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2 years ago

Express the ratio of 36 cents to 3 dollars (1 dollar = 100 cents), reduced to simplest form

Mathematics

2 answers:

Semenov [28]2 years ago

6 0

3/25 because 36/300 goes down to 12/100 and then goes to 3/25 which is the answer

ICE Princess25 [194]2 years ago

3 0

9/75 i have aids its very sad

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Three friends were helping to push a car. If all three are pushing equally hard and the net force is 600N, how hard is each one

slavikrds [6]

Answer:

One person is pushing the car in the net force of 200N

Step-by-step explanation:

600 divided by 3 (600 N in total, and 3 person pushing.)

5 0

2 years ago

A country's population in 1994 was 182 million. In 2002 it was 186 million. Estimate the population in 2004 using the exponentia

iogann1982 [59]

$\bf =ae^{kt}\qquad 
\begin{cases}
1994\impliedby \textit{year 0, starting point}\\
t=0\qquad P=182
\end{cases}\implies 182=ae^{k0}
\\\\\\
182=a\cdot e^0\implies 182=a\cdot 1\implies 182=a
\\\\\\
thus\qquad P=182e^{kt}\\\\
-------------------------------\\\\$

$\bf P=182e^{kt}\qquad 
\begin{cases}
2002\impliedby \textit{8 years later}\\
t=8\qquad P=186
\end{cases}\implies 186=182e^{k8}
\\\\\\
\cfrac{186}{182}=e^{8k}\implies ln\left( \frac{93}{91} \right)=ln(e^{8k})\implies ln\left( \frac{93}{91} \right)=8k
\\\\\\
\cfrac{ln\left( \frac{93}{91} \right)}{8}=k\implies 0.0027\approx k\implies \boxed{P=182e^{0.0027t}}$

what's the population in 2004? well, from 1994 to 2004 is 10 years later, so t = 10

plug that in, to get P for 2004

3 0

3 years ago

Graham is hiking at an altitude of 14,040 feet and is descending 50 feet each minute. Max is hiking at an altitude of 12,500 fee

alina1380 [7]

Graham: -50x + 14,040

Max: 20x + 12,500

Graham = Max

-50x + 14,040 = 20x + 12,500

+50x +50x

14,040 = 70x + 12,500

-12,500 -12.500

1,540 = 70x

$\frac{1,540}{70} = \frac{70x}{70}$

220 = x

Answer: 220 minutes (3 hours 40 minutes)

5 0

3 years ago

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What happens when there is another sign in front of an integer? Ex: +(-3)

Paraphin [41]

Answer:

-3

Step-by-step explanation:

To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.

-From Khan Academy-

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2 years ago

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For the numbers 2 through 9 on a telephone keypad, draw two mapping diagrams: one mapping numbers

Shalnov [3]

Look it up on quizzes

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2 years ago