Caden12 Caden12

10-05-2016
Mathematics

contestada

3x-2y=12 and 2x+4y=16

Respuesta :

apologiabiology apologiabiology

10-05-2016

eliminate
multiply first equation by 2
6x-4y=24
add to other equaiton

6x-4y=24
2x+4y=16 +
8x+0y=40

8x=40
divide 8
x=5
sub
2x+4y=16
2(5)+4y=16
10+4y=16
4y=6
divide 4
y=6/4=3/2

(5,3/2)

Answer Link

Otras preguntas

According to the norms established for a reading comprehension test, eighth-graders should average 83.2 with a standard deviation of 8.6. If 45 randomly selecte

Linear bar grilles consist of parallel bars of extruded metal. The bar cross section can be designed to deflect air at a specified angle. Deflection influences:

Assume that the following array has been defined, though you do not necessarily know its length. int[] numbers = new int[??]; What expression should be used:/

Omega Custom Cabinets produces and sells custom bathroom vanities. Assume that labor is the only input that varies for the firm. The firm has determined that if

A 4500-kg spaceship is in a circular orbit 190 km above the surface of Earth. It needs to be moved into a higher circular orbit of 380 km to link up with the sp

9x-12y=12 in slope intercept form

DNA polymerase fails to recognize that an incorrect nucleotide has been incorporated, resulting in a mismatch. Which repair pathway will correct this mistake? A

provides data on sleep deprivation rates of Californians and Oregonians. The proportion of California residents who reported insufficient rest or sleep during e

What is 4(x-3)-3x+1=-13

A boy sits on the edge of a stationary merry-go-round. His dog runs along the ground and jumps into his arms in such a way that the merry-go-round starts to spi