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ANEK [815]
3 years ago
6

What the answers for those questions

Mathematics
1 answer:
Minchanka [31]3 years ago
4 0

The answers are

11. c) 7x² +5x +8 remainder 7.

12. d) 6x² -6x +3 remainder 2x.

Step-by-step explanation:

Step 1; By dividing 7x³ -2x² +3x -1 with x -1 we get the following calculations. We multiply 7x² with x-1 and get 7x³ - 7x². We subtract this from 7x³ -2x² and get 5x². Now we add this with the 3x in 7x³ -2x² +3x -1. We get 5x² +3x. We multiply x -1 with 5x and get 5x² -5x and subtract it from 5x² +3x and get 8x. We multiply the x -1 with 8 and get 8x -8. We subtract this from 8x -1 and get a remainder of 7. So the quotient is 7x² +5x +8 with a remainder of 7.

Step 2; By dividing 6x^{4} +0x³ -3x² +5x with x² +x we get the following calculations. We multiply 6x² with x² +x and get 6x^{4} +6x³. We subtract this from 6x^{4} +0x³ and get -6x³. Now we add this with the -3x² in 6x^{4} +0x³ -3x² +5x. We get -6x³ -3x². We multiply x² +x with -6x and get -6x³ -6x² and subtract it from -6x³ -3x² and get 3x². We multiply the x² +x with 3 and get 3x² +3x. We subtract this from 3x² +5x and get a remainder of 2x. So the quotient is 6x² -6x +3 with a remainder of 2x.

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Determine if the sequence below is arithmetic or geometric and determine the common difference/ratio in simplest form.
Nana76 [90]

Step-by-step explanation:

this is clearly not a linear sequence (the terms don't have the same difference).

so, it has to be a geometric sequence.

the common ratio is r.

s2 = s1 × r

16 = 64 × r

r = 16/64 = 1/4

control :

s3 = s2×r

4 = 16 × 1/4 = 4

correct.

6 0
2 years ago
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iVinArrow [24]
83-63=20
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5 0
3 years ago
When calculating the circumference of a circle, sometimes the radius is given instead of the diameter. What is the relationship
marin [14]

Answer:

Option A ( radius is twice the daimeter )

Step-by-step explanation:

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       Radius² = Daimeter    ⇒    r² =  d

And cricumference can be calculated with radius

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8 0
2 years ago
Read 2 more answers
I don't know how to explain it but please help!
Wittaler [7]

Answer:

required answer. is 1/x³

7 0
3 years ago
Someone answer the whole thing fast plz
Brilliant_brown [7]

Answer:

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58 = 2(2) + b

58 = 4 + b

b = 54

6 0
3 years ago
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