All categories

3 years ago

If an image of a triangle is congruent to the pre-image, then the scale factor of the dilation must be n=__?

Mathematics

2 answers:

vovangra [49]3 years ago

6 0

If the triangle and the pre image are congruent then they should equal have the same dilation

Olin [163]3 years ago

4 0

If the image is congruent to the pre-image, then the scale factor must be 1.

You might be interested in

Solve for x 4(−7x−2)−10=-3 + 5x+1

Hatshy [7]

Answer:

i think the answer is -33

Step-by-step explanation:

8 0

3 years ago

How could you use coordinate geometry to prove that segment BC is congruent to segment AD?

liberstina [14]

Answer:

Prove the lengths are the same

Step-by-step explanation:

When we say segments are congruent, we mean their lengths are the same.

Let's see if they are congruent.

AD = √((3-(-3))² +(2-2)²) = 6

BC = √((6-0)² +(6-6)²) = 6

AD ≅ BC . . . . their lengths are the same

8 0

3 years ago

Read 2 more answers

Daniella has a baking pan shaped like a rectangular prism. It measures 16 inches wide and 3.75 inches high. If the volume of Dan

saveliy_v [14]

Answer:

Length of prism = 17.5 in

Step-by-step explanation:

Given:

Width = 16 in

Height = = 3.75 in

Volume of rectangular prism = 1,050 inches

Find:

Length of prism

Computation:

Volume of rectangular prism = WHL

1,050 = Length of prism × 16 × 3.75

Length of prism = 17.5 in

4 0

3 years ago

Need help please!!!!

mario62 [17]

Id say it's choice b top right.

5 0

3 years ago

The denominator of a fraction is 10 more than its numerator.

Dennis_Churaev [7]

The right answer is Option C : 5

Step-by-step explanation:

Let,

The numerator of fraction = x

The denominator of a fraction is 10 more than its numerator.

$\frac{x}{x+10}$

When 1/3 is added to this fraction,

$\frac{x}{x+10}+\frac{1}{3}$

the resulting fraction’s denominator is three times the denominator of the original fraction its numerator is 15 less than its denominator

$\frac{3(x+10)-15}{3(x+10)}$

Therefore, it becomes

$\frac{x}{x+10}+\frac{1}{3} = \frac{3(x+10)-15}{3(x+10)}$

Taking LCM on left side

$\frac{3x+(x+10)}{3(x+10)}=\frac{(3x+30)-15}{3(x+10)}\\\\\frac{3x+x+10}{3(x+10)}=\frac{3x+30-15}{x(x+10)}\\\\\frac{4x+10}{3(x+10)}=\frac{3x+15}{3(x+10)}$

Multiplying both sides by 3(x+10)

$3(x+10)*\frac{4x+10}{3(x+10)}=\frac{3x+15}{3(x+10)}*3(x+10)\\4x+10=3x+15\\4x-3x=15-10\\x=5$

The numerator of original fraction is 5.

The right answer is Option C : 5

Keywords: fraction, addition

Learn more about fractions at:

#LearnwithBrainly

8 0

3 years ago