write this ratio in the simplest frorm 6 to 21

The diameter of the circle is 19.8 inches.

We are given the value of side of square in the question. The diameter of the circle will be equal to the diagonal of square. The diagonal of square can be calculated using Pythagoras theorem. So, finding the diagonal of square, which will be hypotenuse.

Diagonal² = Base² + Perpendicular²

Diagonal² = side² + side²

Keep the values to find the value of diagonal

Diagonal² = 14² + 14²

Take square of values on Right Hand Side of equation

Diagonal² = 392

Diagonal = √392

Taking square root on Right Hand Side of equation

Diagonal = 19.8 inch

So, diagonal of square is diameter of circle which is 19.8 inches.

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Answer:

a) -18/3 = - 6

b) 18/-3 = - 6

c) - 18/-3 = 6

Hope this helps :)

Answer:

50.27

Step-by-step explanation:

x=5 that's my final answer because 2(8)=4x-4

The solution of the given equation 5/2x - 2/3 = 1/x + 5/6 is at x = 9/11.

According to the given question.

We have an equation

5/2x -2/3 = 1/x + 5/6

Since, we have to solve the above equation for x.

Thereofore, the solution of the equation 5/2x -2/3 = 1/x + 5/6 is given by

5/2x -2/3 = 1/x + 5/6

⇒ 5/2x -1/x  = 5/6 + 2/3

⇒  (5 -2) /2x  =   5+ 2(3)/6

⇒ 3/2x = 11/6

⇒6(3)  = 11(2x)

⇒ 18 = 22x

⇒ 18/22  = x

⇒ 9/11 = x  or x = 9/11

Hence, the solution of the given equation 5/2x - 2/3 = 1/x + 5/6 is at x = 9/11.

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The machine will take 6.25 minutes to grade 300 multiple choice tests.

Unitary method is a concept in which the value of a single unit is first found out and then multiplied by the necessary value to get the required answer.

Here, we are given that a grading machine can grade 96 multiple choice tests in 2 minutes.

This means that the machine will take 2/96 minutes to grade one multiple choice test

X = number of minutes taken by the machine to grade 300 multiple choice tests

Thus, we can use the proportion 2/96 to predict X in the following manner-

X = 2/96 (300)

X = 600/ 96

X = 100/ 16

X = 6.25

Thus, the machine will take 6.25 minutes to grade 300 multiple choice tests.

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The simplification of the given complex fraction [tex]1- \frac{1}{\frac{4}{2-\frac{3}{5} } }[/tex] is equal to (23)/(28).

As given in the question,

Given complex fraction is [tex]1- \frac{1}{\frac{4}{2-\frac{3}{5} } }[/tex]

Simplify the given complex fraction by taking the least common multiple,

[tex]1- \frac{1}{\frac{4}{2-\frac{3}{5} } }\\\\\\= 1- \frac{1}{\frac{4}{\frac{10-3}{5} }}\\ \\= 1- \frac{(1)(5)}{(4)(7)}\\ \\= \frac{(28-5)}{28}\\ \\= \frac{23}{28}[/tex]

Therefore, the simplification of the given complex fraction [tex]1- \frac{1}{\frac{4}{2-\frac{3}{5} } }[/tex] is equal to (23)/(28).

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By elimination, the solution of the system of equations, 5x - y = 4 and 2x - y = 1, is (1 , 1).

A system of equations is a set of two or more equations which includes common variables. To solve system of equations, we must find the value of the unknown variables used in the equations that must satisfy all the equations.

There are three methods that can be used to solve system of equations.

1. Elimination

2. Substitution

3. Graphing

Using the elimination method, given two equations in x and y, a variable should be eliminated by adding/subtracting the two equations.

Subtracting the two equations will eliminate the variable y.

5x - y = 4     (equation 1)

2x - y = 1     (equation 2)

3x      = 3

x = 1

Substitute the value of x to any of the two equations and solve for y.

5x - y = 4     (equation 1)

5(1) - y = 4

-y = 4 - 5

-y = -1

y = 1

Hence, the solution of the system of equations is (1 , 1).

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Answer:

a = 4(d - g)

Step-by-step explanation:

d - g = [tex]\frac{1}{4}[/tex] a ( multiply both sides by 4 to clear the fraction )

4(d - g) = a

23 lies between the two perfect squares 16 and 25 which are the squares of 4 and 5 respectively.

The value of √23 lies between 4 and 5.

What in mathematics is a perfect square?

Informally: A square number, perfect square, or simply "a square" is the result of multiplying an integer (a "whole" number), positive, negative, or zero, times itself. Therefore, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on are all square numbers.

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Answer:

982888428848588828480484883858

Step-by-step explanation:

The Surface area of a cone is 308.647 sq. inches.

What is the Surface area of cone ?

The area occupied by the surface / boundary of a cone. It is always measured in square units. Stacking many triangles and rotating them around an axis gives the shape of a cone. As it has a flat base, thus it has a total surface area as well as curved surface area.

The surface area of the cone can be given by finding the area of the sector by using the formula,

Area of the sector (in terms of length of arc) = (arc length x radius) / 2 = ((2πr) x l) /2 = πrl.

We are given the height and radius

h = 19 inches

r = 5 inches

The formula for Surface Area is:

Surface Area = πrl

We have to find slant height first:

[tex]l=\sqrt{h^{2}+r^{2} }[/tex]

[tex]l=\sqrt{19^{2}+5^{2} }\\ l=\sqrt{361+25}\\l= \sqrt{386}[/tex]

[tex]l=19.467 inches[/tex]

Now, The Surface Area is:

SA = πrl (π = 3.14)

SA = 3.14 x 5 x 19.467

SA = 308.647 [tex]inches^{2}[/tex]

Hence, The Surface area of a cone is 308.647 sq. inches.

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The function C that represents how much more it costs to rent a luxury car than an economy car is; C = 8.45 + 0.45M

We are given the function that represents the charge E(in dollars) to rent an economy car as;

E = 12.95 + 0.60M

The function that represents the charge L (in dollars) to rent a luxury car is given by; L = 21.40 + 1.05M

Now, we are told that the function C represents how much more it costs to rent a luxury car than an economy car. This is expressed as;

C = L - E

Thus;

C = 21.40 + 1.05M - (12.95 + 0.60M)

C = 21.40 + 1.05M - 12.95 - 0.60M

C = 8.45 + 0.45M

Thus, the function C that represents how much more it costs to rent a luxury car than an economy car is; C = 8.45 + 0.45M

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Applying the triangle midsegment theorem, the length of BC is: 12 units.

The segment that connects the midpoints of two sides of a triangle is referred to as the midsegment of a triangle.

According to the triangle midsegment theorem, this midsegment is parallel to the third side of the triangle and also has a length that is half of the length of the third side of the triangle.

That is: length of midsegment = 1/2(length of the third side).

Given the following:

DE is a midsegment and is parallel to BC, a third side.

DE = 6 units

Thus, based on the triangle midsegment theorem, DE = 1/2(BC)

Substitute

6 = 1/2(BC)

2(6) = BC

12 = BC

BC = 12 units.

In conclusion, applying the triangle midsegment theorem, the length of BC is: 12 units.

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The probability that a break will occur in the first 50 meters of the tightrope is about 15.625%.

Probability:

The term probability refers the possibility occurring the particular event.

Given,

A 320 meter long tightrope is suspended between two poles.

Here we assume that the line has an equal chance of breaking anywhere along its length.

Now, we need to determine the probability that the break will occur within 20 meters of a pole.

From the given question,

The line has an equal chance of breaking anywhere along its length.

The first 50 meters form ,

=> [ 50 / 320 ] x 100

=> [ 5 / 32 ] x 100

=> [ 0.15625] x 100

=> 15.625 %.

Therefore, the probability that a break will occur in the first 50

meters of the tightrope is about 15.625%.

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The range of the data set 1 and data set 2 is 4

Data set 1

The maximum value of the data set 1 = 7

The minimum value of the data set 1 = 3

The range is the difference between the maximum value and minimum of the data set

Range = Maximum value - Minimum value

Range of the data set 1 = 7 - 3

= 4

Data set 2

The maximum value of the data set 2 = 7
The minimum value of the data set 2 = 3

The range = Maximum value - Minimum value

The range of the data set 2 = 7 - 3

= 4

Hence, the range of the data set 1 and data set 2 is 4

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The equation of line tangent is y-35x+30=0.

What is tangent of a line?

A tangent line to a circle is a line that touches the circle exactly one time in Euclidean plane geometry and never enters the interior of the circle. Tangent lines to circles are the focus of various theorems and are crucial to numerous geometric structures and mathematical arguments.

Given equation y=2x+33x-2

                       =>y=35x-2

General slope intercept form is y=mx+b

Comparing and we get m = 35

The equation of tangent is y-5=35 (x-1)

=> y-5=35x-35

=> y=35x-35+5

=>y-35x+30=0

Therefore, the equation of line tangent is y-35x+30=0.

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The subtraction equation to addition equation is as follows;

By converting the subtraction equation to addition equation, we have to change the sign from subtraction to addition but the equation overall remain the same.

Therefore,

a - 9 = 6

add 9 to both sides

a - 9 + 9 = 6 + 9

a  = 6 + 9

p - 20  = -30

add 20 to both sides

p = -30 + 20

z - (-12) = 15

open the bracket by multiplying the signs

Therefore,

z + 12 = 15

x - (-7) = -20

open the bracket by multiplying the signs

x + 7 = -20

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The equation which correctly gives P in terms of E, O and M as required is; P = 6E - 4M - O.

It follows from the task content that the expression which represents P in terms of E, O and M be determined.

On this note, since the initial formula is;

E = (O + 4M + P)/6

Multiply both sides by 6;

6E = O + 4M + P

Subtract O and 4M from both sides;

P = 6E - 4M - O.

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A ratio shows us the number of times a number contains another number. If the ratio between their radii of two circles is 2, then the ratio of their circumference will also be equal to 2.

A ratio shows us the number of times a number contains another number.

Given that the ratio of the radius of two circles is 2. Therefore, we can write the ratio as,

Now, a conjecture that can be made regarding the ratio of the circumference of the circle is that the ratio of the circumference of circle A and circle B will also be 2.

Further, let's check the ratio of the circumference of the circle.

The ratio of the circumferences can be written as,

Circumference of the circle A/Circumference of the circle B = 2πk / 4πk

Circumference of the circle A/Circumference of the circle B = 1/2

Hence, If the ratio between their radii of two circles is 2, then the ratio of their circumference will also be equal to 2.

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Answer:

22 yards

Step-by-step explanation:

Let x equal the number of yards of ribbon at $.07 per yard:

$18.46 + 0.07x = $20.00

Solve for x

Subtract $18.46 from both sides

0.07x = $1.54

Divide both sides by .07

x = 22

The value of x is 27/4

Given that [tex]\frac{x}{3}-2=\frac{1}{4}[/tex]

So, we will start by

Finding common denominator and combining them

[tex]\frac{x}{3}-2=\frac{1}{4} \\\frac{x}{3}+\frac{3(-2)}{3}=\frac{1}{4}[/tex]

[tex]\frac{x+3(-2)}{3}=\frac{1}{4}[/tex]

[tex]\frac{x-6}{3}=\frac{1}{4}[/tex]

then cross multiplying them

[tex]4(x-6)=1(3)\\4x - 24 = 3[/tex]

Add 24 to both sides

4x-24=3

4x - 24 + 24 = 3 + 24

Simplify Add the numbers

4x=27

Divide both sides by the same factor

4x=27

[tex]\frac{4x}{4}}=\frac{27}{4}}[/tex]

Simplify and Cancel terms that are in both the numerator and denominator

[tex]x=\frac{27}{4}[/tex]

So, the value of x for the given is x = 27/4.

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The value of x for the equation [tex]\frac{x}{3}-2 =\frac{1}{4}[/tex] is 27/4

Given that [tex]\frac{x}{3}-2 =\frac{1}{4}[/tex]

So, we will start by

Finding common denominator and combining them

[tex]\frac{x}{3}-2 =\frac{1}{4}\\\frac{x-6}{3} =\frac{1}{4}\\[/tex]

[tex]4({x-6}) =3({1})\\\\4x - 24 = 3\\[/tex]

Divide both sides by the same factor

[tex]4x - 24 + 24 = 3 +24\\x = \frac{27}{4}\\\\Simplify \ Add \ the \ numbers\\4x=27\\x=\frac{27}{4}[/tex]

So, the value of x for the given is x = 27/4.

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Answer:

x < 1

Step-by-step explanation:

Answer: 2000.18 unit^3

Step-by-step explanation:

radius = 14 / 2 = 7

V of cylinder = π x r^2 x h

= 3.14 x 7^2 x 13

= 3.14 x 49 x 13

= 2000.18 unit^3

Based on the temperature at the beginning of the day, and the change in temperature by the end of the day, the temperature at day's end was -3°C.

The temperature started at 4°C and then dropped during the day by a temperature of 7°C.

The temperature at day's end will therefore be:
= Beginning temperature - Change in temperature

Solving gives:

= 4 - 7

= -3 °C

In conclusion, the change in temperature would lead to an ending temperature of -3°C.

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Answer:

The series third has a sum of 5 option (C) is correct because the sequence represents the sum of the infinite terms.

What is a sequence?

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

We have a series shown in the picture.

The geometric sequence is shown in the options.

As we know, in the geometric sequence there is a first term and common difference

In the first sequence:

First term a = 2

Common difference = 2(0.1)/2

Common difference d = 0.1

The sum of the infinite series is:

S = a/(1 - r)

S = 2/(1 - 0.1)

S = 2.22

In the second sequence:

First term a = 15

Common difference = 15(0.3)/15

Common difference d = 0.3

The sum of the infinite series is:

S = a/(1 - r)

S = 15/(1 - 0.3)

S = 21.42

In the third sequence:

First term a = 4

Common difference = 4(0.2)/4

Common difference d = 0.2

The sum of the infinite series is:

S = a/(1 - r)

S = 4/(1 - 0.2)

S = 5

Thus, the series third has a sum of 5 option (C) is correct because the sequence represents the sum of the infinite terms.

Step-by-step explanation:

The constant of variation in  y = (6)x is (6)

y = kx            (Where k is the constant)

Here,

⇒ y = (6)x

So, k = (6)

To solve linear equations, utilize the steps that are provided below.

Lets take an example of solve z for 7z – (3z – 4) = 12

Here is no multiplication or division, so this will be easy to solve

⇒ 7z – (3z – 4) = 12

⇒ 7z – 3z + 4 = 12

⇒ 4z = 12 – 4

⇒ 4z = 8

⇒ z = 8/4

⇒ z = 2

See, that was so simple, using the mentioned methods, every linear equation can be solved easily.

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Step-by-step explanation:

I use a thing call

P-parenthesis

E-exponents

M D-Multiplication and division (Left to right)

A S- Addition and Subtraction (left to right)

We need to wait to use the exponents so 5x2=10, Add the 2 power to ten so 10^2.=100. 100^3.

Answer:

Step-by-step explanation:

[tex]A(-5)=4(-5)^{2} -3(-5)+2\\A(-5)=100+15+2\\A(-5)=117[/tex]