Answered

Westonci.ca is the Q&A platform that connects you with experts who provide accurate and detailed answers. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

WILL GIVE BRAINLIEST
Use your knowledge about parentheses and substitution to solve the following:

q = 1; r = 2; s = 3; t = 4; x = 5; y = 6

7. 2(x+4) + 10 =

8. 3(4x) + 4 =

9. 10(xy) =

10. 2(x + y) =

11. 3(rs) + 4(x)

12. 2(q) + 2(x + t) =

13. 6(3t + 4s) =

14. 10(10x) + 10y =

15. x(xy) =

16. r(s)(t) =

17. (r)(s)(t)(x)(y) =

18. 6(2x + 3Y) =

Sagot :

Answer(s):

  • 7. 28
  • 8. 64
  • 9. 300
  • 10. 22
  • 11. 38
  • 12. 20
  • 13. 144
  • 14. 560
  • 15. 150
  • 16. 24
  • 17. 720
  • 18. 168

Step-by-step Solution:

Given values:

  • q = 1
  • r = 2
  • s = 3
  • t = 4
  • x = 5
  • y = 6

__________________________________________________

Question 7

  • 2(x + 4) + 10
  • => 2(5 + 4) + 10
  • => 2(9) + 10
  • => 28

Question 8

  • 3(4x) + 4
  • => 3{4(5)} + 4
  • => 3{20} + 4
  • => 60 + 4
  • => 64

Question 9

  • 10(xy)
  • => 10(5 x 6)
  • => 10(30)
  • => 300

Question 10

  • 2(x + y)
  • => 2(5 + 6)
  • => 2(11)
  • => 22

Question 11

  • 3(rs) + 4(x)
  • => 3(2 x 3) + 4(5)
  • => 3(6) + 4(5)
  • => 18 + 20
  • => 38

Question 12

  • 2(q) + 2(x + t)
  • => 2(1) + 2(5 + 4)
  • => 2 + 2(9)
  • => 2 + 18
  • => 20

Question 13

  • 6(3t + 4s)
  • => 6{3(4) + 4(3)}
  • => 6{12 + 12}
  • => 6(24)
  • => 144

Question 14

  • 10(10x) + 10y
  • => 10{10(5)} + 10(6)
  • => 10{50} + 60
  • => 500 + 60
  • => 560

Question 15

  • x(xy)
  • => 5{5 x 6}
  • => 5{30}
  • => 150

Question 16

  • r(s)(t)
  • => 2 x 3 x 4
  • => 24

Question 17

  • (r)(s)(t)(x)(y)
  • => 2 × 3 × 4 × 5 × 6
  • => 720

Question 18

  • 6(2x + 3Y)
  • 6{2(5) + 3(6)}
  • => 6{10 + 18}
  • => 6(28)
  • => 168

[tex]BrainiacUser1357[/tex]

Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. We're here to help at Westonci.ca. Keep visiting for the best answers to your questions.