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Lynna [10]
3 years ago
14

23) —2n- (9 - 10n)

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
4 0

Answer:

23. 8n - 9

24. 55 - 45n

25. 69a - 10

26. -30m + 33

27. -4 + 96x

28. -8n + 26

29. -25b - 20

30. -71n - 9

Step-by-step explanation:

23. -2n - 9 + 10n

Collect like terms

= 8n - 9

24. 10 - 45n + 45

Collect like terms

= 55 - 45n

25. 9a + 60a - 10

Collect like terms

= 69a - 10

26. -54m + 27 + 6 + 24m

Collect like terms

= -30m + 33

27. -10 + 90x + 6x - 60

Collect like terms

= -4 + 96x

28. -10n + 20 + 2n + 6

Collect like terms

= -8n + 26

29. -30b - 30 + 5b + 10

Collect like terms

= -25b - 20

30. -7n - 21 - 8 - 64n

Collect like terms

= -71n - 9

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1. 1.6

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3 years ago
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Step-by-step explanation:

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ArbitrLikvidat [17]
I believe the answer is b and e
3 0
3 years ago
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G^2 + 4gh; if g = -3 and h = 5
xxTIMURxx [149]

Answer:

Step-by-step explanation:

We know that g = -3 and h = 5

Plugging in the values for g and h you will get:

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3 years ago
What is the perpendicular distance from the line y= 2x-3 to the point (8,3)
Liula [17]
Find the perpendicular line then find the intersection then find the point

perpendicular lines have slopes that are perpendicular
the slopes multiply bo -1

y=mx+b
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2 times what=-1
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the equation is
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find intersection
at (4,5)
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D=\sqrt{(8-4)^2+(3-5)^2}
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