what is the solution to the system?
A: (-3,6)
B:(6,3)
C: (3,6)
D: (-6,3)
pls help

The images of the points after the transformation are (6, 1), (3, 6), (5, 2) and (-8, -4)

r(x-axis) o T(2, -3) (4, 2)

This implies that we reflect the point (4, 2) across the x-axis and then translate it by (x + 2, y - 3)

Mathematically, this is represented as

Image = (x + 2, 3 - y)

Substitute the known values in the above equation, so, we have the following representation

Image = (4 + 2, 3 - 2)

Evaluate

Image = (6, 1)

T(2, -5) o R 90 CCW (4, 2)

This implies that we translate the point (4, 2) by (x + 2, y - 5) and then rotate it by 90 degrees counterclockwise

Mathematically, this is represented as

Image = (5 - y, x + 2)

Substitute the known values in the above equation, so, we have the following representation

Image = (5 - 2, 4 + 2)

Evaluate

Image = (3, 6)

T(1, 4) o r(y-axis) (4, 2)

This implies that we translate the point (4, 2) by (x + 1, y + 4) and then reflect it across the y-axis

Mathematically, this is represented as

Image = (x + 1, 4 - y)

Substitute the known values in the above equation, so, we have the following representation

Image = (4 + 1, 4 - 2)

Evaluate

Image = (5, 2)

r(y-axis) o T(1, 4) (4, 2)

This implies that we reflect the point (4, 2) across the y-axis and then translate it by (x + 4, y + 2)

Mathematically, this is represented as

Image = (-x - 4, y + 2)

Substitute the known values in the above equation, so, we have the following representation

Image = (- 4 - 4, 2 + 2)

Evaluate

Image = (-8, 4)

Hence, the image is (-8, -4)

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The equation for finding cost y for x liters of petrol is y = 93x

An equation is a mathematical statement that shows that two mathematical expressions are equal.

Given that, A liter of petrol cost £93,

Since, the unit rate of the petrol is £93 per liter

If we say let x be the number of liters we need, the total cost will have to pay will be = 93x

And, if total cost is y, then,

y = 93x

Hence, the equation for finding cost y for x liters of petrol is y = 93x

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Answer:

What is the question please respond so I may give a complete response

Step-by-step explanation:

If a company is expanding its team at a rate of 10% per year, and it currently has 200 members of staff, we can calculate the number of staff after 1 year using the formula:

number of staff after 1 year = 200 + (10/100) * 200

number of staff after 1 year = 200 + 20

number of staff after 1 year = 220

So, there will be 220 members of staff after 1 year if there are initially 200 members of staff.

Here we are interested in finding the slope of the line. From the given graph we can see that that the line passes through points (6,0) and (0,-8) . We know that slope can be calculated by ,

[tex]\longrightarrow slope \ (m)=\dfrac{y_2-y_1}{x_2-x_1} =\tan\theta [/tex]

[tex]\longrightarrow m =\dfrac{y_2-y_1}{x_2-x_1}\\[/tex]

[tex]\longrightarrow m =\dfrac{0-(-8)}{6-0}\\[/tex]

[tex]\longrightarrow m =\dfrac{8}{6}\\ [/tex]

[tex]\longrightarrow m =\dfrac{4}{3}\\ [/tex]

[tex]\longrightarrow \underline{\underline{ m = 1.\bar{3}}}[/tex]

And we are done!

The slope of the least-squares line is:  0.30

The correct answer is an option (A)

We have following information:

correlation between X and Y (r) = 0.9

mean of the values of X ([tex]\bar{X}[/tex]) = 6.5

mean of the values of Y ([tex]\bar{Y}[/tex]) = 6.6

the standard deviation of the values of X ([tex]S_{X}[/tex]) = 3.6

the standard deviation of the values of Y  ([tex]S_{Y}[/tex]) = 1.2

We know that the slope of a least squares regression can be calculated by the formula,

slope m  = r [tex]\frac{S_\bar{Y}}{S_\bar{X}}[/tex],

where, r is the correlation coefficient

Let us assume that for given scenario,  m represents the slope of of the least-squares line.

Using above formula,

⇒ m  = r [tex]\frac{S_\bar{Y}}{S_\bar{X}}[/tex]

⇒ m  = 0.9 ×  [tex]\frac{1.2}{3.6}[/tex]

⇒ m = 0.9 ×  0.333

⇒ m = 0.2997

⇒ m ≈ 0.3

Thus, the slope is 0.30

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The complete question is:

A researcher wishes to study how the average weight Y (in kilograms) of children changes during the first year of life. He plots these averages versus the age X (in months) and decides to fit a least- squares regression line to the data with X as the explanatory variable and Y as the response variable. He computes the following quantities.

r = correlation between X and Y = 0.9

X = mean of the values of X = 6.5

Y = mean of the values of Y = 6.6

S_(X) = standard deviation of the values of X = 3.6

S_(Y) = standard deviation of the values of Y = 1.2

The slope of the least-squares line is: ?

A. 0.30   B. 0.88   C. 1.01   D. 2.70    E. 3.00

The solution to this equation: 42 +82=x² is x = 12.

A square number, also known as a perfect square, is an integer that is the square of another integer; in other words, it is the result of multiplying another integer by itself. For instance, 9 is a square number because it equals 32 and can be written as 3 3.

Instead of the product n n, the equivalent exponentiation n2, which is typically pronounced "n squared," is used to represent a number's square. The name of the shape is where the term "square number" originated. The area of a unit square (1 × 1) is the unit of area.

The solution to this equation: 42 +82=x²

x = √(42 +82)

x = √(144)

x = 12

Thus, The solution to this equation: 42 +82=x² is x = 12.

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The required of the sidewalk to the nearest square foot is 13.14 ft².

The area a rectangle occupies is the space it takes up inside the limitations of its four sides. The dimensions of a rectangle determine its area. In essence, the area of a rectangle is equal to the sum of its length and breadth.

A circle's area is the area that it takes up in a two-dimensional plane. It can be simply calculated using the formula A = r2, (Pi r-squared), where r is the circle's radius. The square unit, such as m2, cm2, etc., is the unit of area.

We have,

Length = 5 ft, width = 2 ft, Radius of circle = 2 ft

Now,

Area of sidewalk = area of rectangle + area quadrant

Area of sidewalk = (5×2) + π(2)^2/4

Area of sidewalk = 10 + 3.14

Area of sidewalk = 13.14 ft²

Thus, required area of the sidewalk is 13.14 ft².

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Answer: Let x be the weight of the bag over the limit in pounds.

We know that both airlines have the same weight limit and Carrie paid the same baggage fee at each airline, so we can set up the following equation:

25 + 4x = 28 + 3x

Solving for x:

x = 25

So, Carrie's bag was 25 pounds over the weight limit.

To find the fee for each airline, we can substitute x into the equations for the fees:

Fee for the first airline: 25 + 4(25) = $125

Fee for the second airline: 28 + 3(25) = $103

Therefore, Carrie paid $125 in fees for the first airline and $103 in fees for the second airline.

Step-by-step explanation:

The measure of the missing angles are 100° and 30°

A polygon with three vertices, angles and sides.

Given is a triangle XYW, whose side WZ is extended to the point z,

We know that,

The sum of two opposite interior angles of a triangle is equal to the measure of exterior angle,

∠ 1 + 50° = 150°

∠ 1 = 100°

We know that, sum of the interior angles of a triangle is 180°

∠ 1  + ∠ 2 + 50° = 180°

150°-180° = ∠ 2

∠ 2 = 30°

Hence, the measure of the missing angles are 100° and 30°

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Answer:

ii) Reduce :

[tex]$\begin{aligned} 5 \ln x-2 \ln (x y) & =\ln x^5-\ln (x y)^2 \\ & =\ln \left(\frac{x^5}{(x y)^2}\right) \\ & =\ln \left(\frac{x^5}{x^2 y^2}\right) \\ & =\ln \left(\frac{x^3}{y^2}\right)\end{aligned}$[/tex]

iii ) Expand :

[tex]\begin{aligned}\log _3\left(\frac{x^5}{y}\right)^4 & =4 \log _3\left(\frac{x^5}{y}\right) \\& =4 \log _3 x^5-4 \log _3 y \\& =20 \log _3 x-4 \log _3 y\end{aligned}[/tex]

Answer:

[tex]\textsf{ii)} \quad \ln \left(\dfrac{x^3}{y^2}\right)[/tex]

[tex]\textsf{iii)} \quad 20 \log_3 x-4 \log_3y[/tex]

Step-by-step explanation:

Given expression:

[tex]5 \ln x-2 \ln (xy)[/tex]

[tex]\textsf{Apply the power law}: \quad n \ln x=\ln x^n[/tex]

[tex]\implies \ln (x^5) - \ln ((xy)^2)[/tex]

[tex]\textsf{Apply the quotient law}: \quad \ln x - \ln y=\ln \left(\dfrac{x}{y}\right)[/tex]

[tex]\implies \ln \left(\dfrac{x^5}{(xy)^2}\right)[/tex]

This is where the error occurred in the original calculation as the log quotient law was applied incorrectly.

[tex]\textsf{Apply exponent rule} \quad (ab)^c=a^{c}b^c\quad \textsf{to the denominator}:[/tex]

[tex]\implies \ln \left(\dfrac{x^5}{x^2y^2}\right)[/tex]

Simplify the fraction:

[tex]\implies \ln \left(\dfrac{x^3}{y^2}\right)[/tex]

Given expression:

[tex]\log_3\left(\dfrac{x^5}{y}\right)^4[/tex]

[tex]\textsf{Apply the log power law}: \quad \log_ax^n=n\log_ax[/tex]

[tex]\implies 4\log_3\left(\dfrac{x^5}{y}\right)[/tex]

[tex]\textsf{Apply the log quotient law}: \quad n\log_a \left(\dfrac{x}{y}\right)=n\log_ax - n\log_ay[/tex]

[tex]\implies 4 \log_3 x^5-4 \log_3y[/tex]

This is where the error occurred in the original calculation as the coefficient 4 was not applied to the both logarithms when applying the log quotient law.

[tex]\textsf{Apply the log power law}: \quad \log_ax^n=n\log_ax[/tex]

[tex]\implies 5 \cdot 4 \log_3 x-4 \log_3y[/tex]

[tex]\implies 20 \log_3 x-4 \log_3y[/tex]

Answer:

he takes a stretch every 4 miles

Step-by-step explanation: 12/3 = 4

Nine pencils at $0.05 each, 2. Five pencils at $0.10 each and three pencils at $0.05 each 3.Six pencils costing $0.05 apiece and three pencils costing $0.15 each. Pencils: four for $0.15 each, and five for $0.05 each.

This question uses the combination theory, which states that the total number of combinations of a set of items is equal to the number of variations in one item multiplied by the number of variations in the second item, and so on.

in this question

1. Nine pencils at $0.05 each: Kay can buy nine pencils for $0.45. Nine pencils times $0.05 each equal $0.45.

2. Five pencils at $0.10 each and three pencils at $0.05 each: Kay can buy five pencils for $0.50 and three pencils for $0.15.

Five pencils times $0.10 each equal $0.50 and three pencils times $0.05 each equal $0.15.

Adding the two totals together equals $0.45.

3. Three pencils at $0.15 each and six pencils at $0.05 each: Kay can buy three pencils for $0.45 and six pencils for $0.30.

Three pencils times $0.15 each equals $0.45 and six pencils times $0.05 each equal $0.30.

Adding the two totals together equals $0.45.

4. Four pencils at $0.15 each and five pencils at $0.05 each:

Kay can buy four pencils for $0.60 and five pencils for $0.25.

Therefore, Four pencils times $0.15 each equals $0.60 and five pencils times $0.05 each equal $0.25. Subtracting the two totals together equals $0.45.

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The solution to the expression with decimals rounded to the nearest tenth is: -2

Examine the hundredth number to round the decimal number to the nearest tenth. If the number is more than 5, multiply it by one. If it is less than 5, leave the tenth place value alone and eliminate any numbers after the tenth. 4.624, for example, is 4.6 rounded to the closest tenth.

Thus, given the expression:
2.29 + 9.11 + 15.381 - 5.414 - 7.631.11 + 5.99 - 5.734 + 6.893 - 18.355 -4.411

We first round them up to the nearest tenths is:

2.1 + 9.1 + 15.4 - 5.4 - 7.6 + 6.0 - 5.7 + 6.9 - 18.4 - 4.4  = -2

Thus, it is correct to state that the version of the above-given expression resolved to the nearest tenths (2.1 + 9.1 + 15.4 - 5.4 - 7.6 + 6.0 - 5.7 + 6.9 - 18.4 - 4.4) = -2

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Julio's down payment would be 20% of the total cost of the car. If he is financing $14,000 of the remaining cost, the total cost of the car would be $14,000 / (1 - 0.20) = $14,000 / 0.80 = $17,500. Therefore, Julio's down payment would be $17,500 * 0.20 = $3,500.

What is a percentage in plain English?

A percentage is a portion of a total stated as a number between 0 and 100 as opposed to being expressed as a fraction. The percentages of everything are 100%, nothing is 0%, 50% of something is 50%, and nothing is 0%. To calculate the percentage, divide the component by the total and multiply the result by 100.

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Using percentage, Julio's down payment would be  $3,500.

In contrast to being expressed as a fraction, a percentage is a portion of a total expressed as a number between 0 and 100. The percentages are as follows: 100% of everything, 0% of nothing, 50% of something, and 0% of nothing. Divide the component by the total, then multiply the result by 100 to get the percentage.

Julio's down payment would be 20% of the total cost of the car.

If he is financing $14,000 of the remaining cost,

the total cost of the car would be

$14,000 / (1 - 0.20)

= $14,000 / 0.80

= $17,500.

Therefore, Julio's down payment would be $17,500 * 0.20 = $3,500.

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The solution of the given system of equations is (4, 7).

A system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously. The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently.

The given system of equations are y=3x-5 -------(I) and y=1/2 x+5 -------(II)

Substitute equation (I) in (II), we get

3x-5=1/2 x+5

3x-1/2 x=5+5

2.5x=10

x=4

Substitute x=4 in equation (I), we get

y=3(4)-5

y=7

So, solution is (4, 7)

Therefore, the solution of the given system of equations is (4, 7).

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Answer: 3 11/12

Step-by-step explanation:

Rewrite the equation with the parts seperated:

4 + 2/3 − 3/4

Find the LCD of 2/3 and 3/4

(Which is 12)

Keep going

8/12−9/12= −1/12

Finally, subtract 4 − 1/12 to get 3 11/12

Hope this helps!

If the ratio of profit shares is 3:7:9, then the total profit yield is 38000.

What is ratio?

Comparing two amounts of the same units and determining the ratio tells us how much of one quantity is in the other. Two categories can be used to categorise ratios. Part to whole ratio is one, and part to part ratio is the other. The part-to-part ratio shows the relationship between two separate entities or groupings.

The share of Juma's profit is = 3

The share of Ali's profit is = 7

The share of Hassan's profit is = 9

The ratios can be written as 3x : 7x : 9x

The amount of money Juma received is = 6000

The equation for Juma's profit is -

3x = 6000

x = 6000/3

x = 2000

So, the value for Ali's profit -

7x = 7 × 2000

= 14000

The value for Hassan's profit -

9x = 9 × 2000

= 18000

Now, the total profit is represented by the equation -

= 3x + 7x + 9x

= 6000 + 14000 + 18000

= 38000

Therefore, the total profit is 38000.

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The largest δ value of the given limit [tex]\lim_{x \to 1^+} \frac{1}{x^2-1}=\infty[/tex] and M=1000 is calculated. The required δ value is [tex]\delta=\sqrt{1+10^{-3}}-1[/tex].

When no values are defined, a limit is used to assign values to certain functions. It is possible to assess the limits using algebraic techniques. A collection of guidelines for manipulating limits when using other operators is known as the algebra of limits. Given the expression  [tex]\lim_{x \to 1^+} \frac{1}{x^2-1}=\infty[/tex]  and M=1000. When x>1, we write this expression as,

[tex]\begin{aligned} \frac{1}{x^2-1}& > 1000\\x^2-1& < 1000^{-1}=10^{-3}\\x^2& < 10^{-3}+1\\x& < \sqrt{1+10^{-3}}\end{aligned}[/tex]

Now, choosing, [tex]\delta=\sqrt{1+10^{-3}}-1[/tex] when we have δ > 0. Therefore, [tex]\sqrt{1+10^{-3}} > 1[/tex]. Then, [tex]x\in(1, 1+\delta)[/tex]. This is given by,

[tex]\begin{array}{ccc}1& < x& < 1+\delta\\1& < x& < \sqrt{1+10^{-3}}\end{array}[/tex]

This implies, [tex]\frac{1}{x^2-1} > 1000=M[/tex].

Therefore, the largest δ value will be [tex]\sqrt{1+10^{-3}}-1[/tex].

The complete question is -

For each limit, use graphs and algebra to approximate the largest δ or the smallest magnitude N that corresponds to the given value of ∈ or M, according to the appropriate formal limit definition.

[tex]\lim_{x\to 1^+} \frac{1}{x^2-1}=\infty[/tex], M=1000, find largest δ > 0.

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Answer: c

Step-by-step explanation:

Answer:

Step-by-step explanation:

its $89,372 i did the math took the test

X has a geometric distribution because it is the number of trials (tosses) required until a success (catching the ball) occurs.

b) The probability that it will take exactly two tosses for Sophie to catch a ball is P(x=2) = (0.2)(0.8)^1 = 0.16. This is calculated by multiplying the probability of success (0.2) by the probability of failure (0.8) raised to the power of the number of trials (2-1=1)

c) To find the probability that more than three tosses will be required, we need to find the probability that Sophie does not catch the ball on the first three tosses and then catch it on the fourth toss.

This can be found by summing the probabilities of Sophie not catching the ball on the first three tosses (0.8^3 = 0.512) and Sophie catching the ball on the fourth toss (0.8^3*0.2 = 0.1024). The probability that more than three tosses will be required is P(x>3) = 1 - P(x≤3) = 1 - (0.512 + 0.1024) = 0.3856.

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Answer:

see below

Step-by-step explanation:

1 foot = 30 centimeters or 0.30 meters-

1 pound =450 grams or 0.45 kilograms-

1 fluid ounce = 29.5 milliliters-

Note that the figure with an angle of 300° on a circle in standard position is: "An angle in standard position with the terminal side at two-thirds of a full revolution counterclockwise." (Option D)

A standard position angle is one measured counterclockwise from the positive x-axis in a coordinate plane.

This signifies that the angle's starting side is on the positive x-axis, while the angle's terminal side is in the first or fourth quadrant. The angle's vertex is placed at the origin.

Angles are commonly measured in degrees or radians, with a full rotation being comparable to 360 degrees or 2 radians. Angles may now be readily graphed and compared to one another in a coordinate plane.

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The slope of  following points  (3, 3) and (6,1)  is -2/3 .

What is Linear equation ?

Linear equation can be defined as the equation in which the highest degree is one.

Given  points are (3, 3) and (6,1)

we know that slope = y2-y1 / x2-x1

y2-y1 = 1-3

The difference of y -intercept is -2

= -2

x2-x1 = 6-(3)

= 6-3

The difference of x-intercept is 3

= 3

So, slope could be y2-y1 / x2-x1  that is -2/3.

Therefore, The slope of  following points  (3, 3) and (6,1) is -2/3 .

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The value of x is 76°. The solution has been obtained using the properties of hexagon.

What is a hexagon?

A closed, two-dimensional, six-sided polygon in geometry is called a hexagon. It has six vertices, which together create six internal angles, and six line segments. The total of a hexagon's internal angles is 720°.

We know that sum of angles on a straight line is 180°.

So, on the first line with angle 60°, the other angle will be

180° - 60° = 120°

Similarly, on the second line with angle 64°, the other angle will be

180° - 64° = 116°

Similarly, on the third line with angle 36°, the other angle will be

180° - 36° = 144°

Similarly, on the fourth line with angle 48°, the other angle will be

180° - 48° = 132°

Similarly, on the fifth and sixth lines with angle x°, the other angles will be

180° - x° = (180-x)°

We know that sum of angles of interior angles of a hexagon is 720°

Therefore,

⇒ 120° + 116° + 144° + 132° + (180-x)° + (180-x)° = 720°

⇒ 512° + 180° - x° + 180° - x° = 720°

⇒ 872° - 2x° = 720°

⇒ 2x° = 152°

⇒ x = 76°

Hence, the value of x is 76°.

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Answer:

Step-by-step explanation:

tha answer is 69

The arrow diagram that represents a mapping include the following: arrow diagram C.

The domain of this arrow diagram is equal to {a, c, d}

The range of this arrow diagram is equal to {q, r, s}.

In Mathematics, a domain can be defined as the set of all real numbers for which a particular function is defined.

This ultimately implies that, a domain is the set of all possible input numerical values (x-values) to a function and the domain of a graph comprises all the input numerical values (real numbers) which are located on the x-coordinate.

In this scenario, we can reasonably infer and logically deduce that only the above mentioned relation (arrow diagram C) represents a function because each input variable (domain) has exactly an output variable (range) as illustrated in the diagram.

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