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guajiro [1.7K]
2 years ago
15

What is the length of DE?

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

Answer:

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

Drupady [299]2 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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Kamilah’s weight has tripled since her first birthday. If w represents the amount Kamilah weighed on her first birthday, write a
S_A_V [24]

Answer:

3*w

Step-by-step explanation:

Kamilah now weighs the triple of what she weighed on her first birthday. That means we need to multiply the first weight by 3. As the first weight is w, she now weighs 3*w.

Another possible expression is to sum 3 times w, that is w + w + w (it's equal to 3*w).

8 0
3 years ago
PLEASE HELP. I NEED ALL!!!!
Iteru [2.4K]
1. y= 6
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8. y= 20
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Hope this helps!
7 0
3 years ago
Read 2 more answers
Luna ray has 5 orange picks and no green picks you add some green picks so 1 in every 3 picks is orange. How many picks are ther
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2 is the answer

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7 0
3 years ago
Marco drew 24 he drew 1/6 of them in art class how many pictures did Marco draw in class
anzhelika [568]
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5 0
3 years ago
X+y=3 x=6-4y using substitution
kenny6666 [7]

Givens

x + y = 3

x =6 - 4y

Solution

Use the top equation to substitute for x in the second equation.

x = 3 - y

Put this result into the second given equation and solve for y

3 - y = 6 - 4y        Add 4y to both sides.

3 - y + 4y = 6       Combine on the left

3 + 3y = 6            Subtract 3 from both sides

3 - 3 + 3y = 6 - 3  Combine

3y = 3                   Divide by 3

3y/3 = 3/3             Combine

y = 1                      

=========================

x + y = 3               but y = 1

x + 1 = 3                Subtract 1 from both sides.

x + 1 - 1 =3 - 1

x = 2

Answer

x = 2

y = 1

4 0
3 years ago
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