Factor each expression completely. x²+4 x+4

Answers

Answer 1

The factoring of the expression x²+ 4x+4 is (x+2)²

To solve this exercise, we have to follow the rules of factoring:

x²+ 4x + 4

1. Looking for the a and b number that state the following equations:

a + b = 4a * b = 4

Analyzing that (a*b) is a positive number, it means that (a) and (b) have the same signs.

The number could be:

a = 2

b = 2

Confirming:

a + b = 2 + 2 = 4

a * b = 2 * 2 = 4

2. Rewriting the factored expression (x+a)(x+b) with the obtained values, we get:

(x+2) (x+2)

3. Rewriting as the square of a binomial, we get:

(x+2)²

What is factoring?

Is a technique that consist of decomposition of a factor into a product of another factor, which when multiplied together give the original number.

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Factor Each Expression Completely. X+4 X+4

Related Questions

help please im so lost. can somebody please explain!!!!?

Answers

Answer:

Step-by-step explanation:

Depreciation means value falling

10 is the scrap value which means the value that will remain after the product is properly used up.

depreciation for one year will be calculeted through

(original value - scrap value)/ no of years of use

(500 - 10)/3

= 163 is the annual rate of depreciation

If no scrap value is given, then you will simply divide the value by the no. of years of use

b. annual depreciation = 163

original value = 500

500 - 163(x) = worth of the poster after x years

worth remaining after a certain no. of years is also known as net book value.

Carl brownstein is a golf course groundkeeper whose annual gorss pay is 45,500, he has exemptions of 3000. the state tax on the first 2500 is 1.5% and 3% on amounts over 2,500.

Answers

If Carl Brownstein is a golf course groundskeeper whose annual gross pay is 45,500, and he has exemptions of 3000, and the state tax on the first 2500 is 1.5% and 3% on amounts over 2,500 then the state income tax of Carls is C- 1237.50.

The state income tax of Carls can be calculated as follows;

First, we subtract the exemption of 3000 from the annual gross pay as follows;

45500 - 3000 = 42500

As the percentage tax on the first 2500 is 1.5%, it can be calculated as follows;

1.5/100 × 2500 = 0.015 × 2500 = 37.50

The percentage tax on amounts over 2500 is 3%, therefore we can calculate the tax on the remaining amount as follows;

42500 - 2500 = 40000

3/100 × 40000 = 0.03 × 40000 = 1200

The total state income tax can be calculated by addition;

Tax on the first 2500 + Tax on the amount over 2500

37.50 + 1200 = 1237.50

Hence the state income tax of Carl is calculated to be 1237.50

Although a part of your question is missing, you might be referring to this question:

Carl Brownstein is a golf course groundskeeper whose annual gross pay is 45,500, he has exemptions of 3000. The state tax on the first 2500 is 1.5% and 3% on amounts over 2,500. What is the state income tax of Carl's?

A- 3233

B- 1200

C- 1237.50

D- 1588

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If f(x)=-x^2-1, and g(x)=x+5, then f(g(x)) =

Answers

Answer:

-8x^2+2x+5

Step-by-step explanation:

Distributive Property

Jillian volunteered to work at the ticket booth for her school's Halloween carnival. The chart below gives the number of hours Gwen worked and the total amount of money she collected for the tickets she sold.

Tickets (t) Money (m)
10 $25.00
8 $20.00
6 $15.00
4 $10.00
Based on the table, write an equation for the relation between the number tickets Jillian sold and the amount of money she collected.


t= 2.50mt= 2.50m

t=m2.5t is equal to m over 2 point 5

tm = 25tm = 25

m=25tm is equal to 25 t

Answers

The equation for the relation between the number tickets Jillian sold and the amount of money she collected is m = 2.5t.

How to compute the equation?

It should be noted that there's a constant relationship between the figures that are given.

This can be illustrated as:

= 25/10

= 2.5

Therefore, the equation for the relation between the number tickets Jillian sold and the amount of money she collected is m = 2.5t.

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HELP ME PLEASE!!!
I will give brainlist to whoever helps me!!!!

Answers

Answer: t=15

Step-by-step explanation:

ST=9. BC=3

ST/BC=

9/3=3 ==> with this information, we can conclude that triangle ABC needs to be stretched by a scale factor of 3 in order to become triangle RST.

t=RS

RS=AB*3

RS=5*3

RS=15

t=15

a person leaves home at 8:00 am and drives to a destination at a rate of 40 miles per hour. the person returns at a rate of 25 miles per hour and arrives at 2:30 pm. how far was the destination?

Answers

Answer:

100mi

Step-by-step explanation:

its multiplying matrices

Answers

Answer:

0 -2 -1 1

4 -4 -4 12

-3 1 2 8

Step-by-step explanation:

in that exact order, 3 by 4

Matias compro un litro de leche, utilizo un medio en el desayuno y un cuarto en la merienda ¿Cuanta leche utilizo en qué momento utilizo mas leche? ¿Cuanta leche sobro?

Answers

Answer: Usaste el 75% de la leche y queda el 25%.

Step-by-step explanation:

Fill in the blank to find an equivalent fraction to 8/9 = ?/9

Answers

Answer:

Due to the fact that the denomonator is the same your answer will be 8/9 but if there was a different denominator you would need to find the least common multiple. Dont forget anything you do to the bottom has to be done to the top

Step-by-step explanation:

Hope this helps!!

pls pls help whoever gets it right gets a crown

Answers

Answer:

No Solution

Step-by-step explanation:

0.3(6y+15)=1.8y+4.5

Step 1: Simplify both sides of the equation.

0.3(6y+15)=1.8y+4.5

(0.3)(6y)+(0.3)(15)=1.8y+4.5(Distribute)

1.8y+4.5=1.8y+4.5

Step 2: Subtract 1.8y from both sides.

1.8y+4.5−1.8y=1.8y+4.5−1.8y

0y+4.5=4.5

Step 3: Subtract 4.5 from both sides.

0y+4.5−4.5=4.5−4.5

0y=0

Step 4: Divide both sides by 0.

0y/0 = 0/0

y=0

I really need help on this Math homework

Answers

Answer:

x + 3x + 56 = 180

x + 3x = 124

4x = 124

x = 31

Step-by-step explanation:

A: 31

B: 3(31) = 91

C: 56

Total: 180

A square with side length ppp has an area of 169169169 square centimeters. The following equation shows the area of the square.
p^2 = 169p
2
=169p, squared, equals, 169
What is the side length of the square in centimeters?

Answers

Answer:

Side = 13 cm

Step-by-step explanation:

To find the side of the square:

Area = 169 square cm

   [tex]\sf \boxed{\bf Side = \sqrt{area}}[/tex]

             [tex]\sf = \sqrt{169}\\\\ = \sqrt{13*13}\\\\ =13 \ cm[/tex]

The terms grid, linear, quadrant, zone, and spiral are typically used to describe datum points. True or false?.

Answers

Answer:

False

Step-by-step explanation:

Gen need help pls plsss​

Answers

Answer:

Choice a
y = 2x -5

Step-by-step explanation:

The slope-intercept form of a line is y = mx + b where m is the slope and b the y-intercept

The given line has slope = 2

A parallel line will have slope = 2 also

So the only choice is 2x + 5 which is choice a

Kloe has 24 sunflowers, 16 roses, and 48 white carnations. She wants to make flower arrangements with the same number of each flower. How many flower arrangements can she make? How many of each type of flower is in a flower arrangement?

Answers

Kloe can make 4 flower arrangement

The number of flowers in each flower arrangement is 6 sun flowers, 4 roses and 12 white carnations.

The number of flower arrangements can be calculated as follows;

The first step is to calculate the HCF between the three numbers

24= 6 × 4

16= 4 × 4

48= 12 × 4

The HCF is 4

Hence the number of flower arrangement is 4  and the number of flowers in each flower arrangement is 6 sun flowers, 4 roses and 12 white carnations

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Let f(x)=2 x+5 and g(x)=x²-3 x+2 . Perform each function operation, and then find the domain.
f(x) \cdot g(x)

Answers

The values for f(x).g(x) =  2x² -6x +9

What is the domain of the function f(x). g(x)?

Given:

          f(x)=2 x+5 and g(x)=x²-3 x+2

         (f.g)x = f(g)x)

          g(x) = x²-3 x+2

          f(x²-3 x+2) = 2 (x²-3 x+2) +5

          f(x²-3 x+2) = 2x² -6x +9

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Write each equation in exponential form.
log₂1/2=-1

Answers

The answer to this question is 1/2

Logarithmic scale: A measurement scale in which the position is marked using the logarithm of a value rather than the actual value.

A logarithmic equation includes a logarithm in the variable x.

An exponential equation is one in which the variable is represented by an exponent. A logarithmic equation is one in which the logarithm of a variable-containing expression is used.

For logarithmic equations, log b (x) = y is equivalent to b^y = x such that x > 0, b > 0 and b is not equal to 1.

In the given problem, b = 2, x = 1/2, and y = -1.

b =2

x = 1/2

y = -1

Substituting the values of b, x and y into the equation b^y = x;

2^(-1) = 1/2

therefore, the value of the given equation log₂1/2=1 is 1/2.

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A dozen donuts (12) at the local bakery cost $19.20. At this rate, how much does 1 donut cost?
How much do 7 donuts cost?

Answers

Answer: 1 Donut would be $1.6 and 7 donuts would be $11.2

a) Work out (8 × 10³) × (2 × 10¹) Give your answer in standard form.​

Answers

Answer:

[tex]1.6 \times 10^5[/tex]

Step-by-step explanation:

[tex](8 \times 10^3) \times (2 \times 10^1)\\\to (8 \times 2) \times (10^3 \times 10^1) \text{ / Remember rule: } a^m \times a^n = a^{m + n}\\\to 16 \times 10^{3 + 1}\\\to 16 \times 10^4\\\to 1.6 \times 10 \times 10^4\\\to 1.6 \times 10^{1 + 4}\\\to 1.6 \times 10^5[/tex]

The answer is 1.6 time 10^5

What is an equation of the line that passes
through the point (1, 3) and is parallel to
the line 3x + y = 9?

Answers

Answer: y=-3x+6

Step-by-step explanation:

simplify ax+by=c into slope intercept which is y=mx+b

y=-3x+9.

since slopes are the same in parallel equations, graph the point (1,3) and go up 3, and left 1. the y intercept should be 6. I went left one because it's a negative slope, so in order for the line to be negative, you'd go left, not right.  y= -3x+6

I'm thinking of a number and if I add 3 and divide
by 2, I get -4, what is my number?

Answers

Answer:

x= -11

Step-by-step explanation:

(x+3)/2 = -4

multiply both sides by 2

x+3 = -8

move 3 to other side through subtraction

x = -11

8. Why is "How many continents are there?" not a statistical question? (1 point)
there is only one answer
O the answer is unknown
Othe answer is less than ten
Oeveryone knows the answer

Answers

Answer: The answer is unknown

Step-by-step explanation: 7 continents, so you would only have 1 data.

Find y.
Round to the nearest tenth:
y
x
27°
350 ft
y = [? ]ft

Answers

The value of y or the perpendicular of the is 180 rounded to nearest tenth.

Here we have to use Trigonometry

Trigonometry is basically the study of the relationship between the sides and angles of the right-angle triangle.  Thus , trigonometry helps to find the missing or unknown angles or sides of a right-angle triangle using the trigonometric formulas, functions or trigonometric identities. In trigonometry, the angles can be are generally  measured in degrees

Here we will use Tan α

Tan α = Perpendicular / Base

From the given figure we know that base is given as 350 feet and α is 27°

Tan 27° = y/ 350

0.509 = y / 350

y = 350 × 0.509

y = 178.15

Hence, The value of y or the perpendicular of the is 180 rounded to nearest tenth

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Mr. Lawson needs to borrow 8000 to help pay his son's college tuition. He explored options from several banks. Which option allows Mr. Lawson to pay the smallest amount of interest?

BANK: INTREST RATE: LOAN TERM:
United Bank 4% simple interest. 6 years
Nations First 3.8% simple interest. 7 years
City Credit Union 5.1% simple interest. 4 years
Priority Bank 4.2% simple interest. 5 years.

Answers

Mr. Lawson is to pay the smallest amount of interest that is allowed in the City Credit Union which is a simple interest would be 1632.

What is the simple interest?

Simple interest is defined as interest paid on the original principal and calculated with the following formula:

S.I. = P × R × T, where P = Principal, R = Rate of Interest in % per annum, and T = Time, usually calculated as the number of years. The rate of interest is in percentage r% and is to be written as r/100

To determine the smallest amount of interest.

We have to calculate the simple interest of each bank

United Bank : 4% interest rate and 6 years

S.I. of United Bank = 8000 × 4/100 × 6 = 1920

Nations First :3.8% interest rate and 7 years

S.I. of Nations First = 8000 × 3.8/100 × 7 = 2128

City Credit Union :5.1% interest rate and 4 years

S.I. of City Credit Union = 8000 × 5.1/100 × 4 = 1632

Priority Bank : 4.2%interest rate and 5 years.

S.I. of Priority Bank = 8000 × 4.2/100 × 5 = 1680

So the smallest amount of interest would be City Credit Union which is 1632.

Therefore, Mr. Lawson is to pay the smallest amount of interest that is allowed in the City Credit Union which is a simple interest would be 1632.

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FINANCE
A financial advisor handles the a customer's stock
portfolio. For every transaction, a certain financial advisor
gets a 1% commission, regardless of whether the transaction
is a purchase or sale. Write a formula for the advisor's
commission. Let D represent the value of one transaction.
Give two examples of how this financial advisor could earn a
commision of $1000 by completing two transactions.

Answers

Answer:

whether the transaction

is a purchase or sale. Write a formula for the advisor's

commission. Let D represent the value of one transaction.

Give two examples of how this financial advisor could earn a

commision of $1000

Step-by-step explanation:

Answer:

gove two examples of how this financial advisor could earn a

Step-by-step explanation:

Simplify the expressions, and match the expressions that are equal in value.







arrowBoth

arrowBoth

Answers

By applying the laws of indices to each of the expression, the simplified expressions are matched as follows:

5³ ÷ 5⁻¹ ⇔ 5⁴5⁻⁴ ⇔ 1/5⁴

What is an exponent?

An exponent can be defined as a mathematical operation that is used to raise a quantity to the power of another and it is generally written as bⁿ.

What are the laws of indices?

In Mathematics, laws of indices can be defined as the standard principles and rules that are used for simplifying a mathematical equation or expression that involves powers of the same base.

What is an expression?

An expression can be defined as a mathematical equation which is used to show the relationship existing between two or more variables and numerical quantities.

In order to evaluate an expression, you should apply the PEMDAS rule, where operations within the parenthesis are first of all evaluated, followed by exponent, and then multiplication or division from the left side of the expression to the right. Lastly, the operations of addition or subtraction would be performed from left to right.

By applying the laws of indices to each of the expression, the simplified expressions are as follows:

5³ ÷ 5⁻¹ = 5⁽³ ⁻⁽⁻¹⁾ = 5⁽³ ⁺ ¹⁾ = 5⁴     ⇒ 5³ ÷ 5⁻¹ = 5⁴

5³ × 5⁻¹ = 5⁽³ ⁺ ⁽⁻¹⁾ = 5⁽³ ⁻ ¹⁾ = 5²

a⁻ⁿ = 1/aⁿ ≡ 5⁻⁴ = 1/5⁴

5⁻³ ÷ 5⁻¹ = 5⁽⁻³ ⁻⁽⁻¹⁾ = 5⁽⁻³ ⁺ ¹⁾ = 5⁻²

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Complete Question:

Directions: Drag the tiles to the boxes to form correct pairs. Not all tiles will be used.

Simplify the expressions, and match the expressions that are equal in value.

5³ ÷ 5⁻¹

5³ × 5⁻¹

5⁻⁴

1/5⁴

5⁻³ ÷ 5⁻¹

Paolo purchased a shirt at store A. He paid $19.50 for the shirt. Raoul purchased the same shirt at store B for $22.35.

How much money did Paolo save by purchasing the shirt at store A instead of at store B?

Answers

Answer:

2.85

Step-by-step explanation:

Reason 19.50 - 22.35 = 2.85

I have a test coming up, and I think I will have questions like 7a+5a+4b-b etc. please help!

Answers

Answer:

12a + 3b = no solution

Step-by-step explanation:

You have to add like terms here!

7a + 5a = 12a

12a + 4b - b

4b - b = 3b

And now you're left with 12a and 3b, you can't go any further because 12 a and 3b are not like terms, you cannot add, or subtract them. Which means there is no solution.

I hope this helped :)

Tickets for an Amtrak train cost $17 for children and $36 for adults. Josie paid $2,297 for a total of 77 tickets. How many children tickets and how many adult tickets did Josie buy?

Answers

Adult tickets costs $63.8

Children tickets costs $13.2

How to calculate the amount of adult and children tickets ?

Let x represent the adult tickets and y to represent the cost of children tickets

x + y= 77..........equation 1

36x + 17y= 2,297........equation 2

From equation 1

x= 77-y

Substitute 77-y for x in equation 2

36(77-y) + 17y = 2297

2772 - 36y= 2297

-36y= 2297-2772

-36y= -475

y= 475/36

y= 13.2

Substitute 13.2 for y in equation 1

x + 13.2 = 77

x= 77-13.2
x= 63.8

Hence adult tickets costs $63.8 and children tickets costs $13.2

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Work out the perimeter of a regular octagon with side length 1.7mm. ​

Answers

Answer:

13.6mm

Step-by-step explanation:

1.7mm x 8 sides =

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