hellgoodbye21 hellgoodbye21

18-10-2018
Mathematics

contestada

Please help...

If ABCD ≅ QRST, m<A = x - 10, and m<Q = 2x - 30, what is the m<A?

A. 10
B. 20
C. 30
D. 40

Respuesta :

24-10-2018

If ABCD ≅ QRST, then m∠A = m∠Q. Therefore we have the equation:

x - 10 = 2x - 30 |+10

x = 2x - 20 |-2x

-x = -20 |change the signs

x = 20

Answer: B. 20

Answer Link

Otras preguntas

Detemine how many atoms are in 5.00g of 13c.

Why did tariff reform fail in the 1890s?

what does sois mean in spanish?

What does it equal? Because I'm really confused

How are models related to theories and hypotheses?

Consider your knowledge about the cell membrane and check all of the true statements below.

Sodium (atomic #11) and chlorine (atomic #17) bind together to form sodium chloride (NaCl), also known as salt. The type of bond that forms between these two e

why did the government and court system generally side against unions in the late 1800s?

Which of the following contributed to England's ability to establish colonies in the New World? a. the defeat of the Spanish armada b. increased conflicts with

Which of the following would be a helpful open-ended question for you to ask after someone has read your paper? Can you identify three areas where I need to i