I need some help on this question please with this problem

A system of three linear equations in two variables that satisfies the given situation can be x + y = 5, 2x + y = 5, and x + 2y = 5

To satisfy the given situation for a system of three linear equations, write any linear equation as the first equation. Let's say

x + y = 5

For the second equation, multiply the x term of the first equation by any factor, keeping the y term and the constant unchanged.

2x + y = 5

The last equation could be written using the second equation wherein the constant of the variable x and y are interchanged.

x + 2y = 5

Any two of the equations in this system have exactly one solution, because they have a unique solution when we solve them individually. However, when we try to solve the entire system by using all three equations, we find that the system has no solution.

This can be easily seen by solving the system by substitution, elimination, or graphical method.

It is also possible to use different equations but with the same criteria, the key is that at least one of the equations should be the negation or a multiple of another equation.

The problem seems incomplete/unreadable, it must have been...

"Write a system of three linear equations in two variables so that any two of the equations have exactly one solution, but the entire system of equations has no solution."

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Answer:

I am so glad you were able to do it! Congrats on 100%

Step-by-step explanation:

That's great you got 100%!!!

Since Quadrilateral CDEF is inscribed in Circle A, the value of x is equal to: B. 33.

Since Quadrilateral CDEF is inscribed in Circle A, we can reasonably infer and logically deduce that line segment DF is the chord of Circle A. Mathematically, an equation which can be used to solve for the value of x in this circle is given by:

m∠DEF + m∠DCF = 180°

Substituting the given parameters into the formula above, we have the following;

(3x + 7)° + (2x + 8)° = 180°

3x + 2x + 8 + 7 = 180°

5x + 15 = 180°

5x = 180° - 15

5x = 165

x = 165/5

x = 33.

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Standard form is ax^2 + bx + c. Vertex form is a(x-h)^2 + k, which reveals the vertex and axis of symmetry. Factored form is a(x-r)(x-s), which reveals the roots.

What is quadratic equation?

Factoring, using square roots, completing the square, and the quadratic formula are the four ways to solve a quadratic problem.

Any equation in algebra that can be written in standard form as where x stands for an unknown value, where a, b, and c stand for known values, and where a 0 is true is known as a quadratic equation.

x ax2 + bx + c = 0 is a quadratic equation, which is a second-order polynomial equation in a single variable. a 0. It has at least one solution because it is a second-order polynomial equation, which is guaranteed by the algebraic fundamental theorem. The answer could be simple or complicated.

Therefore, Standard form is ax^2 + bx + c. Vertex form is a(x-h)^2 + k, which reveals the vertex and axis of symmetry. Factored form is a(x-r)(x-s), which reveals the roots.

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One graph will pass through the origin and the second graph will meet the x-axis at 3, -1.

A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain.

Given two function

For  y=2x²:

Since the value of x = 0, the value of y is 0.

thus this graph will pass through the origin and will only have 1 solution.

For  y = x²-2x-3:

At y = 0

x²-2x-3 = 0

x = 3, -1

Therefore, This graph will pass through the x-axis at 3, -1.

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The closest correlation coefficient of the scatterplot is 0.8

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

The image of the scatter plot

On the scatter plot, we can see that

The points appear to be on a straight line

Also, we can see that

As the x values increases the y values increases

This represents a positive linear association.

Because the points appear to be on a straight line, but they are not on a straight line, the r value will most likely be between 0.7 and 0.9

The closest value to this is 0.8

Hence, the r value is 0.8

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Part A - The cycle has a total distance travelled of 130 meters.

Part B - The cycle has an acceleration of 0 meters per square second at t = 8 seconds.

In this question we find the case of a graph between time (t), in seconds, and velocity (v), in meters per second, from which we need to determine the total distance travelled (s), in meters, on the cycle and the acceleration (a), in meters per square second, at a given time.

Part A - The total distance travelled is the area below the curve, defined as the sum of the areas of two triangles and rectangle, thus:

s = 0.5 · (6 s) · (10 m / s) + (6 s) · (10 m / s) + 0.5 · (8 s) · (10 m / s)

s = 30 m + 60 m + 40 m

s = 130 m

The total distance traveled by the cycle is 130 meters.

Part B - The acceleration at a given time t is the slope of the curve at point (t, v). In this case, we find that slope can be found by secant line formula:

a = [v(12) - v(6)] / (12 - 6)

a = (0 - 0) / (12 - 6)

a = 0 m / s²

The acceleration of the cycle at t = 8 seconds is equal to 0 meters per square second.

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Answer:

Step-by-step explanation:

when GDK goes up GD goes down

Answer: 25 degrees

Step-by-step explanation:

2x + 10 + 30 = 90

2x = 50

x = 25 degrees

The answer is 2500 - 45W = B

2500 is the total amount

45 is taken out a week, so let w be the variable

B is the total bank balance

So 2500 - 45W = B

I hope this was able to help you :D

The total fee that Ratnam should pay the agency for a journey of 50 kilometers, using a linear equation, is A. x + 10y.

The total fee is a function of summing the fixed charge for the first 40 kilometers and the variable charge for additional kilometers traveled.

In this situation, the variable charge per km represents the slope or the unit rate while the fixed charge for 40 kilometers represents the constant in a linear equation.

Flat charge up to 40 kilometers = Rs. x

Variable charge per kilometer after 40 km = Rs. y

Total distance traveled = 50 kilometers

Total fee paid = Rs. x + (50 - 40)y

= x + 10y

Thus, the correct fee that Ratnam should pay is represented by Option A.

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Answer:1.4

Step-by-step explanation: Because lbs are the same thing as pounds

Answer:

vertical line x = -3

horizontal line y =  -9

Step-by-step explanation:

[tex] \frac{3x + 9}{6} = x - 3 \\ [/tex]

[tex]3x + 9 = 6(x - 3)[/tex]

[tex]3x + 9 = 6x - 18[/tex]

[tex]6x - 3x = 9 + 18[/tex]

[tex]3x = 27[/tex]

[tex]x = \frac{27}{3} \\ [/tex]

answer: [tex]x = 9[/tex]

To make a true equation, check your math to make sure that the values on each side of the equals sign are the same.

step1

(a) a +v = b-(v+5)

1+5=6 not equal a+ v=5

To check if a given value is a solution to an equation:

Evaluate the left-hand side expression at the given value to get a number

Evaluate the right-hand side expression at the given value to get a number.

See if the numbers match.

If you add the same number to both sides of an inequality, the inequality remains true.

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Correct question:

What criteria must meet to say that a+v=b-(v+5) is true?

(b) √29 is between 5 and 6. You can approximate it by finding the perfect squares that are closest to 29: 25 (5^2) and 36 (6^2). √29 is between 5 and 6 since 5^2 < 29 < 6^2

(c) √54 is between 7 and 8. You can approximate it by finding the perfect squares that are closest to 54: 49 (7^2) and 64 (8^2). √54 is between 7 and 8 since 7^2 < 54 < 8^2.

Answer:

From the top of a 12 foot ladder, the angle of depression to the far side of a sidewalk is , while the angle of depression to the near side of the sidewalk

Step-by-step explanation:

A number that goes into a greater number with no remainders is called a factor.

A factor is an integer that divides into a greater number without any remainders.

For example, the number 6 is a factor of 18 because when 18 is divided by 6, the answer is 3 with no remainders. Similarly, the number 3 is a factor of 12 because when 12 is divided by 3, the answer is 4 with no remainders.

Factors are important in mathematics because they can be used to solve equations and determine the greatest common divisor (GCD) of two or more numbers. Factors can also be used to determine prime numbers and their multiples.

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In the production range of 2 to 3 combs, the opportunity cost of producing one more comb is d) 0.14 brushes.

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The set of ordered pairs that is a function is (b) (-9, 9), (-8, 1), (2, -4), (-2, 1)

The list of options represents the given parameter

All ordered pairs are relations but not all ordered pair are functions

For an ordered pair to be a function, the following must be true:

The y values on the ordered pair must have  different x values

Using the above as a guide,

This means that the ordered pair in option (b) represents a function

Hence, the ordered pair that is a function is (b)

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Let's first review the Sin function before talking about Sin 0. Therefore Sin 0 value is 0.

The Sine, Cosine, and Tangent functions in trigonometry are used to determine the angles and length of a right-angled triangle, respectively.

The relationship between the angle, perpendicular side, and hypotenuse side is defined by the sine function.

Alternatively, you can use sin theta, which is equal to the right-angled triangle's perpendicular to hypotenuse ratio. Sin theta is the angle produced between the hypotenuse and adjacent side.

Definition Of Sin In Relation To Sin 0.

Sin 0 denotes that (x,y) is where the value of the x coordinate is 1, and the value of the y coordinate is 0. (1,0). In this case, the hypotenuse has a value of 1, and the opposing side or perpendicular has a value of 0.

As a result, if we set the numbers in the sin ratio for = 0, the perpendicular side to be 1, and the hypotenuse to be 0, we obtain,

Sin 0 = 0/1

Sin 0 = 0

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Answer:

Todd spent 75, Matt spent 50 and Jeff spent 150

Step-by-step explanation:

Matt = y - 25

Jeff = 3(y - 25)

Todd = y

y - 25 + 3y - 75 + y = 275

5y - 100 = 275

5y = 275 + 100

5y = 375

y = 375/5

y = 75.......Todd therefore spent 75 dollars!!

I think it gets easy from here

Discovering an antiderivative of a function is the process of integration.

Adding or adding up the components to get the whole is a process known as integration. Reducing the functions into their component elements is a reverse differentiation procedure. Utilizing a broad scale, this method is utilised to find the sum.

A function's antiderivative is discovered by integration. It is the definite integration if a function can be integrated and if the integral of that function across the domain is finite with the given bounds. When d/dx(F(x) = f(x), dx = F(x) + C. Indefinite integrals are what these are.

As opposed to differentiation, integration is the opposite. In other words, the integral of 2 can be 2x + 3, 2x + 5, 2x, etc. Because of this, we must include a constant when integrating. The integral of 2 is therefore 2x + c, where c is a constant.

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Answer:

A and C

Step-by-step explanation:

The sum of two interior angles in a triangle is equal to an exterior angle that is supplementary to the third interior angle so first option,

A. m∠4 = m∠1 + m∠2

is correct.

m∠3 and m∠4 are supplementary angles because they make a straight line and their sum is equal 180°, so third option,

C. m∠4 = 180 - m∠3

is also correct.

The rate of change for the linear is -5 and the initial value  is -1

A linear function in mathematics is one that has either one or two variables and no exponents. It is a function with a straight line as its graph. If the function has more variables, they should all be constants or known variables in order for the function to continue to function as a linear function. We'll go into great detail about what a linear function is in this article, along with its table, graph, formulas, traits, and examples.

The rate of change refers to the slope of the linear function, because the slope is actually a ration between the two variables. So, to find the slope, we use its definition:

m = [tex]y^{2}[/tex]-[tex]y^{1}[/tex]/[tex]x^{2}[/tex]-[tex]x^{1}[/tex]

Now we replace the given points, being C the first point and D the second point:

m= -11-(-1)/2-0= -5

Therefore, the rate of change is -5, where the negative sign refers to a decreasing change, it's a decreasing linear function. In addition, the initial values is where the independent variable is zero, which is given in the point C (0;-1), so the initial condition is y = -1

 Therefore ,The rate of change for the linear is -5 and the initial value  is -1

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The value of sinθ is 15/17.

What are the trigonometric functions?

The trigonometric functions in mathematics are real functions that connect the right-angled triangle's angle to the ratios of its two side lengths. They are extensively employed in all fields of geometry-related study, including geodesy, solid mechanics, celestial mechanics, and many others.

Here, we have

Given:

Cosθ = 8/17

We apply here trignometric functions.

Sinθ = √1 - cos²θ

Sinθ = √1 - (8/17)²

Sinθ = √(289 - 64)289

Sinθ = √225/289

Sinθ = 15/17

Hence, the value of Sinθ is 15/17.

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The perimeter of the given polygon is about 16.4 units.

We want to find the perimeter of the polygon whose vertices are (-3, 2), (2, 2) and (-1, -3).

The perimeter will be equal to the sum of the distances between the vertices, and remember that the distance between two points (x₁, y₁) and (x₂, y₂) is:

d = √( (x₂ - x₁)² + (y₂ - y₁)²)

The distances are:

between (-3, 2) and (2, 2)

d = √( (-3 - 2)² + (2 - 2)²) = 5

between (-1, -3) and (2, 2)

d = √( (-1 - 2)² + (-3 - 2)²)

d = √( 9 + 25) = 6

between (-1, -3) and (-3, 2)

d = √( (-1 + 3)² + (-3 - 2)²)

d = √29 = 5.4

Then the perimeter is:

5.4 + 6 + 5 = 16.4

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final answer:y= - 1/97 - 6

to find slope, just do the opposite reciprocal of the given slope

to find y-intercept just substitute the given point in y=mx+b

hope this helps!

The given statement that " Ricardo has an equally likely chance of spinning an odd number as spinning a number less than 4" is True.

When rolling a fair dice, the probability of getting an odd number is:

= Number of odd numbers / Number of sides on die

Number of odd numbers = 1, 3, 5

Probability of odd number:

= 3 / 6

= 1 / 2

Probability of number less than 4 :

= 3 / 6

= 1 / 2

Ricardo therefore has  an equally likely chance.

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Options for this question are: