israelshamariah israelshamariah
  • 03-02-2020
  • Mathematics
contestada

1. Evaluate the expression for 0.8 and z=3.5
4y-z=

2. Evaluate the following expression for x=-3, y=5 and z=-1 3x-5y-9z

Respuesta :

meredith48034
meredith48034 meredith48034
  • 03-02-2020

Answer:

1. 4(.8)-3.5= 3.2-3.5= -0.3

2. 3(3)--5(5)-9(-1)= 9 - 25 + 9 = 18 - 25= -7

Answer Link

Otras preguntas

round 9,631.4725 to the nearest thousandth​
Sarah recently learned about performing a cost–benefit analysis while studying environmental policies. Help her choose the right terms to describe this type of
When did cyanobacteria start producing pure oxygen? A. After the Hadean eon B. After the Proterozoic eon C. During the Hadean eon D. During the Phanero
Simplify the expression. 4v6-2v96
What is the central point of Wiesel's Nobel Prize acceptance speech? A. Countries should be allowed to Deal with problems in their own way B. The Holocaust was
suppose that 11 inches of wire cost 66 cents at the same rate how much (in cents) will 28 inches of wire cost ​
what is the best thing to do to get money as a kid
The Astrodome, located in Houston, Texas, is a circular building. Find the area of the floor of the Astrodome if its diameter is 214 yards
What is the equilibrium constant expression for the following reaction? COCl2(g) = CO(g) + Cl2(g) Keq=(COCl2)/(CO)+(Cl2) Keq= (CO)(Cl2)/(COCl2) Keq=(COCl2)/(CO)
A restaurant introduced a new menu that has 20% more dishes then the previous menu the previous menu had D dishes witch of the following expressions represent h