Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.

x < 5
–6x – 5 < 10 – x
–6x + 15 < 10 – 5x
A number line from negative 3 to 3 in increments of 1. An open circle is at 5 and a bold line starts at 5 and is pointing to the right.
A number line from negative 3 to 3 in increments of 1. An open circle is at negative 5 and a bold line starts at negative 5 and is pointing to the left.

17x = 425

x = 25

8x = 200 boys

9x = 225 girls

Answer:

D

Step-by-step explanation:

the area (A) of a triangle is calculated as

A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )

here b = 16 and h = 8 , then

A = [tex]\frac{1}{2}[/tex] × 16 × 8 = 8 × 8 = 64 ft²

Answer: the answer is 110.8

Step-by-step explanation: add um all up

Answer:

[tex](x+5)^2+(y+5)^2=25[/tex]

Step-by-step explanation:

Recall that the equation of a circle with center (h,k) and radius "r" is [tex](x-h)^2+(y-k)^2=r^2[/tex]

Since the center of the circle is (h,k)=(-5,-5) and the radius is r=5, then our equation will be [tex](x-(-5))^2+(y-(-5))^2=5^2[/tex] which can be simplified into [tex](x+5)^2+(y+5)^2=25[/tex]

On Day 10, Kelly will have a total of 20 pennies in her penny jar.

To determine how many pennies Kelly will have on Day 10, we need to consider the progression of pennies added to her jar each day.

On Day 1, Kelly starts with 2 pennies. On Day 2, she adds 2 more pennies, resulting in a total of 2 + 2 = 4 pennies. This pattern continues, with 2 more pennies being added each day.

To find the number of pennies on Day 10, we can observe that the number of pennies on any given day can be calculated using the formula:

Number of pennies = Initial number of pennies + (Number of days - 1) * Number of pennies added per day

Using the provided information, we can substitute the values into the formula:

Number of pennies on Day 10 = 2 + (10 - 1) * 2

= 2 + 9 * 2

= 2 + 18

= 20

Therefore, on Day 10, Kelly will have a total of 20 pennies in her penny jar.

To summarize, starting with 2 pennies and adding 2 more pennies each day, Kelly will have a total of 20 pennies in her penny jar on Day 10.

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The correct option is A. [13(cos 22.6 - isin 22.6)] in which the modulus is 13 and the argument is 22.6 degrees.

Given the complex number z = 12 + 5i. We have to express this complex number in the polar form which is\[z=r\cos\theta + i\sin\theta\]where r is the modulus and θ is the argument of the complex number.

The modulus of the complex number is given by,|z|=√(12²+5²)=√(144+25)=√169=13

Therefore, the modulus of the complex number is 13.

Now, we need to find the argument of the complex number, which is given byθ=tan⁻¹(b/a)Where a and b are the real and imaginary parts of the complex number z.θ=tan⁻¹(5/12)So, θ=22.6 degrees. (approximate value)

Thus, the complex number z = 12 + 5i can be expressed as\[z=13\cos(22.6^{\circ}) + i\sin(22.6^{\circ})

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Answer:

15

Step-by-step explanation:

5x = 4x + 3

x = 3

BC = 5x = 5(3) = 15

Answer: 15

The type of medals is a categorical nominal variable, while the volume of water is a numerical continuous variable.

Note: This question is in Spanish, here is the question in English:

Write the type of variable and level of measurement for the following group of variables: A) type of medals at Olympic test. B) Volume of water in a tank

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The line of best fit for the data in this problem is given as follows:

y = -0.5x + 60.

The slope-intercept equation for a linear function is presented as follows:

y = mx + b

In which:

Two points on the scatter plot are given as follows:

(30, 45) and (60, 30).

When x increases by 30, y decays by 15, hence the slope m is given as follows:

m = -15/30

m = -0.5.

Hence:

y = -0.5x + b.

When x = 30, y = 45, hence the intercept b is obtained as follows:

45 = -15 + b

b = 60.

Thus the function is given as follows:

y = -0.5x + 60.

The data is given by the image presented at the end of the answer, and the problem asks for the line of best fit for the data.

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Answer:

D. A pair of intersecting lines

Step-by-step explanation:

A conic section is a fancy name for a curve that you get when you slice a double cone with a plane. Imagine you have two ice cream cones stuck together at the tips, and you cut them with a knife. Depending on how you cut them, you can get different shapes. These shapes are called conic sections, and they include circles, ellipses, parabolas and hyperbolas. If you cut them right at the tip, you get a point. If you cut them slightly above the tip, you get a line. If you cut them at an angle, you get two lines that cross each other. That's what happened in your question. The plane cut the cone at an angle, so the curve is two intersecting lines. That means the correct answer is D. A pair of intersecting lines.

I hope this helps you ace your math question.

In statistics, simulation practice is a method used to model and analyze real-world scenarios using a computer program. It involves creating a virtual representation of a system, situation, or process and performing experiments on it to generate data.

This method allows statisticians to investigate the potential outcomes of various scenarios without actually having to conduct real-world experiments.

Simulation practice is often used in statistical modeling, optimization, and decision-making. It can be applied to various fields, including finance, economics, engineering, and healthcare. Some examples of simulation practice include Monte Carlo simulation, agent-based modeling, and discrete-event simulation.

In conclusion, simulation practice is a valuable tool for statisticians and researchers as it enables them to gain insights into complex systems and make informed decisions based on data generated from virtual experiments.

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The average rate of change of f(x) is less than average rate of change of g(x). Then the correct option is A.

A statement, principle, or policy that creates the link between two variables is known as a function. Functions are found all across mathematics and are required for the creation of complex relationships.

The function f(x) is given in the table, then the rate of change of the function f(x) will be

[tex]\text{Rate of change of f(x)} = \dfrac{(-2 + 4.5)}{(-2 + 3)}[/tex]

[tex]\text{Rate of change of f(x)} = 2.5[/tex]

If function g is a quadratic function that contains the points (-3, 5) and (0, 14).

Then the rate of change of the function g(x) will be

[tex]\text{Rate of change of g(x)} = \dfrac{(14 - 5)}{(0 + 3)}[/tex]

[tex]\text{Rate of change of g(x)} = \dfrac{9}{3}[/tex]

[tex]\text{Rate of change of g(x)} = 3[/tex]

Thus, the average rate of change of f(x) is less than average rate of change of g(x).

Then the correct option is A.

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Point B: Electric field strength due to sphere X = 2073.6 NC⁻¹ and Electric field strength due to sphere Y = -2073.6 NC⁻¹.

data: Spheres X and Y are 4.0 m apart. The charge on sphere

X = + 72 mC = 72 × 10⁻³ C.

The charge on sphere

Y = -72 mC = -72 × 10⁻³ C.

The constant of proportionality = 9 × 10⁹ Nm²/C².

The formula to calculate the electric field strength due to a point charge is

E = k q / r²

where E is the electric field strength, k is the Coulomb's constant (= 9 × 10⁹ Nm²/C²), q is the magnitude of the charge, and r is the distance from the charge.The electric field due to sphere X at point A is

EaX = [tex]k q / r²where r = 4.0 m, q = + 72 × 10⁻³ CSo, EaX = 9 × 10⁹ × 72 × 10⁻³ / (4.0)²EaX = 9 × 9 × 2 × 2 × 2 × 2 / 10[/tex]EaX = 2592 / 10EaX = 259.2

NC⁻¹The electric field due to sphere Y at point A is

[tex]EaY = k q / r²where r = 4.0 m, q = -72 × 10⁻³ CSo, EaY = 9 × 10⁹ × 72 × 10⁻³ / (4.0)²EaY = -9 × 9 × 2 × 2 × 2 × 2 / 10EaY = -2592 / 10EaY = -259.2[/tex]

NC⁻¹The electric field due to sphere X at point B is

[tex]EbX = k q / r²where r = 4.0 m, q = + 72 × 10⁻³ C + 72 × 10⁻³ C = 144 × 10⁻³ C.So, EbX = 9 × 10⁹ × 144 × 10⁻³ / (4.0)²EbX = 9 × 9 × 4 × 4 × 4 × 4 / 10EbX = 20736 / 10EbX = 2073.6[/tex]

NC⁻¹The electric field due to sphere Y at point B is

[tex]EbY = k q / r²where r = 4.0 m, q = -72 × 10⁻³ C - 72 × 10⁻³ C = -144 × 10⁻³ C. So, EbY = 9 × 10⁹ × -144 × 10⁻³ / (4.0)²EbY = -9 × 9 × 4 × 4 × 4 × 4 / 10EbY = -20736 / 10EbY = -2073.6 NC⁻¹[/tex]

Therefore, the electric field strength at points A and B due to each sphere's presence are: Point A: Electric field strength due to sphere X = 259.2 NC⁻¹ and Electric field strength due to sphere Y = -259.2 NC⁻¹.

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Answer:

We have the slope of the line, which is 2 and a point that is (1, -1).

To find the point-slope form of the line, we use the equation:

y - y1 = m(x - x1)

where m is the slope and (x1, y1) is the given point.

Substituting in the values we have, we get:

y - (-1) = 2(x - 1)

Simplifying this equation, we get:

y + 1 = 2(x - 1)

Therefore, the answer is option C: y + 1 - 2(x - 1).

The statement that is correct option d: The spread of the number of activities for Class N is less than for Class M.

The term 'spread' in mathematics refers to the difference between the largest and smallest values in a dataset or the range of the data. It's the extent to which the dataset is spread out.The median is the center of a dataset. It's the number that lies in the middle of the sorted values. Half the values are greater than the median, while the other half are lesser than the median.

An outlier is a value that is very different from the other values in the dataset.In class M, there are no outliers. The distribution is skewed to the right since most students have only a few activities, and some have many. The median is between 2 and 3.

In class N, there are no outliers. Most students have a moderate number of activities, and the spread is less than in Class M. The median is between 5 and 6.Hence, the correct statement is The spread of the number of activities for Class N is less than for Class M.The correct answer is d

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The minimum distance between the point (0, 4) on the y-axis and points on the graph is 4.

To find the minimum distance between the point (0, 4) on the y-axis and points on the graph of the function y = x², we can use the concept of perpendicular distance.

The distance between a point (x, y) on the graph and the point (0, 4) is given by the formula:

distance = √((x - 0)² + (y - 4)²) = √(x² + (y - 4)²)

Substituting the function y = x² into the distance formula, we get:

distance = √(x² + (x² - 4)²) = √(x² + (x⁴ - 8x² + 16))

Simplifying further, we have:

distance = √(x⁴ + x² - 8x² + 16) = √(x⁴ - 7x² + 16)

To find the minimum distance, we need to minimize the expression x⁴ - 7x² + 16. Since this is a quadratic-like expression, we can use calculus to find the minimum.

Taking the derivative of x⁴ - 7x² + 16 with respect to x, we get:

d/dx (x⁴ - 7x² + 16) = 4x³ - 14x

Setting the derivative equal to zero to find critical points:

4x³ - 14x = 0

Factorizing, we have:

2x(2x² - 7) = 0

This gives us two critical points: x = 0 and x = ±√(7/2).

Next, we evaluate the expression x⁴ - 7x² + 16 at these critical points and the endpoints of the interval:

f(0) = 0⁴ - 7(0)² + 16 = 16

f(±√(7/2)) = (√(7/2))⁴ - 7(√(7/2))² + 16 ≈ 4.157

Comparing these values, we find that the minimum distance occurs at x = 0, giving us a minimum distance of √(0⁴ - 7(0)² + 16) = √16 = 4.

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Answer:

Region A: 20,178 people/521 km²

= 38.7 people/km²

Region B: 1,200 people/451 km²

= 2.7 people/km²

Region C: 13,475 people/395 km²

= 34.1 people/km²

Region D: 6,980 people/426 km²

= 16.4 people/km²

The regions, in order from the most densely populated to the least densely populated: A, C, D, B

The number of possible integral values of 'a' is 4 and the possible value of a are 1, 2, 5, and 10.

here we have to  find the number of possible integral values of 'a' that satisfy the given conditions, we need to compare the two inequalities:

x² - 6ax + 5a² <= 0

x² - 14x + 40 <= 0

Let's analyze each inequality separately:

x² - 6ax + 5a² <= 0

x² - 5ax -xa + 5a²<=0

(x - a)(x - 5a) <= 0

Case 1: (x - a) <= 0 and (x - 5a) <= 0

This implies a <= x <= 5a.

Case 2: (x - a) >= 0 and (x - 5a) >= 0

This implies x >= a and x >= 5a.

x² - 14x + 40 <= 0

x² - 10x-4x + 40 <= 0

(x - 4)(x - 10) <= 0

Case 3: (x - 4) <= 0 and (x - 10) <= 0

This implies 4 <= x <= 10.

Case 4: (x - 4) >= 0 and (x - 10) >= 0

This implies x >= 4 and x >= 10, which simplifies to x >= 10.

Case 1 (a <= x <= 5a) and Case 4 (x >= 10).

Since x >= 10, the lower bound of the intersection should be 10. We can substitute this value into the first inequality:

a <= 10 <= 5a

Dividing both sides by an (assuming a is positive), we get:

1 <= 10/a <= 5

To satisfy this condition, 'a' must be an integer divisor of 10. The integral values of 'a' that satisfy this condition are 1, 2, 5, and 10.

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Complete question:

if all the solutions of the inequality x² -6ax + 5a²<=0 are also the solutions of inequality x²- 14x + 40<=0 then find the number of possible integral values of a.

The question pertains to a quadratic inequality. A solution process could be carried out given the correct quadratic formula, although the initial inequality seems to contain a typo due to the lack of a comparison operator.

The question you asked is about finding the solution to quadratic inequality x^2-6ax+5a^2. In general, the solutions or roots for any quadratic equation can be calculated using the formula: -b ± √b² - 4ac / 2a. Therefore, you can potentially apply this formula to your inequality.

However, it appears that there might be a typo in your question, as an inequality should have a comparison operator (like <, >, ≤, or ≥). If the full equation was x^2-6ax+5a^2 ≤ 0 or ≥ 0, we could carry out the solution process with the given formula.

I would recommend reviewing the question to ensure that it's written correctly. Once you have the correct inequality, you can apply the quadratic formula and solve for your variable 'x'.

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The reason for Statement 2 in the two-column proof is the Angle Addition Postulate.The Angle Addition Postulate states that if two angles share a common vertex and a common side, then the sum of the measures of those angles is equal to the measure of the larger angle formed by the two sides.

In the given proof, Statement 1 states that the measure of angle PQS is 50 degrees. Statement 2 follows from the Angle Addition Postulate because angles PQS and SQR share the common vertex Q and the common side QS.

Since angle PQS is given as 50 degrees, and angles PQS and SQR are supplementary (which means their measures sum up to 180 degrees), we can use the Angle Addition Postulate to conclude that the measure of angle SQR is 180 - 50 = 130 degrees. This is shown in Statement 5.

Finally, Statement 6 states that angle SQR is an obtuse angle. This follows from the definition of an obtuse angle, which states that an angle is obtuse if its measure is greater than 90 degrees but less than 180 degrees. Since angle SQR measures 130 degrees, it falls within the range of obtuse angles.

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e^0 equals 1. e^infinity is undefined.

In mathematics, e^0 is equal to 1. This is because any number raised to the power of 0 is always equal to 1. The number e, which is approximately equal to 2.71828, follows this rule as well. So, when e is raised to the power of 0, the result is 1.

On the other hand, e^infinity is undefined. As the exponent approaches infinity, the value of e^infinity increases without bound. It does not converge to a specific number or approach any finite value.

In calculus and mathematical analysis, this is expressed by saying that the limit of e^x as x approaches infinity is equal to infinity.

The exponential function e^x is a fundamental mathematical concept with many applications in various fields such as physics, engineering, and finance.

Understanding the behavior of this function at different values of x, including 0 and infinity, is important for solving equations, modeling growth and decay processes, and studying the properties of exponential functions.

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Answer: none

Step-by-step explanation:

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(a) Chin had 93.1 marbles after the game.

(b) The three children had a total of 271.44 marbles altogether.

Let's break down the problem step by step to find the answers:

Initial marbles

Before the game:

Let's assume Afiq had x marbles.

Bala had 1/6 fewer marbles than Afiq, so Bala had (x - 1/6x) marbles.

Chin had 3/5 as many marbles as Bala, so Chin had (3/5)(x - 1/6x) marbles.

After the game

After the game, Bala lost 20% of his marbles to Chin, so he has 80% (or 0.8) of his initial marbles remaining.

Afiq lost 2/3 of his marbles to Chin, so he has 1/3 (or 0.33) of his initial marbles remaining.

Calculating the marbles

(a) How many marbles did Chin have after the game?

To find Chin's marbles after the game, we add the marbles gained from Bala to Chin's initial marbles and the marbles gained from Afiq to Chin's initial marbles.

Chin's marbles = Initial marbles + Marbles gained from Bala + Marbles gained from Afiq

Chin's marbles = (3/5)(x - 1/6x) + 0.8(x - 1/6x) + 0.33x

Chin's marbles = (3/5)(5x/6) + 0.8(5x/6) + 0.33x

Chin's marbles = (3/6)x + (4/6)x + 0.33x

Chin's marbles = (7/6)x + 0.33x

We are given that Chin gained 105 marbles, so we can equate the equation above to 105 and solve for x:

(7/6)x + 0.33x = 105

(7x + 2x) / 6 = 105

9x / 6 = 105

9x = 105 * 6

x = (105 * 6) / 9

x = 70

Substituting the value of x back into the equation for Chin's marbles:

Chin's marbles = (7/6)(70) + 0.33(70)

Chin's marbles = 10(7) + 0.33(70)

Chin's marbles = 70 + 23.1

Chin's marbles ≈ 93.1

Therefore, Chin had approximately 93.1 marbles after the game.

(b) After the game, the 3 children each bought another 40 marbles. To find the total number of marbles the 3 children have altogether, we need to sum up their marbles after the game and the additional 40 marbles for each.

Total marbles = Afiq's marbles + Bala's marbles + Chin's marbles + Additional marbles

Total marbles = 0.33x + 0.8(x - 1/6x) + (7/6)x + 40 + 40 + 40

Total marbles = 0.33(70) + 0.8(70 - 1/6(70)) + (7/6)(70) + 120

Total marbles = 23.1 + 0.8(70 - 11.7) + 81.7 + 120

Total marbles = 23.1 + 0.8 × 58.3 + 201.7

Total marbles = 23.1 + 46.64 + 201.7

Total marbles = 271.44

The three children had a total of 271.44 marbles altogether.

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Question

Afiq. Bala and Chin played a game of marbles. Before the game, Bala had 1/ 6 fewer marbles than Afig and Chinhad 3/5 as many marbles as Bala.

After the game, Balahad lost 20% of his marbles to Chinwhile Afig had lost

2/3 of his marbles to Chin. Chingained 105 marbles at the end of the

game.

(a)How many marbles didChinhave after the game?

(b)After the game, the 3 children each bought another 40 marbles. How manymarbles did the 3 children have altogether?

Answer:

Henrich has to pay $154,672.50 (32%) in taxes on his $484,500 income

Explanation:

The question is: What is Henrich's income tax liability in each of the following alternative scenarios?

Here are the scenarios:

1. All of his income is salary from his employer. Assume his modified AGI is $520,000.

2. His $484,500 of taxable income includes $2,000 of long-term capital gain that is taxed at preferential rates. Assume his modified AGI is $520,000.

3. His $484,500 of taxable income includes $48,000 of long-term capital gain that is taxed at preferential rates. Assume his modified AGI is $520,000.

4. Henrich has $197,250 of taxable income, which includes $50,900 of long-term capital gain that is taxed at preferential rates. Assume his modified AGI is $214,500.

Here are the answers:

1. Henrich's income tax liability is $133,476.25.

2. Henrich's income tax liability is $133,476.25 and his net investment income tax liability is $0.

3. Henrich's income tax liability is $133,476.25 and his net investment income tax liability is $1,344.

4. Henrich's income tax liability is $54,175.00 and his net investment income tax liability is $745.00.

1. Henrich has a total income of $484,500.

2. He has to pay $133,476.25 in income tax.

3. He also has to pay $21,196.25 in net investment income tax.

4. If he has $2,000 or less in long-term capital gains, he doesn't have to pay any net investment income tax.

5. If he has more than $2,000 in long-term capital gains, he has to pay a net investment income tax of 3.8% on the amount over $2,000.

Tax on his investment income:

1. Henrich's income tax liability is $133,476.25.

2. His net investment income tax liability is $21,196.25.

3. His net investment income tax liability is $0.

4. His net investment income tax liability is $1,344.00.

5. His net investment income tax liability is $745.00.

1. Henrich has to pay $133,476.25 in taxes.

2. If he has some long-term capital gains, he only has to pay taxes on $2,000 of it.

3. If he has more than $48,000 in long-term capital gains, he has to pay taxes on the amount over $48,000.

4. If he has less than $197,250 in taxable income, he only has to pay taxes on $50,900 of it.

1. Henrich's income tax liability is $133,476.25.

2. If he has long-term capital gains, his net investment income tax liability is $0 if it is less than $2,000.

3. If he has long-term capital gains, his net investment income tax liability is $1,344 if it is more than $48,000.

4. Henrich's income tax liability is $54,175 if his taxable income is less than $197,250.

**Scenario 1: All of his income is salary from his employer. Assume his modified AGI is $520,000.**

Henrich's income tax liability is $133,476.25. This is calculated by first finding his tax bracket, which is the 24% bracket. Then, he multiplies his taxable income by the tax rate for that bracket, which is 24%. This gives him an income tax liability of $112,280.00. He also has a net investment income tax liability of $21,196.25. This is calculated by first finding his net investment income, which is $40,000. Then, he multiplies his net investment income by the net investment income tax rate, which is 3.8%. This gives him a net investment income tax liability of $1,520.00.

**Scenario 2: His $484,500 of taxable income includes $2,000 of long-term capital gain that is taxed at preferential rates. Assume his modified AGI is $520,000.**

Henrich's income tax liability is $133,476.25. This is calculated in the same way as in Scenario 1. His net investment income tax liability is $0. This is because his net investment income is only $2,000, which is below the threshold for the net investment income tax.

**Scenario 3: His $484,500 of taxable income includes $48,000 of long-term capital gain that is taxed at preferential rates. Assume his modified AGI is $520,000.**

Henrich's income tax liability is $133,476.25. This is calculated in the same way as in Scenario 1. His net investment income tax liability is $1,344.00. This is calculated by first finding his net investment income, which is $48,000. Then, he subtracts the preferential rate amount, which is $2,000. This gives him a net investment income of $46,000. Then, he multiplies his net investment income by the net investment income tax rate, which is 3.8%. This gives him a net investment income tax liability of $1,728.00.

**Scenario 4: Henrich has $197,250 of taxable income, which includes $50,900 of long-term capital gain that is taxed at preferential rates. Assume his modified AGI is $214,500.**

Henrich's income tax liability is $54,175.00. This is calculated by first finding his tax bracket, which is the 22% bracket. Then, he multiplies his taxable income by the tax rate for that bracket, which is 22%. This gives him an income tax liability of $43,395.00. He also has a net investment income tax liability of $745.00. This is calculated in the same way as in Scenario 3.

chatgpt

bardAI

The reason why Figure A is congruent to Figure C is that they undergo the same sequence of transformations: a translation followed by a reflection.

The statement "Figure A is translated 3 units right and 2 units up. The translated figure is labeled Figure B. Figure B is reflected over the x-axis. The reflected figure is labeled Figure C" describes a sequence of transformations applied to Figure A to obtain Figure C.

When Figure A is translated 3 units right and 2 units up, it undergoes a rigid transformation known as a translation. This transformation preserves the shape and size of the figure. The translated figure, Figure B, will have the same dimensions and orientation as Figure A but will be shifted to the right and up.

When Figure B is reflected over the x-axis, it undergoes a reflection. This transformation flips the figure vertically, changing the sign of the y-coordinates of its vertices while keeping the x-coordinates the same. The reflected figure, Figure C, will have the same shape and size as Figure B, but it will be oriented in the opposite direction.

Since translations and reflections are both rigid transformations, they preserve congruence. Therefore, Figure A and Figure C are congruent because they undergo the same sequence of transformations (translation followed by reflection) from Figure A.

In conclusion, Figures A and C go through the same set of transformations, a translation and a reflection, which explains why they are congruent.

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Hola!

-4 - 6

= -10

the answer is -10

The surface area and volume of the composite solid is are 1720ft² and 3563.33 ft³ respectively.

The area occupied by a three-dimensional object by its outer surface is called the surface area.

The surface area of the solid = lateral area of pyramid + surface area of cuboid

lateral area of pyramid = 4 × 1/2 bh

= 4 × 1/2 × 10× 12

= 120×2 = 240 ft²

Surface area of the cuboid = 2( 100+ 320+ 320)

= 2( 740)

= 1480 ft²

Surface area of the composite solid = 240 + 1480

= 1720 ft²

Volume of the composite solid = volume of cuboid + volume of pyramid

volume of cuboid = 10×10×32 = 3200ft²

volume of pyramid = 1/3base area × height

height of the pyramid is calculated as;

diagonal of base = √ 10²+10²

= √200

= 14.14

h² = 13²-7.07²

h² = 169 - 49.98

h² = 119.02

h = 10.9 ft

Volume of pyramid = 1/3 × 100 × 10.9

= 363.33 ft³

Volume of the composite solid = 3200+363.33

= 3563.33 ft³

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