ikennedy0129 ikennedy0129

14-02-2022
Mathematics

contestada

16. Jeremiah found the product of 31 and 29 as 899 by finding 30' and subtracting 1. Exptate how Jeremiah
could justify this approach.

Respuesta :

semsee45 semsee45

14-02-2022

Answer:

31 x 29 = (30 + 1)(30 - 1) = 30² - 1

Step-by-step explanation:

We can write 31 as (30 + 1)

We can write 29 as (30 - 1)

Therefore,

31 x 29 = (30 + 1)(30 - 1) = 30² - 1

Answer Link

Otras preguntas

what effect will change in a wind direction have upon maintaining a 3 degree glideslope at a constant true airspeed

Define the following propositions: s: a person is a senior y: a person is at least 17 years of age p: a person is allowed to park in the school parking lot Expr

02.09 Wrap It Up Assignment Using the ideas you previously wrote in your Informational Research Chart, your introduction, and your body paragraphs, you will wri

Does anyone have a hook for this essay response if your life was suddenly a hit reality television show what would it be called and what would people think abo

when using semicolons, _________ can be used to connect independent clauses. comma splices a dependent clause conjunctive adverbs coordinating conjunct

why do management accountants need to understand their companies strategies? how are the 3 strategic resources: swot analysis, value chain, and balanced scoreca

You are a firewall appliance administrator for your company. Previously restricted outbound RDP packets are now successfully reaching external hosts, and you di

In order to increase the circumference of a circle from 12 pie cm to 18 pie cm, by how much must the diameter increase

What notion is President Lincoln trying to reinvent in the following passage: One hundred years of delay have passed since president Lincoln freed the slavees ,

Horse trading is another term for bargaining that goes in politics O voting for a candidate Oorderly transition of power O wealth influencing politics