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

Guess the mystery number.The number is greater then 10 and less then 18. The number is the sum of two identical odd numbers. What is the number? Show how you fo
graph y=3sinx and y=sin 3x on the same axes. label the graph of each function.
the graph below shows the distribution of students grades on their last math test. Based on the Empirical rule, what percent of students made.. *btwn 80 n 85 o
Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?
Guess the mystery number.The number is greater then 10 and less then 18. The number is the sum of two identical odd numbers. What is the number? Show how you fo
Add these fractions (Lowest Terms) a) 1/6 + 1/6 b) 1/4 + 3/8 c) 2/3 + 5/6 d) 9/21 + 4/7 e) 1 3/5 + 1/10 f) 1 1/4 + 11/12 g) 1 2/3 + 2/3 h) 1 5/6 + 3 2/5
where did japan first expand its empire after 1930
find the point on the y-axis that is equidistant from (6,1) (-2,-3)
All of the following are types of lyric poetry except; A. tankas. B. ballads. C. sonnets. D. madrigals.
How do I solve for x? X+6x=56