billiej billiej

11-02-2017
Mathematics

contestada

a+b+c=180 a=x+25 b=x-5

Respuesta :

apologiabiology apologiabiology

11-02-2017

a+b+c=180
subsittute
x+25+x-5+c=180
2x+20+c=180
minus 20 both sides
2x+c=160
mius 2x
c=160-2x

Answer Link

Otras preguntas

Describe, in detail, to a freshman undergraduate student the basic principle underlying the separation of dna using agarose gel electrophoresis. explain the di

Evan Got 1 Candy Bar and His sister gave him 19 more how many candy bars does he have in all??????

Select answer that best complete the sentence. A ti no __________ las fiestas. te gustan les gusta me gusta nos gustan

What is 3.3 rounded to the nearest whole

During which event of hemostasis do clotting factors (procoagulants) assist with the transformation of blood from a liquid to a gel? select from letters a-d.

Reinhold is filling out the minnesota multiphasic personality inventory (mmpi) and as he reads each question, he thinks about the way most other people would pr

Q # 3 Identify the mapping diagram that represents the relation and determine whether the relation is a function..{(-3,-6),(-1,-6),(5,-6),(8,-6)

Octane (c8h18 ) reacts with oxygen (o2) to form carbon dioxide (co2) and water (h2o). when the equation below is balanced, the coefficient of octane is: c8h18 +

Gronala costs $4.50 per pound. Assorted nuts cost $7.00 per pound. how many pounds of granola and nuts are needed to make 7 pounds of trail mix that costs $5.00

15+21 the distributive property to factor out the greatest common factor.