Steph23465 Steph23465

04-02-2016
Mathematics

contestada

Y=-2x-6
Y=x+9
Elimination method

Respuesta :

apologiabiology apologiabiology

04-02-2016

so we have
y=-2x-6
y=x+9
elimination
multiply second by e
2y=2x+18
just add them

y=-2x-6
2y=2x+18 +
3y=0x+12
3y=12
divide by 3
y=4
subsitue
4=x+9
subtract 9
-5=x

x=-5
y=4

Answer Link

Otras preguntas

Because there are 64 possible codons and only 20 amino acids: a. many mutations have no effect on phenotype. b. every mutation has some effect on phenotype. c

If the light strikes the plastic (from the water) at an angle θw, at what angle θa does it emerge from the plastic (into the air)? Express your answer in terms

Divisions of the cerebral hemispheres that are named after the overlying skull bones are a. fissures b. sinuses c. lobes d. sulci e. gyri

Which of the following is not required for transpiration of water through xylem? a) Root pressure. b) ATP. c) Evaporative pressure. d) Capillary action.

What type of triangle has side lengths 12, 13, and 2√3?

The genotype "Bb" could best be described as: a. homozygous dominant b. heterozygous c. homozygous recessive d. co-dominant

Help Meeeeeee please

Write forty-six thousandth as a decimal

Which of the following glands are holocrineglands? a) Pancreas b) Sweat glands c) Salivary glands d) Sebaceous glands

In the rhombus, m∠3= 80. Find m∠2?