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4 years ago

8

Explain how to find the constant of proportionality for the ratio of robins to cardinals.

2 answers:

romanna [79]4 years ago

8 0

Look at the table for each type of bird. 5x=15. 6x=18. 10x=30. What would you multiply each of those by to get your answer and find the difference? 5x=15; x= 3. It is the same for each number. So the difference is by 3. I think if I understand this correctly, that would be how you do it. Does this help?

sweet-ann [11.9K]4 years ago

8 0

Sample answer: Divide the number of robins by the number of cardinals for each pair of values. The ratios are the same and are a constant of proportionality of 3.

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If you know the answer please help me ese

STALIN [3.7K]

Answer:

Domain { 4,8,12,16,20}

Range { 1,2,3,4}

This is not a function because two of the inputs have more than one output

Step-by-step explanation:

The domain is the x values ( input)

Domain { 4,8,12,16,20}

The range is the y values (output)

Range { 1,2,3,4}

This is not a function because two of the inputs have more than one output

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4 years ago

A copy machine produces 40 copies in 5 minutes. How many copies can 2 points the machine make in 30 minutes and how do you know?

slavikrds [6]

Answer:

240 copies

Step-by-step explanation:

40/5 to find how many copies a minute.

You get 8 copies a minute.

Multiply 8 copies by 30 minutes to get 240 copies

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3 years ago

A restaurant manager can spend at most $400 a day for operating costs and payroll. It costs $100 each day to operate the bank an

horrorfan [7]

Answer:

The restaurant Manager can afford 6 employees for the day.

Step-by-step explanation:

Manager can spend at most of $400.

Total Money ≤ $400

Cost to operate bank = $100

Cost for each employee = $50

Let number of employees for the day be $x$

Hence the equation will become;

$50x + 100 \leq 400$

Solving this equation we get;

$50x + 100 \leq 400\\50x \leq 400-100\\50x \leq 300\\x\leq \frac{300}{50}\\\\x\leq 6$

Hence, The restaurant Manager can afford 6 employees for the day.

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4 years ago

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alexandr402 [8]

Step-by-step explanation:

3.60

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3 years ago

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Each of the 23 students in ms Evans class raised $45 for the school by selling coupon books. How much money did the class raise.

charle [14.2K]

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4 years ago

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