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Temka [501]
3 years ago
14

If x^2+y^2=49,xy=7 find x^3-y^3

Mathematics
1 answer:
Vikki [24]3 years ago
4 0

Answer: 0

Step-by-step explanation: First substitute 7 for x and y

                                             7^3-7^3 = 0

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Suden wants to know the theoretical and experimental probability of rolling a number smaller than a 3 on a 6-sided number cube n
MakcuM [25]

Answer:

The theoretical probability of rolling a number smaller than a 3 is __1/3_____because this is what__we expect to happen____ . The experimental probability of rolling a number smaller than a 3 is __1/4____ because this is what___actually happened____

Step-by-step explanation:

The experimental probability is

P (<3) = (  getting a one or 2)/ number of times that he rolled

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          = 2/8 = 1/4

Theoretical probability is what we expect  happen

P (<3) = (getting a one or two) / 6

         = 2/6 = 1/3

The theoretical probability of rolling a number smaller than a 3 is __1/3_____because this is what__we expect to happen____ . The experimental probability of rolling a number smaller than a 3 is __1/4____ because this is what___actually happened____

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3 years ago
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velikii [3]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
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iragen [17]

Answer:

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6 0
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Find the distance between the points (–3, 2) and (0, 3).
Oksi-84 [34.3K]

Answer: \sqrt{10}\ units

Step-by-step explanation:

You need to use the following formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Given the points  (-3, 2) and (0, 3), you can identify that:

x_2=-3\\x_1=0\\\\y_2=2\\y_1=3

Then, the final step is to substitutes these coordinates into the formula.

So, the distance between the given points is:

d=\sqrt{(-3-0)^2+(2-3)^2}\\\\d=\sqrt{10}\ units

6 0
3 years ago
If sin x = 3/5, calculate tan x​
ZanzabumX [31]

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Step-by-step explanation:

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