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lara [203]
3 years ago
12

Please help me with this please

Mathematics
2 answers:
ololo11 [35]3 years ago
8 0

always remember

\sqrt[i]{ {a}^{b} }  =  {a}^{ \frac{b}{i} }

except in cases that <i> is even & b is less than zero, or A will have a negative power.

here you have:

{x}^{ \frac{1}{3} +  \frac{5}{2}  + 1 } \div  {x}^{ \frac{1}{2} }

and a simple job:

\frac{1}{3}  +  \frac{5}{2}  + 1 -  \frac{1}{2 }  =  \frac{1}{3 }  +  \frac{4}{2}  + 1 = 3  +  \frac{1}{3}

finally answer is:

{x}^{ \frac{10}{3} }  =  {x}^{3}   \sqrt[3]{x}

Andrew [12]3 years ago
5 0

Answer:

answer iy in the picture...

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Answer:

Part a) The variables are

x (the number of packages of Twinkies that were sold)

y (the number o boxes of juice that were sold)

Part b) The system of equations is

x+y=79 and 1.65x+1.36y=118.17

Part c) x=37,y=42

Part d) The value of y represent the number of boxes of juice that were sold y=42\ boxes\ of\ juice

The value of x represent the number of packages of Twinkies that were sold x=37\ packages\ of\ Twinkies

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Part a) Define the variables in this situation

Let

x-----> the number of packages of Twinkies that were sold

y----> the number of boxes of juice that were sold

Part b) Write a system of equations that model the problem

we know that

x+y=79 ------> equation A  

1.65x+1.36y=118.17 ---> equation B

Part c) Use the linear combination method to find the solution to the system you wrote in part b

Multiply equation A by -1.65

-1.65(x+y)=-1.65*79  

-1.65x-1.65y=-130.35 ------> equation C

Adds equation C and equation B

-1.65x-1.65y=-130.35\\1.65x+1.36y=118.17\\---------\\-1.65y+1.36y=-130.35+118.17\\-0.29y=-12.18\\y=42

Find the value of x

x+y=79

x+42=79

x=79-42=37

Part d) Using a complete sentence, explain what the solution found in part c represents

The value of y represent the number of boxes of juice that were sold

so

y=42\ boxes\ of\ juice

The value of x represent the number of packages of Twinkies that were sold

so

x=37\ packages\ of\ Twinkies

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3 years ago
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