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Paladinen [302]
3 years ago
15

What is the rational number equivalent to 3.12?

Mathematics
1 answer:
Artyom0805 [142]3 years ago
4 0
3.12 = 312/100
(÷4)
= 78/25
= 3 3/25

Hope it helped!
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Factor 2x^2-128 completely
Alina [70]
2x² - 128

2(x² - 64), but (x² - 64)  = x² - 8² (difference of 2 squares),[a²-b²=(a-b)(a+b)]

2(x² - 64) = 2(x² - 8²) = 2(x-8)(x+8)

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an official playing field (including end zone) for the indoor football league has a length 39 yd longer than its width. the peri
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Answer:

42

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Harry cycles 8 kilometres in 30 minutes.<br> Calculate his average speed, in km/h
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Pls help if you’re good at trigonometry tysm! Best answer is brainliest!
ExtremeBDS [4]

Answer:

7) a = 65; b = 50

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Step-by-step explanation:

7)

a = 65

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8)

c = 125

d + 125 = 180

d = 55

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Please help... I really need this.
valentinak56 [21]

Answer:

\frac{4x^3-3x^2+5x+6}{x+6}=4x^2-27x+167-\frac{996}{x+6}

Step-by-step explanation:

The division problem given to us is (4x^3-3x^2+5x+6)\div (x+6).

To perform the synthetic division, we write out the coefficient of the polynomial. We set the linear factor to zero and solve for x, this becomes our divisor. That is x+6=0\implies x=-6.

We carry out the synthetic division as shown in the attachment.

The result of the synthetic division is 4   -27   167   -996

The first three terms are the coefficients of the quotient and the last term is the remainder.

Therefore the quotient is q(x)=4x^2-27x+167 and the remainder is r(x)=-996.

The dividend, the quotient and the divisor are written as

\frac{4x^3-3x^2+5x+6}{x+6}=4x^2-27x+167-\frac{996}{x+6}

The correct answer is A

3 0
3 years ago
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