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Savatey [412]
3 years ago
5

Help if correct will give you brainliest

Mathematics
1 answer:
Scilla [17]3 years ago
8 0

Answer:

a makes sense to me

Step-by-step explanation:

You might be interested in
3. In the figure below, E is on AD and C is on BD. The dimensions given are in meters. What is the length, in meters, of CD?
damaskus [11]

Answer:

C. 3,960

Step-by-step explanation:

∆ADB ~ ∆EDC. Therefore,

\frac{AB}{EC} = \frac{DB}{DC}

\frac{2,000}{1,200} = \frac{2,640 + x}{x} (substitution)

Solve for x

\frac{5}{3} = \frac{2,640 + x}{x}

Cross multiply

5*x = 3(2,640 + x)

5x = 7,920 + 3x

5x - 3x = 7,920

2x = 7,920

x = 7,920/2

x = 3,960 meters

7 0
2 years ago
I will mark the brainliest <br> Please answer thank youu!!!
antiseptic1488 [7]

Answer: its option "b"

Pentagon;not regular

Step-by-step explanation:

The polygon has 5 sides but all the sides are not equal

hence, it is an irregular pentagon

Hope this helped you!!

Please Mark as Brainliest!! : )

7 0
3 years ago
Plssssss help giving brainliest
ioda

Answer:

ask your teacher

Step-by-step explanation:

3 0
2 years ago
If 3(d+1)=4(d–2)<br> then what is the value of 5(d–2)
Sonja [21]

Answer:

5(d - 2) = 45

Step-by-step explanation:

Solve the given equation for d

3(d + 1) = 4(d - 2) ← distribute parenthesis on both sides

3d + 3 = 4d - 8 ( subtract 3d from both sides )

3 = d - 8 ( add 8 to both sides )

11 = d

Then

5(d - 2) = 5(11 - 2) = 5(9) = 45

3 0
2 years ago
Someone help!! 20 points to whoever can help me with this problem and give me the correct reasoning
MrMuchimi

Answer:

80

Step-by-step explanation:

180-(60+40)=180-60-40=180-100=80

4 0
2 years ago
Read 2 more answers
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