lilyedgar06 lilyedgar06

03-08-2021
Mathematics

contestada

Find a and b such that ab = 15
and a+b = -8.

Respuesta :

doomdabomb doomdabomb

03-08-2021

Answer:

a = -3 or -5 and b = -5 or -3

Step-by-step explanation:

a + b = -8

ab = 15

b = 15/a

b = 15/(-3)

b = -5

a(-5) = 15

(-5)a = 15

(-5)/5 = 15/-5

a = -3

a + b = -8

-3 - 5 = -8

-8 = -8

Answer Link

Otras preguntas

A new video game is expected to sell 120 copies the first hour at a local game store. After that, the sales will follow the function s(x) = 15(x − 1) where x is

Which of the five competitive forces is influencing a passenger train line, when a new automobile manufacturer causes a reduction in the number of people that r

Factor this expression completely and then place the factors in the proper location on the grid. x2 - 9

Gross Earnings are the same as:

Animal digestive systems do not function appropriately without the aid of other organisms. in which kingdom do these organisms belong? a. fungi b. plantae c.

health workers working with diphtheria commonly receive a serum with antibodies against the pathogen. what type of immunity would this be 6 6 3978427 2017-06-19

Let us say there are five flavors of icecream: banana, chocolate, lemon, strawberry and vanilla. we can have three scoops. how many variations will there be?

what is the dreadful oracle that was delivered to King Acrisius?

Calculate the standard deviation of the data set below. (7, 9, 10, 11, 13)

The velocity of an accelerated body may be zero