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qwelly [4]
3 years ago
15

Please help!

Mathematics
2 answers:
SVEN [57.7K]3 years ago
5 0
D I had to learn about this for an entire quarter
Aleks [24]3 years ago
4 0

Answer:  d. no symmetry

Step-by-step explanation:

  • A line of symmetry divides a figure into two equal halves so that if you flip the half image over it , the figure will appear unchanged.
  • Point symmetry is happened when each part has a corresponding identical part such that the distance from the central point is same but in the opposite direction.

In the given figure, by the above definitions we can see that it neither has point nor has line symmetry.

Hence, the figure has no symmetry.

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Which equation represents a line that passes through (-9, -3) and has a slope of -6?
eimsori [14]

Answer:

D

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

here m = - 6 and (a, b) = (- 9, - 3), so

y - (- 3) = - 6(x - (- 9)), that is

y + 3 = - 6(x + 9)

8 0
3 years ago
Read 2 more answers
Sponge Bob took 30 minutes to walk a mile last week.
sergey [27]
-20%
work:
(24-30):30*100=
(24:30-1)*100=
80-100=-20
6 0
3 years ago
Solve the following systems of equations 2a+4b+c=5 ; a-4b=-6 ; 2b+c=7.
SOVA2 [1]

Answer:

a = -2

b = 1

c = 5

Step-by-step explanation:

Given:

2a + 4b + c = 5 ............(1)

a - 4b = - 6

or

a = 4b - 6 .............(2)

2b + c = 7

or

c = 7 - 2b   ...........(3)

substituting 2 and 3 in  1, we get

2(4b - 6 ) + 4b + (7 - 2b) = 5

or

8b - 12 + 4b + 7 - 2b = 5

or

10b - 5 = 5

or

b = 1

substituting b in 2, we get

a = 4(1) - 6

or

a = -2

substituting b in 3, we get

c = 7 - 2(1)

or

c = 5

thus,

a = -2

b = 1

c = 5

8 0
3 years ago
Points D, E, and F are on circle C and EF ≅ DF. What is the measure of ∠CDF?
antiseptic1488 [7]
The answer is 

26 degrees 

I just did the test hope this helps :)
6 0
3 years ago
Read 2 more answers
9 3 -3/4 -10 1/2 -1.75 least to greatest
Mazyrski [523]

-10, -1.75, -3/4, 1/2, 3, 9

_____________________________

-3/4 converts to -0.75,

and 1/2 converts to 0.5. With -10 being farthest from zero on the number line, it would be the smallest. -1.75 would be the second smallest. Keeping in mind that -3/4 converts to -0.75, it would be the 3rd smallest. 1/2, or 0.5 would be greater, as it is the smallest POSITIVE number. Then you do 3, as it as a whole number, but still not the greatest. 9 would be the greatest.

hope i was helpful;-)

5 0
3 years ago
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