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jonny [76]
3 years ago
8

Daniels tennis racket is the same length as 21- foot rulers How many inches long is Daniels racket?

Mathematics
1 answer:
vlabodo [156]3 years ago
5 0

Answer:

21

Step-by-step explanation:

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3x - 3y = -15<br> -x + y = 5
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Answer:

I don't understand what you're asking. can you put a question on this?

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3 years ago
Yo i’m stuck hahahelp ASAP -4 3/8 - (-1 1/4)
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I hope this helps

Step-by-step explanation:

-3 1/8

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How can you tell if 2 functions are inverses of eachother
HACTEHA [7]

Remember, if the two graphs are symmetric with respect to the line y = x (mirror images over y = x ), then they are inverse functions. But, we need a way to check without the graphs, because we won't always know what the graphs look like! then f(x) and g(x) are inverse functions.
7 0
3 years ago
What is the value of n<br><br> 2.3x10^9 = (1x10^3) (2.3x10^n)
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Here's one shortcut:

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6 0
3 years ago
Before starting to play the roulette in a casino you want to look for biases that you can exploit. Youtherefore watch 100 rounds
never [62]

Answer:

P(n>55)=0.1357

Step-by-step explanation:

From the question we are told that:

Sample size n=100

Sample space n'=36

Generally the equation for the mean number of times odds appears is mathematically given by

\=x_o=hp

\=x_o=100*0.5

\=x_o=50

Generally the equation for standard deviation is mathematically given by

\sigma=(hp(1-p))^{1/2}\\\sigma=(50(0.5))^{1/2}

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Therefore probability to make wrong decision P(n>55)

P(n>55)=1-P(z55)=1-P(z55)=1-0.86

P(n>55)=0.1357

8 0
2 years ago
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