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Fixya maths 4 indices

Indices n surds

Hai again your support helps me alot can you please differentiate for me between the following -6to the power 2 and -6 to the power 2,& 2 to the power -3 + 1/3 to the power-2
I need a clarity how to convert these exponents to fractions
Posted by Ncwana Noziphiwo on Apr 03, 2018

https://www.tes.com/teaching-resource/indices-negative-indices-6427219

-62 means a number multiplied by itself twice
So in this case it is -6 x -6 = 36 - since -x- = +
If this was -6-2 the negative power means it's a fractional indice so first make it look like a fraction
1/-62 now it looks like a fraction (inverse) and the power mow looks like a normal square
Coz its still a negative number -6 x -6 = 36
So the answer is now 1/36

So when it is a minus power, first turn it into a fraction, then calculate as normal
Note: every number has a sign, it is either + or minus.
By convention, we always assume it is a plus unless stated otherwise.
To make sure u remember this fact put a plus sign in front of every number if no sign is showing
You can start with buses the 27 bus is +27
Its like if u say u have a car, what u really mean is you have 1 car. But u drop the 1 coz everyone takes for granted u meant 1 car, 1 house, 1 friend etc
Every power we assume its + unless otherwise stated.
So when a minus is put in front of the power, its saying make it a fraction first!
Maths is a game and games have rules.
This rule is a minus in front of power (indice) change to fraction form first!
So if it is 2-3 - the power -3 is saying turn it into a fraction first so
1/23 = 1/ 2x2x2 = 1/8
If it had of been 23 notice how no signs shown because we take for granted they r all +
Let's show them
+2+3 since it's a plus 3 we don't need to change it to a fraction and since it is a plus 2
We have +2 x + 2 x +2 and a +x+ x+ = +
2x2x2 = 8
Its easier to just do 23 = multiply the 2 by itself 3 times
2x2x2 = 8
When doing fractions of any type I prefer showing them as being more obviously top/bottom
1
-
2

Format and for that free hand is easier as typing is hard...lol
Ie
Numerator Denominator
When using a number that's a fraction it is better tro enclose it in brackets
As every indice is of the form - numberpower
The number can just as easily be a fractional number like a 1/3
So (1/3)2 is a third multiplied by itself
1/3 x 1/3 = 1x1/3x3 = 1/9
If it was (1/3)-2 then first u must get rid of the minus power by turning it into a fraction
1/(1/3)2
1/1/3 x 1/3
1/1/9
And 1 divided by a ninth =
1 to be cont - tired..lol

Homework | Answered on Apr 06, 2018


5x + 7 = 45
5x = 45 -7
5x = 38
X = 38/5 = 7 3/5 or in decimal
X = 7.6
Or this could be a straight line equation of y = mx + c
Were y = 45 m = 5 = gradient of 5. Through the point of origin c = 7 at x =0
Question not specific enough
What topic are you doing?

Homework | Answered on Apr 06, 2018


it does not show choices - whats 2314?
so not certain if i'm right.
give choices and if i'm correct i will explain it.
is it written correctly as bracket has no p value so can be calculated without expanding out bracket.

Homework | Answered on Apr 06, 2018


Depends. If you are a big company with a lot of relative economic power, you may be able to get away with this. For example, if you are the size of Walmart, and your suppliers ask you to pay you in 90 days (more typical in Europe than North America) and you pay your suppliers in 257 days, you have done well for your cash flow. However, when you need some help from your supplier, it may not be there. Also, the supplier may just decide not to deal with you anymore. We had a very large customer that did this to the company I was working for and my recommendation was for them to pay us sooner or drop the client, as we were losing money on every transaction because of their delay in paying us.

Good luck,

Paul


Homework | Answered on Apr 05, 2018


I interpreted the question as:

(x-2)/(4-x) + 2/3 = (x-2)/12 or

(x-2) 2 (x-2)
------ + --- = -----
(4-x) 3 12

Now to find a common denominator.

I factor all the terms and see what is common, so it can be eliminated to leave the lowest common denominator.

(4 - x) - prime - cannot be factored

3 - prime - cannot be factored

12 - 4 x 3

What is common in the above? The 3, so we can eliminate one 3.

Common denominator - (4 -x) (3)(4)

So, we must multiply the numerator and denominator of the first term by 12 (3 x 4).

The next term's numerator and denominator must be multiplied by 4(4-x).

The term on the right of the equals sign must have the numerator and denominator multiplied by (4-x).

Good luck.

If you need more assistance, post again.

Paul

Homework | Answered on Apr 04, 2018


Check with your school or university.

FIXYA volunteers are not a school or university.

Homework | Answered on Apr 04, 2018


91.125 base on a 8 x8xx8 block.1block is equal to 512 cubic inches. 1 yard is 36 x3 x36 = 46656 cubic inches. 46656/512 = 91.125

Homework | Answered on Mar 31, 2018


Make and model of motorcycle will get you an answer.

Homework | Answered on Mar 31, 2018


Kick the ball in the direction of the goal posts.

Homework | Answered on Mar 31, 2018


The Colgate-Palmolive Company is an American worldwide consumer products company focused on the production, distribution and provision of household, health care and personal care products. Under its "Hill's Pet Nutrition" brand, it is also a manufacturer of veterinary products. The company's corporate offices are on Park Avenue in Midtown Manhattan, New York City.


Environmental record

Products of the Colgate-Palmolive company, specifically "Total" brand toothpaste contain triclosan. This ingredient has a questionable impact on waterways and marine life.
Colgate consumes approximately 0.2% of the combined palm oil output of Malaysia, Indonesia and Thailand,[20] the cultivation of which is known for environmental impacts on a global level including: deforestation, loss of natural habitats of critically endangered species, and increased greenhouse gas emissions.
Colgate-Palmolive, as a successor to The Mennen Company, is one of about 300 companies held potentially responsible for hazardous waste at the Chemsol federal Superfund site in Piscataway, New Jersey.[21] Their involvement in this site may have contributed to the contamination of an estimated 18,500 cubic yards (14,100 m3) of soil with volatile organic compounds (VOCs), PCBs, and lead off-site. A proposed $23 million agreement with the government and state of New Jersey would require Colgate-Palmolive and the other involved companies to pay for the cleanup of this hazardous waste that is contaminating the soil as well as the groundwater.[22] The company completed a LEED Silver certified manufacturing plant in Morristown, Tennessee, in March 2008 which was the first of its kind in the U.S. The new LEED silver certified plant in Tennessee produces the Colgate Total toothpaste.[23]
Colgate Palmolive received the 2012 Safe-in-Sound Excellence in Hearing Loss Prevention Award.[24]

Anti-competitive practices[edit]

Colgate Palmolive was fined by Autorit? de la concurrence in France in 2016 for price-fixing on personal hygiene products.[25]

Presence in Japan[edit]

In November 2016, Hill's-Colgate (Japan) Ltd. announced it will change its name to Colgate-Palmolive Japan Ltd. in 2017. In early 2018, C-P announced it is building an assembly plant in Japan. It is due to open in 2019, the 50,000 square feet facility will be inaugurated while 50,000 jobs or addition install 150 robots annually, producing Colgate toothpaste and toothbrush models. The company will entering the Japanese market in late 2018, replacing the retaining "Hill's-Colgate (Japan) Ltd.".
It will be the largest Colgate-Palmolive's manufacturing facility in volume, after China.
Daiichi Sekken Co., Ltd., a Japanese company, will manufacture some Palmolive products at its Izumi plant in late 2018.

SOURCE:
Colgate Palmolive

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Homework | Answered on Mar 30, 2018


Typically, eCommerce business models can be divided into six major types, such as:
  • Business-to-Business (B2B)
  • Business-to-Consumer (B2C)
  • Consumer-to-Consumer (C2C)
  • Consumer-to-Business (C2B)
  • Business-to-Administration (B2A)
  • Consumer-to-Administration (C2A)
SORCE: Types of eCommerce Business Models Pros and Cons KartRocket

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Homework | Answered on Mar 29, 2018


Since 1900, America and Americans have experienced tremendous changes in both the makeup of the population and in how people live their lives, according to the U.S. Census Bureau.
In 1900, most people living in the United States were male, under 23 years old, lived in the country and rented their homes. Almost half of all the people in the U.S. lived in households with five or more other people.
Today, most people in the U.S. are female, 35 years old or older, live in metropolitan areas and own their own home. Most people in the U.S. now either live alone or in households with no more than one or two other people.
These are just the top-level changes reported by the Census Bureau in their 2000 report titled Demographic Trends in the 20th Century. Released during the bureau's 100th anniversary year, the report tracks trends in population, housing and household data for the nation, regions and states.
"Our goal was to produce a publication that appeals to people interested in the demographic changes that shaped our nation in the 20th century and to those interested in the numbers underlying those trends," said Frank Hobbs, who co-authored the report with Nicole Stoops. "We hope it will serve as a valuable reference work for years to come."

Some highlights of the report include:

Population Size and Geographic Distribution

  • The U.S. population grew by more than 205 million people during the century, more than tripling from 76 million in 1900 to 281 million in 2000.
  • As the population grew, the geographical population center shifted 324 miles west and 101 miles south, from Bartholomew County, Indiana, in 1900 to its current location in Phelps County, Missouri.
  • In every decade of the century, the population of the Western states grew faster than the populations of the other three regions.
  • Florida's population rank rose more than that of any other state, catapulting it from 33rd to 4th place in state rankings. Iowa's population ranking dropped the furthest, from 10th in the nation in 1900 to 30th in 2000.

Age

  • Children under 5 years old represented the largest five-year age group in 1900 and again in 1950; but in 2000 the largest groups were 35 to 39 and 40 to 44.
  • The percentage of the U.S. population age 65 and over increased in every censusfrom 1900 (4.1 percent) to 1990 (12.6 percent), then declined for the first time in Census 2000 to 12.4 percent.
  • From 1900 to 1960, the South had the highest proportion of children under 15 and the lowest proportion of people 65 and over, making it the country's "youngest" region. The West grabbed that title in the latter part of the century.

Race and Hispanic Origin

  • At the beginning of the century, only 1-in-8 U.S. residents were of a race other than white; by the end of the century, the ratio was 1-in-4.
  • The black population remained concentrated in the South, and the Asian and Pacific Islander population in the West through the century, but these regional concentrations declined sharply by 2000.
  • From 1980 to 2000, the Hispanic-origin population, which may be of any race, more than doubled.
  • The total minority population people of Hispanic origin or of races other than white increased by 88 percent between 1980 and 2000 while the non-Hispanic white population grew by only 7.9 percent.

Housing and Household Size

  • In 1950, for the first time, more than half of all occupied housing units were owned instead of rented. The homeownership rate increased until 1980, decreased slightly in the 1980s and then rose again to its highest level of the century in 2000 reaching 66 percent.
  • The 1930s was the only decade when the proportion of owner-occupied housing units declined in every region. The largest increase in homeownership rates for each region then occurred in the next decade when the economy recovered from the Depression and experienced post-World War II prosperity.
  • Between 1950 and 2000, married-couple households declined from more than three-fourths of all households to just over one-half.
  • The proportional share of one-person households increased more than households of any other size. In 1950, one-person households represented 1-in-10 households; by 2000, they comprised 1-in-4.
For more reference see https://www.thoughtco.com/census-bureau-reports-100-years-in-america-4051546

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Homework | Answered on Mar 29, 2018


What is causing climate change? Geological records stretching back millions of years indicate a number of large variations in Earth's past climate. These have been caused by many natural factors, including changes in the sun, volcanoes, Earth's orbit and CO2 levels.
However, comprehensive assessment by scientists shows that it is extremely likely that human activity has been the dominant cause of warming since the mid-20th Century.
Greenhouse gas emissions Evidence that CO2 emissions are the cause of global warming is very robust. Scientists have known since the early 1800s that greenhouse gases in the atmosphere trap heat.
Global CO2 emissions from human activity have increased by over 400% since 1950. As a result, the concentration of CO2 in the air has reached more than 400 parts per million by volume (ppm), compared to about 280ppm in 1750 (around the start of the Industrial Revolution).
The Earth's natural climate cycle Over the last 800,000 years, there have been natural cycles in the Earth's climate, between ice ages and warmer interglacial periods. After the last ice age 20,000 years ago, average global temperature rose by about 3°C to 8°C, over a period of about 10,000 years.
We can link the rises in temperature over the last 200 years to rises in atmospheric CO2 levels. Greenhouse gas levels are now well above the natural cycle of the last 800,000 years.
Solar influences The sun is the primary source of Earth's heat, so relatively small changes in solar output can affect our climate.
Satellite observations since the late 1970s have shown a slight decrease in the sun's total energy output. However, instead of cooling, the Earth has warmed over this period.
Also, warming from the sun would heat all of the atmosphere, including the lowest few kilometres (the troposphere) and the layer above (the stratosphere). Observations show that the stratosphere is in fact cooling while the troposphere warms. This is consistent with greenhouse gas heating and not solar heating.


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Homework | Answered on Mar 29, 2018

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