KnowledgeLauncher KnowledgeLauncher

04-05-2017
Mathematics

contestada

Evaluate the expression 3x² - 2x + 8 when x = 5

Respuesta :

elekhose15234 elekhose15234

04-05-2017

3(5)^5-2(5)+8
3(25)-10+8
75-10+8
65+8
73

Answer Link

Аноним Аноним

04-05-2017

3(5)^2-2(5)+8
=75-10+8
=65+8
=73. Hope it help!

Answer Link

Otras preguntas

Which of the following best explains why many of the earliest civilizations developed in river valleys following the Neolithic Revolution? A)River valleys provi

What molecule carries the genetic code? Where is it found in the cell? When does DNA copy itself?

What is the perimeter of the triangle in the diagram? a + b + a2 + b2 2(a + b)

I don't know how to solve these, I need help!!! 1.). 16s = 64 2.). -1/6 v = 10

Which words make up the adverbial phrase in the sentence? A speeding brown van passed us and crashed into the guardrail.

What determines all the star's properties such as its temperature, size, brightness and life span? a. temperture b. Mass c. age d. brigthness

Which muscle fibers are suited for sprinting

If you are someone who performs services at other people’s homes, you cannot have a small business. true false

Aisha wonders whether wind or water causes the most erosion. She set up an experiment in which she used a watering can to pour water down a pile of dirt. She th

What are 3 subatomic particles of an atom?