graph the following features Y-intercept = 2 Slope = -5/4

Answer:

soln:

x/y=1/6/1/3

=1/6×3/1

=1/2

Therefore x/y = 1/2

Answer:

A, B

Step-by-step explanation:

Given the system of equations, we should first solve for x and y so we can answer this question:

equation 1: x + y = 4, equation 2: x - y = 2 ⇒ add both equations together

x + y + x - y = 4 + 2 ⇒ combine like terms

2x + 0y = 6 ⇒ divide both sides by 2

x = 3 ⇒ plug into the x + y = 4 equation to solve for y

3 + y = 4 ⇒ subtract 3 from both sides

y = 4 - 3 = 1

Since we know y is the speed of the water current and x is the canoe's still water speed, we know that the water current's speed is 1 mph and the canoe's still water speed is 3 mph

This corresponds with choices A and B

Answer: x=-4

Step-by-step explanation:

You can find this algebraically by either solving for the y-value of the vertex or by adding the two zeros and dividing by two.

In this case: (-5.581, 0) and (-2.419)

-5.581 + -2.419

= -8

-8/2 = -4

Answer:

length x width x height or probably like area x height

Step-by-step explanation:

Answer: y=2/5x +5

Step-by-step explanation: slope is 2/5 y intercept is 5

Step-by-step explanation:

I cannot read what equation you wrote.

but it does not matter.

a quadratic equation has always 2 solutions.

as a cubic equation has always 3 solutions.

and so on.

sometimes they can be identical like for 0 = x² (with 0 as solution 2 times).

and sometimes they can be imaginary like in -1 = x².

but there always are 2 solutions for a quadratic equation.

for example with normal numbers :

1 = x²

the solutions are sqrt(1) = ±1 = +1 and -1.

9 more than a number in mathematical expression is written as n+9.

Any two integers can be compared using the greater than and less than symbols. Greater than and less than symbols are used to indicate whether one number is greater than or less than another. The greater than sign (>) is used when the first number exceeds the second number. The less than sign (<) is used when the first number is less than the second number.

The quantity on the left of the > sign is the greater quantity. It could be a variable or expression [like 10x-2 > 50].

Let the number be n,

More than signifies addition. Therefore, the expression would be n+9.

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The component of data analysis that Ralph is utilizing is the overall spread of the data. That is option D.

Data analysis is defined as the method a researcher uses to collect, clean, sort, and process raw data in a way that it's representation can be understood by the reader.

The mean of a data set is defined as the addition of all the data set which is then divided by the number of the data set.

The median of a data set is the number that falls at the middle of the set after being arranged in an ascending or descending order.

Therefore, to find the mean and median of a data set will depend on the spread out of the data.

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Complete question:

Ralph records the time it takes for each of his classmates to run around the track one time. As he analyzes the data on the graph, he notices very little variation between his classmates' times.

Which component of data analysis is Ralph observing?

A. An outlier in the data set

B. The overall shape of the data

C. The center of the data set

D. The overall spread of the data

Answer:

The overall spread of the data.

Step-by-step explanation:

Got it right on the test.

Answer:

[tex]x=13\cos 25^{\circ}[/tex]

Step-by-step explanation:

[tex]\cos 25^{\circ}=\frac{x}{13} \\ \\ x=13 \cos 25^{\circ}[/tex]

The expected profit, in cents, for a player who plays five games in a row, is given as follows:

26.25 cents.

The distribution that models the profit of a player for a single game is given as follows:

The expected value of a discrete distribution is calculated as the sum of each outcome multiplied by it's respective probability, hence:

E(X) = -4 x 0.25 + 0 x 0.25 + 5 x 0.25 + 20 x 0.25 = 5.25 cents.

For five games, the expected value is obtained as the multiplication of the expected value of a single game by five, hence:

5E(X) = 5 x 5.25 = 26.25 cents.

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Stacking chairs and sitting around table are examples of arithmetic sequence in real life

What is simple arithmetic?

The foundational subject in mathematics is arithmetic, which covers operations with numbers. These include multiplication, division, addition, and subtraction. One of the key areas of mathematics, arithmetic serves as the cornerstone for students studying the topic of mathematics.

How is arithmetic sequence used in daily life?

There are numerous applications for arithmetic sequences in daily life. The clock, for instance, demonstrates properties of an arithmetic sequence. The standard deviation of a clock's time is 1. Other examples of arithmetic sequences can be seen in daily life, such as our age.

Among these there are many other examples of arithmetic sequence is real life like fencing and perimeter examples.

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If there were two equation, one on top of the other, there would be infinitely many solutions. but here no solution

If there were two lines that intersected at one point, there would be one solution.

y=0 and y=-5 don't have any solutions. When you ask if a pair of equations have a solution, that means there is an intersection of the equations. The 2 equations will meet somewhere, and that is the solution. To find the solution, you set the equations equal to each other.

0≠-5

It is obvious that 0 and -5 are not equal to each other. Therefore, there is no solution. Also, y=0 and y=-5 are horizontal lines that are parallel to each other. They will never meet, which means there will be no intersection. No intersection means no solutions

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The total number from 1 to 100 is found by addition

Combining things and counting them as one big group is done through addition.

In math, addition is the process of adding two or more integers together.

Addends are the numbers that are added, and the outcome of the operation, or the final response, is referred to as the sum.

In the problem the addends are the numbers 1 2 3 4 5 6 .......97 98 99 100

The applying the addition operation the sum is calculated to be 5050. calculator will make the operation easier

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The domain of the function f(x, y, z) = ln(144 − 9x² − 16y² − z²) is x ∈ (-4, 4), y ∈ (-3, 3) and z ∈ (-12, 12). It forms an ellipsoid.

Domain of a function is the set of all values possible for the input parameters for real output parameter or output parameter in given range.

f(x, y, z) = ln(144 − 9x² − 16y² − z²)

For f(x, y, z) to be real, 144 − 9x² − 16y² − z² should be greater than 0. So,

144 − 9x² − 16y² − z² > 0

9x² + 16y² + z² < 144

x²/ 4² + y²/ 3² + z²/ 12² < 1

So the domain is an ellipsoid.

Therefore x ∈ (-4, 4)

y ∈ (-3, 3)

z ∈ (-12, 12)

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Answer:

g(-2) = -8

Step-by-step explanation:

If [tex]g(x) = - 4 x^2 - 3x +2[/tex], determine g(-2):

[tex]g(-2) = - 4 (-2)^2 - 3(-2) +2\\g(-2) = - 4 (4) - (-6)+2\\g(-2) = -16 + 6 + 2 \\[/tex]

g(-2) = -8

It is necessary to clean the measuring instrument the moving parts of the measuring device may be harmed if airborne dust or dirt gets inside of it. Additionally, if any foreign objects are present between the measurement target and the measuring device, precise measurements may be affected.

A measuring instrument is a tool used to quantify anything tangible. The act of obtaining and comparing physical amounts of actual objects and occurrences is known as measuring in the physical sciences, quality control, and engineering. Vernier calipers, micrometers, dial gauges, gauges of various types, bubble levels, protractors, and rulers are some of the primary goods that fall under the category of measurement instruments. These equipment are employed in the production process and for quality assurance.

It is necessary to clean the measuring instrument the moving parts of the measuring device may be harmed if airborne dust or dirt gets inside of it.

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On the basis of their sides, we may similarly determine the areas of various shapes like rectangles, parallelograms, triangles, and any polygon.

The space the thing occupies is known as the area. Any shape can call this area home. We solely take into account the side's length when calculating the square's area. A square's area is equal to the sum of its squared sides since all of its sides are equal.

Similar to triangles, we can determine the area of any polygon based on its sides, as well as the areas of other forms like rectangles, parallelograms, and triangles. The radius of the surface, or the separation of the outer line from the axis for curved surface objects, is used to compute the area of the surface.

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The equation of the tangent line to the curve at the given point, y = 4ex cos(x), (0, 4) as calculated is y' = 0.

In order to find the equation we will have to differentiate y = 4ex cos(x)

On differentiating we get the differential as ,

y' = - 4eˣsin(x)

given the value of x as 0 and y as 4

y' = -4e⁰sin(0)

  = 0   because sin( 0 ) = 0

Therefore ,the required equation is , y' = 0.

Differentiation is a technique which is used to find the derivative of a  function . Differentiation is a mathematical procedure it determines the rate of change of a function based on one of its variables.

Other than differentiation calculus also has a branch known as integration.

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An example of perpendicular equations are:

f(x)=2x+4

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

A straight line passing through a point is called a perpendicular line. It forms a 90-degree angle with a specific place where the line passes. The need for determining the perpendicular line is coordinates and a line equation.

Think about a line with the equation ax + by + c = 0 and the coordinates (x1, y1). The slope should be a/b. Let m1 and m2 represent the slopes of two lines; their product will be -1 if the lines are perpendicular to one another.

A line's slope in mathematics is defined as the ratio of the change in the y coordinate to the change in the x coordinate.

Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by y and x, respectively.

m = Δy/Δx = dy/dx = change in y/change in x

where "m" represents a line's slope.

Additionally, the slope of the line may be shown as

tan θ = Δy/Δx

A line's slope often indicates the steepness and direction of the line.

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Think about a line with the equation ax + by + c = 0 and the coordinates (x1, y1). The slope should be a/b. Let m1 and m2 represent the slopes of two lines; their product will be -1 if the lines are perpendicular to one another.

A line's slope in mathematics is defined as the ratio of the change in the y coordinate to the change in the x coordinate.

Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by y and x, respectively.

m = Δy/Δx = dy/dx = change in y/change in x

where "m" represents a line's slope.

Yes, the given Relation is a Function.

Relation: It belongs to the Cartesian product's subgroup. Or just a lot of points (ordered pairs). In other words, the ordered pair collection, where the ordered pair is made up of an object from each set, is used to define the relationship between the two sets.

To Analyze a relationship between two values to see if it can be classified as a function:

1)Choose the input values.

2)Determine the results.

3)Consider the connection to be a function if each input value results in just one output value. Do not classify the relationship as a function if any input value results in two or more outputs.

In the given table all ordered pairs have unique x values so the given relation is a function.

Yes, the given Relation is a Function.

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Answer:

8, -8

Step-by-step explanation:

There are 2 answers for the solution because x² = 64 can equal 8, and -8. It can equal 8 because 8 x 8 = 64. It can also equal -8 because -8 x -8 is a positive 64.

Answer:

The height (AE) is 20 cm

Step-by-step explanation:

Volume = 1/3(area of the base) height

600 = 1/3(18 x 5)h

600 = 30h  Divide both sides by 30

[tex]\frac{600}{30}[/tex] = [tex]\frac{30h}{30}[/tex]

20 = h

The number of CDs that Ingrid owns will be 28.

What is the equation's answer?

A direct consequence is the distribution of weights to the significant variables that result in the calculation's optimal.

Nearly twice as many CD promotions are in Brandon's possession than they are in Ingrid's. Brandon says he has 56 CDs.

Let 'x' represent Ingrid's CD collection. Then Brandon will have twice as many CDs.

The equation is then presented as,

Then the equation is given as,

2x = 56

Simplify the equation, then we have

2x = 56

x = 56 / 2

x = 28

The number of CDs that Ingrid owns will be 28.

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Therefore, In the binary number 0 comes out to be false and 1 comes out to be true.

Binary code, the foundation of everything binary utilised in computing systems, provides a numbering system in which there are only two potential values for each digit: 0 or 1.

Here,

In this case, binary logic has two states: false and true. "binary" – It's critical that there be two of them.

If you want to, you can refer to them as 0 and 1, yes and no, or off and on if you're an electrical engineer. They function as intended.

Therefore, In the binary number 0 comes out to be false and 1 comes out to be true.

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Function application is the process of applying a function to a domain-specific argument in order to get the relevant value from the function's range.

An expression, rule, or law in mathematics that specifies the relationship between an independent variable and a dependent variable (the dependent variable). Apply is a function in mathematics and computer science that applies arguments to a function.An example of a rule is a function, which produces one output for a single input.

Y=X2 is an illustration of this. You only get one output for y if you enter anything for x. The fact that x is the input value leads us to say that y is a function of x. I submitted written applications to a number of businesses. For this position, a high school graduation is required. Teenage dropouts are not required to apply. Apply a second coat of paint to the wall once the first one has dried and been thinly applied.

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Angle-Angle-Side is abbreviated as AAS. The triangles are said to be congruent when two angles and a non-included side of one triangle match the corresponding angles and sides of another triangle. AAS congruence may be demonstrated with a few simple methods.

When two triangles in geometry are the same size and shape, they are said to be congruent. The Angle-Angle-Side (AAS) congruence theorem is one of several approaches to demonstrate that two triangles are congruent.

According to the AAS congruence theorem, triangles are congruent if two angles and the side that connects them in one triangle are congruent with two angles and the side that connects them in another triangle. This is how this theorem is expressed:

If ∠A = ∠E, ∠B = ∠F, and AB = EF, then ∆ABC ≅ ∆DEF

In other terms, triangles ABC and DEF are congruent if two angles and the side between them in triangle ABC are equivalent to two angles and the side between them in triangle DEF.

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The correct answer is option  b) AAS

According to the AAS congruence theorem, if two angles and the non-included side of one triangle are congruent with the corresponding components of another triangle, then the two triangles are congruent.

Therefore, option B is the correct answer.

"AAS congruence" theorem an be used to prove that the triangles are congruent .

The complete question is:

Two angles and the non-included side of one triangle are congruent to the corresponding parts of another triangle. Which congruence theorem can be used to prove that the triangles are congruent?

a) SSS

b) AAS

c) SAS

d) HL

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The ASA criterion might be the most appropriate, as it states that two triangles are congruent if two angles and the included side are congruent.

To use a congruence criterion in the given situation, you will need to determine which criterion is most appropriate based on the information provided. There are several congruence criteria that can be used to determine whether two triangles are congruent, including the Side-Side-Side (SSS) criterion, the Side-Angle-Side (SAS) criterion, the Angle-Side-Angle (ASA) criterion, and the Angle-Angle-Side (AAS) criterion.

In this case, the ASA criterion might be the most appropriate, as it states that two triangles are congruent if two angles and the included side are congruent. Given that ∠A=∠C=90∘ and AE=CB, you can use the ASA criterion to conclude that triangles AEB and CED are congruent.

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The question is -

Which congruence theorem can be used to prove EB = BD, AE = CB, ∠ A = ∠ C = 90°?

The height of the poll is 40/3 and 13.3ft.

Let us assume that the Height of an object is h.

Let us assume that the shadow of an object is y.

(As the shadow is always proportional to height .)

Thus y∝h

y = kh

As given

when a person 5 ft. tall has a shadow of 6 ft.

h = 5 ft and y = 6 ft

Put in y = kh

6 = 5k

[tex]k=\frac{6}{5}[/tex]

As given

A telephone pole has a shadow of 16 ft.  

Let us assume that the height of the pole is x.

h = x and y = 16 ft

16 = hk       compare the value of k

[tex]k=\frac{16}{x} \\\\\frac{6}{5} =\frac{16}{x} \\\\x=\frac{16*5}{6} \\\\x=\frac{80}{6} \\\\x=\frac{40}{3} ft[/tex]

0r

x=13.3ft

Therefore, The height of the poll is 13.3ft

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