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NemiM [27]
3 years ago
11

Describe how to solve problems for the area of a reduced or enlarged figure when the scale factor and dimensions of the original

figure are given.
i wll give a brainliest out if it is correct plz hurry im on a quiz help
Mathematics
2 answers:
Murrr4er [49]3 years ago
8 0

Answer:We are going to define the following variables:

A: Area of the original figure.

k: scale factor.

We have that the area of the new figure (reduced or enlarged, depends on the value of k) is:

A '= k ^ 2 * A

Example: rectangle of dimensions (2) * (3) A factor of k = 2 is extended. Find the new area.

The original area is:

A = (2) * (3) = 6

The new area will be:

A '= (2 * 2) * (2 * 3) = 4 * 6 = 24

Or equivalently:

A '= k ^ 2 * A

A '= (2) ^ 2 * (6) = 4 * 6 = 24

saw5 [17]3 years ago
5 0
I don’t understand the question
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8 0
3 years ago
8 1/6 - 2 7/8 = <br><br> BRAINLIEST
ivann1987 [24]

Answer:

5 7/24

Step-by-step explanation:

Convert to improper: 49/6-23/8=254/48 which is 5 7/24

Hope this helps plz mark brainliest :D

6 0
3 years ago
Read 2 more answers
What is area if the perimetre is 26
Masteriza [31]

Answer:

42.25 units²

Step-by-step explanation:

The perimeter of a square is P = 4s.

26 = 4s

26/4 = s

6.5 = s

The side length of the square is 6.5 units.

The area of a square is A = s²

6.5²

= 42.25

The area of the square is 42.25 units².

5 0
3 years ago
Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. Which graph represents the se
Gre4nikov [31]

Given:

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster.

To find:

The graph that represents the set of heights that satisfy this requirement.

Solution:

Let x be the height required for the ride.

Guests must be at least 54 inches tall to be able to ride the roller coaster. It means required height is greater than or equal to 54.

x\geq 54

So, 54 and all values above 54 are in the solution set.

Since, 54 is included in the solution set, therefore there is a closed circle at 54. All values above 54 are in the solution set, so everything to the right of the circle is shaded.

Therefore, the correct option is C.

3 0
3 years ago
Read 2 more answers
Simplifying your answer
coldgirl [10]

Answer:

  -49

Step-by-step explanation:

In order to fill in the given expression, we need to know ...

  • f(-2) = -4
  • f(-3) = 5
  • f(-4) = 7
  • g(0) = -7
  • g(-3) = 3

Then the expression is ...

  √(5 -(-4)) -(-7)² +7÷(-7)·(3) = √9 -49 +7/(-7)(3)

  = 3 -49 +(-1)(3) = 3 -49 -3

  = -46 -3 = -49

7 0
3 years ago
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