Does doubling the height of a cylinder have the same effect on the volume of a cylinder as doubling the radius? Explain

To find the average height over each coaster, we must first add the height of each one together

109+135+115+365+126 = 850

Now divide 850 by the total amount of coasters, 5

850
-------     =  170 Feet
 5

Since the amusement park claimed their average height was 170 ft, it is not misleading. It is a good strategy because it is an honest statistic, which gives the amusement park more liability.

A line segment has two endpoints, whereas a ray has one endpoint and extends infinitely in the other direction, and a line extends infinitely in both directions.

Similar triangles are triangles which have the same corresponding angle measures and proportional side lengths. The value of x is 17.5.

Similar triangles are triangles which have the same corresponding angle measures and proportional side lengths.

Let PQ be the line between RS and RT.

Now PQR and RST are similar triangles.

RT/RP=RS/RQ

14/8=x/10

Use cross multiplication

14(10)=8x

140=8x

Divide both sides by 8.

17.5=x

Therefore x is 17.5.

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The expressions can be simplified as follows-

1. (9 − 3) 2− (5 • 4)0 = 12

2. (2 + 3)5 ÷ (5 × 2)2 = 5/4

3. 4 × 2 ÷ (6 − 2)4 = 1/2

4. [(1 + 7) 2] 2• (12 2 )0 = 0

Let us look at each expression one by one-

1. (9 − 3) 2− (5 • 4)0

Zero multiplied by any number is 0 itself. Thus, the expression becomes-

= (9 - 3) 2

= 6 × 2

= 12

2. (2 + 3)5 ÷ (5 × 2)2

According to the rules of BODMAS, we first solve the brackets-

(5)5 ÷ (10)2

= 25 ÷ 20

= 25/20

= 5/4

3. 4 × 2 ÷ (6 − 2)4

= 4 × 2 ÷ (4)4

= 8 ÷ (4)4

= 8/16

= 1/2

4. [(1 + 7) 2] 2• (12 2 )0

= [(8)2]2• 0

= 0

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Answer:

Aisha is ten years old and Mpho is seven

The age of Aisha is 10 years old and the age of Mpho is 7 years old.

The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.

Aisha is three years older than Mpho. Together their ages add up to 17 years.

Let x be the age of Aisha and y be the age of Mpho. Then the equations are given as,

x = y + 3               ...1

x + y = 17             ...2

From equations 1 and 2, then we have

y + 3 + y = 17

2y = 14

y = 7

Then the value of 'x' is given as,

x = 7 + 3

x = 10

The age of Aisha is 10 years old and the age of Mpho is 7 years old.

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The distance from the fence to the edge of the garden using the center as reference point is 4 1/2 feet.

Given data

garden 14 1/2 feet long and 8 3/4 feet wide

Fence 23 1/2 feet long and 17 3/4 feet wide

We assume:

the fence has no thickness,

the distance considered is in the side of the length

the reference point for the distance is the center

Therefore:

Using the mid points we solve as follows:\

garden length / 2 - fence length / 2

= ( 23 1/2 ) / 2 - ( 14 1/2 ) / 2

= 11.75 - 7.25

= 4.5

= 4 1/2 feet

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Answer: 209 square inches, 182 cubic inches

Step-by-step explanation:

The lateral surface area is the sum of the areas each of the four faces.

The area of one face is [tex](1/2)(11)(9.5)[/tex]. Multiplying this by 4, we get 209 square inches.

To find the volume, we use the formula [tex]V=\frac{1}{3}Bh[/tex]. This gives us that the volume is [tex](1/3)[(1/2)(11)(11)](9)[/tex], or about 182 cubic inches.

Answer:

[tex]1. \;\;y = \dfrac{1}{3}x - 1\\\\2.\;\;y = -\dfrac{2}{5}x\\\\3.\;\;y = x + 8[/tex]

Step-by-step explanation:

The slope intercept form equation is y = mx + b

where m = slope and b = y-intercept

So for each case, substitute for slope(m) and y-intercept(b)

Answer:

1.  y = 1/3x + (-1)

2. y = -2/5x

3. y = 1x + 8 = 1x + 8 or  y = x + 8

Step-by-step explanation:

1. First of all, we need to know the slope-intercept form. The formula is y = mx + b. M represent the slope and b represents the y-intercept. So the question asked for the slope-intercept form for the slope that is 1/3 and the interception of -1. So we need figure out how to write it. It asked for -1/3 and -1 and we use the formal y = mx + b and it'll help us on figuring out how to write it. So far we have y = 1/3x + b, b is the intercept. The intercept would be -1. So the way we'd right it out is y = 1/3x + (-1). But first you have to multiply the + with -1. When we would multiply the signs you do it like this: (+) (+) = + and (-) multiplied by (-) is +. As well as (-) multiplied by (+) is -.

So for 1 the slope would be 1/3 and the (0, -1) . But we have to write it in the given form: y = mx + b ... m = slope, b = y intercept. So the way we'd right it is y = mx + b and m = slope, b = y intercept. Therefore the answer for this one is y = 1/3x - 1.

2. First we should know that we have the slope of -2/5 and the y-intercept is 0. The right form for this is y = -2/5x +. So for this one we got y = -2/5x because we said that the first one is 1/3 and -1. As well as the second is -2/5 and 0. The third is 1 and 8 as we wrote it earlier. So that's how we got our answer y = -2/5x for this question. Therefore our answer to this question is y = -2/5x.

3. For this one we first know slope = 1 and intercept =8. This equation is easier than both number 1 and 2 all we need to do is just put every given number in the right place. So we'll need to write the y as it is then add the = sign. Then write the slope which is given above. Then we have to write the x. We'll need to add the + sign and write the intercept given above next to it. After doing these steps you we'd have the answer because this is the general formula. So we would write 1 instead of m and the intercept is 8 so you need to write it instead of b. Therefore our answer would be y = 1x + 8 = 1x + 8 or another way we could write it is  y = x + 8 either way would be correct.

I hope this helps, have a blessed day! :)

The coordinates of the midpoint M of the line segment VW are M = (5, 6)

In this question,

We have been given a line segment having endpoints V(7, 2) and W(3, 10)

We need to find the coordinates of the midpoint M of the line segment VW.

We know that the midpoint of points (x1, y1) and (x2, y2) is

M = (x1 + x2 / 2, y1 + y2 / 2)

Using midpoint formula,

M = ((7 + 3) / 2, (2 + 10) / 2)

M = (10/2, 12/2)

M = (5, 6)

Therefore, the coordinates of the midpoint M of the line segment VW are M = (5, 6)

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Answer:

area is 3.14 r2

Step-by-step explanation:

here r = 5 inch

area = 3.14 × 25

so 78.5 in2

Answer: $ 6.50 per liter of petrol rose

Step-by-step explanation:

Answer: ABD=67 degrees

CBD=67 degrees

ABC=134 degrees

Step-by-step explanation:

ABC=ABD+CBD

25x+34=ABD+11x+23

14x+34=ABD+23

ABD=14x+11

ABD=CBD ==> Bisected angles are equal to each other since angle ABC is divided into two equal angles when bisected.

14x+11=11x+23

3x+11=23

3x=12

x=4

ABD=14x+11

ABD=14(4)+11

ABD=56+11

ABD=67 degrees

CBD=11x+23

CBD=11(4)+23

CBD=44+23

CBD=67 degrees

ABC=25x+34

ABC=25(4)+34

ABC=100+34

ABC=134 degrees

Answer:

∠ ABD = 67° , ∠ CBD = 67° , ∠ ABC = 134°

Step-by-step explanation:

since BD bisects ∠ ABC , then

∠ ABD = ∠ CBD = 11x + 23

∠ ABC = ∠ ABD + ∠ CBD ( substitute values )

25x + 34 = 11x + 23 + 11x + 23

25x + 34 = 22x + 46 ( subtract 22x from both sides )

3x + 34 = 46 ( subtract 34 from both sides )

3x = 12 ( divide both sides by 3 )

x = 4

Then

∠ ABD = 11x + 23 = 11(4) + 23 = 44 + 23 = 67°

∠ CBD = ∠ ABD = 67°

∠ ABC = 25x + 34 = 25(4) + 34 = 100 + 34 = 134°

Answer:

B) x ≥ –2 or x < 5

Step-by-step explanation:

We can immediately rule out A) All real numbers, since that will almost never be true for an inequality like this. We can also rule out C) 2 ≤ x < 5, since this is not a compound inequality.

Let's see if B) x ≥ –2 or x < 5 works by plugging in an x value greater than -2 and then, plugging in an x value less than 5.

Plug -1 into x

–4(-1) + 1 ≤ 9

4 + 1 ≤ 9

Combine like terms

5 ≤ 9

This is true, 5 is less than 9, so x ≥ –2 works.

Plug 4 into x

4∕5 + 2 < 3

Combine like terms

2.8 < 3

This is true, 2.8 is less than 3.

It can't be D) no solution now that B works, so B) x ≥ –2 or x < 5 is your answer.

Take care and Have a lovely rest of your day! :)

Answer:

a) 0

b) 1000

Step-by-step explanation:

revenue = R = 9x

cost = C = 3x + 6000

profit = P = R - C

(a)

P = R - C

P = 9x - (3x + 6000)

P = 9x - 3x - 6000

P = 6x - 6000

For 1000 pens, x = 1000.

P = 6(1000) - 6000

P = 6000 - 6000

P = 0

Answer: 0

(b)

R = C

9x = 3x + 6000

6x = 6000

x = 6000/6

x = 1000

Answer: 1000

Answer:

  $2367

Step-by-step explanation:

You want to know how to figure the 12% tax due on the amount that falls in the bracket $9876 to 29600.

Tax tables are often written in a somewhat misleading way. This one seems to tell you

  0 to 9875 . . . . 10% tax rate

  9876 to 29600 (and up to 40,125) . . . . 12% tax rate

What this means is that every dollar between (and including) the 9876th dollar and the 29600th dollar will have a $0.12 tax applied. It is figured by subtracting 9875 from the amount that falls in this bracket, and multiplying that difference by 12%.

  (29600 - 9875) × 12%

  = 19725 × 0.12

  = 2367 . . . . . . . . tax due on the amount in the 9876 to 29600 bracket

If your taxable amount is $29,600, the total tax due is ...

  (amount in first bracket) × 10% + (amount in second bracket) × 12%

  = 9875 × 0.10 + (29600 -9875) × 0.12

  = 987.50 +2367.00

  = $3,354.50 . . . . . . . . . . . total due on $29,600

__

Additional comment

It can be easier to write a new tax table that simplifies the computation. For taxable amounts up to $40,125, this table can be simplified to ...

Using this last entry for $29,600, we find the total tax due to be ...

  $29,600 × 0.12 - 197.50

  = $3,552.00 -197.50

  = $3,354.50 . . . . . . . same as above.

The amount $197.50 is (12% -10%)×9875.

Along the same lines, the rest of the tax table can be simplified to ...

It turns out that the tax due is the maximum of the values computed using these equations. (You don't actually have to know what bracket applies to your income. Knowing the bracket does simplify the process by choosing the applicable formula.)

Note that this is a tax table for 2020. The rates for 2021 are different.

The length of the rectangular wall of a barn is 7 and the width is 17 feet

Area of the rectangular wall of a barn = 119 square feet

Length of the wall of the barn = width of barn + 10 feet

Let the width of the wall of the barn be x feet

So, the length of the wall of the barn will be x + 10 feet

The area of the rectangular wall of the barn is given by:

Area of the rectangular wall of the barn = Length of the barn * Width of the barn

119 = x*(x+10)

119 = x^2 +10x

0 = x^2 +10x - 119

Using splitting the middle term method

0 = x^2 + 17x - 7x - 119

0 = x(x + 17) - 7(x + 17)

x = 17 or 7.

Since the width is 10 feet more than the length

Therefore, the length of the rectangular wall of a barn is 7 and the width is 17 feet

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Answer:

post a pic, OP, to get specific answer

Step-by-step explanation:

You can use any two points, usually uppercase letters, that are on the line, in any order. Also, lines are named with a single script or italicized lowercase letter that is written beside one end of the line. See image for example.

The real court is 9 by 18 meters in length and width.

The length of something is its width or size measured across its entire surface. Or, to put it another way, it is the larger of a geometric shape's higher two or three dimensions.

This statement implies that the court's original dimensions have been reduced by 22.5 for every 1 centimeter in the size of the current drawing, which is 40 cm by 80 cm. To get the original dimension, we will multiply the required dimension by each 22.5 cm as shown. Original length for a 40-cm length = 40 * 22.5 originally 900 cm long 100 cm equals one meter in metres. Multiply 900cm by x to get 9m: 100x = 900*1x = 900/100x Therefore, 900cm = 9m For the 80-cm width: Original width is equal to 80 * 22.5, or 1800 cm. 100 cm equals one meter in metres. multiplying 1800cm by x yields 100x, 1800*1, 1800/100x, and 18m. So 1800cm = 9m. As a result, the real court is 9 meters long and 18 meters wide.

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Answer:

140

Step-by-step explanation:

→ Find an expression for the area

6x × x = 6x²

→ Equate to area

6x² = 600

→ Solve

x = 10

→ Find length and width

Length = 60 and width = 10

→ Find perimeter

60 + 60 + 10 + 10 = 140

Step-by-step explanation:

you can ask questions for clarification

The expected foot length of an adult male who is 1.8 m tall is 30.8 cm.

Based on the information given, Jerry surveyed adult males to study the relationship between their high and the length of their footwear both are measured in centimeters and he found the equation y equals 75 + 3.4 x.

This will be illustrated as:

y = 75 + 3.4x..

y = 1.8m = 180

Therefore, y = 75 + 3.4x.

180= 75 + 3.4x

180 = 75 + 3.4x

Collect like terms

3.4x = 180 - 75

3.4x = 105.

Divide

x = 105 / 3.4

x = 30.8 cm

Therefore, the expected foot length of an adult male who is 1.8 m tall is 30.8 cm.

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By using the method of division,  circle=20 , triangle= 35.

One of the four fundamental mathematical operations, along with addition, subtraction, and multiplication, is division. Division is the process of dividing a larger group into smaller groups so that each group contains an equal number of things. It is a mathematical operation used for equal distribution and equal grouping. In this post, let's study more about the division operation in math. One of the fundamental mathematical operations is division, which involves breaking a bigger number into smaller groups with the same number of components.

Given that,

The circles are 3

Which have the total of 60.

So, the total value divided by total number of circles.

60/3= 20

20 is the value of each circle.

The triangles are 2 including one circle

Which have the total of 90

90 - 20(circle)= 70

So, the total value divided by total number of triangles.

70/2= 35.

35 is the value of each triangle.

Therefore, circle=20 , triangle= 35

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Answer:

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

From the given numbers :

Integers: -50,000,000

Rational numbers : -1/2 and -1.5

Real numbers : −√5 , -1/2, -50, 000, 000 , -1.5.

As given,

Given numbers:

A. −√5 :It is an irrational number.

Therefore belongs to real numbers.

B. -1/2 :In p/q form .

It is a rational and real number.

C. -50,000,000

It is a negative integer and real number.

D. -1.5 =-15 /10

          =3/2

It is a rational and real number.

Therefore, from the given numbers :

Integers: -50,000,000

Rational numbers : -1/2 and -1.5

Real numbers : −√5 , -1/2, -50, 000, 000 , -1.5.

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The missing values are x = 45, t = 90, n = 60, p = 75, m = 30, s = 15, k = 135, w = 30, f = 60 and y = 45.

Herein we have a geometrical system formed by six triangles, one of them is a equilateral triangle and other one is a right triangle. By geometry we know that the sum of the measures of a triangle is equal to 180°, the angles in a equilateral triangle have the same measure and one of the angles in a right triangle is a right angle.

Then, we have following system of linear equations:

t = 90                              (1)

t + 2 · x = 180                  (2)

3 · n = 180                       (3)

2 · p + m = 180                (4)

p + f + y = 180                 (5)

(t + 5) + w + n = 180        (6)

s + k + m = 180                (7)

x + n + p = 180                (8)

f + w = 90                        (9)

m + n = 90                      (10)

p + s = 90                        (11)

By (1) and (2):

x = 45

By (3):

n = 60

By (8):

p = 180 - 45 - 60

p = 75

By (4):

m = 180 - 2 · 75

m = 30

By (11):

s = 90 - 75

s = 15

By (7):

k = 180 - 15 - 30

k = 135

By (6) and (1):

w = 180 - 60 - 90

w = 30

By (9):

f = 90 - 30

f = 60

By (5):

y = 180 - 75 - 60

y = 45

The missing values are x = 45, t = 90, n = 60, p = 75, m = 30, s = 15, k = 135, w = 30, f = 60 and y = 45.

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Using the continuity concept, the functions are classified as follows:

1) Continuous.

2) Continuous.

3) Discontinuous.

A function f(x) is continuous at x = a if it is defined at x = a, and:

[tex]\lim_{x \rightarrow a^-} f(x) = \lim_{x \rightarrow a^+} f(x) = f(a)[/tex]

For functions 1 and 2, the functions are given by simple definitions, hence they are continuous, the limits and the numeric value will al be equal.

In item 3, the function will be discontinuous. This is because the function [x] returns the greatest integer less than x, hence:

Thus:

Due to different lateral limits, the function is not continuous at x = 2.

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Answer:

$78 700

Step-by-step explanation:

Four time periods   year 2 3 4 and 5

50 000 ( 1.12 )^4  =  50 000 ( 1.574) = 78700

           ( 1.574 is from the table for 12 % and 4 periods )

The two expressions to represent the perimeter of this rectangle include the following:

An expression can be defined as a mathematical equation which is used to show the relationship existing between two or more variables and numerical quantities.

Mathematically, the perimeter of a rectangle can be calculated by using this formula;

P = 2(L + W)

Where:

Substituting the given variables into the given expression, we have;

P = 2(2x + 6 + x)    ......expression 1.

For the second expression, we have:

P = 2(2x + 6 + x)

P = 2(3x + 6)        ......expression 2.

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Complete Question:

The length of a rectangle is 2x+6 and the width is x. Write two expressions to represent the perimeter.

Answer:

Option A

Step-by-step explanation:

When adjacent sides and angle between the adjacent sides are given, then,

 [tex]\sf \boxed{\text{\bf Area of Parallelogram = a*b * $Sin \ \theta$}}[/tex]

Here, a and b are the adjacent sides and [tex]\sf \theta[/tex] is the angle between them.

a = 16 cm ;  b = 30 cm ; [tex]\sf \theta = 45^\circ[/tex]

Area of parallelogram =  16 * 30 * Sin 45

                                     [tex]\sf = 16 * 30 * \dfrac{\sqrt{2}}{2}\\\\= 8*30*\sqrt{2}\\\\= 240\sqrt{2} \ sq.cm[/tex]