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lianna [129]
3 years ago
14

A cookie recipe that yields 48 cookies calls for 2 cups of flour. a different cookie recipe that yields sixty cookies calls for

3 cups of flour. are these rates proportional
Mathematics
1 answer:
Serhud [2]3 years ago
6 0
48 cookies from 2 cups of flour,  rate = 48 cookies / 2 cups = 24 cookies / cup

60 cookies from 3 cups of flour,  rate = 60 cookies / 3 cups = 20 cookies / cup

If the rates were proportional, the rates would have the same answers.

Therefore the rates are not proportional. 
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Karen has 7 over 8cup of ice cream. How many 1 over 3cup servings can she make?
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6 0
4 years ago
Find the inverse of g(x)=1/3x - 7 and then find its domain and range if you can show steps that would be gladly appreciated than
Schach [20]

Answer:

g-1(x) = 3(x + 7).

Domain is All Real values of x.

Range is All Real values of the function.

Step-by-step explanation:

Let y = 1/3 x - 7

1/3 x = y + 7

Multiply both sides by 3:

x = 3(y + 7)

So the inverse of g(x) = g-1(x) = 3(x + 7).

Domain is All Real values of x.

Range is All Real values of the function.

6 0
3 years ago
A homeowner is installing a swimming pool. You have been asked to install a circuit to operate a 600-watt underwater light and a
insens350 [35]

Answer:

The answer is given below

Step-by-step explanation:

The loads in the circuit are continuous duty, so the circuit can only loaded to 80% of its current rating.

Calculate 80% current rating of the circuit breaker.

Icb = [ 80/100] (20 A)

     =  (O.8) (20 A )

     = 16 A

Now we assume that the value of supply voltage is 120 V

Now we will calculate current flows via under water light which will be taken as  Load 1

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  = 4.167 A

Current via the circulating pump which will be taken as Load 2 IS 8.5 A

<em>I = </em>load1 + load 2

<em>    = 4.167 A + 8.5 A</em>

<em>   = 12.67 A</em>

The total current in the circuit obtained which is less than the circuit breaker rating current. Therefore, the power can be operated for both the loads.

3 0
4 years ago
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