eastbeast91 eastbeast91

11-07-2021
Mathematics

contestada

An integer is 18 more than 4 times another. If the product of the two integers is -18, then find the integers.

Respuesta :

19-07-2021

Answer:

Step-by-step explanation:

x = 4y+18

xy = -18

x = -18/y

-18/y = 4y+18

4y² + 18y + 18 = 0

2y² + 9y + 9 = 0

y = [-9 ±√(9²-4(2)(9))]/[2(2)] = [-9 ± 3]/4 = -1.5, -3

-1.5 is an extraneous solution, so y = -3

x = 6

Answer Link

Otras preguntas

Question 1 of 10 2 Points Luis necesita ir al porque quiere comprar un boleto. O A. conductor O B. anden O c. pasajero O D. mostrador

The mass of a proton at rest is 1.67 10 2kg . Calculate the value of e/m for a proton.

Population growth in the region has resulted in all of the following except increased salinization Increased desertification increased food security increased g

What is a goblet cell? What is secreted by a goblet cell?

Which question can be answered using the scientific process?APEX A.) Should people be made to reuse all bags? B.) What is the effect of plastic bags on birds? C

The Smith family has 80 movies in their collection. The types of movies are shown in the table below. Smith Family Movies Type of Movie Percentage Drama 10

Para entrar en el cine uno necesita un boleto, o una _________.

For which two reasons did the Iroquois Confederacy eventually side with the British?

solve by factoring. p⁴=-25p²

Equal to the mass number minus the atomic number