Answered

Evaluate for the given values of the variables.
#17. 8 + 3n for n = 6
#18. (8 + 3)n for n = 6
#19. 90 - 4d for d = 3
#20. 7x + 2y for x = 15, y = 20
#21. sbt. for a = 2. b = 4
#22. 2 + 5x second power. for x = 4
#23. 2 + (5x) second power. for x = 4
#24. (2 + 5x) second power. for x = 4

Answer :

Gasaqui

Answer:

17) 26

18) 66

19) 78

20) 145

Step-by-step explanation:

#17) 8 + 3n for n = 6

8 + 3*(6)

8 + 18 = 26

#18) (8 + 3)n for n = 6

(8 + 3)*6

(11)*6 = 66

#19) 90 - 4d for d = 3

90 - 4*(3)

90 - 12 = 78

#20) 7x + 2y for x = 15, y = 20

7*(15) + 2*(20) = 145

seolleaphrodite

Answer:

#17

[tex] \rm8 + 3n \: for \: n = 6[/tex]

[tex]8 + 3(6)[/tex]

[tex]8 + 18[/tex]

[tex]26[/tex]

#18

[tex] \rm(8 + 3)n \: for \: n = 6[/tex]

[tex] \rm(8 + 3)n[/tex]

[tex] \rm(11)n[/tex]

[tex](11)(6)[/tex]

[tex]66[/tex]

#19

[tex] \rm90 - 4d \: for \: d = 3[/tex]

[tex]90 - 4(3)[/tex]

[tex]90 - 12[/tex]

[tex]78[/tex]

#20

[tex] \rm7x + 2y \: for \: x = 15 \: and \: y = 20[/tex]

[tex]7(15) + 2(20)[/tex]

[tex]105 + 40[/tex]

[tex]145[/tex]

#23

[tex] \rm2 + (5x {)}^{2} \: for \: x = 4[/tex]

[tex]2 + (5(4 {))}^{2} [/tex]

[tex]2 + {(20)}^{2} [/tex]

[tex]2 + 400[/tex]

[tex]402[/tex]

#24

[tex] \rm(2 + 5x {)}^{2} \: for \: x = 4[/tex]

[tex](2 + 5(4) {)}^{2} [/tex]

[tex](2 + 20 {)}^{2} [/tex]

[tex] {(22)}^{2} [/tex]

[tex]484[/tex]

Other Questions