3 years ago

Which transformation of a scalene triangle produces an image that is similar, but not congruent, to the original?

Mathematics

1 answer:

melisa1 [442]3 years ago

5 0

I'm guessing dilation of magnitude 6 centered at the origin

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Add, subtract, multiply, or divide. Round answers to money problems to the nearest cent. Show how you solved these four problems

Katena32 [7]

Answer:

The formatting on this is a little weird but if I'm reading it correctly:

1) 3.38

2) 7.29

3) 0.05

4) 0.42

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3 years ago

The square root of -108 minus the square root of -3

Lady_Fox [76]

square root(-108) - square root(-3) =8.66025404 i

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3 years ago

The figure shows △ABC . BD is the angle bisector of ∠ABC .

Misha Larkins [42]

From angle bisector theorem, we know that:

$\dfrac{|AD|}{|DC|}=\dfrac{|BA|}{|BC|}\\\\\\\dfrac{|AD|}{|DC|}=\dfrac{8}{10}=\dfrac{4}{5}$

Moreover:

$|AD|+|DC|=6$

so:

$|DC|=6-|AD|$

and

$\dfrac{|AD|}{|DC|}=\dfrac{4}{5}\\\\\\\dfrac{|AD|}{6-|AD|}=\dfrac{4}{5}\qquad\qquad\text{cross multiplying}\\\\\\ 5\cdot|AD|=4\cdot\big(6-|AD|\big)\\\\5\cdot|AD|=24-4\cdot|AD|\\\\5\cdot|AD|+4\cdot|AD|=24\\\\9\cdot|AD|=24\qquad|:9\\\\\\|AD|=\dfrac{24}{9}=\boxed{\dfrac{8}{3}}$

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3 years ago

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13. Higher Order Thinking Kyra has a rock collection. When she puts her rocks into 2 equal piles, there are no rocks left over.

taurus [48]

12rocks 6 in each 2 equal piles 4 in each 3 equal piles And 3 in each 4 equal piles

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3 years ago

Find the cost of 20 grams of lead at 60$ per kilogram

ASHA 777 [7]

Answer:

$1.20

Step-by-step explanation:

Ratio:

Grams : Kilograms

1 : .001

Multiply both sides by 20 to convert grams to kilograms:

Grams : Kilograms

1 : .001

x20 x20

20 : .02

This means that 20 grams of lead = .02 kilograms of lead

Price:

Cost : Kilogram

$60 : 1

Multiply both sides by .02 to find the price of the lead:

Cost : Kilogram

$60 : 1

x.02 x.02

$1.20 : .02

Therefore, .02 kg of lead costs $1.20.

6 0

2 years ago