4) An architect is designing a tapered office
tower where the ground floor (floor 0) is
the largest and the floor space is reduced
by 5% per floor. If the ground floor has
an area of 1,140.0 m², what is the area of
the 9th floor?

Answers

Answer 1

The area of the 9th floor is 718.48 m² if the ground floor(floor 0) is the largest and the floor space is reduced by 5% per floor.

What is an exponential function?

It is defined as the function that rapidly increases and the value of the exponential function is always a positive. It denotes with exponent :

[tex]\rm y = a^x[/tex]

where a is a constant and a>1

We know we can find the exponential decrease by the below formula:

[tex]\rm y = a(1-r)^n[/tex]

We have a = 1140 m²

r = 5% = 0.05

n = 9

[tex]\rm y = 1140(1-0.05)^9[/tex]

y = 718.48 m²

Thus, the area of the 9th floor is 718.48 m² if the ground floor(floor 0) is the largest and the floor space is reduced by 5% per floor.

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Related Questions

what is the value of 6 n=2 (n-1)!/2

Answers

Answer:

16 i think

Step-by-step explanation:

The volume of a sphere is 420.
What is the radius?

Answers

Answer:

r≈4.65

Step-by-step explanation:

The box plots below show the inches flown by two different model airplanes.
Airplane A
Airplane B
+
+
190
200
210
+ ++ +
220 230
+ ++
250 260
240
Length of Flight (in.)
Which has a greater median flight length? Complete the statement
Airplane Av has a greater median flight length.

Answers

Answer:

im passing this concept trust me the anser is airplane B

Step-by-step explanation:

A student must choose to participate in two different events during field day. There are four track events, two academic events, and six team sports events. What is the approximate probability that the student will choose to participate in two team sports? 0. 114 0. 227 0. 273 0. 545.

Answers

Answer: 0.227

Step-by-step explanation:

Answer:

B. 0.227

Step-by-step explanation:

Have a great day!

can you please help me solve for x

Answers

C I think !!!
Explanation
If 3x+9 was an Extended
Answer: A

Explanation: The way you would set it up is :

16 / 3x + 9 = 20 / 45

Then you can use the butterfly method and able to solve.

Find The Median, First quartile, third quartile, and interquartile range of the data.

the numbers are 20,18,6,4,11,22,0

Answers

Answer:

Median: 88, First Quartile: 84, Third Quartile: 92, IQR (interquartile range): 8

Step-by-step explanation:

1. Sort the numbers in numerical order (like 1, 2, 3, etc.)2. Find the number that is in the middle3. Find all the quartiles by finding the median of the lower and upper halves of the list4. Subtract Q1 (quartile 1) and Q3 (quartile 3) like this: Q3 - Q1 to get IQR

what color is an apple

Answers

Answer:

purple

Step-by-step explanation:

if you take red and blue u get purple. the apple is red then add blue and boom.

Answer:

it is red,

Step-by-step explanation:

there are many types of apples, not all apples are red, some are red and green some have a mix of different colors on them

A certain triangle has side lengths of 125 feet, 142 feet, and 250 feet. Which of the corresponding side lengths below represent a triangle similar to this one?

25 feet, 42 feet, 175 feet

175 feet, 202 feet, 425.5 feet

275 feet, 312.4 feet, 962.5 feet

100 feet, 113.6 feet, 200 feet

pls answer asap

Answers

Answer: 100ft 113.6ft 200ft

Step-by-step explanation:

These new lengths are all ⅘of the original length

BOXES A cardboard box company designs all of its boxes so that they have a depth of n, a height of 2n+1, and a width of 3n+2.

Answers

The volume of the box made by cardboard box company which has a depth of n, a height of 2n+1, and a width of 3n+2, is 6n³+7n²+2n

What is of volume of rectangular prism?

Volume of rectangular prism is the amount of quantity, which is obtained in it in the 3 dimensional space.

Volume of a rectangular prism is the product of its width, height and length.

V=w×h×l

Here, (w) is the width of the base (l) is the length and (h) is the height of the rectangular prism.

A cardboard box company designs all of its boxes suc that they have the measure of depth of n, a height of 2n+1, and the measure of width of 3n+2.Thus, the volume of this box is,

V=w×h×l

V=(3n+2)×(2n+1)×(n)

V=(3n+2)×(2n²+n)

V=6n³+3n²+4n²+2n

V=6n³+7n²+2n

Thus, the volume of the box made by cardboard box company which has a depth of n, a height of 2n+1, and a width of 3n+2, is 6n³+7n²+2n

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Use the equation y=3(1/2)^x to determine the value of y if x=−2. A)3 B)4/9 C)3/4 D)12

Answers

Step-by-step explanation:

remember the rules of exponents.

a "minus" sign means 1/...

like 2^-1 = 1/2

and 2^-3 = 2^(3(-1))

so, it is 1/2³ = 1/8.

so, now here in our case

y = 3×(1/2)^-2 = 3×(1/2)^(2(-1)) = 3×((1/2)²)^-1 = 3×(1/4)^-1 =

= 3× 1 / 1/4 = 3×4 = 12

Can anyone please help me out?:)

Answers

f(x) is our regular graph where the y value is determined by the x value that is plugged in.

f(x + 2) = horizontal shift to the left 2 units

---x, the horizontal axis, is what is being altered here because the change occurs within the parenthesis. We always do the opposite action/move the opposite way when the shift occurs within the parenthesis.

f(x) + 2 = vertical shift up 2 units

---y, the horizontal axis, is what is being altered here because the change occurs outside the parenthesis. We move the function as we would expect to when the shift occurs outside the parenthesis.

Hope this helps!

Sophie bought a cylindrical rain barrel to water her garden, but she forgot to ask the seller what the
diameter of the barrel was. She needs to know the diameter so that she can build a platform for it to sit
on. The seller told her the volume of the barrel is 6,925pi cubic in and its height is 38 in. What is the
diameter of the barrel? Round only your final answer to the nearest inch.

Answers

The diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.

What is of volume of cylinder?

Volume of cylinder is the amount of quantity, which is obtained by it in the 3 dimensional space.

The volume of the cylinder can be given as,

[tex]V=\pi r^2h[/tex]

Here, (r) is the radius of the base of the cylinder and (h) is the height of the cylinder.

Sophie bought a cylindrical rain barrel to water her garden, but she forgot to ask the seller what the diameter of the barrel was.

She needs to know the diameter so that she can build a platform for it to sit on.

The seller told her the volume of the barrel is 6,925pi cubic in and its height is 38 in.

[tex]V=\pi r^2h\\6925=\pi r^2(38)\\\dfrac{6925}{38\pi}= r^2\\r=\sqrt{\dfrac{6925}{38\pi}}\\r\approx7.62 \rm\; in[/tex]

The diameter of the cylinder is twice the radius of it. Thus, the diameter of the cylinder is,

[tex]d=7.62\times2\\d=15.23\rm\\d\approx15\rm\; in[/tex]

Thus, the diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.

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What is the slope of the line tangent to the polar curve r=3theta

Answers

The slope of the line tangent to the polar curve [tex]\rm r =3sin\theta[/tex] is 1.79.

What is the slope?

A surface on which one end or side is at a higher level than another; a rising or falling surface.

The slope of the line tangent to the polar curve;

[tex]\rm r =3sin\theta[/tex]

The slope of the tangent is given by the following formula;

[tex]\rm \text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{ (\dfrac{dr}{d\theta}sin\theta + cos\theta)}{(\dfrac{dr}{d\theta}cos\theta-rsin\theta)}[/tex]

Differentiate the given polar curve

[tex]\rm r =3sin\theta\\\\\dfrac{dr}{d\theta}=3cos\theta\\\\[/tex]

Substitute all the values in the formula

[tex]\rm \text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{ (\dfrac{dr}{d\theta}sin\theta + rcos\theta)}{(\dfrac{dr}{d\theta}cos\theta-rsin\theta)}\\\\\rm \text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{ (3cos\theta \times sin\theta +3 sin \theta \times cos\theta)}{(3cos\theta \times cos\theta-3 sin \theta \times sin\theta)}\\\\\rm \text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{3 (cos\theta sin\theta + sin \theta cos\theta)}{3(cos\theta cos\theta- sin \theta sin\theta)}\\\\[/tex][tex]\rm \text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{ 2sin\theta cos\theta}{(cos^2\theta -sin^2 \theta)}[/tex]

Substitute the value of [tex]\theta[/tex] in the equation

[tex]\rm \text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{ 2sin \dfrac{\pi }{6} cos\dfrac{\pi }{6} }{(cos^2\dfrac{\pi }{6} -sin^2 \dfrac{\pi }{6} )}\\\\\text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{2 \times 0.5 \times 0.86}{0.86^2 -0.5^2}\\\\\text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{0.86}{0.73- 0.25}\\\\\text{Slope of tangent line} = \dfrac{dy}{dx} =\dfrac{0.86}{0.48}\\\\\text{Slope of tangent line} = \dfrac{dy}{dx} =1.79[/tex]

Hence, the slope of the line tangent to the polar curve [tex]\rm r =3sin\theta[/tex] is 1.79.

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The function p(x) = x(x - 5)(x − 2)(x+3) has four zeros. What is the smallest zero?
=
X =
1
1
2

X
3

Answers

Answer: The smallest zero is -3.

Step-by-step explanation: Zeros of a function are the values of input for which the function gives 0 output.

Here, the given function is,

p(x) = x(x-5)(x-2)(x+3)

For finding the zeroes of p(x),

p(x) = 0

⇒ x(x-5)(x-2)(x+3) = 0,

⇒ x = 0 or x - 5 = 0 or x-2=0 or x+3=0

⇒ x = 0 or x = 5 or x = 2 or x = -3

Thus, the zeros of the given function are 0, 5, 2, -3

In which -3 is smallest.

Answer:

x = -3

Step-by-step explanation:

x(x-5)(x-2)(x+3) = 0    means at least one of these terms = 0

so  

                        x = 0       or

x-5 = 0     then x = 5        or

x-2 = 0     then x = 2       or

x+3 = 0     then x= -3

What is expression is equivalent to 5x + 30

Answers

Hey there!

5x + 30

5(x + 6)

= 5(x) + 5(6)

= 5x + 30

5x + 30 = 5x + 30


Therefore, the answer should be:

5(x + 6)



Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

twice the sum of a number and 5 is 22 what is the number

Answers

The answer will be x=8.5

What is the value of X?
A. 55°
B. 1600
C. 200
D. 50°

Answers

Answer:

50

Step-by-step explanation:

180-105=75

180-(75+55)=50

Alexandria wants to go hiking on Saturday. She will consider these conditions when she chooses which of several
parks to visit:
She wants to hike for 2 hours.
She wants LO spend no more than 6 hours away from home.
She can
average 50 miles per hour to and from the park.
Write and solve an inequality to find possible distances from Alexandria's home to a park that satisfies the conditions.

Answers

The inequality to find possible distances from Alexandria's home to a park that satisfies the conditions is: 2+D/50≤6 and the distance is 200 miles.

Inequality

Minimum distance=(50×2)

Minimum distance=100 miles

Time (T) required to cover the distance (D)

Time=D/50 hours

Inequality is 2+D/50≤6

Hence:

Let solve for Distance (D)

D/55≤6-2

D≤4×50

≤200

Therefore the inequality to find possible distances from Alexandria's home to a park that satisfies the conditions is: 2+D/50≤6 and the distance is 200 miles.

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Write the equation in standard form for the circle with radius 9 centered at the origin.

Answers

The standard form of the equation of a circle of radius r, with (assuming centre h, k) is given as:

(X-h)^2 + (y-k)^2 = r^2

As we are required to write an equation in standard form for the circle with radius 9 centred at the origin.
Centre(h,k)=(0,0), r=9

Substituting these values into the standard form of the equation of a circle given above:

(X-0)^2 + (y-0)^2 = 9^2
X^2 + y^2 =81

The standard form is x^2 + y^2 =81

I’m pretty sure this is right

40 x 125% step it out

Answers

Answer:

0.50 or 50%

Step-by-step explanation:

40 x 125 = X

1.25 as a decimal or 125%

40 x 1.25 = 0.50

0.50 --->50%

40 x 125% = 50%

Solve the expression. use order of operations. 8x3+70/7-7

Answers

Anything divided by zero is one so the answer is 1

anyone knows the answer?!​

Answers

Answer:

x^2-10x+24

Step-by-step explanation:

We need to factor the equation

(x-4)(x-6)

-4x+-6x=-10x

Set it equal to 0

x-4=0

x=4

x-6=0

x=6

Write an expression for each phrase. 1. Jose had 3 more hits today than in yesterday’s game.

Answers

Answer:

y=3x bro I'm pretty sure this is wrong tho I'm not good at math

Answer:

I'm not sure but I think it's +3

Step-by-step explanation:

more than = +

What is the radius of a sphere with a volume of 47270 cm 3 , 47270 cm 3 , to the nearest tenth of a centimeter?

Answers

Mark brainalist if this helped thanks

The volume of a sphere is 47270 cm ^3 to find the radius of the sphere .

We know that the formula of the volume of the sphere is given by volume =4/3 pie r ^3
Where r is the radius of the sphere

Substitute the value to get r , and we get
47270=4/3 x 22/7 x r^3

Transpose the equation, and we get
r^3=47270 x 3/4 x 7/22
r^3 =23635 x 3/2 x 7/22

On further solving , we get
r^3 =496335/44
r^3 =11280.34091
r= 3 cube root 11280.34091
r=22.4271
So the radius of the sphere is 224271 cm
And on rounding it off to the nearest tenth of a centimeter , the radius of the sphere becomes 22.4 cm
So the answer is 22.4 cm

Stephanie put 40% of her t-shirts in her dresser. a) If she put 36 t-shirts in her dresser, how many t-shirts does Stephanie own? b) How many t-shirts are not in her dresser?

Answers

Answer:

a.90 b.54

Step-by-step explanation:

40%=0.4 number of t-shirt in her dresser

Total number of t-shirt is 100%

=1.0

let x be the total number of t-shirt

0.4=36

1.0= x

0.4x=36

dividing both sides by 0.4

x=90

b. 90-36=54 t-shirts

Express 7 square as the sum of two consecutive positive numbers.

Answers

Answer:

24 and 25

Step-by-step explanation:

From given, we have,

7 square = 49

Let the first positive number be = x

And the second consecutive positive number is = x+1

x + (x + 1) = 49

2x + 1 = 49

2x = 49 - 1

2x = 48

x = 24

the first number x = 24

the second consecutive number x+1  = 24 + 1 = 25

Thus, 7 square = 24 + 25 (the sum of two consecutive positive numbers.)

1. i dentify if the following figure is an examle of a parallelogram. show your solution.

2. is this given figure on the side a parallelogram of Not?(prove using the properties of parallelogram)​

Answers

The value of the x and y is 12 and -10 respectively, and the provided figure is a parallelogram because the diagonals bisect each other.

What is parallelogram?

In two-dimensional geometry, it is a plane shape having four sides, in which two pairs of sides are parallel to each other and equal in length. The sum of all angles in a parallelogram is 360°.

As we know in the parallelogram, the diagonals bisect each other.

Then,

432 = 3x²

x² = 144

x = √144

x = 12

In the parallelogram, the adjacent opposite angles are the same.

∠C+∠B = 240°

= 360 - 240

∠A + ∠D = 120°

∠A = ∠D = 120°/2 = 60

∠D/2 = 60/2 = 3y + 60

3y + 60 = 30

3y = -30

y = -10

From the definition of the parallelogram, the provided figure is a parallelogram.

Thus, the value of the x and y is 12 and -10 respectively and the provided figure is a parallelogram because the diagonals bisect each other.

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A shape is shown. What is the area, in square inches, of the shape?
7 in

Answers

Answer:

104 square inches .............

PLEASE HELP MEEE! Simplify 6! − 3!

6!(1 − 2!)
3!((6x5x4) − 1)
3!(2! − 1)
6!(1 − 0.5!)

Answers

The simplified form of the expression 6! − 3! when it is simplify using the properties of factorial is 3!((6x5x4) − 1).

What is the simplified form of a term?

Simplified form of a term is the simplest way of expression the term, which is obtained  by applying the required operations of mathematics.

Factorial is the way to write the product of the numbers from its phase value to 1 in decreasing order. Suppose, the number is 3!. Then it can be written as,

3!=3×2×1

The expression which has to be simplified is,

6! - 3!

It can be written as,

6! - 3!

(6×5×4×3!)-3!

3!((6×5×4)-1)

Thus, the simplified form of the expression 6! − 3! when it is simplify using the properties of factorial is 3!((6x5x4) − 1).

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[tex]\huge\text{Hey there!}[/tex]


[tex]\mathsf{6! - 3!}\\\mathsf{\approx 6(5)(4)(3)(2)(1) - 3(2)(1)}\\\mathsf{\approx 30(4)(3)(2)(1)- 6(1)}\\\mathsf{\approx 120(3)(2)(1) - 6}\\\mathsf{\approx 360(2)(1) - 6}\\\mathsf{\approx 720(1) - 6}\\\mathsf{\approx 720 - 6}\\\mathsf{\approx 714}\\\mathsf{\approx 3!((6\times5\times4) - 1)}[/tex]


[tex]\huge\text{Answer: \boxed{\mathsf{3!((6\times5\times4) - 1)}}}\huge\checkmark[/tex]


[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]


~[tex]\frak{Amphitrite1040:)}[/tex]

Write the Prime factors that 24 and 36 have in common By showing them multiplied together

Answers

The prime factors that the numbers 24 and 36 have in common are found out to be; 2 × 2 × 3

How to get prime factors?

A prime factor of a number is simply factor of that number that is a prime number. This means that any of the prime numbers that can be multiplied to give the original number.

Now, we have;

Prime factors of 36; 2 × 2 × 3 × 3

Prime factors of 24; 2 × 2 × 2 × 3

The prime factors that they have in common will be; 2 × 2 × 3

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