2 years ago

Is this relation a function?

Mathematics

1 answer:

White raven [17]2 years ago

3 0

Yes it’s a function because it only has one output for the input

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What the value of r that makes the value true? r+(-0.14)=0.47

siniylev [52]

$r+(-0.14)=0.47\\\\r-0.14=0.47\qquad|\text{add 0.14 to both sides}\\\\r-0.14+0.14=0.47+0.14\\\\r=0.61$

4 0

2 years ago

On Sunday, a local hamburger shop sold a combined total of 378 hamburgers and cheeseburgers. The number of cheeseburgers was sol

ipn [44]

Answer:

The number of hamburgers sold was 126.

Step-by-step explanation:

Let h = number of hamburgers sold

let c = cheeseburgers sold

c+h = 378

c = 2h

Substitute c =2h into c+h =278

c+h =378

2h+h = 378

Combine like terms

3h = 378

Divide by 3

3h/3 =378/3

h =126

The number of hamburgers sold was 126.

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3 years ago

Find the number in the proportion <br> 2/12=5/x

Sliva [168]

Answer: x = 30

2/12 x 5/x

(Cross Multiply)

2x = 60

x = 30

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2 years ago

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deff fn [24]

Answer:

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Step-by-step explanation:

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3 years ago

Which number line model shows 8 x 1/2

77julia77 [94]

Answer:

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Step-by-step explanation:

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2 years ago

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