gsoreilly
gsoreilly
28-09-2014
Mathematics
contestada
2x - 0.2 (4 - x) = 2.8. Solve for x.
Respuesta :
mariamikayla
mariamikayla
28-09-2014
[tex]0.2=\frac{2}{10} \\\\ 2.8=2\frac{8}{10}=\frac{28}{10} \\\\ 2x^{(10}-\frac{2}{10}(4-x)=\frac{28}{10} \\\\ 20x-2(4-x)=28 \\\\ 20x-8+x=28 \\\\ 21x=28+8 \\\\ 21x=36 \\\\ \boxed{x=\frac{36}{21}=\frac{12}{7}}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 44+ )
Otras preguntas
Rachel's Designs has 1,100 shares of 7%, $50 par value cumulative preferred stock issued at the beginning of 2019. All remaining shares are common stock. Due to
You read that a study is planned for which a test of hypothesis will be done at significance level α = 0.10. Statisticians have calculated that for a certain ef
What was the importance of Mendeleev's periodic table to chemists? It determined the mass of every known element. It helped define an element. It provided a pat
Which statement about roots is true?
what did not encourage western settlement
The nucleus of a cell contains genetic material and many proteins. The interaction between these proteins and genetic material forms various structures. Match
22.1 Which of the following is not one of the conceptual design steps? A. Preparing the conceptual systems design report. B. Preparing design specifications. C.
Whose idea of Providence does Huck prefer?
What are the intercepts of the graphed function? O O x-intercept = (-1,0) y-intercept = (-3,0) x-intercept = (0, -1) y-intercept = (0, -3) x-intercept = (0, -1)
Len wants to purchase a car and visits a car showroom to have a look at all the new models. In the showroom, Len assesses the cars' key features, such as the
