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2 years ago

13

Maria fills up her car at the gas station for $38.24 and purchases a drink for $1.99. If she pays with a $50 bill, how much chan

ge will Maria receive

1 answer:

Alexxx [7]2 years ago

7 0

Answer:

big money

Step-by-step explanation:

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klasskru [66]

Answer:

20-15z

Step-by-step explanation:

-1+21-15z

20-15z

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2 years ago

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Circle A has a radius of 2.0 cm. Find the radius of circle A dialated by 9.6

tia_tia [17]

2.0² * π = 12.56637...
12.56637... * 9.6 = 120.6371579...
120.6371579.. / π = 38.4
√38.4 = 6.196773354... --> the radius of circle A dialated by 9.6 = 6.2 cm

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2 years ago

Which explanation uses the number line to show 5 + (-5) =0

Ray Of Light [21]

Answer:

+5 is right and - 5 is left

Step-by-step explanation:

I. If 5 + (-5) = 0

then 5 - 5 = 0

If 5 is on the right side

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3 0

2 years ago

Solve for x. (e^x-e^-x)/((e^x+e^-x)=t

Sergio [31]

$\dfrac{e^x-e^{-x}}{e^x+e^{-x}}=t\\\\
\dfrac{e^{2x}-1}{e^{2x}+1}=t\\\\
e^{2x}-1=t(e^{2x}+1)\\\\
e^{2x}-1=e^{2x}t+t\\\\
e^{2x}-e^{2x}t=t+1\\\\
e^{2x}(1-t)=t+1\\\\
e^{2x}=\dfrac{t+1}{1-t}\\\\
e^{2x}=-\dfrac{t+1}{t-1}\\\\
2x=\ln\left(-\dfrac{t+1}{t-1}\right)\\\\
x=\dfrac{\ln\left(-\dfrac{t+1}{t-1}\right)}{2}\qquad t\in(-1,1)



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Paha777 [63]

Answer:

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Explanation: this is the answer

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