81 is divisible by?

1. 3
2. 4
3. 6
4. 8

The approximate volume of the greenhouse will be 1,527 ft³.

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

Ellen's greenhouse is in the shape of a hemisphere.

And, The diameter of the floor is 18 feet.

Now,

Since, Ellen's greenhouse is in the shape of a hemisphere.

We know that;

⇒ The volume of Hemisphere = (2/3) πr³

Here, The diameter of the floor is 18 feet.

Hence, The radius of the floor = 18/2

                                               = 9 feet

So, We get;

⇒ The volume of Hemisphere = (2/3) πr³

⇒ The volume of Hemisphere = (2/3) × 3.14 × 9³

                                               = 1,527 ft³

Thus, The approximate volume of the greenhouse =  1,527 ft³

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The minimum value of the given function f(x) = 16x² −16x+28 is 24.

The curve of a function has peaks and troughs called maxima and minima. A function may have any number of maxima and minima. Calculus allows us to determine any function's maximum and lowest values without ever consulting the function's graph.

To find the minimum value of the function f(x) = 16x² −16x+28 using the derivative method, you can start by taking the derivative of the function. The derivative of a quadratic function is given by:

f'(x) = 2ax + b

In this case, the derivative of the function f(x) is:

f'(x) = 2×16x - 16

To find the minimum value, we need to find the x value that makes the derivative equal to zero. Setting the derivative equal to zero and solving for x gives us:

216x - 16 = 0

32x = 16

x = 0.5

Now that we have the value of x that minimizes the function, we can plug this value back into the original function to find the minimum value:

f(0.5) = 16×(0.5)² - 16(0.5) + 28 = 4 - 8 + 28 = 24

Therefore, the minimum value of the function is 24.

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Answer:

3.82 km

Step-by-step explanation:

Assuming that the change in elevation is linear, we can calculate the elevation change per km traveled.  The known values are the start (0km) and the sign (3km).  The elevation gain over that interval is (0.95-9.0)km = 0.5km.  That was for an distance interval of  3km, so we can write:

(0.5km elevation gain)/(3km distance)

We can use this as a rate change and and use it in a linear equation to predict the elevation as a function of distance.

Let y be the elevation and x the distance, both in km.

y = (0.183)(x)+b, where b is the elevation at the start of the trail.  We can find b by using this equation and entering one of the two data points.  Lets use the elevation of 0.95m at 3km distance:

y = (0.183)(x)+b

0.95 = (0.183)(3)+b

b = 0.4km

The full equation is :

y = (0.1833)X + 0.4

Enter 1.1 km for y and calculate x, the distance to reach 1.1 km altitude.

1.1 = (0.1833)X + 0.4

X = 3.82 km

Answer:

2

Step-by-step explanation:

Any number to the power of 1 is that number itself, thus 2 to the power of 1 is 2.

Step-by-step explanation:

an exponent always means how often the base (or base number) is multiplied by itself.

like

3⁴ = 3×3×3×3

5³ = 5×5×5

x⁵ = x×x×x×x×x

so,

x¹ = x

for every value of x.

and therefore

2¹ = 2

The level of a line's slope indicates its steepness, here θ = [tex]tan^{-1/3}[/tex] is the slope angle of Y = 3x + 1.

The slope is computed mathematically as "rise over run" (change in y divided by change in x).

In accordance with the slope equation, the slope of such a line may be determined by dividing the rise of the line between two positions by the run of the same line between the same two sites.

Now, given that,  

Y = 3x + 1 ........ (1)

slope intercept form equation is: y = mx+c ........... (2)

next, if we compare (1) and (2)

it comes out to be

m = 3 representing slope

and c = 1 representing y-intercept.

now, slope angle: tan θ = m (slope)

tan θ = 3              [putting the value of m]

θ = [tex]tan^{-1/3}[/tex]

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The complete question is as follows:

What is the slope angle of Y = 3x + 1?

Answer:

Step-by-step explanation:

Determine an algebraic expression for the nth term of the following sequence.

A set of 3 figures are connected squares. Figure 1 is a column of 5 squares next to a column of 3 shaded squares. Figure 2 is figure 1 with an additional column of 3 shaded squares to the right. Figure 3 is figure 2 with an addition column of 3 shaded squares to the right to make 9 shaded squares.

The vertical asymptote of y = 1x - 5 is x = 5, since the denominator becomes zero when x = 5 and the function is undefined at this point.

The vertical asymptote of y = 1x - 5 is x = 5. This is because when x = 5, the denominator of the function (1x - 5) becomes zero, and the function is undefined at this point. As a result, the vertical asymptote is x = 5. This can be seen by taking the limit of the function as x approaches 5 from either side. As x approaches 5 from the left, the limit of the function is negative infinity, and as x approaches 5 from the right, the limit of the function is positive infinity. Thus, the vertical asymptote of y = 1x - 5 is x = 5, since the denominator becomes zero when x = 5 and the function is undefined at this point.

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Answer:

probably simple basic algebra

Step-by-step explanation:

Divide the dividend's leading digit by the divisor. Divide the first two digits of the dividend by the divisor, and so on, if the divisor is greater than the dividend's first digit.

Step 2: Type the dividend's quotient above it.

divide into parts; be divided into parts. cause one to disagree with .a significant difference between two groups that usually results in antagonism or conflict. the act or process of dividing; the condition of being divided; the act, process, or occurrence of distributing among many: distribution. : one of the segments or groups into which a whole is divided or is subdivided.

Divide the dividend's leading digit by the divisor. Divide the first two digits of the dividend by the divisor, and so on, if the divisor is greater than the dividend's first digit.

Step 2: Type the dividend's quotient above it.

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Answer:

Step-by-step explanation:

Sample Space

off  even numbers

= {2,4,6,8,10}.

There are 5 outcomes in the sample space,

Answer:

  arg(z) = 7π/6

Step-by-step explanation:

You want the argument of the complex number -√21/2 -√7/2i.

The argument of the complex number is the angle it makes with respect to the positive real axis. It can be found using the arctangent function, paying attention to quadrant.

The number can be written as ...

  [tex]z=-\dfrac{\sqrt{21}}{2}-\dfrac{\sqrt{7}}{2}i=\dfrac{\sqrt{7}}{2}(-\sqrt{3}-i)\\\\\arg{(z)}=\arctan{\dfrac{-1}{-\sqrt{3}}}\\\\\boxed{\arg{(z)}=\dfrac{7\pi}{6}}[/tex]

Answer: B. 210°

Step-by-step explanation:

The weight of the other apple is 250 grams.

As per the given data:

The weight of 2 apples is 400 gram.

The weight of 1 apple is 150 grams which I ate.

We have to determine the weight of the other apple.

Subtract the weight of 1 apple from weight of 2 apples

Subtraction is the process of taking away a number from another. It is a primary arithmetic operation that is denoted by a subtraction symbol (-) and is the method of calculating the difference between two numbers

One value is 400 and the other value is 150.

Means subtract 150 from 400.

The weight of the other apple = Weight of 2 apples - The weight of 1 apple

= 400 - 150

= 250 grams

Therefore the answer is 250 grams.

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The advantages of being a multinational corporation are mentioned below.

Multinational corporations (MNCs) have several advantages:

Expansion into new markets: MNCs can expand their operations into new markets around the world, which can increase their revenues and profits.

Access to cheaper labor: MNCs can take advantage of lower labor costs in different countries by setting up operations in those countries. This can help them reduce their overall production costs and increase their competitiveness.

Creation of a trade surplus: MNCs can create a trade surplus by exporting more than they import. This can benefit the economies of the countries where they operate by generating foreign exchange and creating jobs.

Lower tax payments: MNCs can reduce their tax payments by taking advantage of lower tax rates in different countries and by using tax havens.

Note that relying on unskilled workers is not necessarily an advantage of being an MNC, as it may not be the most efficient or effective way to operate. In fact, many MNCs rely on skilled workers in order to produce high-quality products and services.

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Below are some benefits of working for a multinational firm.

Multinational businesses (MNCs) benefit from a number of factors:

Expansion into new markets: MNCs can broaden their business activities into other geographies, which can boost their earnings.

Access to cheaper labor: By establishing operations there, MNCs can benefit from lower labor costs in other nations. They can become more competitive and lower their overall production costs as a result.

Making a trade surplus: By exporting more than they import, MNCs can make a trade surplus. Through the production of foreign exchange and the creation of jobs, this can help the economy of the nations where they are present.

Lower tax obligations: MNCs can lower their tax obligations by utilizing tax havens and nations with lower tax obligations.

The measure of angle SXU is m ∠SXU = 128°.

What is linear angles?

If the angles follow the intersection of the two lines in a straight line, they are said to be linear. A linear pair's total angles are always equal to 180°. These are also referred to as supplementary angles. Angles that share a vertex are said to be adjacent.

Given: m ∠RXU = 52°

We have to find the measure of angle m ∠SXU.

Let RS and VW are two lines intersects by a transversal TU.

∠3 and ∠4 are adjacent to each other after the intersection of the two lines.

Since the sum of angles of a linear pair is always equal to 180°.

⇒ ∠3 + ∠4 = 180°

52° + ∠4 = 180°

∠4 = 180° - 52°

∠4 = 128°

Hence, the measure of angle SXU is m ∠SXU = 128°.

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Energy sources that are non renewable include coal, natural gas, oil, and nuclear power.

The Complete Question is  Nonrenewable Resources.

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She completed one training day in a triathlon- 62.5 km.

Convert meter to kilometer :

               1 kilometer = 1000 meter

          ⇒  1 meter = [tex]\frac{1}{1000}[/tex] kilometer

On a training day, she swam = 1500 meter

                                                 = [tex]\frac{1500}{1000}[/tex] kilometer

                                                 = 1.5 kilometer

She rode a bike = 47000 meter

                           = [tex]\frac{47000}{1000}[/tex] kilometer

                           = 47 kilometer

She ran = 14 km

We may get the total distance by adding the distances she covered with swimming, riding, and running.

∴ Total distance she covered for a triathlon = ( 1.5 + 47 +14) km

                                                                         = 62.5 km

She completed one training day in a triathlon - 62.5 km.

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The equation of a line in different forms are:

1. The slope-intercept form: y = mx + b.

2. The point-slope form: y - y₁ = m(x − x₁).

3. The standard form: ax + by = c.

There are three ways that an equation that represents a line can be written in, they are as follows:

1. The slope-intercept form: this is expressed as y = mx + b. In this form, we have the following values and what they each represent:

m = the slope of the line.

b = the y-intercept of the line,

x and y are the coordinates of a point on the line.

2. The point-slope form: this is expressed as y - y₁ = m(x − x₁). In this form, the variables represented are:

m = the slope of the line.

x₁ and y₁ are the coordinates of a point that the line passes through.

3. The standard form: this is expressed as ax + by = c. In this form, the variables a, b, and c are integers.

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The median for the data is 24.

Median is the middle value of the set of data when the data is arranged in an ascending order.

The median of a data has a higher frequency if the data is distributed symmetrically.

We will arrange the given data in ascending order as 21, 23, 24, 25 and 27.

Also, the number of values here is 5, which is an odd number. As we know if the number of values is odd in a data, then the middle value will be the median.

For 5 numbers, the middle value will be the number from either side.

In the given data, as we can see that the value is 24, so 24 will be the median for the data.

Hence, the median for the data is 24.

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The correlation coefficient is increasing, which may have an effect on the influential points. Thus, option (a) is correct.

The correlation coefficient, in general, quantifies the strength of the association between two variables.

To find non-linearity, influential spots, or improper grouping in a dataset, for example. A scatter plot is used to graph the data set.

Here, the correlation coefficient is r = 0.813.

Linearity is evident since there is a significant link between the two variables. As a result, non-linearity has no effect on it. It is not influenced by incorrect categorization when it appears that type of case correlation may be lower.

The correlation coefficient is increasing, which may have an effect on the influential points.

Thus, option (a) is correct.

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Set grade 3 math is a subject that helps children to develop a fundamental understanding of mathematics.

Grade is a measure of academic progress. It is typically expressed as a letter or numerical score that reflects the level of achievement in a course or program. Grade is an important factor for measuring student performance and can be used to make decisions about placement, academic standing, and course selection. Grade is also used to inform students and parents about how well students are doing in their studies. Grade is often the most important factor in determining a student's overall academic success.

Set grade 3 maths covers topics such as addition, subtraction, multiplication, division, fractions, decimals, shapes, measurement, and problem-solving. This subject is important for the development of a child's critical thinking and reasoning skills. It encourages students to think logically, observe patterns, and use math operations to solve problems. Set grade 3 math also provides students with the opportunity to learn important mathematical concepts in a fun and engaging way.

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Answer:

Set grade math is a mathematical model for a collection of different things a set contains elements or members which can be mathematical objects of any kind numbers and symbols points in space.

To draw a linear inequality in graph the steps are mentioned below.

The graph of a two-variable inequality is the set of points that describe all solutions to the inequality. The coordinate plane is split in half by a boundary line created by a linear inequality, with one-half representing the solutions to the inequality.

Steps are described below:

Step 1: Always begin by separating the variable y from the inequality's left side.

Step 2: Replace the symbol for inequality with that for equality.

Step 3: In the xy plane, graph the boundary line from step 2. You are creating the boundary line that would divide or cut the xy-plane into two sections in this stage.

Step 4: Shading one side or area of the boundary line is the final step.

Step 5: Use this optional step to check or confirm that you have shaded the boundary line's side appropriately.

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Expression is a constant, variable or constant multiplied by a variable separated by operator.

Identity, as we all know, is equality, which holds true regardless of the variable's value. These identities are algebraic formulas that show that for all possible values of the variable, the Left-Hand Side (LHS) and the Right-Hand Side (RHS) of the equation are equal. A phrase that can have any value is called a variable.

Monomial, polynomial and binomial are the three types of algebraic expression.

An expression with variables, constants, and algebraic operations is known as an algebraic expression (like subtraction, addition, multiplication, etc.). Terms comprise expressions. For instance: 5x+20y, 6-8x.

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Answer: Answer -38

Simplified version: -48 + 10

Step-by-step explanation: Sorry If I'm wrong.

Area: The total space covered by the two-dimensional surface of an object, or a flat shape is called an area.

Many different area formulas are available to get the area of various two-dimensional shapes. We can also get a shape's area by counting the number of unit squares that cover the whole surface of the object.

This method helps us to learn and make out the concept of area.

The unit of area is forever measured in square units like square centimeters, square meters, square inches, and so on.

Volume: The space enclosed within the object or the space covered by any three-dimensional solid object is known as volume.

To find the volume, we divide the occupied space into equal cubical units and calculate the total occupied cubical units, The unit of volume can be in a cubic centimeter, cubic meter, cubic inches, and so on.

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In mixed number form, the change in the distance when using the new road instead of the dirt roads is 2 1/12 miles lesser.

To determine the change in the distance when using the new road instead of the dirt roads, we need to find the difference between the distance of the new road and the distance of the dirt roads.

The distance of the dirt roads is the sum of the two measurements given, which is 2 3/8 + 3 5/6 = 5 15/24 miles.

The change in the distance when using the new road instead of the dirt roads is the difference between the distance of the new road and the distance of the dirt roads, which is 4 1/3 - 5 15/24 = -2 2/24 miles.

In mixed number form, the change in the distance when using the new road instead of the dirt roads is -2 and 2/24 = -2 1/12 miles.

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To prove two triangles are similar in the given circles need to prove that intercepted arc formed by the pair of angles should be equal or same.

As given in the question,

Two triangles formed in the circle are similar required following steps to prove it correct:

Therefore, to prove the two triangles are similar in the circle need to prove they have same intercepted arc formed by the pair of angles.

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Answer:

  yes, ∆RST ~ ∆XYZ

Step-by-step explanation:

You want to know if ∆RST is similar to ∆XYZ when RS=6, ST=14, XY=9, YZ=21 and ∠S≅∠Y.

Two triangles are similar by the SAS theorem if corresponding sides have the same ratio, and the angles between them are congruent.

Corresponding sides are ...

  RS : XY = 6 : 9 = 2 : 3

  ST : YZ = 14 : 21 = 2 : 3 . . . . same ratio

The angles between them are ...

  ∠S, ∠Y . . . . . given as congruent

Corresponding sides have the same ratios, and the angles between them are congruent, so the triangles are similar.

Answer:

-5

Step-by-step explanation:

The slope is -5

5x + Y = -7

-5x

=

Y= -5x - 7

Yes , it Is the equation that is a linear equation in two variables √ 2x √ 5y 16

The equation of standard linear equation in two variables can be expressed as

ax + by + c = 0

here,

a, b,c are real numbers.

Power of x and y are 1,So named linear equation.

It must be sure that non of a and b is equal to zero.

If either of a and b is equal to zero,then the equation becomes linear equation in one variable.

Solution of linear equation in two variables:

If only one equation is given,then infinite many solutions are present.

If two equations are given,then three type of solutions are present:

Unique situation

Infinite many solutions

No solution

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