darlenec407p98c1g darlenec407p98c1g

08-04-2020
Mathematics

contestada

Triangle ABC is congruent to Triangle DEF with AB = 2x+6, and DE = 5x-12. What is the length of DE?

Respuesta :

devishri1977 devishri1977

08-04-2020

Answer:

Step-by-step explanation:

ΔABC ≅ ΔDEF

So, DE = AB

5x - 12 = 2x + 6

5x = 2x + 6 +12

5x = 2x +18

5x - 2x = 18

3x = 18

x = 18/3

x = 6

DE = 5x - 12 = 5*6 - 12

= 30 - 12

DE = 18

Answer Link

Otras preguntas

What was the punishment for those who disagreed with the religious beliefs of the New England Puritans? a. Dissenters were banished from the community. b. Diss

a quadratic polynomial has a degree of 2 true or false

QUESTION 1 Simplify: –4(x – 5) + 3(a – 7) –4x + 3a – 1 –4x + 3a + 1 –4x + 3a + 41 –4x + 3a – 41

Please help use attachments

Your teacher wants the students to write on the board. A. Escriban en la pizarra. B. Tomen apuntes. C. Hagan la tarea. D. Cierren los libros

why did the tensions among nations of the industrialized world rise in the Years leading up to World War I? A. Bolsheviks Russia were making an attempt to sprea

What is the m.a.d. of 15,17,23,19

One interior angle of a triangle has a measure that is equal to the sum of the measures of the other two angles of the triangle. What is the measure of the smal

Abdul and his wife are each starting a saving Plan. Abdul Will initially set aside $50 and then add $50.85 every week to the savings. the amount A (in dollars

What’s the name of the ionic compound Zn(OH)2?