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Alexandra [31]
3 years ago
6

Which equation has no solution?

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
8 0
3x-5=4y-6 is the answer
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The figure below shows concentric circles, both centered at 0.0
Rama09 [41]

Answer:

  C.  18 cm

Step-by-step explanation:

The ratio of the sides of the triangle shown is 12 : 15 = 4 : 5. We know it is a right triangle, so we know the missing side length completes the ratio

  3 : 4 : 5 = 9 : 12 : 15

Half of XY is 9 cm, so the length of the entire chord is 18 cm.

_____

The chord is tangent to the inner circle, so makes a 90° angle with the radius to that tangent point. This tells you that the triangle shown is a right triangle. It also tells you that the short radius bisects the chord. The Pythagorean theorem can be used to find the length of the side not shown (half the chord length).

The unknown side (a) can be found from  ...

  15² = 12² +a²

  225 -144 = a² . . . . . . subtract 12²

  81 = a² . . . . . . . . . . .  simplify

  9 = a . . . . . . . . . . . . . take the square root

The chord length is 2a, so is ...

  2(9 cm) = 18 cm . . . . length of chord XY

7 0
3 years ago
Helppppppppppppppppppppppppppppppppppppppppppppp
Kamila [148]

Answer:

the answer is 8,000

Step-by-step explanation:

5 0
3 years ago
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If 588 digits were used to number the pages of a book, how many pages are in this book?
andre [41]

Answer:

294 pages are in this book

Step-by-step explanation:

6 0
3 years ago
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The following two triangles are similar find x
slavikrds [6]

Answer:

5

Step-by-step explanation:

As we can see they are similar triangles then

the ratio of the corresponding sides are equal then

x /25 = 9/45

x = 25 * 1/ 5

x = 5

Hope it will help :)

5 0
3 years ago
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Help look at picture ;-;
GaryK [48]

Answer:

Step-by-step explanation:

turn the 4/3 into a decimal.=1.33

multiply 1.33*3.14=4.1762

i cant see the rest is it r³?

4 0
2 years ago
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