9(x + y) = 9x + 9y what algebraic property is that

Answers

Answer 1

Answer:

its a desperctive property

Step-by-step explanation:


Related Questions

Jim wants to put a wallpaper border around a rectangular room.The room measures 14 feet by 10 feet. If the wallpaper border comes in stripes that are 20 feet long, how many strips will Jim need?

Answers

Answer: He needs 3 stripes.

Final answer:

To cover the perimeter of a 14 feet by 10 feet room, Jim will need 3 strips of wallpaper border as the total perimeter is 48 feet and each wallpaper strip is 20 feet long.

Explanation:

To determine how many strips of wallpaper border Jim will need for his rectangular room, we need to calculate the total perimeter of the room. The formula for the perimeter of a rectangle is:

Perimeter = 2 × (Length + Width)

For Jim's room:

Perimeter = 2 × (14 feet + 10 feet)

Perimeter = 2 × 24 feet

Perimeter = 48 feet

Now, we know each strip of wallpaper is 20 feet long, so we divide the total perimeter by the length of one strip:

Number of strips needed = Total Perimeter ÷ Length of one strip

Number of strips needed = 48 feet ÷ 20 feet

Number of strips needed = 2.4

Since Jim cannot purchase a fraction of a strip, he will need to buy 3 strips of wallpaper border to cover the entire perimeter of his room.

Note: It's assumed that there's no significant wastage when the wallpaper strips are applied, and the strips are used efficiently.

Mr.quick bought a new computer system.Regular price was 1580,but he got a 15% discount how much did he pay

Answers

Answer:

  $1343

Step-by-step explanation:

After subtracting 15% from 100% of the original price, the price Mr. Quick paid is 85% of the original price.

  0.85 × 1580 = 1343

Mr. Quick paid 1343 for his computer.

Megan buys all 40 pounds of the farmers tomatoes. She then buys the remaining vegetables according to the ideal ratios shown above. How many pounds of onions and broccoli does Megan buy from the farmer?

Answers

Answer:

40 pounds

Step-by-step explanation:

I see no ratios shown above so I guessed

Charlie wants to split his bonus of 4,206 so that he will be able to enjoy it throughout the year.how much money should he permit himself to spend the same amount each month

Answers

the answer is 350.50, the 4th answer

Hardy is packing his book collection into a box. Each book measures 4in by 6in by 1 inch. The box he uses measures 24in by 24in by 8 inches.

1. If Hardy fills the box completely, what is the greatest number of books that fit into the box?
2. If Hardy fills the box completely with the least number of layers, there will be (blank) books on the bottom layer.
3. To fill the box completely, Hardy places 8 layers of books in the box. There are (blank) books in each layer.

Thank you so much for help! Just a mom who hates volume trying to help her kid with volume.

Answers

Answer:

1. 192 books.

2. 96 books.

3. 24 books.

Step-by-step explanation:

1. Let's find the volume of each book and the volume of the box, this way:

Volume of a book = 4 * 6 * 1 = 24 inches ³

Volume of the box = 24 * 24 * 8 = 4,608 inches ³

2. If Hardy fills the box completely, what is the greatest number of books that fit into the box?

Greatest number of books = Volume of the box/Volume of a book

Greatest number of books = 4,608/24

Greatest number of books = 192

3. If Hardy fills the box completely with the least number of layers, there will be (blank) books on the bottom layer.

The height of the box is 8 inches, so it can only can hold 2 or 8 layers of books, since the books are 4 * 6 * 1 inches.

Greatest number of layers = Height of the box/Width of a book

Greatest number of layers = 8/1 = 8

Minimum number of layers = Height of the box/Height of a book

Minimum number of layers = 8/4 = 2

Upon saying that, we have:

Number of books per layer = Greatest number of books/Minimum number of layers

Number of books per layer = 192/2 = 96

4. To fill the box completely, Hardy places 8 layers of books in the box. There are (blank) books in each layer.

Number of books per layer = Greatest number of books/Number of layers

Number of books per layer = 192/8

Number of books per layer = 24

Write an equation for the word sentence. The product of the number of songs and $0.99
is $7.92.​

Answers

Answer:

N(number of songs) times 0.99 equals to 7.92. N×0.99=7.92

n= number of songs

product=*

n*0.99=7.92

if you need the answer it would be 6.93

If f(x)=47x-55, then f(f^-1(x))=? Please help!!

Answers

Explanation:

For reasons unknown, Brainly gets bent by the use of "f(x)". So, an appropriate answer cannot be posted as text. I have posted it as attached pictures.

Final answer:

The expression f(f^-1(x)) represents the composition of a function and its inverse, which always returns the original input x.

Explanation:

The expression f(f^-1(x)) involves the composition of a function and its inverse. A function composed with its inverse will always yield the original input, this property is fundamental in the concept of inverse functions. So f(f^-1(x)) will equal x in all and every case.

The reason why this is the case can be visualized by the definition of an inverse function. Given a function f(x), the inverse function f^-1(x), by definition, undoes the operation of f(x). This means that, if we apply f(x) and then apply f^-1(x), we will come back to our starting point.

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A stop sign that is 7 feet tall casts a shadow that is 8 feet long. Find the length of the shadow casted by a nearby 63-foot tall building.

Answers

Answer:

72 feet is the answer. The shadow of the 63 ft tower.

To find the shadow length of a 63-foot building given a 7-foot stop sign's 8-foot shadow, a proportion is used, resulting in a shadow length of 72 feet.

A student asked how to find the length of the shadow cast by a 63-foot tall building given that a 7-foot tall stop sign casts an 8-foot long shadow. This problem can be solved using simple proportions since the ratio of the height of an object to the length of its shadow is constant when the sun's angle is constant. The proportion is as follows: height of stop sign / length of stop sign's shadow = height of building / length of building's shadow. Plugging in the numbers: 7 / 8 = 63 / x, where x is the length of the building's shadow. Solving for x, we find that x = 8 * 63 / 7 = 72. Therefore, the length of the shadow cast by the 63-foot tall building is 72 feet.

Which function is the inverse of y=x-6?

Answers

Answer:

Step-by-step explanation:

y = x - 6

to find the inverse, switch x and y and solve for y

x = y - 6

x + 6 = y...rearrange

y = x + 6 <== ur inverse

Final answer:

The inverse of the equation y = x - 6 is achieved by swapping x and y and then solving for y. This results in the equation y = x + 6, which is the inverse function.

Explanation:

The function that is the inverse of y = x - 6 can be found by switching the x and y in the equation, then solving for y. By performing this operation:

1. Switch x and y: x = y - 6

2. Solve for y: y = x + 6

Therefore, the inverse function of y = x - 6 is y = x + 6.

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the area of a triangle
h=8cm
b=14cm

Answers

Answer:

56cm^2

Step-by-step explanation:

The area of triangle is found by multiplying height to the base and that divided by two

(h × b)÷2 ➡ (8×14)÷2 = 56

What fraction of an hour is 50 minutes

Answers

Answer: 5/6

Step-by-step explanation:

All we need do is to try to change 50 minutes to hour.

Remember that 60 minutes make 1 hour , so we need to find 50 minutes out of 1 hour , that is 50 minutes out of 60 minutes. Which is 50/60. Therefore:

50 minutes is 50/60 fraction of an hour

50/ 60 is the same as 5/6 in reduced form

Answer:

Step-by-step explanation:

1hour is 60minutes

= 50/60

= 5/6

An index has a length of 7 cm and width of 4 cm. What it’s perimeter?

Answers

Answer:

22

Step-by-step explanation:

7+7+4+4=22

what is the missing number 12×1= 12+W​

Answers

W = 0
Twelve times one is 12 so 12+w has to equal 12

The value of W is 0.

Expression

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which is dependent on the context.

for example, a+23 = 105, a²+b²+10a =100, etc.

Given to us,

12×1= 12+W​

To find

W = ?

solving the expression further,

[tex]12\times 1= 12+W\\12 = 12+W\\12-12 = W\\W =0[/tex]

Hence, the value of W is 0.

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Do these rates form a proportion?
21 miles in 6hours and 14.3 miles in 3 hours

Answers

Answer:

These rates DO NOT  form a proportion.

Step-by-step explanation:

Two quantities P and Q are said to be in proportion is and only if:

[tex]\frac{P}{Q} = k[/tex]  for all values of P and Q.

here, k = Proportionality Constant.

Case 1: when P =  21 miles , Q  = 6 hours

[tex]\frac{P}{Q} = \frac{21}{6} = 3.5[/tex]

⇒  k 1 = 3.5

Case 2: when P =  14.3 miles , Q  = 3 hours

[tex]\frac{P}{Q} = \frac{14.3}{3} = 4.76[/tex]

⇒  k 2 = 4.76

As we can see in both the cases, k 1 ≠ k 2

Hence, P is NOT PROPORTIONAL to Q.

So, these rates DO NOT  form a proportion.

2 3/4+3 5/8 simplified

Answers

[tex]2\frac{3}{4}+3 \frac{5}{8}=6\frac{3}{8}[/tex]

Solution:

Given expression is [tex]2\frac{3}{4}+3 \frac{5}{8}[/tex].

To simplify the expression [tex]2\frac{3}{4}+3 \frac{5}{8}.[/tex]

Let us first convert the mixed fraction into improper fraction.

[tex]2\frac{3}{4}+3 \frac{5}{8}=\frac{(2\times 4) + 3}{4}+ \frac{(3 \times 8)+5}{8}[/tex]

            [tex]=\frac{8+ 3}{4}+ \frac{24+5}{8}[/tex]

            [tex]=\frac{11}{4}+ \frac{29}{8}[/tex]

Take LCM for the denominators (LCM of 4, 8 = 8) and make the same.

            [tex]=\frac{11\times2}{4\times 2}+ \frac{29\times1}{8\times1}[/tex]

            [tex]=\frac{22}{8}+ \frac{29}{8}[/tex]

            [tex]=\frac{51}{8}[/tex]

Now, divide 51 by 8 and again write it in the mixed fraction.

             [tex]=6\frac{3}{8}[/tex]

[tex]2\frac{3}{4}+3 \frac{5}{8}=6\frac{3}{8}[/tex]

Hence, the simplified answer is [tex]6\frac{3}{8}[/tex].

What is the volume of this square pyramid?



384 cm³
288 cm³
192 cm³
96 cm³

Answers

V = Abxh/3 = (12cmx12cm)x8cm/3 = 144cm²x8cm/3 = 384 cm³

Answer:

384 cm³

Step-by-step explanation:

Volume = a^2(h/3)

a = base edge = 12 cm

h = height of pyramid = 8 cm

Volume = 12^2*(8/3)

Volume = 144*(8/3)

Volume = 48*8

Volume = 384 cm³

How do I find the area

Answers

Answer:

73.12 yd²

Step-by-step explanation:

Find the triangle first

A=½bh

a=½×12×8

a=6×8

a=48->triangle

semicircle=

a=½×pi×r²

a=½×3.14×4²

a=½×3.14×16

a=8×3.14

a=25.12

add these two

48+25.12=73.12 yd²

You multiply 12 by 8 and you get 96, did I help?????

234+(+564-543)cevabı kaçtır

Answers

Answer:

255

Step-by-step explanation:

234+(564-543)

234+(21)

234+21

255

PLEASE ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

D

Step-by-step explanation:

Given the equation y = 3x - 9

Check each of the given equations

A

y = 3(x - 9) ← distribute

   = 3x - 27 ≠ 3x - 9 ← False

B

y = [tex]\frac{1}{3}[/tex](x - 3) ← distribute

   = [tex]\frac{1}{3}[/tex] x - 1 ≠ 3x - 9 ← False

C

y = [tex]\frac{1}{3}[/tex](x - 27) ← distribute

  = [tex]\frac{1}{3}[/tex] x - 9 ≠ 3x - 9 ← False

D

y = 3(x - 3) ← distribute

  = 3x - 9 ← True

The answer is going to be D

Mike has a recipe that feeds one person that calls for 3/8 teaspoon of salt. How much salt is needed to make the recipe if he needs to cook the recipe for 8 people? a. 3/64 teaspoon c. 24/64 teaspoon b. 1 3/8 teaspoons d. 3 teaspoons

Answers

Answer:

3 teaspoons of salt is needed to cook the recipe for 8 people.

The correct option is d. 3 teaspoons.

Step-by-step explanation:

Given:

Mike has a recipe that feeds one person that calls for 3/8 teaspoon of salt.

Now, to find the quantity of salt is needed to cook the recipe for 8 people.

As, given the unit rate is:

[tex]\frac{3}{8}[/tex]  teaspoon salt per person.

So, to get the salt needed to cook for 8 people we multiply 8 by [tex]\frac{3}{8}[/tex]  :

[tex]8\times \frac{3}{8}[/tex]

[tex]=\frac{24}{8}[/tex]

[tex]=3\ teaspoons.[/tex]

Therefore, 3 teaspoons of salt is needed to cook the recipe for 8 people.

The correct option is d. 3 teaspoons.

the rent is 7.50

write an algebra expression to represent the cost to rent a luxury car for x days

Answers

Answer:

Step-by-step explanation:

Rent cost 7.50

For x days the rent to pay = 7.50×n

= 7.50n

Andre and Elena are reading the same book over the summer.. Andre says he has read 1/5 of the book. Elena says she has read 20 more pages than Andre. If Elena is on page 55, how many pages are in the book?

Answers

There are 175 pages in the book.

Step-by-step explanation:

Given,

Pages read by Elena = 55 pages

Let,

x be the number of pages of book.

Pages read by Andre = [tex]\frac{1}{5}\ of\ total\ pages = \frac{1}{5}x[/tex]

As Elena has read 20 more pages than Andre, therefore,

[tex]\frac{1}{5}x+20=55\\\\\frac{1}{5}x=55-20\\\\\frac{1}{5}x=35[/tex]

Multiplying both sides by 5

[tex]5*\frac{1}{5}x=35*5\\\\x=175[/tex]

There are 175 pages in the book.

Keywords: fraction, variable

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Solve for 6x+4(3)=8(x+4)-2

Answers

Answer: x = -9

Step-by-step explanation: 6x + 4(3) = 8( x + 4) -2

0pen brackets and collect like terms,

6x + 12 = 8x + 32 -2

collect the like term

6x + 12 = 8x + 32  -2

6x -8x = 32 -2 - 12

-2x = 18, divide through by  -2

Therefore x = -9

Need help ASAP please and thank you

Answers

Answer:

Step-by-step explanation:

x

Use a table of values to graph the equation.

x

y

2

(

2

)

1

y

0

z

1

(

1

)

2

y

y

2

(

2

)

1

y

0

z

1

(

1

)

2

y

Triangle WXY has the interior and exterior angles shown below.

Triangle X W Y. Angle W is (2 x minus 13) degrees and angle Y is x degrees. The exterior angle to angle X is 122 degrees.

What is Measure of angle W?
45 degrees
58 degrees
68 degrees
77 degrees

Answers

Answer:

The correct option is last one  77 degrees.

Therefore the measure angle W is 77 degrees.

Step-by-step explanation:

Given:

Exterior angle = 122°

∠W = (2x-13)°

∠Y= x°

To Find:

∠W = (2x-13)° = ?

Solution:

Exterior Angle Property:

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

Angle W and Angle Y are the interior angles of Exterior angle 122°.

∴ [tex]Exterior\ angle=m\angle W+m\angle Y[/tex]

Substituting the values we get

[tex]122=2x-13+x\\3x=135\\\\x=\dfrac{135}{3}=45\\\\x=45[/tex]

Now Substitute 'x' in angle W we get

[tex]m\angle W=2\times 45 -13=77\°[/tex]

Therefore the measure angle W is 77 degrees.

Answer:

77 is the answer

Step-by-step explanation:

Subtract (6x-2)-(-x+5)

Answers

Answer:

7x-7

Step-by-step explanation:

6x-(-x) double negative --> add

7x

-2-5= -7

Answer:

7x-7

Step-by-step explanation:

Let's simplify step-by-step.

6x−2−(−x+5)

Distribute the Negative Sign:

=6x−2+−1(−x+5)

=6x+−2+−1(−x)+(−1)(5)

=6x+−2+x+−5

Combine Like Terms:

=6x+−2+x+−5

=(6x+x)+(−2+−5)

=7x+−7

Solve the 2 step equation 3x+3=15

Answers

Subtract the entire equation by 3: 3x = 12

Lastly, divide by 3 to get x alone: x = 4

Answer: 4

Step-by-step explanation:

3x+3=15

    -3 -3

3x    12

3      3

x= 4

If p(x) = x2 - 1 and q(x) = 5(x-1), which expression is equivalent to (p-q)(x)?

Answers

Answer:

x² - 5x + 4

Step-by-step explanation:

Note that (p - q)(x) = p(x) - q(x)

p(x) - q(x)

= x² - 1 - 5(x - 1) ← distribute

= x² - 1 - 5x + 5 ← collect like terms

= x² - 5x + 4

The following stem and leaf plot shows the number of students at the local recreational center each day at 4 PM.
A stem and leaf plot is shown.
Which data set is represented by this plot?
A.0, 2, 2, 2, 2, 2, 4, 5, 5, 6, 6, 6, 6, 9

B.16, 22, 25, 26, 34, 35, 39, 42, 50, 72

C.16, 22, 22, 25, 26, 26, 26, 34, 35, 39, 42, 42, 50, 72

D.5, 22, 22, 24, 24, 27, 43, 52, 53, 61, 62, 62, 62, 93

Answers

Answer:

A

Step-by-step explanation:

By leaf plot...

Answer: Choice C16, 22, 22, 25, 26, 26, 26, 34, 35, 39, 42, 42, 50, 72

==============================================================

Explanation:

The first row has a stem of 1 and a leaf of 6. The stem and leaf combines to 16. For this problem, the stem will always be the tens digit while the leaf values will be the units digit. If there are multiple leaves for a given row, then we use the same stem value.

In row 2, we have "2" as the stem and multiple leaves. The first three leaves for this row are {2, 2, 5}. They pair up with the stem to form the values 22, 22, 25.

So far the data set is 16, 22, 22, 25. Only choice C has this sequence of values at the start of it. Choice B comes close, but it does not have a second copy of 22. So we cross choice B off the list. Choice D is off the list because the first value '5' is not represented on the stem and leaf plot (the stem would be 0 to represent the value 05 which is just 5). Choice A is false for similar reasons.

Find the equation of the line that passes through the point (-1, 2) and that has a
slope of 4.
Oy=2x-1
Oy=-1*+6
Oy= 4x+6
Oy=12-1

Answers

Answer:

y = 4x + 6

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 4, thus

y = 4x + c ← is the partial equation

To find c substitute (- 1, 2) into the partial equation

2 = - 4 + c ⇒ c = 2 + 4 = 6

y = 4x + 6 ← equation of line

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