3 years ago

What is 102.3 divided by 4.7 estimated answer

Mathematics

2 answers:

andriy [413]3 years ago

6 0

round 102.3 to 100

4.7 to 5

100/5=20

20 is the answer

andre [41]3 years ago

6 0

Round 102.3 and 4.7 then divide the two estimated numbers

Your correct answer will be 20

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The solved given equation is $x^3+x^2+16x-20=(x-2)(x-2)(x+5)$ .

Step-by-step explanation:

Given equation is $-3x^3-x^2+54x-40=2x^2+6x+20$

To solve the given equation:

$-3x^3-x^2+54x-40-2x^2-6x-20=0$

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Multiply the above equation into $-\frac{1}{3}$ on both sides

$-3x^3-3x^2+48x-60\times (-\frac{1}{3})=0\times (-\frac{1}{3})$

$x^3+x^2+16x-20=0$

To sove the equation by using synthetic division method

2_| 1 1 -16 20

0 2 6 -20

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1 3 -10 0

Therefore x-2 is a factor

Therefore the quadratic equation is $x^2+3x-10=0$

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(x-2)=0 or (x+5)=0

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Therefore the factors are x-2,x-2,x+5

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