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NISA [10]
3 years ago
10

Use the scale factor to find the area of the enlarged figure. Explain your steps.

Mathematics
2 answers:
lora16 [44]3 years ago
3 0

Answer:

12.8 units

Step-by-step explanation:

25.6/8 = a/4

a = 4 × 25.6/8

a = 12.8

DochEvi [55]3 years ago
3 0

Answer: 327.68

Step-by-step explanation:The scale factor of the enlargement is 3.2. Square the scale factor to get 10.24. Find the area of the original figure, which is 32. Multiply 32 and 10.24 to get the area of the enlarged figure, which is 327.68.

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17.The diameter of a circle has endpoints P(–7, –10) and Q(3, 2).
ser-zykov [4K]
A.) (-2,-4)
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(-7+5,-10+6)
(-2,-4)
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4 years ago
Solve by completing the square<br>3x2 + x - 2 = 0​
DIA [1.3K]

Answer:

x = 2/3 or x = -1

Step-by-step explanation by completing the square:

Solve for x:

3 x^2 + x - 2 = 0

Divide both sides by 3:

x^2 + x/3 - 2/3 = 0

Add 2/3 to both sides:

x^2 + x/3 = 2/3

Add 1/36 to both sides:

x^2 + x/3 + 1/36 = 25/36

Write the left hand side as a square:

(x + 1/6)^2 = 25/36

Take the square root of both sides:

x + 1/6 = 5/6 or x + 1/6 = -5/6

Subtract 1/6 from both sides:

x = 2/3 or x + 1/6 = -5/6

Subtract 1/6 from both sides:

Answer:  x = 2/3 or x = -1

3 0
3 years ago
A tree dimensional figure has _______, ___________, __________, ​
Anton [14]

Answer: faces, edges, and vertices.

Also height, width and depth.

5 0
3 years ago
What is 13x-8 less than or equal to -32 simplified?
lapo4ka [179]

Answer:

Add

8

8 to both sides

1

3

x

≥

−

3

2

+

8

13x≥−32+8


2 Simplify

−

3

2

+

8

−32+8 to

−

2

4

−24

1

3

x

≥

−

2

4

13x≥−24


3 Divide both sides by

1

3

13

x

≥

−

2

4

1

3

x≥−

​13

​

​24

​​


3 0
3 years ago
Read 2 more answers
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