3 years ago

Joel says to Kevin, "Give me $100, and I shall become twice as rich as you."

Mathematics

1 answer:

Bess [88]3 years ago

6 0

DON'T OPEN IT, IT IS EVERYWHERE, IT IS AGAINST BRAINLYS TOS, AND IT IS A VIRUS also
The answer is $310

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The crew of apollo 17 consisted of 2 pilots and a geologist. Suppose that nasa had actually trained 9 pilots and 4 geologists as

Troyanec [42]

They could have assembled total 336 different possible crews.

Explanation

Total number of trained pilots is 9 and geologists is 4.

The crew should be consisted of 2 pilots and 1 geologist. That means, 2 pilots are chosen from total 9 and 1 geologist is chosen from total 4.

Number of ways for choosing 2 pilots from 9 $= ^9C_{3} =84$ and

Number of ways for choosing 1 geologist from 4 $=^4C_{1}= 4$

So, the total possible number of different crews they could have assembled $=84*4= 336$

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3 years ago

Need help with this problem

Aleksandr [31]

$4(2 - 5x) = 6 - 3(1 - 3x) \\ 8 - 20x = 3(1 - 3x) \\ 8 - 20x = 3 + 9x \\ subtract \: 9x \: from \: bth \: sides \\ 8 - 29x = 3 \\ subtract \: 8 \: from \: both \: sides \\ - 29x = - 5 \\ divide \: - 29 \: both \: sides \\ x = \frac{5}{29}$
answer is C

8 0

3 years ago

What are the solutions of <img src="https://tex.z-dn.net/?f=x%20%7B%20-%204%20%3D%200%7D%5E%7B2%7D%20" id="TexFormula1" titl

Tcecarenko [31]

Answer:

x = 4

Step-by-step explanation:

To solve, simplify the expression then use inverse operations to isolate x.

$x - 4 = 0^2\\x-4 = 0\\x-4+4=0+4\\x = 4$