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Fittoniya [83]
3 years ago
11

Which rule describes a translation that is 6 units to the left and 4 units up?

Mathematics
2 answers:
Korvikt [17]3 years ago
6 0

Unit 4 Lesson 9 Unit Test "Transformations"


1) A. I and III only


2) C.


3) B. (x,y) arrow (x-6, y-5)


4) D. (4,-5)


5) C. P'(4,1), Q'(2,-8), and R'(-8,-1)


6) D.


7) A. ON


8) A. 240 Degrees


9) D. 6


10) C. S


11) C. Circle


12) D. No symmetry


13) A. (5,9)


14) D is flipped when reflected over l and is regular when reflected over m


15) Translation; does not rotate just slides down and is not altered


16)


17) A(-3,1)=(-12,4), B(4,-3)=(16,-12) C(2,3)=(8,12) D(-1,4)=(-4,16) Since you multiply each by the scale factor of 4.

All multi choice are 100% correct I just took the test.

Dimas [21]3 years ago
5 0
<span> x represents displacements which are positive to the right of the origin, while y represents displacements which are positive when vertically upward. </span>

<span>Then the required displacement has x decreasing by 6 units, and y increasing by 5 units. (x – 6, y + 5) is then the correct answer</span>
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The correct responses found using trigonometric ratios are as follows;

  1. Brooke's cannot bring the boat back without getting water over her boots.
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  3. The plane will not disturb
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1. The depth of the water = 15 × tan(4°) = 1.049 m

The height of Brooke's boot = 1 m

Therefore;

  • Brooke's cannot bring the boat back without getting water over her boots.

2. The angle of elevation of the plan = arccos(99/100) ≈ 8.110°

Given that the angle of elevation the plan, 8.110°, is more than 8° limit, we find;

  • The plan will not be approved.

3. Height reached by the plane = 9 × tan(21°) = 3.455

Therefore;

  • The plane will not disturb.

4. Height of the chimney at the factory = 50 × tan(51°) = 61.745

The minimum chimney height = 65 m.

Therefore;

  • The company can not use the chimney legally.

6. Length of the bridge = 72 × tan(55°) ≈ 102.83

Therefore;

  • The Long company will build the bridge because it is longer than 100 m. but not more than 103 m.

7. Height reached by the ladder = 26 × sin(43°) ≈ 17.7

Therefore;

  • The fireman can reach her.

8. Height reached by the ski lift = 1000 × sin(29°) ≈ 484.8

Therefore;

  • The lift does not take the skiers up to the bar.

9. Height reached by plane = 26 × tan(9°) ≈ 4.12

The plane flies under the cloud therefore;

  • Eric will be able to see his Dad's plane.

10. Length required for the metal brace = 21/(cos(73°)) ≈ 71.83

Therefore;

  • The brace that wastes less metal is the 73 m. brace, because the 71 m. brace is not long enough and two braces will be required.

Learn more about trigonometric ratios here:

brainly.com/question/24349828

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