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GrogVix [38]
4 years ago
13

Triangle ABC is an isosceles triangle in which AB = AC. What is the perimeter of △ABC?

Mathematics
2 answers:
Svetlanka [38]4 years ago
7 0
<span><u><em>Answer:</em></u>
perimeter = 10 + </span>√10<span> units

<u><em>Explanation:</em></u>
<u>First, we will need to get the length of each line using the distance formula which is as follows:</u>
distance = </span>\sqrt{( x_{2}- x_{1} )^2 + ( y_{2} - y_{1})^2  }<span>

<u><em>1- length of AB:</em></u>
AB = </span>\sqrt{(-1--1)^2+(1-6)^2}<span> = 5 units

<u><em>2- length of AC</em></u>
length of AC is the same as AB = 5 units

<u><em>3- length of BC:</em></u>
BC = </span>\sqrt{(2--1)^2+(2-1)^2}<span> = </span>√10<span> units

<u>Now, we can get the perimeter by adding the side lengths as follows:</u>
perimeter = 5 + 5 + </span>√10<span>
perimeter = 10 + </span>√10 <span>units

Hope this helps :)</span>
SpyIntel [72]4 years ago
7 0

okie the answer is

10 + square root of 10 units


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Answer:

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m represents the slope of the line

c represents the y-intercept

So we plug in our information into the equation.

The slope is 1/2 so y= 1/2x + c

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<u>Solution-</u>

1.

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Anarel [89]

Answer:

a. C(x) = $16, if 0 ≤ x ≤ 10

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b. Independent: Number of DVD rentals

   Dependent: Monthly cost of rentals

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Step-by-step explanation:

a. The cost (C) of renting 'x' DVDs is given by:

If 10 ≤ x ≤ 10

C(x) = $16

If  x > 10

C(x) = 16 + 2(x-10)

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b. Since the cost depends on the number of DVD rentals, cost is the dependent variable and number of DVD rentals is the independent variable.

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Answer:

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<u>x-intercept</u>

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3 = -2x

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x = - \dfrac{3}{2}

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<u>y-intercept</u>

Since the y-intercept has a x-value of 0, we can substitute this into the equation and solve for y:

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y = -3

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The y-value of the y-intercept is -3, meaning that the y-intercept of the function is \boxed{(0, -3)}.

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3 years ago
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