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Art [367]
2 years ago
10

the coordinates of the vertices of a triangle are a(3 3) b(6 6) and c(9,3). What will be the new coordinates after a dilation wi

th a scale factor of 3 if you use the origin as the center of dilaiton?
Mathematics
1 answer:
lisov135 [29]2 years ago
3 0

Answer:

a(9, 9) b(18, 18) c(27, 9)

Step-by-step explanation:

you have to multiply the coordinates by the scale factor

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Convert fraction (ratio) 21 / 49 Answer: 42.857142857143%

The simplest form of 4949 is 11.

The simplest form of 4921 is 73
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A restaurant served 315 meals. one third of the people ate a two-course meal while the remainder ate a three course meal. How ma
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Answer:

840 courses

Step-by-step explanation:

One third of the people ate a two course meal: 105 people ate two course meals.

Two thirds of the people ate a three course meal: 210 people ate three course meals.

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6 0
3 years ago
Find the Value. Please help
Irina18 [472]

The value of y is 36

The value of w is -13

<h3>Calculating the value of angles </h3>

From the given question, we are to determine the value of y

From the given information,

We have that line b is parallel to line c

Then,

74° + (2y + 34)° = 180°

Solve for y

(2y + 34)° = 180° - 74°

2y° + 34° = 106°

2y° = 106° - 34°

2y° = 72°

y° = 72°/2

y° = 36°

Hence, y = 36

In the second diagram,

72° + ∠ACB + ∠BCD = 180° (<em>Sum of angles on a straight line</em>)

From the given information,

BC bisects ∠ACD

Thus,

∠ACB = ∠BCD

Then, we can write that

72° + ∠BCD + ∠BCD = 180°

72°  + 2 × ∠BCD = 180°

2 × ∠BCD = 180° - 72°

2 × ∠BCD = 108°

∠BCD = 108°/2

∠BCD = 54°

Since line j is parallel to line k

Then,

(2w + 80)° = ∠BCD (<em>Corresponding angles</em>)

(2w + 80)° = 54°

2w° + 80° = 54°

2w° = 54° - 80°

2w° = -26°

w° = -26°/2

w° = -13°'

Hence, w = -13

Learn more on Calculating the value of angles here: brainly.com/question/21369105

#SPJ1

8 0
1 year ago
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