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

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

Complete the equation of the line through (-8,-2) and (-4,6). Use exact numbers. Y=

The answer is 16, I am just not sure how to arrive at that answer.

The height ,h, in feet of a baseball that is popped up into the air is a quadratic function of the time,t, in seconds, since it was hit. An equation that may mo

plzzz help me i can not find it nowhere

What are the domain and range of f(x) = 4* – 8? domain: {x | x is a real number}; range: {yl y> -8} domain: {x | x is a real number}; range: {yl y> 8} dom

The Great Compromise during the writing of the Constitution involved A) ending the slave trade after twenty years. B) whether or not only a majority vote was n

Red flowered snapdragons are crossed with white flowered, producing all pink snapdragons in the F1. What would you expect if you crossed Pink with White? Select

What is 10+10 Please help meeee

What are the solutions to the equation x2 − 1 = 399? A. X=20 and x=-20 B. X=200 and x=-200 C. X=400 and x=-400 D. X=398 squared and x=-398 squared

Rodney is trying out one of Santa's new games that consists of three pieces that blow apart if the wrong key is inserted into the door. The elf picks the wrong