A school orchestra has 60 members 20%of the members are percussionists,how many orchestra members are percussionist

The answer is:

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Answer:

8.1

Step-by-step explanation:

100%= 45

1%= 45÷100

= 0.45

18%= 0.45×18

= 8.1

Answer:

Step-by-step explanation:

You need the area.

If this is a square - it is 54 × 54 = 2916 inches squared

The price of each ticket is given as follows:

The prices for each type of ticket are obtained via a system of equations, for which the variables are given as follows:

On the first day of ticket sales the school sold 12 senior citizen tickets and 6 student tickets for a total of $252, hence:

12x + 6y = 252

2x + y = 42 (simplifying by 6).

y = 42 - 2x.

The school took in $98 on the second day by selling 6 senior citizen tickets and 1 student ticket, hence:

6x + y = 98

y = 98 - 6x.

Equaling the two equations, the value of x is obtained as follows:

42 - 2x = 98 - 6x

4x = 56

x = 56/4

x = 14.

Then the value of y is of:

y = 98 - 6(14)

y = 14.

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Answer:

22.5%

Step-by-step explanation:

45×50/100 gives you the answer using BODMAS

There are 1000 cubic centimetres in a litre (cm3). This is so because one cubic centimetre (cc) equals one millilitre (ml), and one litre (l) equals 1000 ml.

1000 ml make up 1 litre (L).

ml (millilitres) = cm3

1000 ml = 1000 cm3

1 L = 1000 cm3

One litre is equal to one thousand cubic centimetres (cm3). This is because one cubic centimetre is equivalent to one millilitre (ml), and one litre is equal to 1000 millilitres (ml). The subsequent actions can be conducted in order to calculate this. Initially, one litre (L) equals one thousand millilitres (ml). Second, one cubic centimetre is equivalent to one millilitre (cm3). Thus, one millilitre is equivalent to one hundred cubic centimetres. Last but not least, one litre equals one thousand cubic centimetres, or 1 L = 1000 cm3. Anybody wishing to translate between the two different volume measures will find this information valuable. For instance, if a recipe calls for a certain amount of an ingredient in litres, it is simple to convert that amount to cubic centimetres if necessary.

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Arithmetic operations consists primarily of operations such as addition, subtraction, multiplication, and division. So the option A is correct.

The process of adding things together is known as addition. The '+' sign represents the addition process. It entails combining two or more numbers into a single expression.

The difference between two numbers is calculated using the subtraction operation. The '-' sign represents subtraction. It is nearly identical to addition, but it is the conjugate of the second term.

Multiplication is also referred to as repeated addition. It is indicated by " or '*'. It can also be combined with two or more values to produce a single value.

Division is the inverse of multiplication and is usually denoted by ". It is made up of two terms, dividend and divisor, and the dividend is divided by the divisor to yield a single term value.

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Answer: 6x^2-x-1

Step-by-step explanation:

(3x+1)(2x-1) = 6x^2 - 3x + 2x -1

6x^2-x-1

The height of the cylindrical concrete pillar is approximately 153.2 centimeters.

Suppose that the right rectangular prism in consideration be having its dimensions as 'a' units, 'b' units, and 'c' units, then its volume is given as:

[tex]V = a\times b \times c \: \: unit^3[/tex]

We are given that;

Length of prism=8.8cm

Height=4.4cm

Volume=271.04 cubic centimeters.

Now,

We can use the formula for the volume of a cylinder to find the height of the pillar. The formula for the volume of a cylinder is:

V = πr^2h

where V is the volume, r is the radius, and h is the height.

First, we need to find the radius of the pillar. The diameter of the pillar is given as 10 centimeters, so the radius is half of that:

r = 10/2 = 5 centimeters

Now we can substitute the given volume and radius into the formula and solve for the height:

12,042 = π(5)^2h

Divide both sides by π(5)^2:

h = 12,042 / (π(5)^2)

h ≈ 153.2 centimeters (rounded to one decimal place)

Therefore, by the given volume the answer will be 153.2 centimeters.

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The simplified form of a rational equation [x + 1 / (x - 2)] / [x² / (x - 2) + 1] is equivalent to (x - 1) / (x + 2).

In this problem we need to determine the simplified form of a rational equation, whose form is:

R(x) = P(x) / Q(x)

Where:

The simplification process can be done by means of algebra properties. First, write the rational equation:

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

Second, expand the numerator and the denominator:

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

Third, simplify the fraction by algebra properties:

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

(x - 1)² / [(x + 2) · (x - 1)]

(x - 1) / (x + 2)

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Answer:

a= 77, b= 77, c= 103.

Step-by-step explanation:

a= 77 (vertically opposite)

b= a= 77 (corresponding angles)

c= 180-77

 = 103 (angles on a straight line)

The values of the given expressions are respectively,  -5.33, 5.33, -6,  -6,  6

An expression is a sentence with at least two numbers or variables having mathematical operation. Math operations can be addition, subtraction, multiplication, division.

For example, 2x+3

Here are the calculations for each expression:

1. (-8) x 2/3

  = (-8) x 2/3

  = -16/3

  = -5.33

2. (-8) x (-2/3)

   = (-8) x (-2/3)

   = 16/3

   = 5.33

3. -18/3 = -6

4. 18/(-3) = -6

5. (-18)/(-3) = 18/3

                 = 6

So, the values of each expression are -5.33..., 5.33..., -6, -6, and 6, respectively.

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10 ml is equal to 2 teaspoons. This is because 1 teaspoon is equal to 5 ml. To calculate the number of teaspoons in 10 ml, you must divide 10 ml by 5 ml. 10 ml divided by 5 ml equals 2 teaspoons.

To convert milliliters to teaspoons, you must use the conversion factor of 1 teaspoon = 5 ml. This means that for every 1 teaspoon, there are 5 milliliters. To figure out the number of teaspoons in 10 ml, you must take 10 ml and divide it by 5 ml. This will give you the number of teaspoons in 10 ml.When converting from milliliters to teaspoons, it is important to use the correct conversion factor. If you use the wrong conversion factor, you will end up with incorrect results. For example, if you use 1 teaspoon = 4 ml instead of 1 teaspoon = 5 ml, you will end up with an incorrect result.In addition to using the conversion factor, it is also important to keep in mind that a teaspoon is a measure of volume, not weight. This means that the amount of liquid in a teaspoon may vary depending on the density of the liquid. For example, a teaspoon of water will contain more liquid than a teaspoon of honey.

In conclusion, 10 ml is equal to 2 teaspoons. To convert milliliters to teaspoons, you must use the conversion factor of 1 teaspoon = 5 ml. It is important to remember that a teaspoon is a measure of volume, not weight, and the amount of liquid in a teaspoon may vary depending on the density of the liquid.

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Answer:

3v + 14w + 13

Step-by-step explanation:

The expression can be simplified as follows:

(3v + 8w + 19) + (6w - 6)

Combining like terms, we have:

(8w + 6w) and (19 - 6)

3v + 14w + 13

So the simplified expression is equal to 3v + 14w + 13.

The statement "a line segment is a part of a line that is bounded by two distinct end points and contains every point on the line between its endpoints." is True because a line segment is defined as a part of a line that is bounded by two distinct end points and contains all the points on the line between those endpoints.

A line segment is a part of a line that has two endpoints and connects them. It is the shortest distance between two points and has a definite length, but no width or height. A line segment can be part of a straight line or a curved line.

A line segment is a section of a line that is defined by two distinct end points and includes every point on the line between them. It is the basic building block of geometry and can be used to measure distances, angles, and shapes.

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The weight of the object is 79.461 newtons.

The standard value for the acceleration due to gravity is approximately 9.81 m/s^2 near the Earth's surface.

To find the weight of an object with a mass of 8.1 kg, we can use the formula:

Weight = mass x acceleration due to gravity

So, the weight of the object is:

Weight = 8.1 kg x 9.81 m/s^2

Weight = 79.461 N (newtons)

Hence, the weight is 79.461 newtons.

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The area of the triangle is A = 10x¹⁰y³

A triangle is a plane figure or polygon with three sides and three angles.

A Triangle has three vertices and the sum of the interior angles add up to 180°

Let the Triangle be ΔABC , such that

∠A + ∠B + ∠C = 180°

The area of the triangle = ( 1/2 ) x Length x Base

For a right angle triangle

From the Pythagoras Theorem , The hypotenuse² = base² + height²

if a² + b² = c² , it is a right triangle

if a² + b² < c² , it is an obtuse triangle

if a² + b² > c² , it is an acute triangle

Given data ,

Let the triangle be represented as ΔABC

Let the area of the triangle be represented as A

Now , the base of the triangle is = 4x³y

Let the height of the triangle be = 5x⁷y²

And , The area of the triangle = ( 1/2 ) x Length x Base

Substituting the values in the equation , we get

Area of Triangle = ( 1/2 ) ( 4x³y ) ( 5x⁷y² )

On simplifying the equation , we get

Area of Triangle A = 10x¹⁰y³

Hence , the area of the triangle is A = 10x¹⁰y³

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71 degrees Fahrenheit is equal to approximately 21.7 degrees Celsius using the conversion method formula.

To convert Fahrenheit to Celsius, you can use the following formula:

Celsius = (Fahrenheit - 32) x 5/9

Plugging in 71 degrees Fahrenheit, we get:

Celsius = (71 - 32) x 5/9

Celsius = 39 x 5/9

Celsius = 195/9

Celsius ≈ 21.7

Therefore, 71 degrees Fahrenheit is approximately 21.7 degrees Celsius.

The Celsius scale is also known as the centigrade scale, because it is divided into 100 degrees between the freezing and boiling points of water at standard atmospheric pressure.

On the Fahrenheit scale, there are 180 degrees between the freezing and boiling points of water. Therefore, each degree on the Fahrenheit scale is equivalent to 5/9 of a degree on the Celsius scale.

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Answer:

1. b = [tex]\sqrt{20}[/tex]

2. c = [tex]\sqrt{2[/tex]

3. b = [tex]\sqrt{105}[/tex]

4. c = [tex]\sqrt{113}[/tex]

5. c = [tex]\sqrt{52}[/tex]

6. b = [tex]\sqrt{80}[/tex]

7. b = [tex]\sqrt{130}[/tex]

8. a = [tex]\sqrt{48}[/tex]

9. c = [tex]\sqrt{149[/tex]

10. c = [tex]\sqrt{5}[/tex]

Example:

[tex]a^{2}[/tex] + [tex]b^{2}[/tex] = [tex]c^{2}[/tex]

[tex]8^{2}[/tex] + [tex]b^{2}[/tex] = [tex]12^{2}[/tex]

64 + [tex]b^{2}[/tex] = 144

64 + [tex]b^{2}[/tex] = 144 - 64

[tex]b^{2}[/tex] = 80

[tex]\sqrt{b}[/tex] = [tex]\sqrt{80}[/tex]

The equivalent perimeter expression is 3 * 3

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

Side lengths = 3m, 3m and 3m

The perimeter of the triangle is the sum of the side lentths

So, we have

perimeter = 3 + 3 + 3

Using the distributive property, we have

Perimeter = 3 * 3

Hence, the perimeter expression is 3 * 3

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Complete question

The lengths of the sides of a triangle are represented by 3m, 3m and 3m.

The centroid of this triangle is located at the point (6, 3).

The centroid of a triangle is the point where the three medians of a triangle intersect. Medians are the line segments that connect each vertex of the triangle to the midpoint of the opposite side.

The centroid is the "center of mass" or the "balance point" of the triangle. In other words, if the triangle were made of a solid material and suspended by a string attached to the centroid, it would balance.

To find the coordinates of the centroid of a triangle, we will use the following formula:

G = (x1 + x2 + x3)/3, (y1 + y2 + y3)/3

Where G is the centroid, and (x1, y1), (x2, y2), and (x3, y3) are the coordinates of the triangle's vertices.

So for the triangle with the vertices s(2, 5), t(6, 5), and r(10, 0), we have:

G = (2 + 6 + 10)/3, (5 + 5 + 0)/3

G = (18/3, 10/3)

G = (6, 3.333...), which we can round to (6, 3)

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The vertical asymptote is at x = -2

The horizontal asymptotes are at y =0.

First, the vertical asymptote, it happens when the denominator becomes zero, then we need to solve:

-x - 2 = 0

x = -2

The vertical asymptote is at x = -2

For the horyzontal asymptotes we need to check the limit as x tends to ±∞, in both cases because x is only in the denominator, the function will tend to zero.

So we have two horizontal asymptotes at y = 0.

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Answer:13

Step-by-step explanation:

y=2x+7
x=3

2*3+7=13?

The solution is, the value of w is 13.

Here, we have,

We are given that the point (3,w) lies on the line y = 2x + 7.

This means that if we substitute x = 3 into the equation y = 2x + 7,

we will get the value of y at x = 3, which is equal to w.

so, we get,

Substituting x = 3 into the equation y = 2x + 7, we have:

y = 2(3) + 7

y = 6 + 7

y = 13

So, after simplification we get, w = 13

Therefore, the value of w is 13.

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Using mathematical operators, the value of the expression is 23

Simplification of an expression is the process of reducing a mathematical expression to its simplest form while retaining the same value. This is done by using various rules and techniques, such as combining like terms, using the distributive property, and applying the order of operations.

The goal of simplification is to make the expression easier to work with and understand. It also helps to avoid errors when solving problems or simplifying more complex expressions.

In this expression given;

3(x + 2y) - 2x + 10 = ?

x = 1, y = 2

3(1 + 2(2)) - 2(1) + 10 = 23

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Answer: $20.10

Step-by-step explanation: If you multiply 3.90 by 4 and add 4.50 you get 20.10

Answer:

!20.1

Step-by-step explanation:

I got here by multiplying $3.90 by four and adding $4.50. This equals $20.1

Hence the answer is: She will earn $20.1

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The equations are solved using graphing, elimination, substitution methods.

A system of equations are the set of equations where the solution for these equations are the intersecting point between the equations.

The systems of equations are given below are given below,

(a) -2x + 3y = 1(using elimination method)

     2x+6y= 2

     eliminating x term we get,

     9y = 3

     ⇒y=3.

(b)  y = x + 4 ---(1)(using substitution method)

     x = -3y---(2)

     Substitute (2) in (1) we get,

     y = -3y+4

     ⇒4y=4 ⇒y=1

(c)   3x - y = 7 (using graphing method)

      y = 3x - 2

     This system has no intersection point

     So this system has no solution.

    ( The graph is attached below.)

(d)   x + 2y = 1-----(1) (using elimination method)

      3x + 5y = 8-----(2)

     For eliminating x we have to the multiply equation(1) by 3,

      we get 3x+6y=3

      eliminating 3x we get, y=-5/3 substitute y in (1) we get x=49 /3

Hence, the equations are solved using graphing, elimination, substitution methods.

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Answer:

Step-by-step explanation:

its 3.02

25 mcg is equal to 0.025 mg. both are unit of measurement of weight.

The prefix "mcg" stands for microgram, which is a unit of measurement in the metric system that is one millionth of a gram (10⁻⁶ g). On the other hand, "mg" stands for milligram, which is one thousandth of a gram (10⁻³ g). Therefore, to convert from mcg to mg, you need to divide the value in mcg by 1000.

In this case, 25 mcg divided by 1000 equals 0.025 mg. It's important to be mindful of the units when dealing with measurements, as confusion between different units of measurement can lead to incorrect calculations and dosing errors.

Overall, when converting from mcg to mg, you can easily make the conversion by dividing the value in mcg by 1000, as the prefix "milli" represents a factor of 1000 in the metric system.

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