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Ksenya-84 [330]
3 years ago
9

What is the scale factor of the dilation of triangle ABC to triangle DEF?

Mathematics
2 answers:
elixir [45]3 years ago
7 0

Answer:the correct answer is 2

Step-by-step explanation:

to find the scale factor of similar figures you can divide image over pre-image

so you can divide DF over AC

sleet_krkn [62]3 years ago
4 0

Answer:

0.5

Step-by-step explanation:

Trust me i just did it

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What is the inverse of this function? f(x)=x−7
viva [34]

Answer:

<h3> f^−1(x) = x + 7</h3>

Step-by-step explanation:

Replace f(x) with y. y = x − 7

Interchange the variables.  x = y − 7

Solve for y.  y = x + 7

Solve for y and replace with f^−1 (x).  f^−1(x) = x + 7

I hope this helps have a great day :)

4 0
2 years ago
One base of a trapezoid is five times as long as the other. The height is the average of the two bases. The area is 441 square u
Gelneren [198K]

Answer:

The length of the longer base he 35 units

Step-by-step explanation:

Here, we want to find the length of the longer base of the trapezoid

Mathematically, we can find the area using the formula;

1/2( a + b) h

where a is the shorter base

b is the longer base

h is the height

Let the shorter base be x

The other base is 5 times this length and that makes 5 * x = 5x

Height is the average of both bases;

(x + 5x)/2 = 6x/2 = 3x

Substituting these in the formula, we have ;

1/2(x + 5x)3x = 441

3x(6x) = 882

18x^2 = 882

x^2 = 882/18

x^2 = 49

x^2 = 7^2

x = 7

But the longer base is 5x and that will be 5 * 7 = 35 units

4 0
2 years ago
Learning Task Find the perimeter and area of each figure<br>Perimeter<br>Area<br>om<br>som<br>So​
nexus9112 [7]

Answer:

Step-by-step explanation:

1. Perimeter: 8cm + 8cm + 3cm + 3cm = 22cm

Area: 8cm x 3cm = 24cm

2. Perimeter: 5m + 5m + 5m + 5m = 20m

Area: 5m x 5m = 25m

3. Perimeter: 4m + 4m + 18m + 18m = 44m

Area: 4m x 18m = 72m

6 0
3 years ago
Write an area word problem so that the solution is 36 square units
yawa3891 [41]

Answer:

Find the area of a cardboard box with a length of 9 inches and a width of 4 inches.

Step-by-step explanation:

9 in × 4 in = 36 in²

6 0
3 years ago
What is 4/9 divided by 5?
JulijaS [17]

Answer:

it is 4/45

Step-by-step explanation:

i wrote down and did the work on a piece of paper

3 0
3 years ago
Read 2 more answers
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