brontesoto brontesoto

12-10-2018
Mathematics

contestada

If a+b=−2a + b = -2a+b=−2a+b= -2 and x+y =−2 what is 4x+5a+4y+5b?

Respuesta :

18-10-2018

[tex]a + b = -2\ and\ x + y = -2\\\\4x + 5a + 4y + 5b = (4x + 4y) + (5a + 5b) = 4(\underbrace{x + y}_{=-2}) + 5(\underbrace{a + b}_{=-2})\\\\=4(-2)+5(-2)=-8+(-10)=-18[/tex]

Answer Link

Otras preguntas

What region has The lowest concentration of Muslims?

Where can mermaids be found in Ghana and how can you be a mermaid if you want to?

write the principal of the conservative of energy

Describe how new scientific discoveries led to the revisions of Mendeléev's periodic table?

3. Your next assignment requires you to survey some of the food preferences in your family. Make a table with three columns. In the left column, record individu

The fact the Equal Rights Amendment for women never passed suggests that O a Ob Oc Od discrimination is a fundamental right of a sovereign nation there may be l

Find the perimeter or circumference and area of each figure if each unit on the graph measures 1 centimeter. Round answers to the nearest tenth, if necessary.

Ana did an experiment to find out whether spider plants grow faster under fluorescent lighting or incandescent lighting. Under fluorescent lighting, Ana's plant

A square sandbox has an area of 89ft^2. Estimate the length of one of the sides of the sandbox

Who used free association in his therapeutic practice to help uncover the unconscious of his clients?