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olasank [31]
3 years ago
11

Which transformations will produce similar, but not congruent, figures?

Mathematics
2 answers:
nikitadnepr [17]3 years ago
8 0

Answer:

Trapezoid MNOP  is dilated by a scale factor of 12 and then rotated 90° counterclockwise to form trapezoid M"N"O"P" .

 Trapezoid MNOP ​ is translated 7 units right and then dilated by a scale factor of 5 to form ​ trapezoid M"N"O"P" ​ .

 Trapezoid MNOP ​ is dilated by a scale factor of 18 and then reflected across the x-axis to form ​ trapezoid M"N"O"P" ​ .

Step-by-step explanation:

Download pdf
Leni [432]3 years ago
7 0
<h3>Answer:</h3>

the first 3 choices are correct

<h3>Explanation:</h3>

Dilation by any factor other than 1 changes the size, so will produce a similar, not congruent, figure. Translation, reflection, and rotation have no effect on similarity or congruence, since those transformations all maintain lengths and angles unchanged.

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3 years ago
Nia and Trey both had sore throats, so their mom told them to gargle with warm salt water. Nia mixed 1 teaspoon salt with 3 cups
Harrizon [31]

Answer:

Each mixture has the same amount of salt for every 1 cup of water.

Step-by-step explanation:

It is provided that:

  • Nia mixed 1 teaspoon salt with 3 cups warm water.
  • Trey mixes 1 /2 teaspoon salt with one and 1/2 cups warm water.

The ratio of the number of teaspoons of salt to the number of cups of water is 1 : 3 in Nia's solution.

On dividing the amount of salt and the amount of water by 3, the ratio will be the same.

\text{Salt}: 1\div3=\frac{1}{3}\\\\\text{Water}:3\div3=1\\

Thus 1 : 3 is equivalent to the ratio \frac{1}{3}:1, which means that Nia's solution has \frac{1}{3}teaspoon of salt for every cup of water.

The ratio of the number of teaspoons of salt to the number of cups of water is \frac{1}{2}:1\frac{1}{2} in Trey’s solution.

On dividing the amount of salt and the amount of water by 1\frac{1}{2}, the ratio will be the same.

\text{salt}:\frac{1}{2}\div 1\frac{1}{2}=\frac{1}{3}\\\\\text{Water}:1\frac{1}{2}\div1\frac{1}{2}=1

So Trey’s ratio is also equal to the ratio \frac{1}{3}:1.

Since each mixture has the same amount of salt for every 1 cup of water, they are equally salty and taste the same.

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3 years ago
A cube has edge length 3 in. What is its volume in inches cubed?
Nadusha1986 [10]

Answer:

Volume = 33 = 27 inches^{3}

Can u gimme brain plz!

<h2 />
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