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3 years ago

WHO EVERY ASNWERS GETS BRAINEST

Mathematics

2 answers:

Brilliant_brown [7]3 years ago

7 0

Answer:

I think it would be B.

Step-by-step explanation:

How I got B was I looked at the amount of money they needed and divided by how much each pie would cost. 324/6= 54 Knowing that they need to sell at least 54 pies to make enough to buy the calculators I came to the conclusion that they need to sell 54 pies or more.

chubhunter [2.5K]3 years ago

6 0

The answer is B. x > 54

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Question 3 Unsaved

bazaltina [42]

Answer:

Step-by-step explanation:

DE given is

y''+8y'+15y=0, y(0)=0, y'(0)=1

Take Laplace on the DE

We get

$s^2 Y(s) -sY(0) -y'(0)+8(sY(s)-y(0))+15Y(s) =0\\s^2 Y(s) -s(0) -1+8(sY(s)-0)+15Y(s) =0\\Y(s)(s^2+8s+15)-1=0\\Y(s) = \frac{1}{s^2+8s+15}$

Simplify to get

Y(s) = $\frac{1}{2}[ {\frac{1}{s+3} -\frac{1}{s+5} }]$

Take inverse

$y(t) = \frac{e^{-3t} -e^{-5t}}{2}$

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3 years ago

M <2=x+94 what does x equal

Shtirlitz [24]

This is as far as I could get X=-94+m<2

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3 years ago

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baherus [9]

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3 years ago

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Yuri [45]

Answer:

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Step-by-step explanation:

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3 years ago

What is 6 qt 15 fl oz - 4 pt 4 fl oz =____pt____fl oz

yan [13]

Answer:

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Step-by-step explanation:

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3 years ago

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