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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]
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