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3 years ago

12

A cup of coffee contains 130mg of caffeine. If caffeine is eliminated from the body at a rate of 11% per hour, how long will it

take for half of this caffeine to be eliminated from a person's body?

1 answer:

uysha [10]3 years ago

4 0

It will take approx.65 of caffeine remaining after 6 hours

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Use synthetic division to find the remainder. When 3x^ 2 - 2x - 4 is divided by x - 3.

OlgaM077 [116]

ANSWER

a.)17

EXPLANATION

The given function is

$3 {x}^{2} - 2x - 4$

We want to find the remainnder when this function is divided by x-3 using synthetic division.

We write the coefficients of the given function and carry out the synthetic division as shown in the attachment.

The remainnder is 17.

The correct answer is A.

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Step-by-step explanation:

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snow_tiger [21]

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4) 4x + 3y = 56<br> 2x + y = 24<br> Solve using elimination please show work

lesya [120]

Answer:

x = 8 y = 8

Step-by-step explanation:

Multiply 2nd equation by -3 to get -6x - 3y = -72

Now 4x + 3y = 56

<u>-6x - 3y = -72</u>

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Substitute x = 8 into the 2nd equation

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Check: Substitute the values into the 1st equation

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