Seudónimo
Seudónimo
02-05-2016
Mathematics
contestada
Solve question in photo. Mathematics help.
Respuesta :
meerkat18
meerkat18
05-05-2016
Given:
2x + 3y = 1
y = x - 8
2x + 3y = 1
2x + 3(x-8) = 1
2x + 3x - 24 = 1
5x = 1 + 24
5x = 25
5x/5 = 25/5
x = 5
y = x - 8
y = 5 - 8
y = -3
x = 5 ; y = -3
2x + 3y = 1
2(5) + 3(-3) = 1
10 - 9 = 1
1 = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 42+ )
Otras preguntas
The sizes of matrices A and B are given. Find the sizes of AB and BA whenever they are defined. (If the matrix product is undefined, enter UNDEFINED.) A is of s
Graph: f(x) = -√x Step 1: Evaluate the function to find three points. f(0) = -1 0 1 -2 2 1 -2 9 y 2 6 x x y
Yochanan walked from home to the bus stop at an average speed of 5 55 km/h km/hstart text, k, m, slash, h, end text. He immediately got on his school bus and
Amy thinks of three numbers, which she calls a, b and c. The ratio a: cis 4: 3. The ratio b: cis 7:5. The median of a, b and c is 80. Work out the values of a,
( brainliest ) SERIOUS ANSWERS ONLY! 1. I earn 1.25 Points every 1-8 Minutes. Im trying to reach my goal of 5000 points. How many minutes / Hours / Days would
Solve the inequality
Joe and Ann buy some fruit from the same shop. Joe buys 4 apples and 3 bananas for £2.50 Ann buys 3 apples and 4 bananas for £2.40 Work out the cost of (i) one
What work must be done to place a satelite of mass 30kg in orbit at a height of 50km above the earth with a velocity of 800m sec?
Please, i need help for part b, my hw is due tomorrow, please help, any help will be appreciated, The graph shows the speed of a vehicle during the final 50 s
Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15
