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3 years ago

5

The scale factor of the dimensions of two similar wood floors is 5 : 3. It costs $144 to refinish the smaller wood floor. At t

hat rate, how much would it cost to refinish the larger wood floor?

1 answer:

Eva8 [605]3 years ago

6 0

Answer: 240

Step-by-step explanation:

144/3 = 48

5x48= 240

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Solve x2−5x=8 by completing the square. Round your answers to the nearest hundredth.

Bogdan [553]

Answer:

$x = \dfrac{5}{2} \pm {\dfrac{\sqrt{57}}{2}$

Step-by-step explanation:

$x^2 - 5x = 8$

$x^2 - 5x + \dfrac{25}{4} = 8 + \dfrac{25}{4}$

$(x - \dfrac{5}{2})^2 = \dfrac{57}{4}$

$x - \dfrac{5}{2} = \pm \sqrt{\frac{57}{4}}$

$x = \dfrac{5}{2} \pm {\dfrac{\sqrt{57}}{2}$

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What is the solution of 3 sqrt x+8=-4?

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Answer:

$x=-72$

Step-by-step explanation:

The given equation is $\sqrt[3]{x+8}=-4$ .

We cube both sides of this equation to obtain;

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This implies that;

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We group similar terms to obtain;

$x=-64-8$

We simplify the right hand side of the equation to obtain;

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Therefore x=-72 is the solution of the given equation.

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Write an equation for the line parallel to the given line that contains C. <br><br> C(3,6); y= -2x+7

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Answer:

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Step-by-step explanation:

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3 years ago

Jack is 10 years old. Kylie is 17 years old. Vanessa is 23 years old. Kylie and Vanessa share £16 in the ratio of their age. Kyl

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Answer:

£3.66

Step-by-step explanation: if you need it :D

17 + 23 = 40

40 = 16 what about 17

16 × 17 = 272 ÷ 40 = £6.8

16 - 6.8 = £9.2

20% of £6.8 = £1.36

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Can you mark my answer brainliest? Tysm! :D

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It would be 174400 that would be the answer

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3 years ago

Read 2 more answers