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uranmaximum [27]
3 years ago
8

Some one please help me this question. No spam please ​

Mathematics
1 answer:
svetlana [45]3 years ago
4 0

Answer:

8.25 cm and 12.5 cm

Step-by-step explanation:

Given a line parallel to a side of the triangle and it intersects the other two sides, then it divides those sides proportionally, that is

(i)

\frac{AD}{DB} = \frac{AE}{EC} , substitute values

\frac{2.5}{3} = \frac{3.75}{EC} ( cross- multiply )

2.5 EC = 11.25 ( divide both sides by 2.5 )

EC = 4.5 cm

Then

AC = AE + EC = 3.75 + 4.5 = 8.25 cm

--------------------------------------------------------------------

(ii)

Similarly

\frac{AD}{DB} = \frac{AE}{EC} , substitute values

\frac{3.6}{10-3.6} = \frac{4.5}{EC} , that is

\frac{3.6}{6.4} = \frac{4.5}{EC} ( cross- multiply )

3.6 EC = 28.8 ( divide both sides by 3.6 )

EC = 8 cm

and

AC = AE + EC = 4.5 + 8 = 12.5 cm

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Neither they get the same amount

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4 years ago
I need some geometry help please
nadezda [96]
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3 years ago
A book sold 41,900 copies in its first month of release. Suppose this represents 8.1% of copies sold to date. How many copies ha
babymother [125]

517284 books have been sold to date.

Step-by-step explanation:

Given,

Copies sold in first month = 41900

This represents 8.1% of copies sold to date.

Let,

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8.1% of x = 41900

\frac{8.1}{100}*x=41900\\0.081x=41900\\

Dividing both sides by 0.081

\frac{0.081x}{0.081}=\frac{41900}{0.081}\\x=517283.95

Rounding off to nearest whole number

x = 517284

517284 books have been sold to date.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/8540796
  • brainly.com/question/8618791

#LearnwithBrainly

3 0
3 years ago
A man walks at 60km/ hr. How long does he walks between 9:30 am and 12 noon​
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Answer:

He walks 150 km in 2.5 hours.

Step-by-step explanation:

From 9:30 a.m. to noon, it's 2.5 hours.

distance = speed * time

distance = 60 km/h * 2.5 h

distance = 150 km

Answer: He walks 150 km in 2.5 hours.

3 0
3 years ago
It don’t make no sense
Soloha48 [4]
Yes it does not, i want my free points
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3 years ago
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