4 years ago

What is the cost of 3 pounds of beaf

1 answer:

6 0

Answer:

question seems incomplete but if you're asking the average price of 3 pounds of beef that would be about $15-$21. :)

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Each cheerleader needs to raise 38.14 more

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3 years ago

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Factor each polynomial completely. If you use a Special Pattern, identify which one you used.

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6,true 7,false 8,false 9,true 10,true

Step-by-step explanation:

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3 years ago

The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 1000 years?

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Answer: 129.33 g

Step-by-step explanation:

$$$Let $p=A \cdot e^{n t}$ \\$(p=$ present amount, $A=$ initial amount, $n=$ decay rate, $t=$ time)$

$\begin{aligned}&\Rightarrow \text { Given } p=\frac{A}{2} \ a t \ t=1590 \\&\Rightarrow \frac{1}{2}=e^{1590n} \Rightarrow n=\frac{\ln (1 / 2)}{1590}=-0.00043594162\end{aligned}$

$If $A=200 \mathrm{mg}$ and $t=1000$ then,$$\begin{aligned}P &=200 e^{\left(\frac{\ln \left(1/2\right)}{1590}\right) \cdot 1000} \text \\\\&=129.33 \text { grams}\end{aligned}$

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2 years ago

Rachel babysits the Michaelson’s kids on Saturdays for 4 hours and is paid $12.50 per hour. On Sundays, she babysits at the Smit

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She earns $8.00 more on Sunday

Step-by-step explanation:

Saturday 12.50x4=50.00

Sunday 14.50x4=58.00

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3 years ago

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Step-by-step explanation:

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hope this helps you :) have a great day and stay safe!

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3 years ago