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lana66690 [7]
3 years ago
8

When is a relation a function​

Mathematics
1 answer:
Vaselesa [24]3 years ago
8 0

Answer:

A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x is related to. For example, consider the following sets X and Y.

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I don't get it please help me and please clarify your explanations , thank you sm​
agasfer [191]

Answer:

a1=12

a6=12

a5=20

a3=20

a4=15

a2=15

as=94

Step-by-step explanation:

it is asking for each of the areas

I'm assuming As stands for areas summed

6 0
3 years ago
Read 2 more answers
describe how to find the price of a blender 3 years from now the inflation is constant at 4% and the the blender costs 38$ today
Ludmilka [50]
FV =  PV / (1 +r)^n

Where FV = Future Value,  PV = Present Value, r = inflation rate in %,
n = number of years.

PV = $38, r = 4%, n = 3 years.

FV =    38 / (1 + 4%)^3

      =   38 / (1 + 0.04)^3

      =     38 / (1.04)^3 =    33.782

Hence the value 3 years from now = $33.78    
5 0
3 years ago
a quarterback rushed for a gain of 9 yards in the first play of a football game. on the very next play, he was sacked and lost 9
Svetlanka [38]
9 yards total because the quarterback didnt gain any yards during the second play
3 0
3 years ago
Finding angle measures between intersecting lines
Furkat [3]

Answer:

x = 47°

Step-by-step explanation:

From the picture attached,

CPD is a straight line.

Therefore, ∠CPB and ∠DPB is a linear pair of angles.

And linear pair of angles are supplementary.

By the property of linear pair of angles,

m∠CPB + m∠DPB = 180°

133 + x = 180

x = 180 - 133

x = 47°

5 0
3 years ago
The relationship between gallons and liters and a currency exchange rate between United States dollars and Canadian dollars are
ludmilkaskok [199]

The cost of the gasoline in US dollars is  $53.24.

<h3 /><h3>Definition of exchange rate</h3>

Exchange rate is the rate at which one currency is exchanged for another currency. In this question, $1 would be exchanged for 1.26 Canadian dollars.

<h3>Conversion of 15 gallons to liters</h3>

In order to convert 15 gallons to liters, multiply 15 by 3.79

15 x 3.79 = 56.85 liters

<h3>Total cost of of 56.85 liters in Canadian dollars </h3>

56.85 liters x C$1.18 = C$67.083

<h3>Total cost in US dollars</h3>

C$67.083 / 1.26 = $53.24

To learn more about exchange rate, please check: brainly.com/question/25780725

4 0
2 years ago
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