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2 years ago

One slice of Pizza is 1/8 of pizza how much of the pizza is 1/2 slice

Mathematics

2 answers:

8_murik_8 [283]2 years ago

7 0

The answer is 1/4.

Scorpion4ik [409]2 years ago

7 0

explanation take the 1/8 and multiply it by 1/2 and you get 1/16

answer: 1/6

Hopes this helps! :)

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Use the sum of cubes identity to write this polynomial expression in factored form: 8x^3 + 27

babunello [35]

Answer:

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Step-by-step explanation:

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2 years ago

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A tank initially contains 60 gallons of brine, with 30 pounds of salt in solution. Pure water runs into the tank at 3 gallons pe

adoni [48]

Answer:

the amount of time until 23 pounds of salt remain in the tank is 0.088 minutes.

Step-by-step explanation:

The variation of the concentration of salt can be expressed as:

$\frac{dC}{dt}=Ci*Qi-Co*Qo$

being

C1: the concentration of salt in the inflow

Qi: the flow entering the tank

C2: the concentration leaving the tank (the same concentration that is in every part of the tank at that moment)

Qo: the flow going out of the tank.

With no salt in the inflow (C1=0), the equation can be reduced to

$\frac{dC}{dt}=-Co*Qo$

Rearranging the equation, it becomes

$\frac{dC}{C}=-Qo*dt$

Integrating both sides

$\int\frac{dC}{C}=\int-Qo*dt\\ln(\abs{C})+x1=-Qo*t+x2\\ln(\abs{C})=-Qo*t+x\\C=exp^{-Qo*t+x}$

It is known that the concentration at t=0 is 30 pounds in 60 gallons, so C(0) is 0.5 pounds/gallon.

$C(0)=exp^{-Qo*0+x}=0.5\\exp^{x} =0.5\\x=ln(0.5)=-0.693\\$

The final equation for the concentration of salt at any given time is

$C=exp^{-3*t-0.693}$

To answer how long it will be until there are 23 pounds of salt in the tank, we can use the last equation:

$C=exp^{-3*t-0.693}\\(23/60)=exp^{-3*t-0.693}\\ln(23/60)=-3*t-0.693\\t=-\frac{ln(23/60)+0.693}{3}=-\frac{-0.959+0.693}{3}= -\frac{-0.266}{3}=0.088$

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2 years ago

Four friends purchase 18.4 pounds of peaches. The peaches cost $1.75 per pound. The friends share the cost of the peaches equall

aleksandr82 [10.1K]

Each friend pays 8.02.

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2 years ago

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Kenji buys 3 yards of fabric for $7.47. Then he realizes that he needs 2 more yards. How much will the extra fabric cost?

xxMikexx [17]

The extra fabric would be $4.98

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2 years ago

This right? ppl giving me mixed answers<br>PlEASE HELPPPP

almond37 [142]

Answer:

Uh yeah Its right...i think

Just make sure if its right

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2 years ago