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4 years ago

Rhea Franken can buy one dozen cookies for $5.65, two dozen for $11.30, or three dozen for $16.95. Which is the best buy?

1 answer:

3 0

Three dozen because of you do 5+11 it is 16 and then the cents 95+95=190 and you add a the 1 to dollars which is 17.90 dollars so the three dozen one hope I helped

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a psychologist contends that the number of facts of a certain type that are remembered after t hours is given by the following f

laiz [17]

Answer:

At t=1, Rate of Change=-36.86

At t=10 hours, Rate of Change =-0.0088

Step-by-step explanation:

The function which describes the number of facts of a certain type which are remembered after t hours is given as:

$f(t)=\frac{85t}{99t-85}$

To determine the Rate of Change at the given time, we first look for the derivative of f(t).

Applying quotient rule:

$f^{'}(t)=\frac{-7225}{{\left( 85 - 99\,t\right) }^{2}}$

At t=1

$f^{'}(1)=\frac{-7225}{(85-99)^{2}}$

=-36.86

At t=10 hours

$f^{'}(10)=\frac{-7225}{(85-99(10))^{2}}$

=-0.0088

4 0

4 years ago

The small piston of a hydraulic lift has an area of .01 meters squared. If a force of 250N is applied to the small piston, find

AfilCa [17]

Answer:

yes it does and it would be 1250

Step-by-step explanation:

5 0

3 years ago

Geometry The picture below shows the question and answer choices for the questions.

ki77a [65]

Look at the table for the people that used Lithium.

There are 18 relapses, 6 No relapses with a total of 24 people.

The relative frequency for relapse, would be dividing the number of relapses by the total number of people.

This would be D. 18 / 24 = 75%

5 0

3 years ago

Can u guys PLEASE answer this question ASAP.

Anastasy [175]

Answer:

93.75 Kg

Step-by-step explanation:

Farmer spreads 25 kg fertilizer over an area of 4000 m square .

So, Over 1 m square , $\frac{25}{4000}$ kg of fertilizer will be needed

As we know , 1 hectare = 10,000 m square.

So, 1.5 hectare equals 15,000 m square.

So, for 15,000 m square , Fertilizer needed will be equal to $\frac{25}{4000}$ ×15,000 = 93.75 Kg

So, 93.75 Kg of fertilizer is needed for 1.5 ha of land.

4 0

3 years ago

What are significant figures?

scZoUnD [109]

Answer:

Significant Figures are the figures in a number that are meaningful and are digits with no zeros. Those zeros can be traced in a number like “320”, or “5670.0045”. Those zeros are not counted when counting the significant figures.

I hope you understand.

7 0

3 years ago

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