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2 years ago

ABCD ~ JKLM. Write a proportion containing BC and JM

Mathematics

2 answers:

love history [14]2 years ago

6 0

Answer:

$\frac{BC}{AD} = \frac{KL}{JM}$

Step-by-step explanation:

It is given that ABCD ~ JKLM.

When two polygons are in similar, their respective sides are in proportion as well.

We need to include BC and JM.

BC is similar to KL of the other figure, whereas JM is similar to AD as well.

Therefore,

$\frac{BC}{AD} = \frac{KL}{JM}$

Mashutka [201]2 years ago

3 0

Answer:

$\frac{BC}{KL}$ = $\frac{AD}{JM}$

Step-by-step explanation:

since the triangles are similar then the ratios of corresponding sides are in proportion , that is

$\frac{BC}{KL}$ = $\frac{AD}{JM}$

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elena55 [62]

Answer:

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Step-by-step explanation:

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Then the tax adds 5.5% of the price of the shoes to the price of the shoes.

He ends up paying 100% + 5.5% of the price of the shoes.

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2 years ago

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the first term of an arithmetic sequence is 10 and the sum of the first five terms is 250,find the sequence

Crazy boy [7]

Answer:

The sequence is:

10, 30, 50, 70, 90.....................

Step-by-step explanation:

We have,

First term (a) = 10

Common difference (d) = ?

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or, $\frac{n}{2} [{2a+(n-1)d}] = 250$

or, $\frac{5}{2} [2*10 + 4d]=250$

or, $\frac{5}{2} * 4[5+d]=250$

or, 10(5 + d) =250

or, 5 + d = 25

∴ d = 20

Now,

2nd term = a + d = 10 + 20 = 30

3rd term = a + 2d = 10 + 2*20 = 10 + 40 = 50

4th term = a + 3d = 10 + 3*20 = 10 + 60 = 70

5th term = a + 4d = 10 + 4*20 = 10 + 80 = 90

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Answer:

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Step-by-step explanation:

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