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hoa [83]
3 years ago
10

Follow the steps to finish solving the equation -3x + 18 = 7x

Mathematics
1 answer:
Mumz [18]3 years ago
5 0

Answer:

Don’t really know what the question is, but these are the answers for x

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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

9 9j3 8. y = --;:;- x + 4 - --;:;- 9. y = 4x - 3 10. y = -2x + 2

",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

24. y=(x-j2)c~-~)+2 25. y= -(x+ l)(j23+ 1)+2

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

13. x + ¥- = 2(y + !)2 14. x-i = (y + 2)2

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
If a gas tank can hold 30 gallons how many gallons does it contain when it is three fifths full
Butoxors [25]
3/5 of 30 is 3/5 times 30/1=90/5=18

answer is 18 gallons
6 0
3 years ago
Is 7.8 equal to nine<br>​
Butoxors [25]

Answer:

No

Step-by-step explanation:

7.8 is 7.8 not 9 they are both rational numbers

3 0
3 years ago
Read 2 more answers
Erica went shopping for art supplies. The watercolor set was 30% off its regular price of $20.00. What did she pay for the water
kotykmax [81]

Answer:

$14.00

Step-by-step explanation:

30% less than 100% of the regular price is 70% of the regular price.

Erica paid ...

0.70 · $20.00 = $14.00

7 0
3 years ago
9. Beth has 28 math problems for homework. She has 4 times as many problems as her sister, Mary. Which equation shows how many p
Lemur [1.5K]

Answer:

Answer is 28/4 = 7

Step-by-step explanation:

Given

Beth B = 28 problem

B has 4 times more problem than Mery m

Find

Total number of problem Mery m has if Beth has 4 times more problem than Beth

So,

B = 4 x m

m = B/4 = 28/4 = 7

Finally answer (d) is correct which is 28 ÷ 4 = m

3 0
3 years ago
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