3 cans that store 9 tennis balls... Find the constant of proportionality & write a equation to represent the relationship PLEASE help

Answers

Answer 1

Answer: 3 cans store 9 tennis balls.
Find the Constant of proportionality and write and equation with regards to this given situation:
=> number of tennis balls = 9
=> number of cans = 3

So the constant of proportionality is in the working column. Pls see attached.

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A teacher is having three students take care of 28 goldfish during the summer. He gave some of them to Alaina. Then he gave twice as many Miguel. He gave twice as many to Kira as he gave to Miguel. How many fish did each student get?

Answers

Answer:

Alaina got 4, Miguel got 2(4) = 8 while Kira got 2(8) = 16

Step-by-step explanation:

Let the number he gave to Alaina be x. Now, we know he gave twice as many to Miguel. Amount received by Miguel is 2x.

He gave Kira 2 times what he gave Miguel, that is 2x * 2 = 4x

Addition of all these equals 28. We now get x

4x + 2x + x = 28

7x = 28

X = 28/7

x = 4

Alaina got 4, Miguel got 2(4) = 8 while Kira got 2(8) = 16

64 calls in 3 hours whats the ratio rate per hour

Answers

64 calls in 3 hours

Divide both numbers by 3 to find the unit rate (number of calls in 1 hour)

64/3 calls in 1 hour or21 1/3 as a mixed number

Answer please I need help thanks!!

Answers

Answer:

It forms a square

A coffee shop mixes Brazilian coffee worth $5 per kilogram with Turkish coffee worth $8 per kilogram. The mixture is to sell for $7 per kilogram. How much of the Turkish coffee should be used to make 300 kg of the mixture?

Answers

$Brazilian-5$\ per\ kg\n\n Turkish-\ 8$\ per\ kg\n\n x-amount\ of\ Brazilian\ coffee\n y-amount\ of\ Turkish\ coffee\n\n x*5+(1-x)*8=7\n 5x+8-8x=7\n -3x=-1\n x=1/3\n y=2/3\n\n To\ make\ 300kg\ we\ need:\ (from\ proportion)\n (2)/(3)-1kg\ \ \ to\ make\ 1kg\ we\ need\ (2)/(3)\ Turkish\ coffee\n a\ \ \ -300kg\ \ \ to \ make\ 300kg\ we\ need\ a\ Turkish\ coffee\n 300*(2)/(3)=a\n a=200kg\ \ He\ need\ 200kg\ Turkish\ coffee.$

Find the vertex of the parabola by completing the square x^2-6x+8=y?

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-b/2a
6/2
x=3
3^2-18+8
y=-1

(3,-1)

Use the formula f=1.8c+32 to convert -20 degrees into fahrenheit

Answers

It is -4!
1.8*-20=-36
32-36=-4

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