Yossi used to have a square garage with 216ft of floor space. recently built an addition to it. The garage is still a​ square, but now it has​ 50% more floor space. What was the length of one side of the garage​ originally? What is the length of one side of the garage​ now? What was the percent increase in the length of one​ side?

Answers

Answer 1

One side of the garage length​ is 16.69ft

the length of one side of the garage​ now has 18 ft

increase in the one​ side's length is 70 %

According to the given data,

Floor of square garage given in the question is 216 ft

then, we get length of one side of the garage is √216

                                                                                   = 16.69 ft

after built an addition to it  garage has ​ 50% more floor space

216 × (1 + 0.5) = 324

√324 = 18 ft

The garage's one side is 18 feet long.

The length of one​ side = [tex]\frac{18}{16.69}[/tex]

                                        = 1.07

The percentage increase in one side's length is 1.07-1 = 0.07 = 70 percent.

Area of square : The area is the space covered by square object. It is the approximately occupied by any shape. While estimating the area of a square, we consider only the length of the square because all the sides of a square are equal.

Similarly, we get the area of the other shapes such as rectangle, triangle or any polygon shape, based on its sides. Area of the surface is compute based on the radius or the distance of its outer line from the axis for curved surface objects.

Area of a Square Formula

area of square formula used for calculating the area occupied, let us we find area. You are required to calculate the area of a side 5 cm. Using this dimension,  a square  having 1 cm × 1 cm squares. The square covers 36 complete squares.

Thus, the area of the square is 36 square cm, which can be written as 6cm × 6 cm, that is, side ×  side.

We know the area of a square is:

Area of a Square = Side ×  Side

and the perimeter of any square = 4 ×  side units

Here given, Some conversions of units:

1 m = 100 cm

1 sq. m = 10,000 sq. cm

1 km = 1000 m

1 sq. km = 1,000,000 sq. m

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Related Questions

(question in the in image above the other side if angle Q is 113

Find x​

Answers

Answer:

x = 85

Step-by-step explanation:

the exterior angles of a polygon sum to 360°

note the exterior angle at P = 180° - 90° = 90°

sum the 4 exterior angles and equate to 360

x + 72 + 113 + 90 = 360

x + 275 = 360 ( subtract 275 from both sides )

x = 85

Julio walks 3 1/2 miles in 1 1/4 hours. Find unit rate

Answers

Answer:

3 1/2 ÷ 1 1/4

7/2 ÷ 5/4

7/2 · 4/5

28/10

2.8

Step-by-step explanation:

Given f(x) = 2 cos x, find the exact value of f (pi/6) in simplest form with a rational
denominator.

Answers

Using trigonometric functions, the value of 2 cos x is equals to √3.

What are trigonometric functions?

One of the six mathematical functions used to express the side ratios of right triangles, the trigonometric function includes the sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc). The graphic shows these six trigonometric functions in respect to a right triangle.

Cos (π/6) = √3/2

So. f(x) = 2 cos x

⇒ f(x) = 2 cos(π/6)

⇒ f(x) = 2 × √3/2

f(x) = √3

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which set of mixed numbers has a difference less than 1

1 1/2-1 1/9
3 3/4-2 1/7
2 4/5-1 1/3
2 7/9- 1 1/3

Answers

Only [tex]$1\frac{1}{2} - 1\frac{1}{9} = \frac{7}{18}[/tex] is less than 1.

We have a set of mixed numbers.

We have to identify which set of mixed numbers has a difference less than 1.

What are Mixed Numbers ?

A mixed number is a whole number, and a proper fraction represented together. It generally represents a number between any two whole numbers. Any mixed fraction can be converted into normal fraction using the formula -

[tex]X\frac{Y}{Z} =\frac{Z\times X+Y}{Z}[/tex]

According to the question -

Let us solve them one by one (for difference to be less than 1, the denominator should be less than numerator) -

A = [tex]$1\frac{1}{2} - 1\frac{1}{9} = \frac{7}{18}[/tex]   B = [tex]$3\frac{3}{4} - 2\frac{1}{7} = \frac{45}{28}[/tex]C = [tex]$2\frac{4}{5} - 1\frac{1}{3} = \frac{22}{15}[/tex]D = [tex]$2\frac{7}{9} - 1\frac{1}{3} = \frac{13}{9}[/tex]

Hence, only [tex]$1\frac{1}{2} - 1\frac{1}{9} = \frac{7}{18}[/tex] is less than 1.

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Noah is buying a pair of jeans and using a coupon for 10% off.



The total price is $56.70, which includes $2.70 in sales tax.



Noah's purchase can be modeled by the equation:



`x-0.1x+2.70=56.70`





What does the solution to the equation mean in this situation?

Answers

Answer: The answer to this equation is 53.91

Solve p3 = −512.

pls help due in 1 hour

Answers

Answer:

-170 2/3

Step-by-step explanation:

Divide both sides by 3 to get p by itself

p = -512/3

Simplify

- 170 2/3

Answer:

p=−8

Step-by-step explanation:

Let's solve your equation step-by-step.

[tex] \rightarrow \sf \: p {}^{3} =−512[/tex]

Step 1: Take cube root.

[tex] \sf p={(−512) }^{ ( \frac{1}{3} )}[/tex]

[tex] \sf \: p=−8[/tex]

Answer the questions by drawing on the coordinate plane below.

(a) Draw the image of
ΔABC
∆ABC

under the dilation with scale factor 3 and the origin as the center of dilation. Label the image
ΔA'B'C'
∆A′B′C′

. Make sure to include the coordinates of A’, B’, and C’.

(b) Draw the image of
ΔDEF
∆DEF

under the dilation with scale factor
−12
−12

and the origin as the center of dilation. Label the image
ΔD'E'F'
∆D′E′F′

. Make sure to include the coordinates of D’, E’, and F’.

Answer:

Answers

Answer:

(b) Draw the image of

ΔDEF

∆DEF

Step-by-step explanation:

Fine the volume and surface area of the figure below

Answers

Answer:

1470 in³, 716 in²

Step-by-step explanation:

The figure is a cylinder, and it's volume can be found using the following formula:

Volume of cylinder

= area of circle base ×height

= πr²h

Identify the value of r and h:

From the diagram, the radius (r) is 6 in. while the height (h) is 13 in.

Using the formula,

volume of cylinder

= π(6²)(13)

= 468π

= 1470 in³ (3 s.f.)

The surface area of a cylinder is the total area of all its faces, i.e. the sum of the area of its two circular bases and its curved surface area.

Formula

Surface area of cylinder

= 2πr² +2πrh

Surface area of cylinder

= 2(π)(6²) +2(π)(6)(13)

= 72π +156π

= 228π

= 716 in² (3 s.f.)

Additional:

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Under his cell phone plan, Logan pays a flat cost of $58 per month and $3 per gigabyte. He wants to keep his bill under $70 per month. Use the drop-down menu below to write an inequality representing gg, the number of gigabytes he can use while staying within his budget.

PLEASE HELPPPP 3

Answers

The inequality which can be used to determine the number of gigabytes is 58 + 3x < 70 and the solution is  x < 4

How to write and solve an equation which can be used to determine the number of gigabytes?

The given parameters are

Flat cost = $58

Rate = $3 per gigabyte

Budget = Under $70

The equation is represented as:

Total cost = Flat cost + Rate * Number of gigabyte

So, we have

y = 58 + 3x

The budget is under 70

So, we have

58 + 3x < 70

Subtract 58 from both sides

So, we have

3x < 12

Divide both sides by 3

So, we have

x < 4

Hence. the inequality which can be used to determine the number of gigabytes is 58 + 3x < 70 and the solution is  x < 4

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Elemer travels 66 miles per hour for 10 hours .find the distance traveled in miles

Answers

Answer: 660 miles

Step-by-step explanation:

66 miles * 10 hours/1 hour =

66*10/1=

66*10=660 miles

Danielle sells beauty supplies and earns a base salary of $320.00 per week plus a 8% comission on sales. During one particular week, she sells $2879 worth of beauty supplies. How much does she make for that week? Round to the nearest cent.

Answers

Answer$550.32

Step-by-step explanation: 7day = $320

commission = 8% of 2879

=230.32

 total earnings = 320 + 230.32

= 550.32

√ 81 )^2 I can't figure this out. Sorry to bother anyone!

Answers

Answer: 81

Step-by-step explanation: The square root and the squared function cancel each other out

HELP Finding the initial amount and rate of change given a table for a linear function

Answers

The initial amount and rate of change given a table for a linear function are $332 and $22.5, respectively

How to find the initial amount and rate of change given a table for a linear function?

The table of linear function represents the given parameter

On the table, we have the following points

(x, y) = (6, 467) and (10, 647)

The rate of change is calculated as

Rate = (y2 - y1)/(x2 - x1)

So, we have

Rate = (647 - 467)/(10 - 2)

Evaluate

Rate = 22.5

This means that the rate of change is $22.5

The initial amount is calculated as

y = m(x - x1) + y1

Where

m = 22.5

So, we have

y = 22.5(x - x1) + y1

Using one of the points, we have

y = 22.5(x - 6) + 467

Set x = 0

So, we have

y = 22.5(0 - 6) + 467

Evaluate

y = 332

Hence, the initial amount and rate of change given a table for a linear function are $332 and $22.5, respectively

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Find the eighth term of each geometric sequence. -30,7.5,-1.875, . . . . .

Answers

The eighth term of the given geometric sequence is: 0.00183.

What is a geometric progression?

A geometric progression, sometimes referred to as a geometric sequence in mathematics, is a series of non-zero numbers where each term following the first is obtained by multiplying the preceding one by a constant, non-zero value known as the common ratio.

Given: -30, 7.5, -1.875, ....

Here, [tex]\frac{7.5}{-30}=\frac{-1.875}{7.5}=-0.25[/tex]

That is, the given geometric sequence has a₁ = -30 and r = -0.25

The nth term of a geometric sequence is given by: [tex]a_n=a_1(r^{n-1})[/tex]

For n = 8, [tex]a_8=(-30)(-0.25)^7[/tex] ≈ 0.00183

Hence, The eighth term of the given geometric sequence is: 0.00183.

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Please help me I need help

The question is What is the slope of a line perpendicular to the line whose equation is 5x-2y= -10. Fully simplify your answer

Answers

Answer:

x=−2+2y/5

Step-by-step explanation:

Add 2y to both sides of the equation.5x=−10+2y

Divide each term in 5x=−10+2y by 5 and simplify.

Divide each term in 5x=−10+2y by 55x5=−105+2y5Simplify the left side

. Cancel the common factor of 5

Cancel the common factor.5x5=−105+2y5Divide x by1.x=−105+y5

Simplify the right side.

Divide

−10 by 5

A string is vibrating at 220 MHz and the wavelength of the waves on the string is 2.20m. Find the speed of these waves as they travel up and down the string

Answers

The wavelength of the waves on a string that is vibrating at 220 MHz is 2.20 m. These waves move at a 4840 rpm rate as they move up and down the string.

What is a wave length?

A waveform signal that is carried in space or down a wire has a wavelength, which is the separation between two identical places (adjacent crests) in the consecutive cycles. This length is typically defined in wireless systems in meters (m), centimeters (cm), or millimeters (mm) (mm). According to the available data, the wavelength is more frequently expressed in nanometers (nm), which are units of 10-9 m, or angstroms (), which are units of 10-10 m, for infrared (IR), visible light (VL), ultraviolet (UV), and gamma radiation ().

V=∧F

V=220×22

V=4840m/s

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order from smallest to greatest

urgent !

Answers

-5 1/2, -5/2, -5.2, -5.5, -5,

I need help in those questions please​

Answers

The other root of the given quadratic equation is a = ± 3/√2.

Given that, x=2 and x²+ax+12=0.

What are the roots of quadratic equations?

The roots of a quadratic equation are the values of the variable that satisfy the equation. They are also known as the "solutions" or "zeros" of the quadratic equation.

Now, put x=2 in x²+ax+12=0 and find the value of a.

That is, 2²+2a+12=0

⇒4+12+2a=0

⇒16+2a=0

⇒2a=-16

⇒a=-8

So, the value of a is -8.

Put (0, 6) and (4, 6) in the function y=2x²+bx+c and find the value of b and c.

That is, 6=2(0)²+b(0)+c

⇒ c=6

6=2(4)²+b(4)+c

⇒ 6 = 32+4b+c

⇒ -26 = 4b + 6

⇒ 4b = -32

⇒ b = -8

So, the value of b is -8 and the value of c is 6.

Put x=a (root) in the equation 2x + x/a -9 = 0 and find the other root.

That is, 2a²+a/a -9 = 0

⇒ 2a² - 9 = 0

⇒ a²=9/2

⇒ a = ± 3/√2

Therefore, the other root of the given quadratic equation is a = ± 3/√2.

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PLEASE HELP ME WITH THIS!!!!

Answers

Answers: g= 112, h=68, m=88, k=92
Hope this helps

Negative 3 times negative 8

Answers

Answer:

Step-by-step explanation:

-24

-3 x -8 = 24
Cause - times - is +


Write an equation in point-slope form of the line having the given slope that contains the given point.
m=-3/4, (8,-1)

Answers

The equation in point-slope form of the line having the given slope that contain the given point m=[tex]-\frac{3}{4}[/tex] and (8,-1) is [tex]y+1=-\frac{3}{4}(x-8)[/tex]

Given,

m = [tex]\frac{-3}{4}[/tex]

The point = (8,-1)

The point-slope form of the line

[tex](y-y_{1} )=m(x-x_{1})[/tex]

Substitute the values in the equation

[tex](y-(-1))=-\frac{3}{4}(x-8)\\ y+1=-\frac{3}{4}(x-8)[/tex]

Hence, the equation in point-slope form of the line having the given slope that contain the given point m=[tex]-\frac{3}{4}[/tex] and (8,-1) is [tex]y+1=-\frac{3}{4}(x-8)[/tex]

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the question is shown in the picture

Answers

Answer:

Final Cost of 3 pounds: 7.25

Final cost of p pounds: 3.50p

Step-by-step explanation:

3.50p - 3.25 = ?

3.50(3) - 3.25 = ?

10.50 - 3.25 = $7.25

Write an expression of the cost to buy at least one pound of chicken.

3.50p

I hope this helps!

 

Please help!:)))))))))))

Answers

Answer:

one way to name the symbol is our and another way to name the symbol is rco

At a convention, 192 speakers gave one or more presentations of varying lengths. The histogram
summarizes the total presentation time, in hours, of each speaker.
Number of speakers
90
80
70
60
50
40
30
20
10
0
0 1 2 3 4 5 6 7
Total presentation time (hours)
What interval contains the 25th percentile for this data?

Answers

The 25th percentile of the data is represented by the 0 to 1 hour range.

48 speakers, or around 25% of the total of 192 speakers, are present.

According to the graph, 60 presenters gave presentations that lasted between 0 and 1 hours.

This means that 48 is between0 and1.

A score that compares a certain score to the scores of the other group members is known as a percentile. It shows the percentage of scores that a particular score outperformed.

A person's performance is gauged by using the percentile calculation to compare it to others. A student's test score is compared to that of other applicants using the percentile approach.

Therefore, the 0 to 1 hour period contains the data's 25th percentile.

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At the Olympic games, many events have several rounds of competition. One of these
events is the men's 100-meter backstroke.
The upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of
the 2012 Olympics. The lower dot plot shows the times of the same 8 swimmers, but in the
semifinal round.
Final round
Semifinal round
distribution.
56
56.5
The center of the semifinal round distribution is
distribution.
57
Time (seconds)
The variability in the semifinal round distribution is
V
57.5
v
58
the center of the final round
the variability in the final round.

Answers

The 100–meter backstroke swimming times of the 8 swimmers during the semifinal and the finals of the Olympic games gives;

First part;

The center of the semifinal round is approximately 57.3625

The variability in the semifinal round is 0.0998

Second part;

The center of the final round is approximately 57.0125

The variability in the final round is 0.3336

How can the center and variability of the data in the dot plot be found?

The times of the swimmers in the semifinal round are;

56.7, 57.2, 57.3, 57.3, 57.4, 57.5, 57.7, 57.8

The central value is given by the mean of the data, is found as follows;

(56.7+57.2+57.3+57.3+57.4+57.5+57.7+57.8)/8 = 57.3625

The variability is given by the standard deviation which is found by the formula;

[tex] \sigma = \sqrt{ \frac{ x_{i} - \mu}{n} } [/tex]

Where;

[tex]x _{i} = the \: ith \: value[/tex]

[tex] \mu = the \: mean[/tex]

The standard deviation found using the given values above and an online tool is presented as follows;

[tex] \sigma = \sqrt{ \frac{ x_{i} - 57.3625}{8} \approx 0.316 } [/tex]

The variance ≈ √(0.316) ≈ 0.0998

Second part;

In the final, we have the following values from the dot plot;

56, 56.6, 56.6, 57, 57.1, 57.2, 57.7, 57.9

From the above values, using an online calculator, the center, which is taken as the mean is 57.0125

The variance for the final, [tex] \sigma^2 [/tex] ≈ 0.3336

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find the center and foci of the ellipse:
4x^2+9y^2+8x-36y+4=0

Answers

The center of the given ellipse is given as (-1, 2)

Center of the Ellipse

To find the center of the ellipse, we need to rearrange the equation into the standard equation of ellipse.

[tex]4x^2 + 9y^2 + 8x - 36y + 4 = 0\\\frac{(x+1)^2}{2} + \frac{(y-2)}{4} = 1[/tex]

The center of the ellipse is given as

[tex]center = (-1, 2)[/tex]

Foci

The foci of the ellipse  are the reference points in an ellipse and it helps to derive the equation of the ellipse. There are two foci for the ellipse i.e F1 and F2

[tex]F_1= (-1 + \sqrt{5}, 2)\\ F_2 = (-1, -\sqrt{5}, 2)[/tex]

The center of the given ellipse is (-1,2) while the foci are stated above.

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How many solutions does the equation have?

5(n–2)=5n–10

Answers

Answer:

Infinite solutions, regardless of the value of n.

Step-by-step explanation:

[tex]5\left(n-2\right)=5n-10\\5\left(n-2\right)\\5n-5\cdot \:2\\5n-10\\5n-10=5n-10\\5n - 10+10=5n-10 + 10\\5n = 5n\\5n-5n=5n-5n\\0=0\\\mathrm{\:for\:n = \infty,-\infty}[/tex]

What is 45% of 315. I need work shown in explanation area

Answers

45% of 315 = 141.75

When you are using a % number convert it into a decimal ( 45% would be 0.45 or 55% would be 0.55 ). After you convert it into a decimal you can multiply it by the number ( Here it would be 315 )

0.45 x 315 = 141.75

Answer:

141.75

Step-by-step explanation:

To do this question, first, we can write 45% as 45/100.

Now, we have to multiply.

45/100x315

=141.75

Hope that helped!

:D

14x futher simplfied

Answers

Answer:

14x cannot be simplified any further.

Answer:

No, 14x can not be further simplified.

Step-by-step explanation:

I hope this helps.


Lindsey is building a skateboard ramp. She wants the ramp to be 1 foot tall at the end and she wants it to make a 15^{\circ} angle with the ground. What length of board should she buy for the ramp itself? Round to the nearest foot.

Answers

The term "length" is used to describe an object's size or the separation between two points. Lindsey must buy 4 feet of the board for the ramp itself.

What is meant by length?

The term "length" refers to the measurement or size of something from end to end. In other terms, it is the greater of the upper two or third dimension of a geometric shape or object.

Distance exists estimated in length. The length contain the dimension of distance in the International System of Quantities. The majority of measurement systems select a base unit for length from which all other units exists derived. The meter serves as the foundational unit of length in the International System of Units.

A rectangle, for instance, has length and width as its dimensions.

1/x = 15°

x = 1/sin 15°

simplifying the above equation, we get

x = 3.9ft

x ≈ 4 ft

Therefore, the value of x ≈ 4 ft.

Lindsey must buy 4 feet of the board for the ramp itself.

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