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

Prepare an extensive Comparison Table of Energy Resources used in India. (Include conventional, non conventional, potential and stock resources)

Insert the correct symbol 5 _ 4

Why did Osama Bin Laden and Al-Qaeda plan and execute the September 11th, 2001 attacks on the U.S.

the teacher rubbed his eyes __after Teaching for hours.(tired/tiredly)

State the number of possible positive and negative real zeros of this function f(x)=4x^3-12x^2-5x+1

The ____________________ is held to allow voters to select from among the candidates from each political party.A. Primary elections and caucusesB. Political par

Multiply: -5 x (-3) x 7a. 90b. -105c. 105d. -90

Ancient Egyptians believed that when a person died, they went to the Field of ________, a paradise that closely resembles Earth.

Trucker hiked 15 miles in 3 hours. How many miles does Tucker bike in 1 hour?

The amount C in grams of carbon-14 present in a certain substance after t years is given by C = 20e^-0.0001216t estimate the half-life of carbon-14