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Kryger [21]
3 years ago
9

Which equations are related to x−9=4 ? select each correct answer. x=9−4 x=4 9 x 4=9 x−4=9

Mathematics
2 answers:
dem82 [27]3 years ago
5 0
X-4=9 is the correct equation which suits the question.!
lesya [120]3 years ago
4 0
X - 9 = 4

x = 4 + 9
x - 4 = 9
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The ratio of wooden bats to metal bats in
lapo4ka [179]
<h3>Answer: 10 metal bats</h3>

"Ratio of wooden bats to metal bats is 2 to 1" basically means "there are twice as many wooden bats (compared to metal ones)". So if we had 3 metal bats, then we'd have 2*3 = 6 wooden bats. If we had 7 metal bats, then we have 14 wooden ones (because 2*7 = 14). And so on. The basic rule is to multiply the amount of metal bats by 2 to get the amount of wooden ones.

We can go in reverse to divide the amount of wooden bats to get the amount of metal ones. So 20/2 = 10 is the amount of metal bats.

------------------

A more formal approach is to use the proportion below to solve for x

20/x = 2/1

20*1 = x*2

20 = 2x

2x = 20

2x/2 = 20/2

x = 10

and we get the same answer.

6 0
3 years ago
Factorise <br> P(x)= (x+3)(12x^2-3)+(2x-1)(x^2-9)<br> And<br> Q(x)= 4x^4-x^2
Archy [21]

Answer:

a2 answers to exercises

ii. yes. suppose a is negative, so write a = -b where b is positive. let c be a

positive number such that c" = b. then (-c)" = a because (-1)" = -1 since

n is odd.

ii, §1, p. 24

3. x negative, y positive 4. x negative, y negative

ii, §3, p. 33

5. y = -~x + i 6. y = -ix + s 7. x = j2

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",3+3 ",3+3

ii. y= -!x+3+ j'!- 12. y=j3x+s+j3 19. -! 20.-8

21. 2 + j2 22.!<3 + j3) 23. y = (x - n>(j22_ n) + 1

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26. y = (x + 1)(3 + j2) + j2 29. (a) x = -4, y = -7 (b) x = ~, y = i

(c) x = -!, y = 1 (d) x = - 6, y = - 5

ii, §4, p. 35

1.j97 2.j2 3.js2 4.ji3 5.!j5 6.(4,-3) 7. sands 8.(-2,5)

9. sand 7

ii, §8, p. 51

5. (x - 2)2 + (y + 1)2 = 25 6. x 2 + (y - 1)2 = 9 7. (x + \)2 + y2 = 3

8. y + ¥ = 2(x + w 9. y - 1 = (x + 2)2 10. y + 4 = (x - \)2

ii. (x + 1)2 + (y - 2)2 = 2 12. (x - 2)2 + (y - \)2 = 2

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iii, §1, p. 61

1. 4 2. -2 3. 2 4. i s. -! 6. 0 7. 4 8. 6 9. 3 10. 12 ii. 2

12. 3 13. a

8 0
2 years ago
Read 2 more answers
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Bogdan [553]
I think the answer would be c
8 0
3 years ago
Read 2 more answers
I need help on this ASAP
Kruka [31]

Answer:

x = 6

Step-by-step explanation:

9x + 1 = 10x - 5

1 = x - 5

6 = x

8 0
3 years ago
What is 193.492 rounded to the nearest hundredth?<br><br> ( )
Eddi Din [679]
193.492 rounded to the nearest hundredth is (<span>193.49)

Hope this helped!</span>
7 0
3 years ago
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