Find a set of parametric equations for y= 5x + 11, given the parameter t= 2 – x

and

Step-by-step explanation:

Given that and , the parametric equations are obtained by algebraic means:

1) Given

2) Given

3) Associative and modulative properties

4) Existence of multiplicative inverse/Commutative property

5) Associative property

6)   /

7) Modulative property

8) Existence of additive inverse

9) Associative and commutative properties

10) Distributive property

11)

12) By 1)

13) /Result

14) Compatibility with addition

15) Compatibility with addition

16) Associative property

17) Associative property

18) Associative and commutative properties/Definition of subtraction/Result

In consequence, the right answer is and .

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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step-by-step explanation: