Seudónimo Seudónimo

18-03-2016
Mathematics

contestada

evaluate the following y^2-5y+2

Respuesta :

20-03-2016

If y = 3, then you substitute 3 into wherever it says y.

So the original:
y² - 5y + 2

becomes:
3² - 5×3 + 2.

which is:
9 - 15 + 2.

9 - 15 = -6
-6 + 2 = -4.

-4 is the answer.

Answer Link

Otras preguntas

I need help solving this

Is this correct?????

How did changes that the ya made affect Japan’s economy after world war 2

What is the mass of an object that has a density of 1.3 g/cm^3 and a volume of 2cm^3

i need help figuring out what h, k, and r are?

find the value of x round to the nearest tenth the diagram is not to scale.

Which statement BEST describes why the united states government can be called a reperesentative democracy

The highest magnetic fields in the world are generated when large arrays, or "banks," of capacitors are discharged through the copper coils of an electromagnet.

How were japan's Actions before and during world war 2 similar to Germany's actions over the same period?

This is a process of one nucleus decaying to two or more smaller nuclei.