MATHEMATICS HIGH SCHOOL

Arnold has shared some interesting facts about different places around the world. Use dimensional analysis to convert the units on the facts to the units requested. Be sure to show your work and include units with your answer.1. Some roads in Poland have a speed limit of 140 km/h. How fast is this in miles per minute?




2. A factory worker in Cambodia makes 320,000 Cambodian Riels per month. If 1 U.S. dollar equals 4000 Cambodian Riels, how much does the factory worker make in U.S. in dollars per year?




3. Certain members of the Italian Parliament make 180,000 euros a year. If 1 euro equals 1.36 U.S. dollars, how much do the members of parliament make in dollars per day?




4. People in Japan on average eat 3 ounces of fish per day. How many pounds of fish is this per week?




5. London Heathrow airport sees on average 191,200 passengers a day. How many passengers is this per minute?




6. An African cheetah can run at speeds up to 120 kilometers per hour. What is this speed in feet per second?




7. The town of Lloró, Colombia has an average yearly rainfall of 500 inches. On average, how many centimeters of rain does the town get each day?

Answers

Answer 1
Answer:

Answer:

Answer.3.1/1.36 =180,000

5.6875 a week pounds

133 people per minute

120 kph =109.3613 ft<s

Kph<ft/sft/s-----------------1.097526

120

Step-by-step explanation:

The approximate answer is 3.479.
Answer 2
Answer:

3. 1 / 1.36 = 180,000

4. 5.6875 pounds per week

5. 133 people per minute

6. 120kph= 109.3613 ft/skph -> ft/sft/s = kph_________ 1.097280ft/s =120_____ 1.097280ft/s = 109.3613.

7. The answer is approximately 3.479


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Examples of rational numbers :
1, 1/2, 3/4 , 5 , 6, 15/8 etc

Rational numbers are numbers which can be written as fraction as also that the numerator and denominator are whole examples.
Example 5 can be written as fraction in the form of 5/1.

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7 2/5_____ 7 3/8

Answers

7 2/5 as an improper fraction is 37/5 and 7 3/8 as an improper fraction is 59/8. Then we convert those two improper fractions into a decimal (by 100) and get  7 2/5 = 7.4 and 7 3/8 = 7.3, 7.4 is bigger than 7.3 so the answer is...

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The Dust Bowl hit middle America a few years after the Great Depression started, and the Dust Bowl was considered one of the causes that continued the Great Depression during the 1930’s. Explain in three sentences how this natural disaster affected America’s economy in the 1930’s?

Answers

The Dust bowl was a terrible event that caused many people to lose money. Not only that, but the fact that they lost money meant that they where contributing to the Great Depression. The Great Depression started in the US, thanks to events like the Dust Bowl.

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Answers

If the veterinarians at Aquarian feed the zebrafish 7 pounds of food each day for 17 days, they would have used a total of 119 pounds of food. Therefore, the amount of food left over would be 5 pounds .

Step-by-step explanation:

7 x 17 = 119

124 - 119 = 5

Answer:

5

Teachers receive a 10% discount at the apple store.If your favorite math teacher wants to buy a new
iPhone for $1199, how much will his/her total be?

Answers

Answer:

The answer is $1,079.1

Step-by-step explanation:

you find what 10% of the total is and you would get 119.9. then, you subtract that from the total to get what the teachers total would be.

I'm sorry it's a terrible explanation, but I just did it really fast in my head

Jade normally leaves work at 5:00 pm, but she is leaving work 10 minutes late today. She decides to make up time by taking the toll road instead of side streets. She can travel two times faster by taking the toll road. Create an equation in terms of x to represent the number of minutes after 5:00 pm she arrives home from work if she leaves late. Let x represent the number of minutes her normal commute takes when she leaves on time.

Answers

Answer:

Required\ number\ of\ minutes= (x)/(2)+10

Step-by-step explanation:

Usual time(side streets) taken =x\ minutes

Jade can travel two times faster by taking the toll road so the time taken will be half from the toll road.

So travel time=(x)/(2)

Jade is 10\ minutes late

So total minutes after 5:00 PM to reach home=(x)/(2)+10

Answer:

It will be answer choice D.

Step-by-step explanation:

It'll take the half the usual time because she is taking a road that get's her there 2 times faster, but also add 10 because she was 10 minutes late
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