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

Titik ( 2,3 ) ditranslasi oleh (3 4) Koordinat bayangannya adalah

Which type of graph do I use for this data table?

Rewrite the following expressions as addition: -25 + (-32) - 14 -14 - (-45) - 13

Find the probability for one roll of a number cube. P(number greater than or equal to 7)

find the value of (5x)⁰

6. My grandfather is the sun and the moon to me.

: How did trade play a role in the development of early African states? Answer in the space provided.

HELP WILL MARK BRAINLIEST !!! given ABCD is a parallelogram Prove AB=CD and AD=CD

Help me Guess just help please

There are about 4 million red blood cells (RBCs) in a microliter of human blood. An adult human has around 5 liters of blood in their body. Based on these numbe