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guajiro [1.7K]
3 years ago
15

What is the length of DE?

Mathematics
2 answers:
Andrew [12]3 years ago
7 0

Answer:

The length of DE is 5 because they are similar triangle .

Drupady [299]3 years ago
4 0
<h3>Answer:  B. 6</h3>

Explanation:

The triangles are similar. We can use the SAS similarity theorem to prove that claim.

Because the triangles are similar, the corresponding sides form a proportion like shown below

12/8 = 9/x

12x = 8*9 ... cross multiply

12x = 72

x = 72/12

x = 6 which is why the answer is choice B

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8 percent of 2500 is 200.
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Which function does the graph represent
myrzilka [38]

Answer:

The answer is d

Step-by-step explanation:

I graphed it

-b/2a to get the vertex

3x^2-12+9

-(-12)/(2)(3)=2

plug in 2 to the function

12-24+9=-3 which is the y value on the graph

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Can anyone help meeee!
KIM [24]

y = -2/3x -3

x=0 y=-3  point (0,-3)  over 0 down 3

x=3  y=-2/3(3) -3 =-2-3 =-5   (3,-5)  go to the right 3 down 5

3 0
3 years ago
9. Write The eQuaTION OF THE LINE THAT Passes THROUGH THE
lara31 [8.8K]

The final equation of line that passes through (9, 0) AND (0, -6) is:

y=\frac{2}{3}x-6

Further explanation:

The general form of equation of line is:

y=mx+b

Given

(x1,y1) = (9,0)

(x2,y2) = (0, -6)

We have to find the slope first:

m=\frac{y_2-y_1}{x_2-x_1}\\= \frac{-6-0}{0-9}\\=\frac{-6}{-9}\\=\frac{2}{3}

Putting the value of slope in general form

y=\frac{2}{3}x+b

To find the value of b, we have to put a point in the equation

Putting (9,0) in equation

0=\frac{2}{3}(9)+b\\0=2*3+b\\0=6+b\\b=-6

Putting the values of b and m in general form

The final equation of line that passes through (9, 0) AND (0, -6) is:

y=\frac{2}{3}x-6

Keywords: Equation of line, Pount-slope form

Learn more about point-slope form at:

  • brainly.com/question/11207748
  • brainly.com/question/11280112

#LearnwithBrainly

3 0
3 years ago
Ted buys 100 packages of artificial sweetener each pack holds 0.035 ounce of sweetener how many ounces of sweetener does Ted buy
Andrei [34K]

Answer:

3.5

Step-by-step explanation:

5 0
3 years ago
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