Seudónimo Seudónimo

20-10-2014
Mathematics

contestada

What is the value of x in the equation 4x + 8y = 40, when y = 0.8?

Respuesta :

mariamikayla mariamikayla

20-10-2014

[tex]4x+8y=40 \ |:4 \\\\ x+2y=10 \\\\ x+2*0.8=10 \\\\ x+1.6=10 \\\\ x=10-1.6 \\\\ \boxed{x= 8.4}[/tex]

Answer Link

Otras preguntas

12. A triangle has side lengths of 13 inches and 35 inches. What are the possible sidelengths for the third side of the triangle? Is a side length of 4 feet pos

If x-y=√3, x²-y²=√5 & a²-a√3+1=0, then find out the value of x+y

Setting a relatively high price to support a brand's prestige positioning is an example of which type of pricing objective?

Which action is appropriate for an organization to consider when integrating a new application or platform that deals with sensitive information? • Build all ap

Write the equation of the line that goes through the points (4, 7) and (0, -5)

What effects are produced by an enzyme on the general reaction?.

Question The time in minutes) for each of Ahmed's phone calls this week are: 9, 15, 5, 7, 9, 12, 11, 4. Which of the following statements is true? The mode is g

What is the excess of something in our body that is still good?

Maya’s credit card has an APR of 11. 84% and a billing cycle of 30 days. The table below shows her transactions with that credit card in the month of September.

Which of the following relationships is an example of commensalism?A. Bacteria live inside a human's stomach, making the person illB. Insects get food from flow