Seudónimo Seudónimo

14-10-2017
Mathematics

contestada

Evaluate the expression 4a^2 - 2b ÷ 4 for a = 2 and b = 4.

A. 2

B. 8

C. 14

D. 16

Respuesta :

ejelonubenedict ejelonubenedict

14-10-2017

(4a² -2b)/4
(4(2)² - 2×4)/4
(16-8)/4
8/4
= 2

please don't forget to give my answer brainliest if they are correct

Answer Link

Otras preguntas

how many feet are in 30 yards

Describe the components of the peripheral nervous system and central nervous system and explain how they work together in your body.

Ethyl alcohol and carbon dioxide are the end products of _________.

Out of 5200 students of a school only 80% passed. Find how many students failed. I gave it a try and it took me a while. I thought should be 4160 students fail

How are the operating room in the Williams story and the atom-splitting lab in the Fermi story alike? A. They are both places where medical breakthroughs occu

What role did the radio play in depression era america

there are about 1.5 grams of fat in 1 tablespoon of hummus.how many grams of fat are in 2 1/2 cups of hummus. (16 tablesspoons=1 cup)

what is 1.075 in two other forms

Which of these is a biotic factor of an ecosystem? a. the temperature of water in a stream b. the amount of water vapor present in a rain forest c. the bacteri

how does a bird develop without a placenta and is connected to its mothers blood supply?