anna8352
anna8352
06-02-2019
Mathematics
contestada
Help me !! for algebra :*(
Respuesta :
minerj
minerj
08-02-2019
Let 1 = a, 2 =b and 3 = c
a = 1/2b
c = a + b
a+b+c = 180
By substitution
2c = 180
c = 90
a+b = 90 by substitution of c into 3rd equation
By substitution
3/2b = 90
b = 60
a = 30
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
The data in the graph are the result of a paramecium being placed in a hypertonic salt solution. mc026-1.jpg Based on the data in the graph, which would most
Blues eventually spread into what kind of music?
Which one of the following was a key issue in the 2004 us presidential election A how to deal with communism B the handling of natural disasters C health insur
Now, ____________ new daughter dna molecules are created, each consisting of one old ____________ and one new ____________ , rendering dna replication a _______
Read the sentence. Bob and Carol both visited Plymouth, but only she took photographs. What is the antecedent of the underlined pronoun?
It engages the reader with a character from a story narrating the action. First person? Second person or third person?
Which of the following ordered pairs is a solution of the given system of linear equations? ( Please give a good explanation for brainliest and full ratings. )
the brain begins to form and the heart begins to beat during:
A gardener crosses tall true–breeding pea plants with short true–breeding ones. Tall plants are dominant to short ones. He collects the seeds to grow F1 plants
How can a reader find the main idea of a passage? Please select all answers that apply. analyze the connotations of the words summarize the passage identify the
