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

photosynthesis also requires energy and the green substance called

Which group of algae is responsible for formation of kelp beds along the North American coasts? Select one of the options below as your answer: a. Brown algae

The proper way to increase progression in weight training is to gradually increase the amount and type of stimulus applied to the muscle. Please select the best

70%of what number is 105

whats the word islam mean in arabic

Mexico resented the annexation of Texas. a. True b. False

Within a single use of the scientific method, which of the following steps can only be performed after data is collected? A. Controls and variables are chosen.

Which one of the following phrases contains vivid words that create imagery? A. Cotton-like clouds B. Sang a solo C. Traveled far D. Twenty soldiers

blank hundreds =80 tens

What is the term used to describe the energy needed to get a reaction started? a. adhesion energy c. cohesion energy b. activation energy d. chemical energy