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pashok25 [27]
3 years ago
7

Your teacher tells you to do questions 6 through 19 how many questions do you do?

Mathematics
2 answers:
cricket20 [7]3 years ago
6 0

Answer:

14

Step-by-step explanation:

The amount of integers between a and b is |a-b|+1.

We can plug 6 and 19 into this formula to get the amount of questions: |6-19|+1=|-13|+1=13+1=14.

So we need to do \boxed{14} questions and we're done.

ElenaW [278]3 years ago
4 0

Answer:

I try to do atleast all of them better grade so there if you don't do atleast 6 or above you ain't going to get no good grade but I would try to do all of them

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Given that (ax^2 + bx + 3) (x+d) = x^3 + 6x^2 + 11x + 12, it asks a + 2b - d = ?
astraxan [27]

Answer:

a+2b-d=1, 3, 5, 7

Step-by-step explanation:

(ax^2+bx+3)(x+d)

ax^3+bx^2+3x+adx^2+bdx+3d

ax^3+bx^2+adx^2+3x+bdx+3d=x^3+6x^2+11x+12

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b+d=6

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

3x+bdx=11x

x(3+bd)=11x

3+bd=11

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

b=6-d

3+(6-d)d=11

3+6d-d^2=11

3-11+6d-d^2=0

-8+6d-d^2=0

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(d-4)(d-2)=0

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d-4=0, d-2=0

d=0+4=4,

d=0+2=2

b=6-4=2,

b=6-2=4.

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

a+2b-d=1+2(2)-2=1+4-2=5-2=3

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

a+2(4)-4=1+8-4=9-4=5

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

a+2(2)-4=1+4-4=5-4=1

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

a+2(4)-2=1+8-2=9-2=7

5 0
3 years ago
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Nostrana [21]

Answer:

C) 37

Step-by-step explanation:

1/2(PQ)=RQ

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17=3.5x-11

28=3.5x

x=8

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RQ=48-11

RQ=37

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2 years ago
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