ortegamario3002 ortegamario3002

06-03-2021
Mathematics

contestada

If x + y = 13 and xy = 40, then x and y = *

Respuesta :

jesusm1 jesusm1

06-03-2021

Answer:

rearrange: y=13-x
xy=40 --> x(13-x)=40
13x-x^2=40
x=8 and y= 5

Answer Link

Otras preguntas

Energy from various sources is considered to have been derived from sun.Do you agree?Do justify.

In rhombus ABCD, AB = 13 and AC = 25. Find the area of the rhombus to the nearest tenth.

steps to this log equation

What is the factoring quadratic expression for 27x^2-12=0

Which of the following statements about ice melting is true?A) Energy flows from the ice to its surroundings.B) Water molecules move from their fixed positions.

find the reciprocal of 11/3

The ratio of SAMs age to hank is 5 to 3. If the sum of their age is 24. How old is is hank?

Which type of pronoun is bolded in the following sentence?Everyone loved the performance.

“Robin Hood and the Scotchman” Now bold Robin Hood to the north would go, With valour and mickle might; With sword by his side, which oft had been try’d, To fig

Which of the following is not a helping verb? A,must B,can C,would D,be