Yulianas5 Yulianas5

17-08-2018
Mathematics

contestada

3x+2y=18 , 8x+6y=50 if x represents the cost of a birthday card and y represents the cost of a thank you note how much does each birthday card cost

Respuesta :

me72003 me72003

30-08-2018

(-9x-6y=-54) +(8x+6y=50)= -x=-4; x=4
3(4)+2y=18
12+2y=18
2y=6 ; y=3
Each birthday card costs 4

Answer Link

Otras preguntas

Help me Help me Help me Help me

the peloponnesian war between athens and sparta stretched on for nearly three decades. the ______ ,led by athens _____ the war. after the war the city-states ex

please help me solve this problem 3x+9 ?

If [tex]a = \frac{1}{2} h(b _{1} + b _{2}) [/tex]Solve for[tex]h[/tex]

Ashland Theater sold 5,850 tickets to Shakespearean plays last season. This season, the theater sold 56% fewer tickets to Shakespearean plays. How many such tic

Help me plz Help me plz Help me plz Help me plz

Help please its geometry

Which equation is the inverse of y=x2 + 16?

French! --------------- Decide if the following sentence is grammatically CORRECT or INCORRECT Ils y ont des animaux dans le zoo. Correct Incorrect Choose the

What groups faced the most discrimination during the Great Depression? Why?