What is the factored form of n2 + n

Answer:

No, x=-5 is the answer

Step-by-step explanation:

Did this before, trust me

The wage of 2001 in terms of wage in 2012 is option A $14.97

Given,

Mack's wages in 2001 = $7 per hour

Mack's wages in 2012 = $12 per hour

The CPI in 2001 = 94

The CPI in 2012 = 201

We have to fins the wage of 2001 in terms of wage in 2012;

CPI;- Consumer Price Index

The CPI is calculated by the Bureau of Labor Statistics each month using a sample of 94,000 prices. To determine the overall change in prices, the index for each good or service is weighted according to its share of recent consumer spending.

Here,

The wage of 2001 in terms of wage in 2012 = (CPI in present year / CPI in past year) x Wage of earlier year

= (201 / 94) x 7

= 14.97

That is,

The wage of 2001 in terms of wage in 2012 is option A $14.97

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Answer:

£8884.10625

Step-by-step explanation:

15% of £20,000:

20000x15/100=£3000

20000-3000=£17000

15% of £17000:

17000x15/100=£2550

17000-2550=£14450

15% of £14450:

14450x15/100=£2167.5

14450-2167.5=£12282.5

15% of £12282.5:

12282.5x15/100=£1842.375

12282.5-1842.375=£10440.125

15% of £10440.125:

10440.125x15/100=£1556.01875

10440.125-1556.01875=£8884.10625

Since the car loses 15% of it's value each year, it retains 85% of the value.

Value after 1 year = 85% of original value.

Value after 2 years = 85% of value after year 1

Value after 3 years = 85% of value after year 2

and so on...

We could calculate this year by year or we could do a single calculation to obtain the value.  We need to take 85% of the original value a total of 5 times, since we're wondering about the value in 5 years.

value after 5 years = 20000(0.85)(0.85)(0.85)(0.85)(0.85)

value after 5 years = 20000(0.85)^5

value after 5 years ≈ 8874.10625

So the value will be 8874.11 pounds in 5 years.

Answer:

5

Step-by-step explanation:

to multiply fractions we multiply numerator with numerator and denominator with denominator

[tex]\frac{3}{36}x\frac{60}{1}[/tex]

[tex]\frac{3x60}{36x1}[/tex]

[tex]\frac{180}{36}[/tex]

5

Hopes this helps please mark brainliest

Answer:

Subtract 6 from both sides

Step-by-step explanation:

The correct equation that shows their total earnings, y, depend on the number of cups sold, x will be;

⇒ y = 2x

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

They earn $2 for each cup of lemonade they sell.

Now,

Let number of cups = x

And, Total earnings = y

Since, They earn $2 for each cup of lemonade they sell.

So, We get;

⇒ y = 2x

Where, x is number of cups and y is total earnings.

Thus, The correct equation that shows their total earnings, y, depend on the number of cups sold, x will be;

⇒ y = 2x

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Answer:

2

Step-by-step explanation:

Answer: 1 + 1 is two!

Step-by-step explanation:

We know this because, we can count our fingers. Your pointer finger and your index finger put together is a total of two fingers!

There are other ways to do simple addition, but I find counting fingers the easiest!

Hope this helped you! Have a great day :)

No, It will not be able to outbid your competitor if your cost to produce is $30 and you need to make a markup of 30% on an upcoming bid. A competitor placed a bid for $37.

A cost is the worth of money that has been expended to produce something or provide a service and is therefore no longer available for use in production, research, retail, and accounting. In the case of an acquisition cost, the money spent on the acquisition is considered the cost. Any system for allocating expenses to a business component is known as costing. Costing is frequently used to establish expenses for customers, distribution channels, personnel, regions, goods, product lines, processes, subsidiaries, and whole businesses.

Given,

Your cost to produce is $30 and you need to make a markup of 30% on an upcoming bid. A competitor placed a bid for $37.

No, It will not be able to outbid your competitor.

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Unit conversion is the conversion of one unit to another unit with its standard conversion.

1 kg = 2.2 lb

The weight of the cat food in pounds is 33 lb.

It is the conversion of one unit to another unit with its standard conversion.

Example:

1 minute = 60 seconds

1 km = 1000 m

We have,

Number of bags of cat food = 3

Weight of each bag = 5 kg

1 kg = 2.2 lb ______(1)

Weight of 3 bag = 3 x 5 = 15 kg _______(2)

From (1) and (2) we get,

1 kg = 2.2 lb

Multiplying 15 on both sides.

15 x 1 kg = 15 x 2.2 lb

15 kg = 33 lb

Thus,

The weight of the cat food in pounds is 33 lb.

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Solution of 1/4 plus (-1/2) giving the answer in equivalent form of fraction

The problem involves addition of fractions

The fractions with different numerators and denominators when compared with another fraction but the same value with the fraction are said to be equivalent fractions.

The fraction required are:

= 1/4 plus (-1/2)

= 1/4 + -1/2

= 1/4 - 1/2

= 1/4 - 2/4

= -1/4

-1/4 is in the least form of the fraction.

The equivalent form is written as

-2/8

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Answer:

31.4 yards

Step-by-step explanation:

Formula for circumference is C = π*d

10*3.14

31.4 yards

Hope this helps!

Answer:

[tex] \sf C = 31.4 \: yards[/tex]

Step-by-step explanation:

The formula to find the circumference of a circle is :

[tex] \sf \: C = \pi \: d[/tex]

Here,

d --> Diameter ---> 10 yards

Let us find it now.

[tex]\sf \: C = \pi \: d \\ \sf \: C = 3.14 \: \times 10 \\ \sf \: C = 31.4 \: yards[/tex]

Expression which are equivalent to the given expression 3⁴ ×  3ˣ are as follow: (3⁴⁺ˣ ) and 81 × 3ˣ.

As given in the question,

Given expression is equal to :

3⁴ ×  3ˣ

Using law of indices for multiplication we have ,

mᵃ × mᵇ = mᵃ⁺ᵇ

Here in the given expression m = 3 , a= 4 and b = x

Equivalent expression for the given expression is given by,

3⁴ ×  3ˣ

=  (3⁴⁺ˣ )

Also,

Now simplify the given expression we get,

 3⁴ ×  3ˣ

= ( 3 × 3 × 3 × 3) × 3ˣ

= 81 × 3ˣ

Therefore, expression which are equivalent to the given expression 3⁴ ×  3ˣ are as follow: (3⁴⁺ˣ ) and 81 × 3ˣ.

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If the function f(x) = [tex]x^2[/tex], then the function g(x) = [tex]-x^2-2[/tex]

From the given graph

The function is

f(x) = [tex]x^2[/tex]

The function is the rule the shows the relationship between one variable and another variable. If one variable is independent variable and another variable will be dependent variable. We can also says that the it show the relationship between input and output of the function

We can see that the function g(x) is the reflection of the function f(x) at y = -2

The reflection of f(x) = - f(x)

= - [tex]x^2[/tex]

The reflection of f(x) at y = -2 is

f(x) =  [tex]-x^2-2[/tex]

Then the function g(x) = [tex]-x^2-2[/tex]

Hence, If the function f(x) = [tex]x^2[/tex], then the function g(x) = [tex]-x^2-2[/tex]

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The common shaded zone, as illustrated in the graph attached, will represent the answer to the set of equations. There isn't a common location where the two equations intersect.

Given that,

The system of inequality

y < x² + 2

y > x² - 6

We have to find the common point of the system of inequality.

We know that,

The graph is shown in the image.

Using the graphing technology,

A will be the first equation's vertex (0,2)

The parabola's outer region will be shaded and its boundary will be a dotted line because y is less than the value required by the quadratic equation.

In a similar way, the second equation's vertex, (0,-6), will be a dotted parabola with shaded inner portions.

The common shaded zone, as illustrated in the graph attached, will represent the answer to the set of equations. There isn't a common location where the two equations intersect.

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Answer:

8

Step-by-step explanation:

You can solve this a few different ways.

Firstly I did 102 - 97 = 5

Then I took 5 and added 3 to it

5 + 3 ---> which gets us 8 as our final answer.

Hope I helped!

Have a great day!

Answer:

None

Step-by-step explanation:

In order to solve an inequality you must isolate x on one side, so begin bringing the numbers from one side to another to make x the subject.

(numbers change their sign when brought to the other side)

5 > - 6 - 2x

5 + 6 > - 2x

11 ÷ - 2 > x

-5.5 < x (the sign switches when you divide or multiply by a negative number)

The solution is -5.5, which means none of the values provided are the solution.

Answer:

x = 14   y = 37

Step-by-step explanation:

180 - (9x + 12) = 3x

180 - 9x - 12 = 3x

168 = 12x

x = 14

4y - 10 + 3(14) = 180

4y - 10 + 42 = 180

4y + 32 = 180

4y = 148

y = 37

The weight of meteorite A is 207 tons and meteorite B is 23 tons.

Let the weight of B = w

Let the weight of A = 9 × w = 9w

Since the weight of meteorite A is 9 times the weight of meteorite B. If the sum of their weights is 230 tons. This will be illustrated as:

9w + w = 230

10w = 230

Divide

w = 230/10

w = 23

meteorite B = 23 tons

meteorite A will be:

= 9w

= 9 × 23

= 207 tons

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Answer: D/ 6.

Step-by-step explanation: First, you have to do division to find out how many minutes = 1 nautical mile.

378 divided by 21= 18.

Then, you would do 108 divided by 18, to find out the answer; 6.

To double check your work, get the answer you got and multiply it by the minutes per mile which is 18.

18 x 6 = 108.

Therefore, it will be 6 nautical miles in 108 minutes.

Answer:point c

Step-by-step explanation:

because point c is three lines down from -1. making -1 and 3/8

Answer:

Point C

Step-by-step explanation:

Because -1 3/8 is negative, it is less than 0.

Point A is eliminated.

Because | -1 3/8 | > | 1 |,

Point B is eliminated.

There are 8 tick marks in between (and including) the integers. Each small unbolded tick mark represents 1/8.

Because 3/8 is 3 times 1/8, count 3 down from -1.

You are left with C.

The percentage reduction in the cost of the coat is 20.58 %

As given,

Cost of coat =  $ 85  

Price in sale=  $ 67.50

Reduced price =$ 85  - $ 67.50= $ 17.5

Therefore to find the percentage reduction in the cost of the coat

% Reduction = (Reduced price / original price) x 100

= ( 17.5 / 85 ) x 100

= 20.58 %

Hence, the percentage reduction in the cost of the coat is 20.58 %

The percentage reduction formula is a mathematical tool that helps determine how much of a substance can be removed from a sample. This formula can be used to calculate the percentage of a substance that can be removed from a sample if the starting concentration and the ending concentration are known.

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The number of each of the coin in Johnny's possession are

Information from the question

Johnny has some nickels and dimes in his pocket, and the change is worth $0.75

He has twice as many dimes as nickels

The change worth $0.75

Nickels, N - Dimes, D = 0.75

D - N = 0.75

twice as many dimes as nickels

2N = D

N = D / 2

therefore

D - D/2 = 0.75

D/2 = 0.75 = N

D = 1.5

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Tengo un total de 3 huevos en la última.

Los rompecabezas también son una excelente manera de pensar fuera de la caja. Resolver acertijos fortalece las conexiones entre las células cerebrales y forma nuevas células cerebrales, mejorando así la memoria. Resolver acertijos es una excelente manera de mejorar tu memoria a corto plazo.

Este acertijo viral debe leerse con atención. Su primer pensamiento podría ser que este es un problema matemático simple.

Si tuviera cuatro huevos

Un ladrón me da 3 huevos,

Mi gallo de granja pone 5 huevos,

¿Cuántos huevos tengo?

La explicación lógica de este acertijo es "Para empezar, el acertijo dice 'Si tuviera 4 huevos', pero este es solo un escenario y no tenías ningún huevo en primer lugar. Así que eso es 0 huevos.

Entonces el ladrón te dio 3 huevos.

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Answer:

[tex]2Sb+3I_2=2SbI_3[/tex]

[tex]P_4+3O_2=2P_2O_3[/tex]  

[tex]2SO_3=2S+3O_2[/tex]  

[tex]2Fe_2O_3+3C=4Fe+3CO_2[/tex]  

[tex]CH_4+2O_2=CO_2+2H_2O[/tex]

Step-by-step explanation:

Each side of the equations need to have the same number of each element.

Equation 1

Since there are 2 I on one side of equation 1, and 3 on the other side, I will do the following:

[tex]Sb+3I_2=2SbI_3[/tex]  

Now the number of Sb is unbalanced, so I balance it like so:

[tex]2Sb+3I_2=2SbI_3[/tex]

Equation 2

Using the same strategy, I focus on one element at a time. I can balance the P like this:

[tex]P_4+O_2=2P_2O_3[/tex]

Now, I can balance the O. There are 6 on the right, so if I put 3 on the left, there will be 6 there as well!

[tex]P_4+3O_2=2P_2O_3[/tex]  

Equation 3

Starting with O this time, I put 2 on the left and 3 on the right to bring them both to 6.

[tex]2SO_3=S+3O_2[/tex]  

Now there are 2S on the left and only 1 on the right, so I balance it:

[tex]2SO_3=2S+3O_2[/tex]  

Equation 4

Starting with O again, there are 3 on the left and 2 on the right.

[tex]2Fe_2O_3+C=Fe+3CO_2[/tex]

Now, the Fe are unbalanced as well. There are 4 on the left and 1 on the right:

[tex]2Fe_2O_3+C=4Fe+3CO_2[/tex]

Finally, balance the C, there is 1 on the left and 3 on the right.

[tex]2Fe_2O_3+3C=4Fe+3CO_2[/tex]  

Equation 5

This one is pretty hard to read, so I will assume that the equation looks like this (please comment if this is incorrect)

[tex]CH_4+O_2=CO_2+H_2O[/tex]

Let's balance the H first:

[tex]CH_4+O_2=CO_2+2H_2O[/tex]

Now the O. There are 2 on the left and 4 on the right.

[tex]CH_4+2O_2=CO_2+2H_2O[/tex]

Answer:

2x^3-x^2-10x-7

Step-by-step explanation:

Distribute x to 2x^2, 3x, and -7

Then, distribute 1 to 2x^2, 3x, and -7

Hope this helps.

:)

The multiplication of 5 whole numbers is 16875

Given that

5 positive whole numbers add up to 47

we solve these by using system of equation  

let 5 whole numbers be p, q, r, s and t

equation is: p + q + r + s + t = 47

one of the number is a multiple of 9 the other four numbers are equal  

let p be the multiple of 9

equation is: p + q + q + q = 47

p + 4q = 47

let's try trial and error method q and p are whole numbers, they cannot be decimal  

let p = 9

9 + 4q = 47

4q = 47-9

4q = 38

q = 9.5 it is not whole number, so this is not the number

let p= 18

18 + 4q = 47

4q = 47-18

4q = 29

q = 7.25 it is not whole number, so this is not the number

let p = 27

27 + 4q = 47

4q = 47 -27

4q = 20

q = 5

then multiplication of these 5 whole numbers is

27 * 5*5*5*5 = 27*625=16875

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The group of families in which the proportion of children has contracted sharply from 1980 to 2013 is Middle-Income group.

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Answer:

1/3

Step-by-step explanation:

Compute the slope of the line through the following points:

p_1 = (-4, 1) and p_2 = (2, 3)

The slope of the line through (x_1, y_1) and (x_2, y_2) is:

(y_2 - y_1)/(x_2 - x_1)

Substitute (x_1, y_1) = (-4, 1) and (x_2, y_2) = (2, 3):

= (3 - 1)/(2 - -4)

3 - 1 = 2:

= 2/(2 - -4)

-(-4) = 4:

= 2/(2 + 4)

2 + 4 = 6:

= 2/6

The gcd of 2 and 6 is 2, so 2/6 = (2×1)/(2×3) = 2/2×1/3 = 1/3:

Answer:  = 1/3