3 years ago

Bianca calculated the height of the equilateral triangle with side lengths of 10.

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

6 0

Answer:

Bartholomew

Step-by-step explanation:

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Peter plans to build a tree house in his back yard. He needs to know how many square feet of lumber he should buy for the floor.

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Answer:

20n

Step-by-step explanation:

Multiply square feet per person times the number of persons to find square feet.

The units analysis looks like this:

$\dfrac{\text{ft}^2}{\text{person}}\times \text{persons}=\text{ft}^2\\\\20\dfrac{\text{ft}^2}{\text{person}}\times n\,\text{persons}=20n\,\text{ft}^2$

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3 years ago

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Using the quadratic formula to solve 11x²-4x=1 What are The values of X?

Anvisha [2.4K]

$11x^2 - 4x = 1$
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$x = \frac{-(-4) \± \sqrt{(-4)^{2} - 4(11)(-1)}}{2(11)}$
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$x = \frac{4 \± \sqrt{60}}{22}$
$x = \frac{4 \± 2\sqrt{15}}{22}$
$x = \frac{2 \± \sqrt{15}}{11}$
$x = \frac{2 + \sqrt{15}}{11}\ \bold{or}\ x = \frac{2 - \sqrt{15}}{11}$

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4 years ago

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The point (1,1) is the image under the image under rhe translation (x,y) (x+3,y-3)

Dmitry_Shevchenko [17]

Sent a picture of the solution to the problem (s). I took a guess at what it asked.