pabitragurung21 pabitragurung21

04-12-2020
Mathematics

contestada

In a two-digit number, the product of the digits is 18 and the sum is 9. Find the number.

Respuesta :

04-12-2020

Let the digits be x and y

Given that- xy= 18 and x+y=9

SO y= 18/x

And x+(18/x)=9

x^2 -9x+18=0

(x-6)(x-3)=0

So x=6,3

Answer Link

Otras preguntas

Your last visit is to the famous tourist attraction, the one and only Empire State Building! Your Boss wants you to double check your coworker’s measurements to

a. The ratio between the lengths of two pieces of lumber is 2:3. The longer piece is 21 ft long. How long is the shorter piece? Help me please

what is map?pls help me

A man is pushing a box of mass m along the ground with a force F. The coefficient of kinetic friction between the box and the ground is μk. The box is accelera

How can the standard form of a linear function be used to model real-world scenarios?

Write a Play Write a short play about the adventures of characters x, y, m, b, as they travel around the coordinate plane. Have your characters meet many friend

What is 24.5 divided by 2? Please show your work.

6. Describe the outcome of the case Clark v. Arizona and why it was important.plz can anyone answer this question in ur own word plz plz

Which of these statements about the lives of African slaves in America is true? A. Killing your own slaves was not a crime. O B. The law required that slaves be

Which of the following is a polynomial?

Q&A Education