The width of a rectangle measures (4.4d-4.3)(4.4d−4.3) centimeters, and its length measures (7.6d+4.7)(7.6d+4.7) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?

Answers

Answer 1

Answer:

Perimeter, P = (24d+0.8) cm

Step-by-step explanation:

Given that,

Width of rectangle, B = (4.4d−4.3) cm

Length, l = (7.6d+4.7)

Perimeter is equal to the sum of all sides. A rectangle have 4 sides. The opposite sides of a rectangle are equal. So,

Perimeter = 2(L+B)

P = 2[(7.6d+4.7)+(4.4d−4.3)]

Collecting like terms

P = 2[(7.6d+4.4d)+(4.7−4.3)]

P=2(12d+0.4)

P = 24d+0.8

So, the expression for the perimeter of the rectangle is (24d+0.8) cm.


Related Questions

Find two numbers with a sum of 65. Twice the smaller number is 10 more than the larger number.

Answers

Answer:

Step-by-step explanation:

Let x be the smaller number. What is the larger number if we know that sum of the two numbers is  

ur answer ?  ur answer

Tell if is: < or > ​

Answers

Answer:

-2>-5

4/7<3/5

-1.3>-1.333333

Step-by-step explanation:

I have a math question g=mB-2qB and I have to solve for B​

Answers

Answer:

[tex]B = \frac{g}{m-2g}[/tex]

Step-by-step explanation:

Given

[tex]g = mB - 2qB[/tex]

Required

Solve for B

[tex]g = mB - 2qB[/tex]

Factorize the expression

[tex]g = B(m - 2q)[/tex]

Divide both sides by m - 2g

[tex]\frac{g}{m-2g} = \frac{B(m - 2q)}{m-2g}[/tex]

[tex]\frac{g}{m-2g} = B[/tex]

Reorder

[tex]B = \frac{g}{m-2g}[/tex]

a colony is a statement far away from the government that rules it true or false ​

Answers

answer: true

explanation :
Yes, a colony is a *settlement* far away from the government that rules them.

The graph of y = –0.2x2 is the graph of y = x2.

Answers

Answer:

the answer is correct, "D"

Step-by-step explanation:

(wider than and opens in the opposite direction of) just took the test, made a 90%

y = -0.2*x^2 is a vertical dilation of scale factor 0.2 followed by a reflection over the x-axis of y = x^2

How to relate these two graphs?

We have two functions:

f(x) = x^2

g(x) = -0.2*x^2

The transformations used are:

Reflection over the x-axis.

For a function f(x), a reflection over the x-axis is written as:

g(x) = -f(x).

Vertical dilation.

For a function f(x), a vertical dilation of scale factor k is written as:

g(x) = k*f(x).

So here we can see that we have a vertical dilation of scale factor 0.2, followed by a reflection over the x-axis.

g(x) = -0.2*f(x).

So, g(x) opens in the opposite direction than f(x), and grows slower (because of the dilation).

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Help me do the ones marked in red.

Answers

Answer:

  2. "two thirds of the fourth power of r"

  4.  n + 14

  6.  7 +11n

  8.  (2/5)n^2

__

  7.  28

  8.  1/5

Step-by-step explanation:

2. "two thirds of the fourth power of r"

__

4. "sum" means the listed items are added. You can use any convenient variable to represent "a number." I often use n for number.

  n + 14

__

6. "7 more than" means 7 is added to whatever follows. "11 times a number" means the number is multiplied by 11.

  7 + 11n

__

8. "of" means "times". The square of a number is that number to the power of 2.

  (2/5)n^2

__

7 & 8 (evaluation). Your calculator can do this. (If not, get one that can.) Note that parentheses are needed around numerators and denominators and anything else that must be treated as a single value.

Using the fact that [tex]a - b = -1(b-a)[/tex] simplify the following: [tex]\frac{3}{1-x} - \frac{2}{x-1}[/tex]

Answers

Answer:

[tex]\frac{5}{1-x}[/tex]

Step-by-step explanation:

Given

[tex]\frac{3}{1-x}[/tex] - [tex]\frac{2}{x-1}[/tex]

= [tex]\frac{3}{1-x}[/tex] - [tex]\frac{2}{-1(1-x)}[/tex]

= [tex]\frac{3}{1-x}[/tex] + [tex]\frac{2}{1-x}[/tex]

= [tex]\frac{5}{1-x}[/tex]

Nela is filling her circular backyard swimming pool. The radius of the pool is 5 feet and the height is 6 feet. Which shows the correct substitution of these values into the formula for the volume of a cylinder?

Answers

Answer:

V=[tex]\pi[/tex]5^2*6

Step-by-step explanation:

If this makes it a little easier to read:

V = [tex]\pi[/tex] * 5^2 * 6

This is the answer when you solve it btw:

471.24

Also, who buys a swimming pool in the shape of a cylinder?

The volume of the cylinder is 471 square feet.

Given,

Nela is filling her circular backyard swimming pool.

The radius of the pool is 5 feet and the height is 6 feet.

We need to find the volume of the cylinder.

What is the volume of a cylinder?

It is given by:

V =  [tex]\pi[/tex] r² h.

Find the volume of the cylinder

V =  [tex]\pi[/tex] r² h

We have,

h = 6 feet and r = 5 feet

V = 3.14 x 5² x 6

V = 3.14 x 25 x 6

V = 471 square feet.

Thus the volume of the cylinder is 471 square feet.

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Tina has 1/2 of a pan of cornbread left from a dinner party. She eats 1/2 of the leftover part the next night. How much of the whole pan does tina eat? Write and solve this equation

Answers

Answer:

Tina ate 3/4 of the whole pan of cornbread.

Step-by-step explanation:

Let the amount of cornbread in the initial pan be x.

After the dinner party, Tina has 1/2 of x left; That is 1/2x

If she eats 1/2 of the leftover, that will be 1/2 of 1/2x that is eaten. This will be 1/4x that is eaten.

To find the potion of the whole pan that Tina ate, we will add the potion she ate during the party to the portion of the leftover she ate the next night.

That will be 1/2x + 1/4x =3/4x

Therefore, Tina ate 3/4 of the whole pan of cornbread.

find value of (-1/2)∧-6

Answers

Answer:

64.

Step-by-step explanation:

(-1/2)∧-6

= 1 / (-1/2)^6

= 1 / 1/64

= 64.

A rectangular prism has a volume of 170 cubic centimeters. The length of the prism is 5 centimeters, and the height of the prism is 17 centimeters. What is the width of the prism. Enter the answer in the box .

Answers

Answer:

The width of the prism is 2 cm

Step-by-step explanation:

The given parameters are;

The volume of the prism = 170 cm³

The length of the prism = 5 cm

The height of the prism = 17 cm

The volume of the prism is given by the  relationship v = Length, l × Height, h × Width, w

Therefore;

The volume of the prism = 5 cm × 17 cm × w = 170 cm³

Which gives;

w = 170 cm³/(5 cm × 17 cm) = 170 cm³/(85 cm) = 2 cm

∴ The width of the prism = 2 cm.

The width of the prism is 2cm given length of the prism is 5 centimeters, and the height of the prism is 17 centimeter.

The formula for calculating the volume of a rectangular prism is expressed as:

V = LWH where:

L is the lengthW is the widthH is the height

Given the following:

V = 170cm³

L = 5cm

H = 17cm

Required

Width

Substitute the given values into the formula:

170 = 5 * 17 * W

170 = 85W

W = 170/85

W = 2cm

Hence the width of the prism is 2cm

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5x
2x
7x
4x
Equation
X=

Answers

Answer:

look this for the solution

Kyle is installing new baseboards and carpet in his rectangular living room. He measured the length as 24.25 feet and the width as 16.4 feet. Select Yes or No for each statement.

Answers

Answer:

answer is yes,yes, no

Step-by-step explanation:

The area of the rectangular carpet is equivalent to 397.7 ft².

What is the area of rectangle? What is equation modelling? What is a mathematical equation and expression?The area of a rectangle is equivalent to -

        Area = Length x Breadth

        [A] = [L] x [B]

Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions.

Given is that the length of the carpet is 24.25 feet and the width is 16.4 feet.

The area of the rectangle is equivalent to -

A = L x B

A = 24.25 x 16.4

A = 397.7 ft²

Therefore, the area of the rectangular carpet is equivalent to 397.7 ft².

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Solve the following equation for X... -3x + 12 = 24​

Answers

Answer:

the answer is -4

Step-by-step explanation:

-3x+12=24

     -12 -12

-----------------

     -3x=12

     12 divided by-3= -4

x= -4

Answer:

x=-4

Step-by-step explanation:

move the constant

-3x=24-12

-3x=12

divide both side by -3

ANSWER=-4

20. Rolando drives at least 40 miles but less than 60 miles each week.
Part A. Write and then graph the compound inequality representing all of the possible distances Rolando could
drive for 8 weeks. (7 points)

Answers

Answer:

Step-by-step explanation:

60 miles

Dr. Ames earns an annual salary of $265,000. If social security is 8% of your income, then how much will Dr. Ames pay each year in social security? $13,250 $21,200 $15,900 $18,40063

Answers

Answer:

The correct answer is b.

Step-by-step explanation:

Giving the following information:

Annual salary= $265,000

Social security is 8% of his income.

To calculate the annual expending on social security, all we have to do is multiply the annual salary for the expend percentage.

Annual expense= 265,000*0.08

Annual expense= $21,200

there were 8 lunchboxes on the first table.there were 6 lunchboxes on the second table. how many more lunchboxes were on the first table then on the second table?​

Answers

Answer:

2 lunchboxes more.

Step-by-step explanation:

Its 2 lunchboxes more as the question asked how many MORE lunchboxes the first table has then the second table so its bassically 8 - 6 = 2

Did you know that chickens sometimes eat vegetables and fruits? A farmer likes to give the chickens apples to share. The farmer observes that 3 chickens eat 5 apples. What is the ratio of the number of chickens to apples? 5:2 5:3 2:5 3:5

Answers

Answer:

3:5

Step-by-step explanation:

Answer:

its 3:5

Step-by-step explanation:

list the numbers in order from greatest to least -1. 7, -15, -7, 2, 1

Answers

7,2,1,-1,-7,-15 that’s greatest to least

Please help and show work! Simplify each expression!




-7y - (-12y) =



15xy- (-6xy) =



-53va - 32va



Answer the expressions and show work please!



64 / 0.8 -5.6 / 7 =



Use the distributive property to simplify the expression. Show work!



-(x -3) + 6 =



Use order of operations to evaluate the expression.



Show work please!



6 + 3 (9) =



Evaluate the expressions if x = 10, y = 5, and z = 1.


x/y =



xy + z



5 (z - x)



Please answer all of these questions correctly and show work! I really need this! I'm putting 50 points and I'll choose brainliest!

Answers

Answer:

See below

Step-by-step explanation:

-7y - (-12y) =  -7y + 12y = (-7+12)y = 5y  15xy- (-6xy) =  15xy + 6xy = (15+6)xy = 21xy-53va - 32va  = (-53 -32)va = - 85va64 / 0.8 - 5.6 / 7 = 640/8 - 56/7×1/10 = 80 - 8/10 = 80 - 0.8 = 79.2-(x -3) + 6 = -x + 3 + 6 = -x + 96 + 3 (9) = 6 + 27 = 33

Evaluate the expressions if x = 10, y = 5, and z = 1.

x/y =  10/5 = 2xy + z  = 10×5 + 1 = 50 + 1 = 515 (z - x) = 5×(1 - 10) = 5×(-9) = -45

Answer:

see below

Step-by-step explanation:

⇒  -7y - (-12y) = -7y + 12y =  5y

⇒  15xy - (-6xy) = 15xy + 6xy = 21xy

⇒  -53va - 32va =    - 85av

⇒  64 / 0.8 -5.6 / 7

   = 448 - 7.48

          5*6

    = 79.2

⇒    -(x -3) + 6

   = -x + 3 + 6

   = -x + 9

⇒  6 + 3 (9)

   = 6 + 27

   = 33

Evaluate the expressions if x = 10, y = 5, and z = 1.

⇒  x/y = 10 / 5 = 2

⇒  xy + z = 10*5 + 1 = 51

⇒  5 (z - x) = 5(1 - 10) = 5 - 50 = 45

A girl is twice as old as her sister. Five years hence, the product of their ages (in years) will be 375. Find their present ages. A girl is twice as old as her sister. Five years hence, the product of their ages (in years) will be 375. Find their present ages.

Answers

Answer: girls=20, sister=10

Step-by-step explanation:

Let x = the girl's sister's age (present)

Let 2x= the girl's age (present)

-------------------------------------------------------------

According to the question

(x+5)(2x+5)=375

Expand parentheses by FOIL (First Outer Inner Last)

2x²+5x+10x+25=375

Combine like term (5x and 10x)

2x²+15x+25=375

Subtract 375 on both sides

2x²+15x+25-375=375-375

2x²+15x-350=0

Find the factors (cross factor)

(x-10)(x+17.5)=0

x=10 or x=-17.5 (rej) ⇔ the age can't be negative

the girl's age is 20, and her sister's age is 10.

2 ABC Company has a large piece of equipment
that cost $85,600 when it was first purchased 6
years ago. The current value of the equipment is
$30,400. What is the average depreciation of the
equipment per year?
F. $ 5,800
G. $ 9,200
H. $15,200
J. $27,600
K. $42,800

Answers

Answer:5,800

Step-by-step explanation:

The average depreciation of the equipment per year is $9200.

What is depreciation?

The monetary value of an asset decreases over time due to use, wear and tear or obsolescence, this is called as depreciation.

Now it is given that,

Cost of the equipment = $85,600

current value of the equipment is given as $30,400

Duration for which the equipment was used = 6 years

Now the depreciation of the equipment is given as,

Total depreciation in the price of the equipment

                       = Cost of the equipment - current price of the equipment

So, total depreciation = $85,600 - $30,400 = $55,200

Now,

Average yearly depreciation = Total depreciation ÷ Years used

Average depreciation = 55,200/6

⇒Average depreciation = $9200

Therefore, average depreciation of the equipment per year is $9200.

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(6 + 8x)8
help pls don’t kno the answer

Answers

Answer:

8(6+8x)= 48+ 64x

hope this helps uh

8(8x+6)=64x+48
Explanations:

Which of the folloving statements is the most precise and corred to define perpendicular lines?

Answers

Answer:C

Step-by-step explanation:

soolve the abslut value of |2x-1|=3

Answers

Answer: x = 2 or x = -1

Step-by-step explanation: When you are solving an absolute value equation, you can split the problem up into two separate equations.

The first equation will look just like the original problem,

except for the absolute value signs (2x - 1 = 3).

The second equation will look just like the first,

but the right side will be changed to a negative (2x - 1 = -3).

Now solve each equation from here to get x = 2 or x = -1

5. Which of the following describe the transformation rule (x, y) – (x + 1, - 2)
Move left two, down one
Move right one, down two
Move right two, down one
Move left two, up one

Answers

Answer:

shift to the right 1 unit, shift down 2 units

Step-by-step explanation:

because x+1 which mean shift to the right 1 unit as +1 is positive

down 2 because y is -2 as well as shift down 2 units

Find the value of x.

A pair of intersecting lines is shown. The angle above the point of intersection is labeled left parenthesis 7 x minus 8 right parenthesis degrees. The angle directly opposite below the point of intersection is labeled left parenthesis 6 x plus 11 right parenthesis degrees.

A. –19

B. 125

C. 19

D. 55

Answers

The answer I think is -19 because of the intercepting lines

The value of x is 19. Therefore, option C is the correct answer.

From the given figure, the two angles are (7x-8)° and (6x+11)°.

What is the vertical angle theorem?

Vertical angles are a pair of non-adjacent angles formed by the intersection of two straight lines. In simple words, vertical angles are located across from one another in the corners of the "X" formed by two straight lines. They are also called vertically opposite angles as they are situated opposite to each other.

Now, (7x-8)° = (6x+11)° (Vertically opposite angles are equal)

⇒ 7x-6x = 11+8

⇒ x = 19°

The value of x is 19. Therefore, option C is the correct answer.

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Select the correct answer. Which statement about an electromagnet is true? A. It doesn’t function without a source of current. B. The core is made from a nonmagnetic material. C. It uses moving magnets to create an electric field. D. It creates a permanent and strong magnetic field.

Answers

Answer:I’m going to say it’s A I apologize if it’s wrong

Step-by-step explanation:

Magnets are magnetic fields that compares together when attracted close to one another so that’s Why I’m choosing A because it’s close to what I think

How could you prove that a number is divisible by 16? Use the space below to test your hypothesis using the numbers 144 & 256. Explain your new rule.

Answers

Answer:

We factor the number 16 into prime numbers to get their factors.

We do the same with any given number. Only if it has the same factor as 16 that numberwill be divisible by 16

Both numbers proposed (144&256) are divisible by 16

Step-by-step explanation:

To prove it we need to factor the number 16 to get their expression in prime numbers:

16     2

 8    2

 4    2

 2    2

 1

16 is equal to [tex]2^{4}[/tex]

We have to factor a number and if their factor include [tex]2^{4}[/tex] or a higher power

then, they are divisible by 16

144        2

 72       2

 36       2

 18        2

   9       3

   3       3

   1

144 is queal to:  [tex]2^4 . 3^2[/tex] as it does have [tex]2^4[/tex] It is divisible by 16

256         2

128          2

  64        2

  32        2

   16        2

    8        2

    4        2

    2        2

    1

256 is equal to [tex]2^8[/tex] This contains [tex]2^4[/tex] as [tex]2^8 = 2^4 . 2^4[/tex]

therefore it is divisible by 16

quadrilateral A can be rotated into position of quadrilateral B. Estimate the angle of rotation​

Answers

Answer:

The angle of rotation is 120°

Step-by-step explanation:

The given quadrilateral A can be taken as being upright form, however, by measurement, using a protractor application, the base of the quadrilateral is inclined at an angle of 13° to the horizontal, the positive direction of the x-axis, before rotation while the base of the B which is the image of A after rotation, is found to be at angle of 133° to the positive direction of the horizontal x-axis

Therefore, the angle of rotation = 133° - 13° = 120°

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