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Mnenie [13.5K]
2 years ago
14

In the triangle ABC shown below, DE is parallel to BC. Find the length of DB.

Mathematics
1 answer:
allsm [11]2 years ago
8 0

Answer:

i think it's 10 because if DE is 10 so BD is the same think it's 10

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Where do two perpendicular lines intersect
andrew-mc [135]
They intersect at a right angle
5 0
3 years ago
Jasmine’s age is 4 times her age 10 years ago. Write an equation that represents the statement.
aleksandr82 [10.1K]

Answer:

x + 10 = 4x

Step-by-step explanation:

Let x = her age 10 years ago.

Her age now is x + 10.

x + 10 = 4x

5 0
1 year ago
What is the volume of a cone with diameter 21 m and height 4 m?
natima [27]

For this case we have by definition, that the volume of a cone is given by:

V = \frac {1} {3} * \pi * r ^ 2 * h

Where:

A: It is the cone radius

h: It's the height

They tell us that the diameter is 21 m, then the radius is half the diameter, that is: 10.5m. The height is 4m. Substituting the data:

V = \frac {1} {3} * \pi * (10.5) ^ 2 * 4\\V = \frac {1} {3} * \pi * 110.25 * 4\\V = 147 \pi.

Finally, the volume of the cube is147 \pi \ m ^ 3

ANswer:

Option B

3 0
3 years ago
3 square root of 1/125
olasank [31]

3 square root of 1/125

is 1/5

3 0
3 years ago
= 28.16
frosja888 [35]

Answer:

20 m

Step-by-step explanation:

4(3+2) = 20

8 0
2 years ago
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