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Katarina [22]
3 years ago
8

What are the coordinates of A’, the image of A(-7, 9), after a rotation of -180° about the origin?

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

7,-9

Step-by-step explanation:

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What is the area of this regular pentagon that has been divided into five congruent triangles?
Len [333]

Answer:

120 cm^2.

Step-by-step explanation:

The area of one triangle = 1/2 * base * height

= 1/2 * 8 * 6

= 1/2 * 48

= 24 cm^2

So area of the pentagon = 5 * 24

= 120 cm^2.

7 0
2 years ago
On her coffee table, Anita has a pile of 9 magazines. She plans to get through 2 of them over
Murrr4er [49]

Answer:

either of the 2 is read so the answer is 2/9

7 0
3 years ago
Find the equation for a polynomial f(x) that satisfies the following:
denis-greek [22]

Answer:

f(x) = 1/2(4 - x)(x - 1)(x - 2)

Step-by-step explanation:

Considering zero's and a coefficient, the function is:

f(x) = a(x - 4)(x - 1)(x - 2)

Considering y-intercept:

f(0) = a(0 - 4)(0 - 1)(0 - 2)

4 = a(-4)(-1)(-2)

4 = -8a

a = -1/2

So the function is:

f(x) = -1/2(x - 4)(x - 1)(x - 2) = 1/2(4 - x)(x - 1)(x - 2)

3 0
2 years ago
What is the equation of the graphed line written in standard form?
Marianna [84]

Answer:

The answer is A)x = –3

Step-by-step explanation:

y=0 x=-3

3 0
2 years ago
Read 2 more answers
Bonus question ! <br> If you answer something dumb I'll report you .
Liono4ka [1.6K]
Hello,
We know that
1/Angle 1= Angle 6= Angle 9= Angle 14=Angle 3= Angle 8= Angle 11= Angle 16

2/Angle 2= Angle 5= Angle 10= Angle 13= Angle 4=Angle 7=Angle 12= Angle 15

Check:
Option A:
Angle 2= Angle 7
Parallel
Option B:
Angle 3= Angle 11
Parallel

Option C:
Angle 1= Angle 12
None

Option D:
Angle 13= Angle 12
Parallel

Option E:
Angle 6 angle 7 are supplementary; supplementary means that both angles add up together to get 180°. To help you understand clearly, you see that when the two angle on the same line like angle 5 and 6, angle 1 and 5. However, for this one it will be False because both angle are obtuse which more than 90°. Hope it help!
4 0
3 years ago
Read 2 more answers
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