A rectangular room is
4
times as long as it is wide, and its perimeter is
50
meters. Find the dimension of the room.

Answers

Answer 1

The width of the room is 5 meters and its length is 20 meters.

What is the formula for the Perimeter of Rectangle?

A rectangle is a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.

The Perimeter of rectangle is -

P = 2(x + y)

The Area of rectangle is -

A = xy

We can write -

P = 2x + 2y

Py = 2xy + 2y²

Py = 2A + 2y²

2y² - Py + 2A = 0

y = ± (P² - 16A)/4

Given is a rectangular room is 4 times as long as it is wide. Its perimeter is 50.

Perimeter of the room -

2(x + y) = 50

and

x = 4y

Then, the perimeter of the room -

2(x + y) = 50

2(5y) = 50

5y = 25

y = 5 m

Then -

x = 20 m

Hence, the width of the room is 5 meters and its length is 20 meters.

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Related Questions

WILL GIVE BRAINLIEST

WILL GIVE BRAINLIEST

Answers

Answer:

Step-by-step explanation:

B, C, and D

WILL GIVE BRAINLIEST

An odometer show that a car has traveled 40,000 miles by January 1, 2020. The car travels 16,000 miles each year. Write an equation that represents the number y of miles on the car’s odometer x years after 2020.

y = __

Answers

The equation will be  \(y=40000+16000*x\)

How do you resolve a two-variable equation?

Solve one of the equations for a particular variable. After that, insert that into the other equation and find the variable there. To find the value for the other variable, enter that value into either equation.

Two variables are used in what kind of equation?

Equations come in two varieties: identities and conditional equations. All possible values of the variables result in an identity. Only certain combinations of the variables' values make a conditional equation true. Two expressions joined by the equals symbol ("=") form an equation.

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Use the histogram to answer the following questions.
Frequency
The frequency of the class 90-93 is
The frequency of the class 94-97 is
This means that a total of
5.5
5
4.5
Your answers should be exact numerical values.
The frequency of the class 86-89 is
86
94
90
Duration of Dormancy (minutes)
dormancy periods were recorded.

Answers

The frequency of the class 86-89 is 1/3.The frequency of the class 90-93 is 2/5.The frequency of the class 94-97 is 4/15.This means that a total of 15 dormancy periods were recorded.

How to calculate a probability?

The parameters that are needed to calculate a probability are listed as follows:

Number of desired outcomes in the context of a problem or experiment.Number of total outcomes in the context of a problem or experiment.

Then the probability is calculated as the division of the number of desired outcomes by the number of total outcomes, hence it is the same as a relative frequency.

The total number of periods is given as follows:

5 + 6 + 4 = 15.

The frequency of each class is given as follows:

86 - 89: 5/15 = 1/3.90 - 93: 6/15 = 2/5.94 - 97: 4/15.

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Use the histogram to answer the following questions.FrequencyThe frequency of the class 90-93 isThe frequency

here
i need help with this​

herei need help with this

Answers

Answer:

i cant see the whole problem

Step-by-step explanation:

Which statement correctly describes the relationship between the graph of f(x) and the graph of g(x)=f(x)−4?



The graph of g(x) is the graph of​​ ​f(x)​ translated 4 units down.

The graph of g(x) is the graph of ​f(x)​ translated 4 units right.

The graph of g(x) is the graph of ​​f(x)​ translated 4 units up.

The graph of g(x) is the graph of f(x) translated 4 units left.

Answers

Answer:

The graph of g(x) is the graph of​​ ​f(x)​ translated 4 units down.

Explanation:

Given the function f(x) and g(x) = f(x)-4

This means that the function g(x) is 4 less than the function g(x) i.e the function g(x) is reduced by 4. Since the negative values on a graph are located from the origin down the negative y axis and towards the negative x axis, we can conclude that the graph g(x) translated 4 units down. of f(x). This is translated along the y axis because the function g(x) serves as the output for all values on input variable x.

The g(x) can be written as a function of y i.e we can rewrite it as y = f(x)-4.

Hence the correct option is The graph of g(x) is the graph of​​ ​f(x)​ translated 4 units down.

Carmen plans to buy a used truck by paying a $2000 down payment and financing the
remaining $18000 with a 3-year auto loan at 4% annual interest compounding monthly. What is the total cost of the truck including all payments and down payment? rounded to 2 decimal places. Do not include the $ symbol.

Carmen plans to buy a used truck by paying a $2000 down payment and financing theremaining $18000 with

Answers

Step-by-step explanation:

To calculate the total cost of the truck including all payments and down payment, we can use the formula for the future value of an annuity due:

FV = PMT × (((1 + r/n)^(n×t) - 1) / (r/n)) + PV × (1 + r/n)^(n×t)

where:

- FV is the future value of the annuity due (the total cost of the truck including all payments and down payment)

- PMT is the monthly payment

- r is the annual interest rate (4%)

- n is the number of times interest is compounded per year (12 for monthly compounding)

- t is the number of years (3)

- PV is the present value of the annuity due (the amount financed after the down payment)

First, we need to calculate the monthly payment:

PMT = (r/n) × PV / (1 - (1 + r/n)^(-n×t))

PV = $18,000 - $2,000 = $16,000

PMT = (0.04/12) × 16000 / (1 - (1 + 0.04/12)^(-12×3)) = **$470.98**

Now we can calculate the future value of the annuity due:

FV = PMT × (((1 + r/n)^(n×t) - 1) / (r/n)) + PV × (1 + r/n)^(n×t)

FV = 470.98 × (((1 + 0.04/12)^(12×3) - 1) / (0.04/12)) + 16000 × (1 + 0.04/12)^(12×3) = **$19,981.63**

Therefore, the total cost of the truck including all payments and down payment is **$21,981.63**.

A grocery store bought yogurt for $2.20 per container and stored it in two refrigerators. During the night, one refrigerator malfunctioned and ruined 13 containers. If the remaining yogurt is sold for $3.94 per container, how many containers did the store buy if they made a profit of $105.38?

Answers

Answer:

96

Step-by-step explanation:

X be the total containers bought

Sales - cost = profit

4.08(X - 14) - 2.6X = 84.96

4.08X - 2.6X - 57.12 = 84.96

1.48X = 142.08

X = 96

What is the boundary line of Y<1/3x+1

Answers

The graph is a dashed line, the shade of the area below the boundary line.

The given inequality is \(y <\)\(\frac1}{3}x+1\).

We need to find the boundary line.

What is the slope-intercept form?

The slope-intercept form of the equation is y=mx+c.

We need to find the slope (m) and y-intercept (c) for the boundary line.

Now, simplify the right side

Combine \(\frac{1}{3}\) and x.

That is \(y < \frac{x}{3}+1\)

Use the slope-intercept form to find the slope and y-intercept.

Find the value of m and c using the form y=mx+c.

That is, m=\(\frac{1}{3}\) and c=1

The slope of the line is the value of m, and the y-intercept is the value of c.

Slope:1/3

y-intercept: (0, 1)

Graph a dashed line, the shade of the area below the boundary line.

Since, \(y < \frac{1}{3}x+1\).

Therefore, the graph is a dashed line, the shade of the area below the boundary line.

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What is the boundary line of Y&lt;1/3x+1

{x + 3y =- 5
{9x + 3y = 3

Answers

Answer:

1. y-intercept(s):

(0,−53)

x-intercept(s):  

(−5,0)

2. x-intercept(s):

(13,0)

y-intercept(s):

(0,1)

Step-by-step explanation:

Which shapes show equivalent fractions?

A.shapes A and B
B.shapes A and D
C.shapes B and C
D.shapes A, B, and D

Which shapes show equivalent fractions?A.shapes A and BB.shapes A and DC.shapes B and CD.shapes A, B,

Answers

Answer:

B.shapes A and D

Step-by-step explanation:

Cuz if u see very carefully u will see they are cubes (except b) and A and D had one of its side's covered so the answer is simply A and D

The diagram shows a prism. Draw the front and side elevation of the prism on the grid. Use the scale 2 squares to 1m.

I know that the side elevation is correct but I can't get the front. Please help!

The diagram shows a prism. Draw the front and side elevation of the prism on the grid. Use the scale

Answers

The sketch of the front elevation and the side elevation of the prism are added as an attachment

How to draw the front elevation and the side elevation of the prism

From the question, we have the following parameters that can be used in our computation:

The prism

Using the figure as a guide, we understand that:

The front elevation is a rectangle of 2m by 0.5m

While the side elevation is a rectangle merged with a trapezoid

Next, we draw the elevations (see attachment)

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The diagram shows a prism. Draw the front and side elevation of the prism on the grid. Use the scale

how do you add 44÷44?


stu.pid questions

Answers

Answer: You can't unfortunatly. 44 divided by 44 is 1 though

Step-by-step explanation:

15 POINTS
Using Pythagoras' theorem, calculate the length
of XY.
Give your answer in centimetres (cm) to 1 d.p.

15 POINTSUsing Pythagoras' theorem, calculate the lengthof XY.Give your answer in centimetres (cm) to

Answers

Answer:

13.27 cm

Step-by-step explanation:

I am using (xy) to mean the length of the side xy

7^2 + (xy)^2 = 15^2

49 + (xy)^2 = 225

(xy)^2 = 225-49

(xy)^2 = 176

Side (xy) = sqrt(176) = 13.2664991614 = 13.27 cm

Answer:
13.3cm
Step-by-step explanation:
The Pythagorean theorem is a^2+ b^2 = c^2
Plug the values into the equation.
7^2+ b^2 = 15^2
Simplify.
49 ÷ b^2 = 225
Subtract 49 from both sides.
b^2 = 176
Take the square root of both sides.
vb^2 = v176
b=13.266
b=13.3cm

Find sin(2x), cos(2x), and tan(2x) from the given information.
sin(x) = \(-\frac{3}{5}\) for \(\frac{3\pi }{2}\) < x < 2

Answers

I assume 3π/2 < x < 2π, so that x is in the 4th quadrant. For angles x terminating in Q4, we have sin(x) < 0 and cos(x) > 0, so tan(x) = sin(x)/cos(x) < 0.

This means that, using the Pythagorean identity,

cos(x) = + √(1 - sin²(x)) = 4/5

tan(x) = (-3/5) / (4/5) = -3/4

Recall the double angle identities:

sin(2x) = 2 sin(x) cos(x) = 2 (-3/5) (4/5) = -24/25

cos(2x) = 2 cos²(x) - 1 = 2 (4/5)² - 1 = 7/25

tan(2x) = 2 tan(x) / (1 - tan²(x)) = 2 (-3/4) / (1 - (-3/4)²) = -24/7

7th grade math Divide. -3 3/4 ÷ 3

Answers

negative five over four. (-5/4)

Which of the following is a Recursive Formula for an Arithmetic Sequence?

Which of the following is a Recursive Formula for an Arithmetic Sequence?

Answers

Answer:i think a sorry if my answer is incorrect

Step-by-step explanation:

Determine whether the polygons are similar, please help.

Determine whether the polygons are similar, please help.

Answers

Answer:

yes I just checked it

Step-by-step explanation:

Question 1 of 10
What is the approximate distance between the points (-3,-4) and (-8, 1) on a
coordinate grid?
O A. 11.40 units
OB. 12.08 units
O C. 7.07 units
D. 3.16 units

Answers

Answer:

Step-by-step explanation:

Answer:

the approximate distance between the points is

√25+25 = 5√2

=7.07

Step-by-step explanation:

In the case of Regression Analysis, the dependent variable must be ________; in multiple discriminant analysis, the dependent variable is______ in nature.
a. Metric; nonmetric
b. Metric; nominal
c. Nominal; categorical
d. Categorical; nonmetric
b. Metric; nominal

Answers

In the case of regression analysis, the dependent variable must be metric; in multiple discriminant analysis, the dependent variable is nominal in nature. (Option B)

Regression analysis refers to a collection of statistical methods which are used for the estimation of relationships between a dependent variable and one or more independent variables. It can used to assess the strength of the relationship between variables and for modeling their future relationship. In regression analysis the dependent variable is metrically scaled (where distance between values can be calculated). Multiple discriminant analysis is a regression technique used in statistics to group objects into categories for analysis. In multiple discriminant analysis the dependent variable is nominally scaled (where characteristics can be distinguished).

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Find the area of the figure. Use trigonometry and draw a diagram.

Find the area of the figure. Use trigonometry and draw a diagram.

Answers

Answer:

Area = 72

Explanation:

All the sides are equal and there is an interior angle of 90 degrees, so we can say that figure is a square.

Then, to know the area, we need to know the length of the sides.

Since we know that the diagonal is 12, we can calculate the length of the sides using the following equation:

\(\begin{gathered} d=\sqrt[]{a^2+a^2} \\ d=\sqrt[]{2a^2} \\ d=\sqrt[]{2}\cdot\sqrt[]{a^2} \\ d=\sqrt[]{2}\cdot a \\ d=a\sqrt[]{2} \end{gathered}\)

where d is diagonal and a is the side of the square. Replacing d by 12 and solving for a, we get:

\(\begin{gathered} 12=a\sqrt[]{2} \\ \frac{12}{\sqrt[]{2}}=\frac{a\sqrt[]{2}}{\sqrt[]{2}} \\ \frac{12}{\sqrt[]{2}}=a \end{gathered}\)

Then, the area of the figure is equal to:

\(\begin{gathered} \text{Area}=a\times a \\ \text{Area}=\frac{12}{\sqrt[]{2}}\times\frac{12}{\sqrt[]{2}} \\ \text{Area}=\frac{12\times12}{\sqrt[]{2}\times\sqrt[]{2}}=\frac{144}{2}=72 \end{gathered}\)

Therefore, the area is 72.

I need to know ASAP!!!
What -1/2 = 3/8 y
What does y=

Answers

Step-by-step explanation:

if you are not sure check 3/4 into the equation

I need to know ASAP!!!What -1/2 = 3/8 y What does y=

Can someone tell me what is 2+8

Answers

if you have 8 cookies and someone else gives you 2 more how many do you have? 10

Your taxable wages for Social Security purposes are $1100. How much is your Social Security tax if you have previous taxable wages of $102,000?

Answers

If you have previous taxable wages of $102,000 and your current taxable wages are $1,100, your Social Security tax would be $6,324 for the previous wages and $68.20 for the current wages.

To calculate the Social Security tax, we need to know the tax rate for Social Security and the taxable wages. Let's assume the Social Security tax rate is 6.2% for both the employee and the employer.

Given that your taxable wages for Social Security purposes are $1,100, and your previous taxable wages are $102,000, we can determine the Social Security tax amount.

First, we need to calculate the Social Security tax on the previous taxable wages of $102,000. Multiply $102,000 by 6.2% (0.062) to find the Social Security tax for that amount:

Social Security tax = $102,000 x 0.062 = $6,324

Next, we calculate the Social Security tax on the current taxable wages of $1,100. Multiply $1,100 by 6.2% to find the tax amount:

Social Security tax = $1,100 x 0.062 = $68.20

Therefore, if you have previous taxable wages of $102,000 and your current taxable wages are $1,100, your Social Security tax would be $6,324 for the previous wages and $68.20 for the current wages.

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SOMEONE HELP ME PLZ

SOMEONE HELP ME PLZ

Answers

Answer:

1.Te 2.Nod 3.se 4.Me Thank me later:)

What is the meaning of "\( \varphi (x,y)\) be \( y\wedge \phi (x)\) "?

What is the meaning of "[tex] \varphi (x,y)[/tex] be [tex] y\wedge \phi (x)[/tex] "?

Answers

The given passage provides a proof that the Separation Axioms follow from the Replacement Schema.

The proof involves introducing a set F and showing that {a: e X : O(x)} is equal to F (X) for every X. Therefore, the conclusion is that the Separation Axioms can be derived from the Replacement Schema.In the given passage, the author presents a proof that demonstrates a relationship between the Separation Axioms and the Replacement Schema.

The proof involves the introduction of a set F and establishes that the set {a: e X : O(x)} is equivalent to F (X) for any given set X. This implies that the conditions of the Separation Axioms can be satisfied by applying the Replacement Schema. Essentially, the author is showing that the Replacement Schema can be used to derive or prove the Separation Axioms. By providing this proof, the passage establishes a connection between these two concepts in set theory.

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Find the area of the unshaded region. Formula is A= b•h please help!

Find the area of the unshaded region. Formula is A= bh please help!

Answers

Answer:

132 square feet (I dont use feet and inches so I'm unfamiliar with the units lol)

Step-by-step explanation:

13x15 = 195
7x9= 63

195-63 = 132

Adding Rational Expressions

Simplify the following sum, and show all work please.

Adding Rational ExpressionsSimplify the following sum, and show all work please.

Answers

The solution of sum of expression is,

⇒ (x² - x + 1) / (x - 1)(x - 2)

We have to given that;

Expression is,

⇒ [x /(x² - x - 2)]  + [ (x - 1) / (x - 2) ]

We can simplify as;

⇒ [x / (x² - x - 2)]  + [(x - 1) / (x - 2)]

⇒ [x / (x² - 2x + x - 2)] + [(x - 1) / (x - 2)]

⇒ [x / [ x (x - 2) + 1(x - 2)] + [(x - 1) / (x - 2)]

⇒ [x / (x - 1) (x - 2)] + [(x - 1) / (x - 2)]

⇒ [1/(x - 2)] [ x/(x - 1) + (x - 1) ]

⇒ [1 / (x - 2)]  × [ x + (x - 1)²] / (x - 1)

⇒ [x + (x - 1)² ] / [(x - 1) (x - 2)]

⇒ (x + x² - 2x + 1) / (x - 1) (x - 2)

⇒ (x² - x + 1) / (x - 1) (x - 2)

Hence, The solution of sum of expression is,

⇒ (x² - x + 1) / (x - 1) (x - 2)

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Need Help!!!! A pre-image has coordinates J(3, -6) and K(-1, -2). The image has coordinates J'(6, 3) and K'(2, -1). Describe the clockwise rotational path of the line segment.​

Answers

After considering the given data we conclude that the clockwise rotational path of the line segment is a rotation of -59.04 degrees about the point (-6, -1).

We have to evaluate the center and angle of rotation to explain the clockwise rotation of the line segment.

So in the first step, we can evaluate the midpoint of the line segment JK and the midpoint of the line segment J'K'. we can calculate the vector connecting the midpoint of JK to the midpoint of J'K'. This vector is (4-1, 1-(-4) = (3,5)

The center of rotation is the point that is equidistant from the midpoints of JK and J'K'. We can evaluate this point by finding the perpendicular bisector of the line segment connecting the midpoints.

The slope of this line is the negative reciprocal of the slope of the vector we just found, which is -3/5. We can apply the midpoint formula and the point-slope formula to evaluate the equation of the perpendicular bisector:

Midpoint of JK: (1, -4)

Midpoint of J'K': (4, 1)

The slope of the vector: 3/5

(x₁ + x₂)/2, (y₁ + y₂) /2

Point-slope formula: y - y₁ = m(x - x₁)

Perpendicular bisector: y - (-4) = (- 3/5)(x - 1)

Applying simplification , we get: y = (- 3/5)x - 1.2

To evaluate the center of rotation, we need to find the intersection point of the perpendicular bisector and the line passing through the midpoints of JK and J'K'. This line has slope ( 3 - (4)) /(4 - 1) = 7/3 and passes through the point (4, 1). Applying the point-slope formula, we can evaluate its equation:

y - 1 = (7/3)( x - 4)

Apply simplification , we get: y = (7/3)x - 17/3

To evaluate the intersection point, we can solve the system of equations:

y =(- 3/5)x - 1.2 = (7/3)x - 17/3

Evaluating for x and y, we get x = -6 and y = -1.

Therefore, the center of rotation is (-6, -1).

√( 4 - 1)² + ( 1 - ( - 4))²) = 5√(2)

Distance between image points and center of rotation

√( ( 6 - (-6))² + ( 3 - (-1))² = 13

The ratio of these distances gives us the scale factor of the transformation, which is 13/√2).

The angle of rotation is negative as the image moves clockwise direction. We can apply the inverse tangent function to find the angle of the vector connecting the midpoint of JK to the midpoint of J'K':

Angle of vector: arctan(5/3) = 59.04 degrees

Therefore, the clockwise rotational path of the line segment is a rotation of -59.04 degrees about the point (-6, -1).

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Find k so that kx^2 - 12x + 9 is the square of a binomial

Find k so that kx^2 - 12x + 9 is the square of a binomial

Answers

Answer:

k = 4

Step-by-step explanation:

Given polynomial is,

kx² - 12x + 9

We have to find the value of 'k' for which the given polynomial is a square of a binomial.

To find this we will use the formula,

(a - b)² = a² - 2ab + b²

kx² - 12x + 9 = kx² - 2(6x) + 3²

                    = kx² - 2(3)(2x) + 3²

By comparing this with the formula of (a - b)²,

b = 3

a = 2x

(2x)²- 2(2x)(3) + 3² = (2x - 3)²

4x² - 12x + 9 = (2x - 3)²

Therefore, k = 4 will make the polynomial a perfect square of a binomial.

add the following
1/3+3/2
1/4+1/3
1/3+1/5
1/3+2/5
1/4+2/7
1/7+2/3

Answers

1/3 + 3/2

= 2+9 /6

= 11/6

1/4 + 1/3

= 3+4 /12

= 7/12

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