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Softa [21]
2 years ago
10

Does the following mapping diagram represent a function?

Mathematics
1 answer:
RUDIKE [14]2 years ago
3 0

Answer:

a

Step-by-step explanation:

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Feng needs to build a rectangular shipping box with a volume of 9 cubic feet. He has two pieces of plywood that measure 2 feet w
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Answer:

54 feet

Step-by-step explanation:

9x3x2=54

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At a cost of $200, your club bought 175 frisbees to sell at the pep rally. You plan on selling them for $5 each. Which of the fo
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Answer:

Step-by-step explanation:

C=$200

B=175 frisbees to sell

P=$5

$200-175=$25

25/5=$5

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$5 every sell.

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3 years ago
Mr. Whittaker’s science class uses tide gauges to measure annual variations in water levels at different parts of a river, and t
alex41 [277]

This question is not complete because is lacks the options for each question.

Complete question

mr. whittaker’s science class uses tide gauges to measure annual variations in water levels at different parts of a river, and then compares those variations to the average annual trend. matea recorded that the water level in one part of the river fell 1.05 millimeters per year for 2.48 years. this data will be compared to the average annual trend, which shows the water level rising 1.8 mm/year.

1) Which number represents the rate at which the water level fell?

a. -1.05 mm/year

b. -1.8 mm/year

c. -2.48 years

d. -2.48 mm/year

2) Which number should the rate be multiplied by to find the total variation in water level?

a. 1.05 mm/year

b. 1.8 mm/year

c. 2.48 years

d. 2.48 mm/year

Answer:

1) Which number represents the rate at which the water level fell?

a. -1.05 mm/year

2) Which number should the rate be multiplied by to find the total variation in water level?

c. 2.48 years

Step-by-step explanation:

Total Variation in the water level is calculated by multiplying the rate at which the water level and number or years at which the rate of the water level fell

From the question, we can see that the rate at which the water level fell is -1.05 mm/year and number of years at which the water level fell is 2.48mm

Hence,Total Variation in the water level is calculated as

-1.05 mm/year × 2.48 years

Total variation in the water level = -2.604mm

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x-axis is to flip the y - coordinates

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