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Snowcat [4.5K]
3 years ago
12

Mrs. Rank walked through the

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
7 0

Answer:

I believe the answer is 103

Step-by-step explanation:

irakobra [83]3 years ago
6 0
Yeah I agree with you with the answer 103
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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
4. A toy boat costs $45.25. If the sales tax in Maryland is 6%, what is the total you will need to pay for the
Marrrta [24]

\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{6\% of 45.25}}{\left( \cfrac{6}{100} \right)45.25}\implies 2.715~\hfill \underset{\textit{price plus tax}}{\stackrel{45.25+2.715}{\approx 47.97}}

3 0
2 years ago
I need help on this problem, i checked some that I think might be right, could I get some help on it?
tatuchka [14]
I don’t know what the answer is
7 0
3 years ago
Read 2 more answers
10) Nicole has a 5 lb bag of carrots and a 2 oz bag
maria [59]

Answer:

5 lbs and 2 ozs

Step-by-step explanation:

16 ounces = 1 lbs.

So just add the 2 ounces to the pounds.

5 0
3 years ago
Read 2 more answers
Mr. Skinner has four dogs. He recorded the number of cups of dog food each dog ate over the same month.
GarryVolchara [31]
So to find the answers for each of these, divide the first dog's amount mentioned by the second dog's amount mentioned. For instance, the first one would be 45 over 60, also equal to 3/4. So Bailey ate 3/4 cup for every cup fido ate. Repeat this same process with all the other questions and you can get the following answers:
Fido ate 1 1/3 cup for each cup Bailey ate.
Gunner ate 2 1/2 cups for each cup Spot ate.
Spot ate 2/5 cup for each cup Gunner ate.
Hope this helps!
5 0
3 years ago
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