through the point of 3,9. wat is the equation of the line in slope intercept form​
7nadin3 [17]
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3 years ago
How to find x and the equation for it
vladimir2022 [97]

Answer:

Step-by-step explanation:To find the x intercept using the equation of the line, plug in 0 for the y variable and solve for x. You can also use the graph of the line to find the x intercept. Just look on the graph for the point where the line crosses the x-axis, which is the horizontal axis. That point is the x intercept.

8 0
3 years ago
Please help me w the answer
evablogger [386]

Answer:

\frac{2(x-6)(x-10)}{(x-4)(x-5)}

Step-by-step explanation:

In essence, one needs to work their way backwards to solve this problem. Use the information to construct the function.

The function has verticle asymptotes at (x = 4) and (x = 5). This means that the denominator must have (x - 4) and (x - 5) in it. This is because a verticle asymptote indicates that the function cannot have a value at these points, the function jumps at these points. This is because the denominator of a fraction cannot be (0), the values (x - 4) and (x - 5) ensure this. Since if (x) equals (4) or (5) in this situation, the denominator would be (0) because of the zero product property (this states that any number times zero equals zero). So far we have assembled the function as the following:

\frac{()}{(x-4)(x-5)}

The function has x-intercepts at (6, 0), and (0, 10). This means that the numerator must equal (0) when (x) is (6) or (10). Using similar logic that was applied to find the denominator, one can conclude that the numerator must be ((x - 6)(x-10)). Now one has this much of the function assembled

\frac{(x-6)(x-10)}{(x-4)(x-5)}

Finally one has to include the y-intercept of (0, 120). Currently, the y-intercept is (60). This is found by multiplying the constants together. (6 * 10) equals (60). One has to multiply this by (2) to get (120). Therefore, one must multiply the numerator by (2) in order to make the y-intercept (120). Thus the final function is the following:

\frac{2(x-6)(x-10)}{(x-4)(x-5)}

6 0
3 years ago
Person 1 can do a certain job in twenty-one minutes, and person 2 can do the same job in twenty-eight minutes. When completing t
schepotkina [342]
I hope this helps you



1/21+1/28=1/t


4/84+3/84=1/t


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21 ?



?.84/5=1.21



?=5/4
8 0
3 years ago
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