aarnot02 aarnot02

23-01-2020
Mathematics

contestada

Solve the system of equations by the addition method.
x- y=-9
x+y=-5

Respuesta :

Yang100 Yang100

24-01-2020

Answer:

x=-7, y=2. (-7, 2).

Step-by-step explanation:

x-y=-9

x+y=-5

-----------

2x=-14

x=-14/2

x=-7

-7-y=-9

y=-7-(-9)

y=-7+9

y=2

Answer Link

Otras preguntas

Predict the nature of the indicated covalent bond.

1. What is Protection monitoring? Describe why protection monitoring is done with Internally Displaced Persons (IDP) and IDP returnees?. (15 Points) 2. People e

5 The recursive formula for a geometric sequence is given below. What is the third term in the sequence? f(1) = 2 f(n) = 3f(n − 1) - OA. 18 OB. 54 OC. 162 OD. 1

Which example shows a form of harassment caused by gender roles? A. Tommy pushes Fred down because Fred took his backpack. B. Simon calls Trevor a "sissy" bec

How did the spectators in the arena view the two doors that hid the Lady and the Tiger? A. They viewed them as bringing possibilities and happiness. B. They vie

Consider the reaction below. 2Al2O3 --> 4Al + 3O2 How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed? (a) 17.7 mol (b) 19.9

04. Describe one way in which decay by microorganisms is useful.

Activity 1.2.2: Completing short dialogues In pairs, take turns and give advice to each other using the cues given below. Use the three ways of giving advice

Why do businesses grow

04. Describe one way in which decay by microorganisms is useful.