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gizmo_the_mogwai [7]
3 years ago
5

A horse has 13 entries and one person owns 4 of those horses . Assuming that there are no ties , what is the probability that th

ose four horses finish first, second , third, and fourth (regardless of order) the probability that the four horses finish first ,second ,third, and fourth is
Mathematics
1 answer:
german3 years ago
8 0
There would be a 1 in 28,561 probability that all 4 horses would place 1st, 2nd, 3rd, and 4th.
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(2x+2y=10)+(-x+y=1)
ruslelena [56]
\bf \begin{cases}
2x+2y=10\\
-x+y=1
\end{cases}\\\\
-------------------------------\\\\
-x+y=1\implies y=1+x\impliedby \textit{let's plug that in the first equation}
\\\\\\
2x+2(\stackrel{y}{1+x})=10\implies 2x+2+2x=10\implies 4x=8
\\\\\\
x=\cfrac{8}{4}\implies \boxed{x=2}\impliedby \textit{let's plug that in the second one}
\\\\\\
-(\stackrel{x}{2})+y=1\implies \boxed{y=3}
7 0
3 years ago
Which inequality has a solution that is the set of all real numbers?
kati45 [8]

Answer:

12<14

x<12

14>12

14>x

Step-by-step explanation:

I dont know if it is correct but I think it is that way try

6 0
3 years ago
Whats the value of x?
coldgirl [10]
Bro the value of x is 84
4 0
3 years ago
Find all real numbers $s$ such that $-2(s - 7) &gt; 4s + 8$. Give your answer in interval notation.
Stolb23 [73]

Answer:

s\in (-\infty,1)

Step-by-step explanation:

Solve the inequality -2(s - 7) > 4s + 8

Use distributive property:

-2s+14>4s+8

Subtract 4s:

-2s+14-4s>4s+8-4s\\ \\-6s+14>8

Subtract 14:

-6s+14-14>8-14\\ \\-6s>-6

Divide by -6 (do not forget to change sign, because division by negative number changes the sign):

s

5 0
3 years ago
Solve for x<br> C. 120<br> 2x<br> 3x<br> D. (2x+6)<br> X<br> 126
brilliants [131]

Answer:

x=32

Step-by-step explanation:

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4 0
3 years ago
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