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3 years ago

Nyali paid $62 for a bicycle. She sold it later for $46. What was her percentage loss?

Mathematics

1 answer:

WARRIOR [948]3 years ago

4 0

Answer:

25.8 %

Step-by-step explanation:

FIrst you need to find how much 1% of sixty two is worth (1.612) then find the difference between values ($16) then multiply these values together to find your answer

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Point M is the midpoint of segment AB.<br> AM=3x+40 and MB=x^2. Find x and AB

Nina [5.8K]

$\text{Hello there! :)}$

$x = 8\\\\AB = 128 \text{ units}$

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$\text{Since Point M is the midpoint of AB, then:}\\\\AM = MB\\\\$

$\text{Set the two equations equal to each other:}\\\\3x + 40 = x^{2} \\\\$

$\text{Move all terms over to one side to simplify more easily:}\\\\0 = x^{2} - 3x - 40$

$\text{Factor by finding numbers that sum up to -3 and multiply into -40:}\\\\0 = (x - 8)(x + 5)\\\\x = -5, 8$

$\text{The length of a segment cannot be negative, so choose the positive solution:}\\\\x = 8$

$\text{Substitute in this value of x into either AM or MB to solve for AB:}$

$AB = 2(MB)\\\\AB = 2(x^{2} )\\\\AB = 2(8^{2})\\ \\AB = 2(64)\\\\AB = 128 \text{ units}$

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4 years ago

24x squared – 44x + 12

vekshin1

Answer:

Step-by-step explanation: 24 squared is 576 - 44x + 12

576 + 12 = 588

588 - 44x

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4 years ago

Solve for A: B=3/10(A-4)

Firlakuza [10]

Answer:

A= 10B/3 +4

Step-by-step explanation:

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3 years ago

The probability of a basketball player missing a foul shot is . What is the

iren [92.7K]

The probablitity would be 44%

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4 years ago

Find the equation of a line tangent to the circle (x−1)^2+y^2=26 at the point (2, −5).

77julia77 [94]

Center of circle is ( 1, 0).

Slope of normal passing though ( 1, 0 ) and ( 2, -5 ) is :

$m_p=\dfrac{0-(-5)}{1-2}\\\\m_p=-5$

So, slope of tangent will be :

$m_t=-\dfrac{1}{m_n}\\\\m_t=\dfrac{1}{5}$

Equation of tangent :

$y-(-5)=\dfrac{1}{5}(x-2)\\\\5y+25=x-2\\\\5y-x+27=0$

Hence, this is the required solution.

6 0

4 years ago