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maxonik [38]
4 years ago
5

Solve 12.7 ≥ s − 5.3 Graph the solution.

Mathematics
emmy
3 years ago
i had the egsat same question
1 answer:
Julli [10]4 years ago
8 0
Hello!

I dont a graph to show you but I will solve the answer.

12.7 + 5.3 <span>≥ s

18 </span><span>≥ s

s </span><span>≤ 18
</span><span>That is your answer.

Enjoy.
~Isabella

</span>
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X = 7 - 2y<br> 2x + y = 5
butalik [34]
Do substitution
2(7-2y) = 5
14 - 4y = 5
-4y = -9, y = 9/4
2x + 9/4 = 5
8x + 9 = 20
8x = 11, x = 11/8
Final answer: x = 11/8, y = 9/4
3 0
3 years ago
A cell phone company says that a fully charged battery lasts 14 hours. In reality, each battery behaves a little differently. Fo
gregori [183]

Answer:

The percentage is 50%

Step-by-step explanation:

From the question we are told that  

     The  mean is  \mu  =  14 \  hours

     The  standard deviation is \sigma =  1 \  hour

Generally on the normal distribution curve the mean divides the curve into  two. with the half to the left of the mean (50% to the left )representing the percentage of the batteries that will last less than 14 hours and  the area under the curve to the right (50% to the right)representing the percentage of batteries that will last longer than mean (14 hours )

Hence the percentage of the cell phone batteries that will be expected to last longer than 14 hours is 50%

8 0
4 years ago
Find the equalivent exponential expression of (9^3)^4
kogti [31]
The rule is:

(a^b)^c=a^(b*c)

In this case:

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and if you wanted it more simplified you could say:

9^12=(3^2)^12=3^(2*12)=3^24
5 0
4 years ago
What are the formulas for trigonometry and pythagoras?
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That's not a good question at all.  It's a lot like asking
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There are at least a hundred formulas that are useful in trigonometry.
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Pythagoras is the name of the ancient Greek mathematician who
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by his name, in his honor.
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