dianewade15
dianewade15
03-02-2015
Mathematics
contestada
How do I solve x+4y=22
-x+5y=23
Respuesta :
eu99li
eu99li
03-02-2015
x+4y=22
-x+5y=23
(+)
9y=45
y=5
x+4*5=22
x=22-20
x=2
Answer Link
mac32b
mac32b
03-02-2015
{ x + 4y = 22 ( + x - x = 0 )
{ - x + 5y = 23
4y + 5y = 22 + 23
9y = 45
y =
45
9
y = 5
x + 4y = 22
x + 4 . 5 = 22
x + 20 = 22
x = 22 - 20
x = 2
S = { 2 , 5 }
Answer Link
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
A car travels north at 30.0 m/s for 10.0 min. It then travels south at 40.0 m/s for 20.0 min. What are the total distance that car travels and its displacement?
True or false? Bach wrote solo pieces for violin, cello, and keyboard instruments.
This is the fourth time I put this question and no one helped me can someone please help me
A density curve is shown below. If a point within the density curve is chosen at random, what is the probability that the value lies between 2.25 and 4.75?
DESCRIBE SOME WAYS THE NATIVES SURVIVED THE MISSIONS.
An object has a density of 20.00 g/mL. If the object has a volume of 50.00 ml, what is its mass?
2 of 6 As an estimation we are told 5 miles is 8 km. Convert 32.7 km to miles. miles
Mrs. Perry is taking a group of students to the Clark Planetarium where tickets cost $7 each. The bus will cost $50 and she has a budget of $200. How many peopl
Can someone help me with this question plz?
Which word most accurately describes public attitudes in the 1800s toward people with physical and mental disabilities?
