emmass15 emmass15

02-03-2021
Mathematics

contestada

1. What is the solution of the system
{3x - y = 14
{4x + y = 21 ?
A (−5, 3)
B (4, −2)
C (5, 1)

Respuesta :

surjithayer10otahza surjithayer10otahza

02-03-2021

Answer:

C

Step-by-step explanation:

3x-y=14

4x+y=21

add

7x=35

x=35/7=5

4×5+y=21

y=21-20=1

so (5,1 ) is the solution.

Answer Link

Otras preguntas

Is this correct? If not then please help me

How did Power, wealth, and Morality lead to the development of the 13 colonies? Plzzzz help me!! I will give whoever helps me 74 points!

Which two terms best describe what type of cell melanocytes are? A. specialized B. differentiated C. totipotent D. pluripotent E. undifferentiated

help right now plsssssssssss

Panuto: Isulat ang Tama kung ang pangungusap ay tumutukoy sa tamang paggawa ng padron at Mali naman kung hindi. Isulat ang sagot sa iyong kwaderno 1. Kunin ang

"he would burn as red as a flame if anybody called him fresh and sweet " is it hyperbole and a simile or just a simile???????

The side lengths of the smaller cube is 3 1/2 inches by 3 1/2 inches by 3 1/2 inches Captionless Image

trench railway technology was first developed by the following nation

One of the legs of a right triangle measures 19cm and the other leg measures 6 cm. Find the measure of the hypotenuse. If necessary, round to the nearest tenth.

Evaluate. 0.23÷0.4⋅60+3.6÷1.2 Enter your answer as a decimal in the box.