jetblackcap
jetblackcap
23-04-2018
Mathematics
contestada
HELP IS MUCH NEEDED :)
Respuesta :
Аноним
Аноним
23-04-2018
∠ADC = 112°
∠ADC =6x + 7 + 12x - 3
Equate both:
6x + 7 + 12x - 3 = 112
Solve for x :
6x + 7 + 12x - 3 = 112
Combine like terms:
18x + 4= 112
Take away 4 from both sides:
18x = 108
Divide both sides by 18:
x = 6
Find ∠ADB:
6x + 7 = 6(6) + 7 = 43
Answer: ∠ADB = 43°
Answer Link
Supernova
Supernova
23-04-2018
If m∠ABC = 112°, then m∠ADB + m∠BDC must equal 112°.
Make
m∠ADB + m∠BDC = 112.
6x + 7 + 12x - 3 = 112
18x + 4 = 112
18x = 108
x = 6
Now plug x into 6x + 7 to find m∠ADB.
6(6) + 7 = 43
m∠ADB = 43°
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
11. can best be described as the total value of all final goods, services, and structures produced in an economy in a one-year period. A. GDP B. CPI C. Real GDP
Compared to your weight and mass on earth, if you were on the moon
What three-day battle fought in July of 1863 was brought about by an advance by Confederate forces into the northern territory? Second Battle at Bull Run Bull
What’s the Pythagorean therorimm
The statement below is a quote by Lee Hamilton, former member of the US Congress. “Our democracy is not a product but a continual process. Sometimes it needs re
A construction team is going to Guatemala to help a missionary build a church building. The construction team will be there for 24 days, which is 50% more days
Neurotransmitters that do not bind with the postsynaptic neuron are sometimes taken back up into the presynaptic neuron in a process called
What distinguishes first class levers from both second and third class levers? A. The fulcrum is between the load and effort. B. There is a fulcrum on both side
Solve the following system: y = x 3 3x y = 19 (7, 4) (â’4, 7) (4, 7) (4, â’7).
Choose the best answer. Native chieftain ___________ led an unsuccessful rebellion against Spanish rule. Lempira Fonseca Motagua Cuchumatenes
