why is 1+1 = 2 and not 8? Why did someone came up with 2? How do you approach 2 from 1+1? Who even invented numbers? Why is math a thing? Why are we conditioned to know that 1+1 =2?

Answers

Answer 1
Wot- I wish I knew that

Related Questions

Alexa is using 6 pounds of apples to make pies.

How many ounces of apples is Alexa using for the pies?

(1 pound = 16 ounces)

Answers

Answer: The answer would be 96 ounces

Step-by-step explanation: You simply multiply 6 by 16 because that's how you convert pounds to ounces.

Answer:It would be 96 ounces because you would fo 16 × 6 = 96

Let S={1,4,8,16,32,64} be a sample space. If P(1)=132 and P(2k)=21−k for 2≤k≤6, find the expected value of the event E={1,8,32,64}. Give your answer as a fraction in its simplest form. Provide your answer below:

Answers

Answer:

Step-by-step explanation:

193/32

Which statement about this equation is true?
3+x= 2–3x
The equation has no solution.
The equation has one solution.
The equation has infinitely many solutions.

Answers

The equation has one solution

The state of California collected $103.0 billion in personal tax for 2019. The population

in California is about 39.50 million people. Round all scientific answers with two decimals

with no spaces.

Write the personal tax in scientific notation. 1 point Debt:

Write the population in scientific notation. 1 point Population:

Calculate the Personal Tax Per Capita and write your answer in standard notation. Round

to a whole number. 2 points

Use the personal tax per capita in a sentence explaining what this value means. 4 points

Answers

Answer:

Step-by-step explanation:

a. The personal tax collected for 2019 is $103.0 billion.

  The tax in scientific notation = $1.03 x [tex]10^{11}[/tex]

b. The population in California is 39.50 million people.

The population in scientific notation = 3.95 x [tex]10^{7}[/tex]

c. Assuming that the whole population of people in Califonia are working i.e employed, the the Personal Tax Per Capita can be determined by;

Personal Tax Per Capita = [tex]\frac{income tax revenue}{taxable population}[/tex]

                           = [tex]\frac{103000000000}{39500000}[/tex]

                           = 2607.595

                           = 2.61 x [tex]10^{3}[/tex]

                           = 3.00 x [tex]10^{3}[/tex]

d. Therefore provided that the whole population of people in California for 2019 are employed, then each person pays an average of $2607.595 per annum in the year 2019.

Contribution Margin, Break-Even Sales, Cost-Volume-Profit Chart, Margin of Safety, and Operating Leverage

Youngsville Industries Inc. expects to maintain the same inventories at the end of 20Y5 as at the beginning of the year. The total of all production costs for the year is therefore assumed to be equal to the cost of goods sold. With this in mind, the various department heads were asked to submit estimates of the costs for their departments during the year. A summary report of these estimates is as follows

Estimated Fixed Cost

Estimated Variable Cost (per unit sold)

Production Costs:



Direct Materials


$48


Direct Labor


$38


Factory Overhead


$150,000


$25

Selling Expenses:



Sales salaries and commissions


$125,000


$10


Advertising


$50,000



Travel


$15,000



Miscellaneous selling expense


$10,000


$2

Administrative Expenses:



Office and officers' salaries


$140,000



Supplies


$10,000


$5


Miscellaneous administrative expense


$10,000


$2

Total


$510,000


$130



It is expected that 22,175 units will be sold at a price of $170 a unit. Maximum sales within the relevant range are 27,500 units.

Answers

Answer:

Giving the following information:

Units sold= 450,000

Total Sales= $12,150,000

Total variable cost= $6,925,500

Total fixed cost= $3,242,673

First, we need to calculate the unitary selling price and variable cost. Then, we calculate the contribution margin.

Selling price= 12,150,000/450,000= $27

Unitary variable cost= 6,925,500/450,000= $15.39

Contribution margin per unit= 27 - 15.39= $11.61

To calculate the contribution margin ratio, we need to use the following formula:

Contribution margin ratio= contribution margin/ selling price

Contribution margin ratio= 11.61/27

Contribution margin ratio= 0.43

To calculate the break-even point both in units and dollars, we need to use the following formulas:

Break-even point in units= fixed costs/ contribution margin per unit

Break-even point in units= 3,242,673 / 11.61= 279,300 units

Break-even point (dollars)= fixed costs/ contribution margin ratio

Break-even point (dollars)= 3,242,673/0.43= $7,541,100

Finally, we need to incorporate the desired profit to the break-even point formula:

Break-even point in units= (3,242,673 + 426,087) / 11.61

Break-even point in units= 316,000 units

Step-by-step explanation:

4y + 19 = x
3y - x= -13

Answers

Answer:

Do you need a step by step explaination on hiw to get the answer x= -13?

A submarine started at a depth of 150 below sea level and descended 355 feet what is the new depth of the submarine?

A. 370 ft
B. 205 ft
C. 0 ft
D. 505 ft


Plz answer ASAP got test

Answers

Its 205 I did a test

How does the graph of y = sec(x - 2) + 2
compare to the graph of y = sec(x)?
0 It is shifted 2 units down and 2 units left.
It is shifted 2 units down and 2 units right.
O It is shifted 2 units up and 2 units left.
It is shifted 2 units up and 2 units right.

Answers

Answer:

D

or

It is shifted 2 units up and 2 units right.

Step-by-step explanation:

The graph of  y = sec(x) is shifted 2 units up and 2 units right.

What is Graph?

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

The given graph is  y = sec(x)

After transformation it is y = sec(x - 2) + 2

We need to find the transformation applied to y=secx to get  y = sec(x - 2) + 2.

Graph transformation is the process by which an existing graph, or graphed equation, is modified to produce a variation of the proceeding graph.

y=f(x-a) is the same graph shifted 'a' units to the right. If 'a' is negative, then, the graph is shifted to the left.

y = f(x) - a is the same graph, but shifted 'a' units downwards. If 'a' is negative, then the graph will be shifted upwards.

In this case, our main function is y=sec(x). And the function y= sec(x-2)+2 is shifted two units to the right and 2 units upwards.

Hence, the graph of  y = sec(x) is shifted 2 units up and 2 units right.

To learn more on Graph click:

https://brainly.com/question/17267403

#SPJ5

A total of 443 tickets were sold for the school play. They were either adult tickets or student tickets. There were 57 fewer student tickets sold than adult tickets. How many adult tickets were sold?

Answers

Answer

386

Step-by-step explanation:

Do the math 443-57

Slove the equation for x, and enter your answer below.

7x - 12x - 5 = -45 + 15

How do I solve this please provide an explanation ​

Answers

Answer:

x = 5 (check steps below)

Step-by-step explanation:

first off lets combine like terms to make it simple so subtract 7x and 12x which comes out to be -5x and add -45 and 15 on the other side which equals -30 so we end up with

-5x -5 = -30

Now we add 5 onto the other side

-5x = -25

finally we divide by -5 on each side to have x by itself

x = 5

(the negatives cancel each other)

Help please! I need to know the domain and range of this graph

Answers

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

[tex]domain = ( - \infty \: , \: \infty ) [/tex]

[tex]range = ( - \infty \: , \: \infty ) - (0)[/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Answer:

Domain: (-oo, 3) U (3, +oo)

Range: (-oo, 0) U (0,oo)

Step-by-step explanation:

9=2m+2-3
please tell me what dis is​

Answers

Answer:

m=5

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

Step 1:

9 = 2m + 2 - 3        Equation

Step 2:

9 = 2m - 1        Combine Like Terms

Step 3:

10 = 2m       Add 1 on both sides

Step 4:

m = 10 ÷ 2       Divide

Answer:

m = 5

Hope This Helps :)

Mr. Waxman is helping with deliveries for a shipping company. The graph shows a linear model for his delivery times on different days. (A) Identify two points on the line and write the coordinate pairs below. (B) Use your two points to find the slope, and make sure to show your work. (C) Use your slope from Part B and find the equation of the line in point-slope form. Show your work and work through the steps to transform the equation from point-slope form into slope-intercept form. (D) Based on the equation you found in Part C, predict how long it take Mr. Waxman to deliver his packages on Day 0. Approximately how much did his delivery time decrease per day? 2 SEE A

Answers

Answer:

See below

Step-by-step explanation:

Note: missing graph is attached

Solution

A) The two points are:

(4, 19) and (7, 7)

B) Slope formula: m = (y2-y1)/(x2-x1)

m = (7 - 19)/(7-4)m = -12/3m = -4

C) Point-slope formula:

y - y1 = m(x - x1)

Using one of the points we get:

y - 19 = -4(x - 4)

D) Delivery time on Day 0:

y - 19 = -4(0 - 4)y - 19 = 16y = 16 + 19y = 35 minutes

Delivery time decreases by the value of the slope which is 4 minutes per day

what is the probability of 26/100 19/100 and 55/100

Answers

Answer:

1/3

Step-by-step explanation:

Hope this helps

Answer:

1/3

Step-by-step explanation:

E

Find the savings plan balance after 2 years with an APR of 8% and monthly payments of $150

Answers

Answer:30 dollar savings

$30 dollars savings

When the author visited Dublin, Ireland (home of Guinness Brewery employee William Gosset, who first developed the t distribution), he recorded the ages of randomly selected passenger cars and randomly selected taxis. The ages can be found from the license plates. (There is no end to the fun of traveling with the author.) The ages (in years) are listed below. We might expect that taxis would be newer, so test the claim that the mean age of cars is greater than the mean age of taxis. Use α= 0.05 significance level to test the claim that in Dublin, car ages and taxi ages have the same variation.

Car Ages 4 0 8 11 14 3 4 4 3 5 8 3 3 7 4 6 6 1 8 2 15 11 4 1 6 1 8
Taxi Ages 8 8 0 3 8 4 3 3 6 11 7 7 6 9 5 10 8 4 3 4

Answers

Answer:

The  Decision Rule

Fail to reject the null hypothesis

The conclusion

 There is no sufficient evidence to support the claim that the mean age of the cars is greater than that of taxi

Step-by-step explanation:

From the question we are told that

   The data is  

      Car Ages 4 0 8 11 14 3 4 4 3 5 8 3 3 7 4 6 6 1 8 2 15 11 4 1 6 1 8

     Taxi Ages 8 8 0 3 8 4 3 3 6 11 7 7 6 9 5 10 8 4 3 4

      The  level of significance [tex]\alpha = 0.05[/tex]

 Generally the null hypothesis  is  [tex]H_o  :  \mu_1 - \mu_2  = 0[/tex]

                  the alternative hypothesis is   [tex]H_a  :  \mu_1 - \mu_2 >  0[/tex]

Generally the sample mean for the age of  cars is mathematically represented as

        [tex]\= x_1 = \frac{\sum x_i }{n}[/tex]

=>     [tex]\= x_1 = \frac{4+ 0+ 8 +11 + \cdots + 8 }{27}[/tex]

=>     [tex]\= x_1 = 5.56[/tex]

Generally the standard deviation of age of  cars

     [tex]\sigma _1  = \sqrt{\frac{\sum (x_i - \= x)^2}{n_1} }[/tex]

=>  [tex]\sigma _1  = \sqrt{\frac{(4 - 5.56)^2 + (0 - 5.56)^2+ (8 - 5.56)^2 + \cdots + 8}{ 27} }[/tex]

=>  [tex]\sigma _1  =  3.88 [/tex]

Generally the sample mean for the age of taxi is mathematically represented as

        [tex]\= x_2 = \frac{\sum x_i }{n}[/tex]

=>     [tex]\= x_2 = \frac{8 +8 +0  + \cdots + 4 }{20}[/tex]

=>     [tex]\= x_2 = 5.85 [/tex]

Generally the standard deviation of age of  taxi

[tex]\sigma _2  = \sqrt{\frac{\sum (x_i - \= x)^2}{n_1} }[/tex]

=>  [tex]\sigma _2  = \sqrt{\frac{(8 - 5.85)^2 + (8 - 5.85)^2+ (0 - 5.85)^2 + \cdots + 8}{ 20} }[/tex]

=>  [tex]\sigma _2  = 2.83 [/tex]

Generally the test statistics is mathematically represented as

   [tex]t = \frac{(\= x_ 1 - \= x_2 ) - 0}{\sqrt{\frac{\sigma^2_1}{n_1}  + \frac{\sigma^2_2}{n_2} }  }[/tex]

=> [tex]t = \frac{(5.56 - 5.85 ) - 0}{\sqrt{\frac{(3.88)^2}{27}  + \frac{(2.83)}{20} }}[/tex]  

=> [tex]t = -0.30 [/tex]  

Generally the degree of freedom is mathematically  represented as

   [tex]df =  n_1 + n_2 -2[/tex]

    [tex]df =  27 +  20 -2[/tex]

    [tex]df =  45[/tex]

From the t distribution table  the [tex]P(t >  t )[/tex] at the obtained degree of freedom = 45 is  

   [tex]P(t >  -0.30 ) = 0.61722067[/tex]

So  the  p-value  is

    [tex]p-value  =  P(t >  T) =  0.61722067[/tex]

From the obtained values we see that the  p-value  >  [tex]\alpha [/tex] hence we fail to reject the null hypothesis

Hence the there is no sufficient evidence to support the claim that the mean age of the cars is greater than that of taxi

Help me please! If you can explain it will help me a lot, if not then it’s okay.

Answers

Answer:

I cant help bc it doesnt show :((( sorrrrry

Step-by-step explanation:

D should be the answer

help me please thank you​

Answers

24 blueberries. 24:60=2:5

how many numbers are between k and n

Answers

Answer:

n-k-1

Step-by-step explanation:

n is bigger than k. It asks BETWEEN k and n. so, since n is bigger than k, n-k. since it says BETWEEN, you subtract 1 after that

got it?

=)

oh and the reason i am strict about BETWEEN, is because when it said between, then its discluding k and n.

If it says FROM k and n, then you both include k and n, and that would result of adding 1 instead of subtracting 1.

HELP ASAP!!WILL GIVE GOOD RATINGS

Answers

Adding a line through the middle will leave you with a triangle on top and a rectangle on the bottom. Hope this helps!

Free pints get it lolololo​

Answers

Answer:

Yayee

Step-by-step explanation:

Hahahahahha
Jags rvhdv f hdidbdjbfjfoc. S in thrift Nd

solve the inequality and graph its solutions on a number line. 5x+3<3(x+2)

Answers

Answer:

B

Step-by-step explanation:

an equivalent ratio to the tape diagram shown is to​

Answers

What’s the question? I kind of need a picture to do the question

Answer:

it is 16 to 32

Step-by-step explanation:

if you divided 16 by 8 and 32 by eighth you get 2:4

A researcher wanted to determine the prevalence of type 2 diabetes among persons living with HIV in Ojai, a small town in California. He developed a survey questionnaire and mailed to 600 residents of Ojai. The survey asked participants several questions including whether their doctor or health care professional ever told them that they had diabetes. All 600 residents completed the survey and the researcher considered their sample a random sample of the 2,500 total residents of 3 Ojai. The following data was compiled from the survey. The prevalence of diabetes in the sampled survey was 6%. The researcher wanted to compare the prevalence of diabetes by smoking status. In their survey, they found that among 230, who were smokers, 157 reported diabetes and among the remaining nonsmokers, 50 reported diabetes.
Construct a two by two table using the data given above. Be sure to label the cells and margins.
Diabetes
Yes No
Smoking Yes a b
No с d
Total

Answers

Answer:

Step-by-step explanation:

Given that:

There are 600 residents in the survey.

And results gathered identify that among 230 who were smokers, 157 are reported to have diabetes and among the remaining nonsmokers, 50 reported diabetes.

The objective is to construct a two by two table from the given data:

                       Diabetes

                    Yes                   No                          Total

Smoking  

Yes                  157                   230 - 157

                                               =  73                       230

No                     50                  370 - 50               600 - 230

                                               =  320                    = 370

Total              157 + 50             320+ 73

                      = 207                  = 393                    600

Wilbur has a bag of coins. The bag contains 10 dimes, 5 nickels, and 1 penny. He will randomly select 2 coins from the bag, one at a time, without replacement. What is the probability that Wilbur will select a dime first and then a penny? A) 0.1 B) 0.04167 C) 0.03906 D 0.04444 ​

Answers

b. you would multiple the odds of drawing a dime from the 16 coins (10/16) times getting a penny from the remainder of coins (1/15) and get .04167.

Rahul deposited Rs. 12,000 in a bank for 2 years. If it is compoundedannuallyat 9% p.a., what amount will he receive on maturity? (at the end of two years).

Answers

Answer:

Rs 14257.2

Step-by-step explanation:

From the formula;

A= P(1 + i)^n

A= amount

P= principal

i= rate

n= time

A= 12000(1 + 0.09)^2

A=12000(1.09)^2

A=Rs 14257.2

What is the sum of 16.5 x 10 exponent 4

Answers

165,000, because of what he said

A shipping container is in the shape of a right rectangular prism with a length of 2 feet, a width of 5 feet, and a height of 1.5 feet. The container is completely filled with contents that weigh, on average, 0.72 pound per cubic foot. What is the weight of the contents in the container, to the nearest pound?

Answers

Answer:

102 pounds

Step-by-step explanation:

Answer:

11 ibs

Step-by-step explanation:

3. At a road work site, 20 cones are placed along 50 feet of road. How many cones are placed
along 35 feet of road? *

Answers

Answer:

14 cones

Step-by-step explanation:

20/50=0.4

0.4 times 35=14

Aging workers of the Neotropical termite, Neocapritermes taracua, develop blue crystal containing glands ("backpacks") on their backs, When they fight intruding termites and are hampered, these "blue" termites explode, and the glands spew a sticky liquid (Sobotnik et al. 2012). The following data are from an experiment that measured the toxicity of the blue substance. A single drop of the liquid extracted from blue termites was placed on individuals of a second termite species, Labiotermes labralis, and the number that were immobilized (dead or paralyzed) within 60 minutes was recorded. The frequency of this outcome was compared with a control treatment in which liquid from glands of "white" termites lacking the blue crystals was dropped instead.
Is the blue liquid toxic compared to liquid from white termites?
Liquid source Unharmed Immobilized
Blue workers 3 37
White workers 31 9

Answers

Answer:

Yes blue liquid is toxic

Step-by-step explanation:

H0: p1 = p2

H1: p1>p2

For blue

We calculate proportion as

37/40 = 0.925

For white

9/40 = 0.2250

To get p

(X1 + x2)/(n1 + n2)

= 0.5750

After calculating the z as statistic (please check attachment) I got 6.33

P value = 0.0000

We reject null hypothesis and say in conclusion that enough evidence exists for us to say blu liquid is toxic!

Thank you!

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