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Westkost [7]
3 years ago
9

My friend and I are confused.

Mathematics
1 answer:
Irina-Kira [14]3 years ago
7 0
  • since the base of the bigger triangle and the base of the smaller triangle are parallel
  • therefore the two triangle are similar
  • this means that 10/24=x/3x-3
  • 30x-30=24x "using cross multiplication"
  • 30x-24x=30
  • 6x=30
  • X=30/6=5

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Point D is the centroid of Triangle ABC. Find CD and CE.<br> DE = 9
sukhopar [10]

Given:

Point D is the centroid of Triangle ABC and DE = 9.

To find:

The measures of CD and CE.

Solution:

We know that, centroid is the intersection of medians and it divides each median in 2:1.

In triangle ABC, CE is a meaning and centroid D divided CE in 2:1. So,

Let the measures of CD and DE are 2x and x respectively.

DE = 9                (Given)

x=9

Now,

CD=2x

CD=2(9)

CD=18

And,

CE=CD+DE

CE=18+9

CE=27

Therefore, the measure of CD is 18 units and the measure of CE is 27 units.

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Multiply the two polynomials and write your answer in Standard form -3x(4x-2)
Tatiana [17]

Answer:

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Step-by-step explanation:

-3x(4x-2)

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-*+=-

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Answer:

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Step-by-step explanation:

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If x = 7 units and h = 5 units, then what is the area of the triangle shown.
lukranit [14]

Answer:

35

Step-by-step explanation:

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