happystalkers
happystalkers happystalkers
  • 03-05-2021
  • Mathematics
contestada

Solve for x and y by substitution method

a) 0.4x-1.5=6.5
0.3x+0.2=0.9

b) x+y=8
2x-3y=1​

Solve for x and y by substitution method a 04x156503x0209b xy82x3y1 class=

Respuesta :

lafayetteborders25
lafayetteborders25 lafayetteborders25
  • 03-05-2021

Answer:

A

Step-by-step explanation:

Because if you simplify you get that

Answer Link
shihetekelaEmilia
shihetekelaEmilia shihetekelaEmilia
  • 03-05-2021

Answer:

15 and 4+4

Step-by-step explanation:

i think its correct

Answer Link

Otras preguntas

collisions between Earth's plates push rock down toward the heat of Earth
Analyze the factors that led to increasing sectional differences in the united states during the period 1820-1860.
As a skydiver gains speed in falling through the air, air resistance _______.
Find the minimum value o f c=2x+y Subject to the following constraints X≥0 Y≥2 2x+y≤10 X-3y≥-3 Please help
Shipping its troops and supplies across the long transportation route of the __ was one of Great Britain’s disadvantages during the Revolutionary war A. Orego
Solve(X+2)/4=6 please
The nth term of a quadratic sequence is: n²+2n-4 Work out the first three terms of this sequence.
How do I do this? Express the following as trigonometric ratios of either 30, 45 or 60 degrees and hence find their exact values A) sin120 B) cos225 C) tan390
Which of these is a primary food crop? A) Hay B) Cocoa C) Cotton D) Rice
Find the perimeter of a polygon with sides 11 ft, 7 ft, 18 ft, 22 ft, 14 ft, and 23.5 ft.