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Mandarinka [93]
3 years ago
6

What is the image of the point (-2, 4) after a rotation of 180° counterclockwise

Mathematics
1 answer:
elena55 [62]3 years ago
8 0

Answer:(2,-4)

Step-by-step explanation: The formula to find a point for a 180° rotation about the origin is (x,y)-> (-x,-y) Therefore -2->2 and 4-> -4

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During a certain five year. The consumer price index decreased by 75% but during the next five yearperiod is decreased by only 3
scZoUnD [109]

Answer:

the price index

Step-by-step explanation:

because it said during a CERTAIN five year the cosumer pice index DECREASED by only 75%

7 0
2 years ago
Find the measure of angle C of a triangle ABC, if: d m∠A = 60°+α, m∠B = 60°−α
snow_lady [41]

Answer:

m∠C  =  60°

Step-by-step explanation:

we know that sum of angles of a traingle is 18 degrees.

given

m∠A = 60°+α,

m∠B = 60°−α

we have to find  m∠C

m∠A + m∠B +  m∠C = 180

60°+α +  60° - α +m∠C = 180

+α and -α gets cancelled

120°+m∠C = 180

=> m∠C  =  180° -  120° =  60°

Thus, measure of angle c is  60°.

8 0
3 years ago
How can I factor this Trinomial? Please show me how!<br><br> 3x² - 8x + 4
Inga [223]

Step-by-step explanation:

3x² - 8x + 4 =

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7 0
3 years ago
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andreyandreev [35.5K]

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Step-by-step explanation:

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What are the solutions for x when y is equal to 0 in the following quadratic
lawyer [7]

Answer:

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Step-by-step explanation:

The given quadratic equation is:

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We factor by grouping to obtain:

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7 0
3 years ago
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