Sophisshepherd Sophisshepherd

11-03-2020
Mathematics

contestada

Find two numbers, if … b Their sum is −7 and their difference is 14

Respuesta :

bhuvna789456 bhuvna789456

14-03-2020

The numbers are 3.5 and -10.5

Step-by-step explanation:

Step 1: Sum of two numbers = -7. Let one number be x. Then, the other number = -7 - x. Difference = 14

⇒ x - (-7 - x) = 14

⇒ x + 7 + x = 14

⇒ 2x = 7

∴ x = 7/2 = 3.5

-7 - x = -7 - 3.5 = -10.5

Answer Link

Otras preguntas

A single microvillus is a rod-like structure that is 1.0 μm in height. it has a hemispherical top approximately 0.1 μm in diameter. calculate the surface area o

A random variable x takes four possible values, 0, 2, a, and b, where a and b are unknown numbers. if pr[x = 0] = 0.2, pr[x=2] = 0.4, pr[x = a] = 0.3, e[x] = 2.

How did british and native american alliances contribute to the move toward war?

Fertility and mortality rates are higher in more developed nations. True or False?

Help me and I will crown you please!!!

Domestication and pastoralism were key aspects in the development of the A) Paleolithic Era. B) Hunter-Gatherer Age. C) Agricultural Revolution. D)

Andrew is paid $4 per hour for the first 30 hours he works each week. He makes $5 per hour for each hour he works over 30 hours per week. In other words, total

Before 6 months of age, infants around the world are able to vocalize _______________, but at about 6 months of age they begin vocalizing _____________.

For the nation's capital stock to grow, net investment must be positive. a. True b. False

Bones are linked together at skeletal joints by