A fisherman weighs an ahi tuna (a very large fish) on a scale and gets a reading of 135 pounds. The reading on the scale may have an error of up to 5%. What are TWO possible values for the actual weight of the fish?
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Question 2
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Question 5
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Question 6
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Question 7
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5. Here is a shape with some measurements in cm.
a) Complete the table showing the area of different scaled copies of the triangle.
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Question 11
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What is 5% of 135?
Question 12
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The possible values for the weight of the fish with an error of 5% and a reading of 135 is _______ on the low end and _______ on the high end.
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches.
a) What is the largest the actual height of the plant could be?
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches.
b) What is the smallest the actual height the plant could be?
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches.
c) How large could the percent error in Jada's measurement be?
2. Water is running into a bathtub at a constant rate. After 2 minutes, the tub is filled with 2.5 gallons of water. Write two equations for this proportional relationship. Use w for the amount of water (gallons) and t for time (minutes).
3. Noah picked 3 kg of cherries. Jada picked half as many cherries as Noah. How many total kg of cherries did Jada and Noah pick?
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4. The reading on a car's speedometer has 1.6% maximum error. The speed limit on a road is 65 miles per hour.
a) The speedometer reads 64 miles per hour. Is it possible that the car is going over the speed limit?
*Show your work/reasoning in the space provided.
Yes, with the percent error the car might be going more than 65 mph.
No, with the percent error it is not possible that the car is going more than 65 mph.
4. The reading on a car's speedometer has 1.6% maximum error. The speed limit on a road is 65 miles per hour.
b) The speedometer reads 66 miles per hour. Is the car definitely going over the speed limit?
*Show your work/reasoning in the space provided.
Yes, with the percent error the car might be going less than 65 mph.
No, with the percent error it is not possible that the car is going less than 65 mph.
5b. Is the relationship between the scale factor and the area of the scaled copy proportional?
