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tester [92]
3 years ago
11

Please help! I do not understand!

Mathematics
1 answer:
Sergio [31]3 years ago
7 0
Your answer would be approximately 254.5 if you round since 9^2 times pie you would get such
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<span>P:      y + z = 6
Q:  8y + 7z = 1

A. This makes y = -8Y which will eliminate the "y"'s when the equations are added.


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Two groups of staff at a store are making flowers to decorate the entrance. If Group A were to do it alone, it would take them 1
Tcecarenko [31]

Answer:

\dfrac{6750}{7}

Step-by-step explanation:

Let x be the number of flowers. If Group A were to make x flowers alone, it would take them 10 hours to complete the task, then they make \dfrac{x}{10} flowers in an hour.  If Group B were to make x flowers alone, it would take them 15 hours to complete the task, then they make \dfrac{x}{15} flowers in an hour.

The groups decided to work together. They can make \dfrac{x}{10}+\dfrac{x}{15}=\dfrac{x}{6} together in an hour and it takes them \dfrac{x}{\frac{x}{6}}=6 hours. Group B took a break for 1 hour and 40 minutes (1\dfrac{2}{3} hour), then Group B works

6-1\dfrac{2}{3}=4\dfrac{1}{3} hours.

Thus,

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3 years ago
Please help I need it!!!
ziro4ka [17]

Answer:

a

Step-by-step explanation:

it is being reflected of the other end

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