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Rainbow [258]
4 years ago
9

What is the area of the triangle shown below?

Mathematics
2 answers:
VARVARA [1.3K]4 years ago
6 0
B. 18

You’d take the number for both sides and multiply
6x6 is 36
You’d then take 36 and divide by 2
36/2 = 18
Hope it helped :)
Angelina_Jolie [31]4 years ago
3 0

<em><u>Hi!</u></em>

<em><u /></em>

The equation for finding the <em>AREA </em>of a<em> TRIANGLE </em>is simply: half times base times height, or, 1/2xbxh.

The base here is 6

The height here is also 6

Substitute these values into the formula!

1/2 * (6) * 6)

Multiply!

1/2 * 36.... (6 * 6 = 36)

1/2 * 36 = 18

So, the triangle is 18 sq. units!

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consider the function f(x) = x2 2x – 15. what are the x-intercepts of the function? left-most x-intercept: ( , 0) right-most x-i
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we have

f(x)=x^{2} +2x-15

we know that

The x-intercept is the value of x when the value of the function is equal to zero

so

in this problem

Find the roots of the function

equate the function to zero

x^{2} +2x-15=0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

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Complete the square. Remember to balance the equation by adding the same constants to each side

x^{2} +2x+1=15+1

x^{2} +2x+1=16

Rewrite as perfect squares

(x+1)^{2}=16

Square root both sides

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x=-1(+/-)4

x1=-1+4=3

x2=-1-4=-5

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<u>the answer is</u>

the x-intercepts are the points (3,0) and (-5,0)

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