tinasidell1972 tinasidell1972

04-02-2019
Mathematics

contestada

evaluate the expression for the given value of the variable 7a - 4a for a =8

Respuesta :

Kteeparker Kteeparker

04-02-2019

7(8)=56
4(8)=32
56-32=24

Answer Link

owensjayo owensjayo

04-02-2019

Answer:24

Step-by-step explanation: you simply substitute 8 for a.

7(8)=56 - 4(8)=32

56-32=24

Answer Link

Otras preguntas

Energy is released to be used by a cell when a phosphate group is removed from ADP to form ATP added to ADP to form ATP removed from ATP to form ADP added to AT

The proteins in the cell membrane allow substances to come or go, based on their concentrations. This is an important part of _________________, which maintains

Which would a historian use most often to research people or events from the past? a. old books and papers b. old buildings and ruins c. old tools and pottery

In which taxonomic phylum is ginkgo classified? a. Gnetophyta b. Cycadophyta c. Anthocerophyta d. Ginkgophyta

A main character in a story that is a hero. A. Antagonist B. Protagonist C. Scientist D. Artist

OF what kind of organic compound are oils, waxes, and fats an example?

C6H12O6 is a type of protein carbohydrate amino acid polymer

Hammurabi's Code brought a sense of fairness to his people and established order in society. a. True b. False

Who founded the National Grange?

five ninths times the difference of f and 32