omaralhallak8 omaralhallak8

01-04-2021
Mathematics

contestada

Evaluate the following expression when x = 3 and y = 4:
2x + y2 - 1

Respuesta :

01-04-2021

Answer:

21

Step-by-step explanation:

x = 3

y = 4

2x + y² - 1

2(3) + 4² - 1

2(3) + 16 - 1

6 + 16 - 1

22 - 1

21

Answer Link

Otras preguntas

Who lived in America before the Europeans arrived?

Which change results in the formation of different substances? (1) burning of propane (2) melting of NaCl (s) (3) deposition of CO2(g) (4) solidification of wat

Who is the Chief Justice of the United States now?

is the planet Uranus surface rocky or flat?

Given the balanced equation representing reaction: N2 + energy ==> N + N Which statement describes this reaction? ( I) Bonds are broken, and the reaction is

Name one state that borders Canada

A staple is made from 40mm of wire. How many staples can be made from 10meters of wire?

a horse moves a sleigh 1.00 kilometers by applying a horizontal 2000 Newton force on its harness for 45 minutes. what is the power of the horse?

Which reaction is single replacement? (1) 2H2O2 --> 2H2O + O2 (2) 2H2 + O2 --> 2H2O (3) H2SO4 + Mg --> H2 + MgSO4 (4) HCl + KOH --> KCl + H2O

Given the balanced equation representing a reaction: O2 --> O + O What occurs during this reaction? (1) Energy is absorbed as bonds are brok