Seudónimo
Seudónimo
16-11-2016
Mathematics
contestada
pls answer with working out
Respuesta :
charstar
charstar
19-11-2016
It is a pentagon so the sum of the angles is 520, therefore:
75+140+2x+5x+3x+5=520
80+140+2x+5x+3x=520
220+2x+5x+3x=520
2x+5x+3x=300
10x=300
x=30
Hope this helps :)
Answer Link
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
Does anyone know the full answers to these questions as there are very few answers in the book. CGP ADDITIONAL SCIENCE B2 Topic 1 revision summary
Im not sure with my homework the question is:describe ancient egypt's major river, using the words delta and cataract. Any help please?
which activity would most likely increase the mutation rate in a culture of bacteria being grown in a laboratory experiment? 1) adding more distilled water to
Frances is sewing a border around 2 rectangular tablecloths that each measure 9 feet long by 6 feet wide. If it takes her 3 minutes to sew on 1 inch of border,
The speed of light is about 3.00 × 105 km/s. It takes approximately 1.28 seconds for light reflected from the moon to reach Earth. What is the average distance
explain why the percentage of resistant bacteria increased over time.
which activity would most likely increase the mutation rate in a culture of bacteria being grown in a laboratory experiment? 1) adding more distilled water to
The name of a water solution of hydrogen fluoride, HF(g), is (A) fluoric acid (B) fluorous acid (C) perfluoric acid (D) hydrofluoric acid (E) hypofluorous
Bicarbonate ion is an example of a a. an acid b. a base c. an acidic salt d. a basic salt e. an amphoteric substance
The name of a water solution of hydrogen fluoride, HF(g), is (A) fluoric acid (B) fluorous acid (C) perfluoric acid (D) hydrofluoric acid (E) hypofluorous
