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Alex_Xolod [135]
2 years ago
9

Find all x so that x^5=-x^3. Imaginary numbers (like "i") are allowed.

Mathematics
2 answers:
natita [175]2 years ago
8 0
It’s 3 keidiskdkkskskskkssiisisisisiis
MissTica2 years ago
5 0
Finding x like finding imaginary number I would say like in this problem x is more than 5 and x is less than 3 so 5x-3x
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What is the answer and what should I write for my explanation? Can you please show me all the work?
Stells [14]

Answer:

sorry i didn't get it

Step-by-step explanation:

7 0
3 years ago
An urn contains 3 red and 7 black balls. Players A and B take turns (A goes first) withdrawing balls from the urn consecutively.
andrey2020 [161]

Answer:

The probability that A selects the first red ball is 0.5833.

Step-by-step explanation:

Given : An urn contains 3 red and 7 black balls. Players A and B take turns (A goes first) withdrawing balls from the urn consecutively.

To find : What is the probability that A selects the first red ball?

Solution :

A wins if the first red ball is drawn 1st,3rd,5th or 7th.

A red ball drawn first, there are E(1)= ^9C_2 places in which the other 2 red balls can be placed.

A red ball drawn third, there are E(3)= ^7C_2 places in which the other 2 red balls can be placed.

A red ball drawn fifth, there are E(5)= ^5C_2 places in which the other 2 red balls can be placed.

A red ball drawn seventh, there are E(7)= ^3C_2 places in which the other 2 red balls can be placed.

The total number of total event is S= ^{10}C_3

The probability that A selects the first red ball is

P(A \text{wins})=\frac{(^9C_2)+(^7C_2)+(^5C_2)+(^3C_2)}{^{10}C_3}

P(A \text{wins})=\frac{36+21+10+3}{120}

P(A \text{wins})=\frac{70}{120}

P(A \text{wins})=0.5833

6 0
3 years ago
3/4-1/4=<br><br> 1/2+3/8=<br><br> 6 1/2-2 1/2=<br><br> 3 1/2-1 1/8=
Nataly_w [17]
1) 1/2
2) 7/8
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7 0
3 years ago
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Mazyrski [523]

Answer:

The answer is A

Step-by-step explanation:

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3 years ago
PLZ HELP!!!!!....................
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It’s c. Where the two planes intersect
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3 years ago
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