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Olegator [25]
2 years ago
9

What is the sum of 308, 622 and 381.

Mathematics
1 answer:
dalvyx [7]2 years ago
6 0

Answer:

755

Step-by-step explanation:

The sum of 308+622+381=755

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Please help?!
Anton [14]

Answer:

Δ PQT ~ Δ QRS  .....{S-S-S test for similarity}...Proof is below.

Step-by-step explanation:

Given:

In Δ PQT

PQ = 30 ft

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In Δ QRS

QR = 15 ft

RS = 14 ft

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To Prove:

Δ PQT ~ Δ QRS

Proof:

First we consider  the ratio of the sides

\frac{PQ}{QR}=\frac{30}{15} = \frac{2}{1}            ..............( 1 )

\frac{QT}{RS}=\frac{28}{14} = \frac{2}{1}            ..............( 2 )

\frac{TP}{SQ}=\frac{20}{10} = \frac{2}{1}            ..............( 3 )

So By equation ( 1 ), ( 2 ) and  ( 3 ) we get

\frac{PQ}{QR}=\frac{QT}{RS} = \frac{TP}{SQ}

Now in Δ PQT  and Δ QRS we have

\frac{PQ}{QR}=\frac{QT}{RS} = \frac{TP}{SQ}

Which are corresponding sides of a similar triangle in proportion.

∴ Δ PQT ~ Δ QRS  .....{S-S-S test for similarity}...Proved

8 0
3 years ago
Bc has endpoints b(5 ,9) and c(-4, -3). Find the coordinates of the midpoint of bc
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<span>I hope this helps.</span>
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Answer:

A.

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EF^2=18^2-12^2

EF^2=324-144

EF^2=180

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7 0
3 years ago
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