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Andreyy89
2 years ago
14

Washing powder cost 12.87 for 9 kg. hwo much does 1 kg cost to the nearst cent

Mathematics
2 answers:
Goryan [66]2 years ago
5 0

Answer:

hard

Step-by-step explanation:

I don't know because I have never learnt these things

Sav [38]2 years ago
4 0

Answer:

1.43

Step-by-step explanation:

9kg -------> 12.87

1kg ---------> x

let the unknown number be x

9 = 12.87 \\ 1 = x \\ use \:  \: cross \:  \: multipication \\ 9x = 12.87 \\  \frac{9x}{9}  =  \frac{12.87}{9}  \\ x = 1.43

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Divide x^3-3x^2-10x+24 by x-1
lesya [120]

Answer:

x^2 - 2x - 12 with remainder 12

Step-by-step explanation:

Synthetic division is the fastest way in which to carry out this division.

The divisor (x - 1) from long division corresponds to the divisor 1 in synthetic division.  Setting up synthetic division, we get:

1     /      1     -3     -10     24

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

             1      -2     -12      12

The first three digits {1, -2, -12} are the coefficients of the quotient, and 12 represents the remainder:

The quotient is 1x^2 - 2x - 12 and the remainder is 12.

6 0
3 years ago
3 sevenths 2 sevenths equals
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3 years ago
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What is the standard form of the equation of the line through (6, –3) with a slope of 2/3? a. 2x – 3y = 21 b. 3x – 2y = –21 c. –
vekshin1

Answer:

i think its b

Step-by-step explanation:

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3 0
3 years ago
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Answer:

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