2 years ago

What percent of 65 gives you 33

Mathematics

1 answer:

GREYUIT [131]2 years ago

6 0

Answer:

50.8%

Step-by-step explanation:

Convert fraction (ratio) 33 / 65 Answer: 50.769230769231%

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Is (1, 3) a solution to this system of equations?

andrezito [222]

Answer:

because it doesn't work with the first equation

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Subtract 1/4w+4 from 1/2w+3. A. −14w+7 B. −14w+1 C. 14w+7 D. 14w−1

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Im going with B) -14w+1

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3 years ago

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Triangles are congruent if they have the same ____.

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Sviatoslav solved the quadratic equation x^2-x-1=0 by completing the square. In the process, he came up with the equivalent equa

zimovet [89]

Answer:

$x=\frac{1+\sqrt5}{2}$ and $x=\frac{1-\sqrt5}{2}$

and b= $\frac{5}{4}$

Step-by-step explanation:

We are given that a quadratic equation

$x^2-x-1=0$

We have to solve the equation by completing square and find the value of b.

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

$(x-\frac{1}{2})^2-\frac{1}{4}-1=0$

$(x-\frac{1}{2})^2-\frac{1-4}{4}=0$

$(x-\frac{1}{2})-\frac{5}{4}=0$

$(x-\frac{1}{2})^2-(\frac{\sqrt5}{2})^2=0$

$(x-\frac{1}{2})^2=(\frac{\sqrt5}{2})^2$

$x-\frac{1}{2}=\frac{\sqrt5}{2}$ and $x-\frac{1}{2}=-\frac{\sqrt5}{2}$

$x=\frac{\sqrt5}{2}+\frac{1}{2}=\frac{1+\sqrt5}{2}$

And $x=\frac{1}{2}-\frac{\sqrt5}{2}=\frac{1-\sqrt5}{2}$

Therefore, $x=\frac{1+\sqrt5}{2}$ and $x=\frac{1-\sqrt5}{2}$

and b= $\frac{5}{4}$

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3 years ago

Find the smallest number that has 1 2 3 4 5 as factors what is the special name for this number

vodomira [7]

The smallest number that has 1 2 3 4 5 as factors is: 3x4x5 = 60

The special name is Least Common Multiple, because 60 is the LCM of 1, 2, 3, 4, and 5

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1 year ago