Pre-Caclus 75 points + [tex]Brainliest[/tex]
Question shown in picture.

Options:
[tex]\frac{x - 28}{x-46}[/tex]
[tex]\frac{x - 13}{x-28}[/tex]
[tex]\frac{x - 7}{x-13}[/tex]
[tex]\frac{x - 13}{x-46}[/tex]

Expectations:
Correct
Explantion
Reasonable

Must not:
Incorrect
No explanation
Spam
Gibberish

Question:

The simplified form of the given expression, can be found to be A. x² + 7x + 5.

Simplified expressions are algebraic expressions that have been reduced to their simplest form by applying the rules of arithmetic and algebra.

To simplify the expression, we add the corresponding terms from both expressions:

(-3x² + 2x - 4) + (4x² + 5x + 9)

Combine the x² terms: -3x² + 4x² = 1x² (or simply x²)

Combine the x terms: 2x + 5x = 7x

Combine the constants: -4 + 9 = 5

So, the simplified expression is:

x² + 7x + 5

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Applying the side-splitter theorem, the value of x in the image given is calculated as: x = 5.

The Side-Splitter Theorem states that if a line is drawn parallel to one side of a triangle and intersects the other two sides, the ratio of the length of the two segments of the divided sides is equal to the ratio of the lengths of the sides that form the two smaller triangles.

Using this theorem, we van apply it to solve for x in the image given:

24x/(24x - 50) = 84/49

Solve for x:

24x(49) = 84(24x - 50)

1,176x = 2,016x - 4,200

1176x - 2016x = -4200

-840x = -4,200

x = -4200/-840

x = 5

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A circle with center V and an inscribed equilateral triangle RST.

What is circle?

A circle is a closed two-dimensional shape consisting of all the points that are equidistant from a given point, called the center.

To construct a circle with center V and an inscribed equilateral triangle RST, follow these steps:

Draw point V as the center of the circle.

From point V, draw a radius that will serve as one side of the equilateral triangle RST. Label the endpoint of this radius as point S.

Using a compass, draw a circle with center V and radius VS. This circle will intersect the radius VS at two points, label these points as R and T.

Draw segments RT and RS to complete the equilateral triangle RST.

Your construction should show a circle with center V and an inscribed equilateral triangle RST.

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The distance between the end of the water supply pipe and the sink should be 2 times the diameter of the supply pipe. Option B is the correct answer.

The distance between the end of the water supply pipe and the sink is determined by plumbing codes and standards to ensure safe and efficient water delivery.

The National Standard Plumbing Code requires a minimum distance of 2 times the diameter of the supply pipe between the end of the pipe and the nearest point of use, such as a faucet or sink.

This helps prevent any potential contamination from the supply pipe and ensures adequate flow and pressure for efficient operation.

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To find the 18th term of a pattern that repeats 5 times (which is a pentagon), we need to divide 18 by 5, which gives us a quotient of 3 and a remainder of 3.

This means that the pattern repeats 3 times, and we need to find the 3rd term of the pattern after the third pentagon.

The third term of the pattern after the third pentagon would be the fourth pentagon in the sequence, since each pentagon consists of 5 terms. Therefore, the 18th term would be the third term of the fourth pentagon in the sequence, which is the 13th term overall.

So the 18th term in the sequence would be the 13th term of the pattern, which is another pentagon.

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Answer:

1

Step-by-step explanation:

Use PEMDAS rules to answer this.

Parentheses first:

[tex](24-59)=-35[/tex]

Division next:

[tex]48:2=24[/tex]

Subtraction:

[tex]24-60=-36[/tex]

Currently we have:

[tex](-35)-(-36)[/tex]

This becomes:

[tex]-35+36 = 1[/tex]

The critical z-value for a 98% confidence level is 2.33.

What is statistics?

Statistics is a branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of numerical data. It involves the use of methods and techniques to gather, summarize, and draw conclusions from data.

Statistics plays a significant role in various fields, including business, economics, social sciences, medicine, engineering, and many others.

To find the critical z value for a 98% confidence level, we need to look up the z-value associated with an area of 0.01 in the upper tail of the standard normal distribution table (since 98% of the area lies within the confidence interval, leaving 2% in the tails).

Using a standard normal distribution table, we can find that the z-value that corresponds to an area of 0.01 in the upper tail is approximately 2.33.

Therefore, the critical z-value for a 98% confidence level is 2.33.

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1.75 in or 1 3/4 in (which ever form you need it in)

youre given the diameter and so to find radius, you simply divide the diameter by 2.

Answer: The outlier is 93 is an outlier. Since an outlier exists, median and IQR are the best measures of center and variation to represent this data set

Standard deviation is the best method for comparing the spread of frequency distributions for two groups, as it provides an accurate and sensitive measure of variability.

To compare the spread of the frequency distributions for two groups, we can use the measure of variability called the standard deviation. The standard deviation provides a measure of how much the data points are spread out around the mean.

A smaller standard deviation indicates that the data points are clustered closely around the mean, whereas a larger standard deviation indicates that the data points are more spread out from the mean.

The reason why standard deviation is a good measure of spread is that it is sensitive to the distance between data points and the mean. Therefore, it provides an accurate measure of how much the data is spread out, regardless of the shape of the distribution.

To calculate the standard deviation, we first need to calculate the mean of each group, and then the difference between each data point and the mean, squared.

We then take the average of these squared differences and take the square root to get the standard deviation.

For example, suppose we have two groups of test scores:

Group A: 75, 80, 85, 90, 95

Group B: 60, 70, 80, 90, 100

To calculate the standard deviation for Group A, we first calculate the mean:

(75 + 80 + 85 + 90 + 95) / 5 = 85

Then we calculate the difference between each data point and the mean, squared:

(75 - 85)² = 100

(80 - 85)² = 25

(85 - 85)² = 0

(90 - 85)² = 25

(95 - 85)² = 100

Next, we take the average of these squared differences:

(100 + 25 + 0 + 25 + 100) / 5 = 50

Finally, we take the square root of this average:

√(50) = 7.07

Therefore, the standard deviation for Group A is 7.07. We can repeat these steps for Group B and compare the two standard deviations to determine which group has a larger spread.

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The table of ordered pairs is completed below

Here is the completed table and plotted points:

Point x y (x,y)

A 4 9 (4,9)

B 6 3 (6,3)

C 1 3 (1,3)

D 8 7 (8,7)

E 8 9 (8,9)

To plot these ordered pairs on a coordinate plane, we need to draw the x and y axes, and label the units on each axis.

Then we can plot each point by starting at the origin (0,0) and moving horizontally (to the right if x is positive, or to the left if x is negative) and vertically (up if y is positive, or down if y is negative) to the corresponding point.

The points plotted on the coordinate plane are attached

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Complete the table. Then, plot the ordered pairs on the coordinate plane. Make sure to label each point with its corresponding letter.

              x                y       (x, y)

A            4                9

B            6                3

C            1                3

D            8                7

E             8                9

The probability that point X is on segment DE is given as follows:

1/9.

A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.

The length of segment AE is given as follows:

28 - (-8) = 36 units.

The length of segment DE is given as follows:

28 - 24 = 4 units.

Hence the probability is given as follows:

p = 4/36

p = 1/9.

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Using combinations we know that 24 combinations of the flags can be used.

Combinations are mathematical procedures that count how many different ways a collection of items could be arranged when the order in which they are chosen is immaterial.

Combos' components can be chosen in any hierarchy.

Combinations and permutations can coexist.

The expression "Selection of things" refers to a circumstance in which the chronology of occurrences is unimportant.

So, we know that we have 3 types of flags which are:

4 flags for the top position.

3 flags for the middle position.

2 flags for the bottom position.

Now, different combinations would be:

4 * 3 * 2 = 24

Therefore, using combinations we know that 24 combinations of the flags can be used.

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Answer: its b

Step-by-step explanation: all coins have a heads and tails so that takes out c.

d is just for jokes

a.  a coin in a school problem is not gonna be wieghted.

The surface area of the rectangle prism is 96cm²

A prism is a solid shape that is bound on all its sides by plane faces. The surface area of a prism is expressed as;

SA = 2B +pH

where B is the base area and p is the perimeter of the base and h is the height of the prism.

Base area = 4× 2 = 8cm²

perimeter of the base = 2(4+2) = 2× 8 = 16cm²

height = 5cm

therefore the surface area of the prism

= 2×8 + 5×16

= 16+80

= 96cm²

therefore the surface area of the prism is 96cm²

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Answer:

2l + 2w = 24, so l + w = 12

A(l) = l(12 - l)

The equation r · sin θ = 10 in rectangular coordinates is equal to y = 10.

Herein we find the representation of a equation in polar coordinates, whose form in rectangular coordinates. This can be done by using the following definitions:

cos θ = x / r

sin θ = y / r

Where:

Then, the equation in polar coordinates is:

r · sin θ = 10

y = 10

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To find A's best response to B choosing L in normal form game, we can compare the payoffs for A choosing H and L when B chooses L.

If A chooses H and B chooses L, then A's payoff is 0 and B's payoff is 6.

If A chooses L and B chooses L, then A's payoff is 3 and B's payoff is 3.

Comparing the payoffs, we see that A gets a higher payoff if he chooses H when B chooses L. Therefore, A's best response to B choosing L is H.

To find B's best response to A choosing L, we can compare the payoffs for B choosing H and L when A chooses L.

If A chooses L and B chooses H, then A's payoff is 9 and B's payoff is 4.

If A chooses L and B chooses L, then A's payoff is 3 and B's payoff is 3.

Comparing the payoffs, we see that B gets a higher payoff if he chooses L when A chooses L. Therefore, B's best response to A choosing L is L.

So, the answer is (c) L;H. A's best response to B choosing L is H, and B's best response to A choosing L is L.

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we cannot simply write equation 5c + 3d as 8c, 8d, or 8cd.

A variable in mathematics is a symbol or letter that is used to indicate a quantity in a mathematical statement or equation that can have many values. It is a symbol that may be used to represent an arbitrary or undefined integer in algebraic expressions and equations.

In the equation 5c + 3c = 8c, we can combine the two terms on the left side because they have the same variable (c) and the same exponent (1).

However, in the expression 5c + 3d, the two terms have different variables (c and d) and cannot be combined in the same way. Therefore, we cannot simply write 5c + 3d as 8c, 8d, or 8cd.

If we want to simplify the expression 5c + 3d, we can only write it in its simplest form or factor it further if possible.

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The solution to the given problem of the unitary method comes out to be Plan A and Plan B thus lasting for a total of 1.25 hours each.

Finish the project using the tried-and-true basic methodology, the actual variables, and any pertinent knowledge you gain from the broad and specific questions. In response, customers might be given another opportunity to sample the expression the products. We'll miss out on important breakthroughs in programming comprehension if these changes don't take place.

Here,

Let's say that Plan A's duration is "a" hours and Plan B's duration is "b" hours.

=> Equation 1: 6a + 2b = 10.

=>  Equation 2: 3a + 5b = 10.

To get rid of "a," multiply Equation 1 by 3 and Equation 2 by 6 and you get:

=> Equation 3: 18a + 6b = 30

=> Equation 4: 18a + 30b = 60

Equation 3 minus Equation 4 results in:

=>  24b = 30

When we multiply both sides by 24, we get:

=> b=30/24=5/4=1.25 hours.

The value of "b" can now be reinserted into Equation 3 to find "a":

=> 18a + 6(1.25) = 30

=> 18a + 7.5 = 30

=> 18a = 30 - 7.5

=> 18a = 22.5

When we multiply both sides by 18, we get:

=> if a = 22.5/18 then 1.25 hours.

Plan A and Plan B thus last for a total of 1.25 hours each.

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B

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

If the researcher is interested in testing if a particular value is either greater or smaller than the hypothesized value, then a one-tailed test is appropriate

The decision of whether to use a one-tailed test or a two-tailed test when testing hypotheses depends on the nature of the situation and what the researcher is trying to demonstrate. . If the researcher is interested in testing if a particular value is simply different from the hypothesized value, then a two-tailed test is appropriate. The level of significance of the test is also an important consideration, but it is not the primary determinant of whether to use a one-tailed or two-tailed test.

what is demonstrate?

To demonstrate means to show or prove something convincingly with evidence or argument. It is a way of providing support for a claim or idea.

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Answer:i thing the anwser is 56

Step-by-step explanation:

What will likely happen to the price of the toy after it lost popularity is that the price would go down, because demand decreased. That is option D.

The effect of decrease in the popularity of a product affects both it's demand and the cost price.

Since the product is less needed by the consumers and population at large the manufacturer would adjust the cost price to enhance its sales output at the end of each business month.

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If [tex]5[/tex] grammes are rounded to the closest tenth, that would be  [tex]0.175[/tex] ounces.

The conversion factor that states [tex]1[/tex] gramme is about equivalent to [tex]0.035[/tex]ounces can be used to convert grammes to ounces.

we may multiply  [tex]5[/tex] by  [tex]0.035[/tex] to convert [tex]5[/tex] grammes to ounces:

[tex]5 grams \times 0.035 \ oz/gram = 0.175[/tex] ounces

It's vital to remember that the ratio of 1 gramme to  [tex]0.035[/tex] ounces is merely an estimate; the precise ratio is 1 gramme to [tex]0.03527396195[/tex] ounces.

However, utilizing the streamlined conversion factor of [tex]1[/tex] gramme to [tex]0.035[/tex] ounces is accurate enough for the majority of routine uses.

Therefore,If [tex]5[/tex] grammes are rounded to the closest tenth, that would be  [tex]0.175[/tex] ounces.

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99.57 units is the measurement of the hypotenuse for the given triangle.

In this case, the legs of the triangle are 7x+6 and 5x, so we have:

a = 7x+6

b = 5x

Substituting x = 11, we get:

a = 7(11) + 6 = 83

b = 5(11) = 55

Now we can use the Pythagorean theorem to find the length of the hypotenuse:

[tex]c^2 = a^2 + b^2\\c^2 = 83^2 + 55^2\\c^2 = 6889 + 3025\\c^2 = 9914[/tex]

Taking the square root of both sides, we get:

c = √9914 ≈ 99.57

Therefore, the length of the hypotenuse of the triangle is approximately 99.57 units.

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a) The fraction of all the meal combinations which have at least one vegan option is 1/8.

b) There are 168 different three-course meal combinations available.

A fraction is a way of representing a part or a ratio of a whole, using a numerator and a denominator separated by a slash ("/") or a horizontal line. The numerator represents the number of parts being considered, and the denominator represents the total number of equal parts that make up the whole.

According to the given information:

a) To work out the fraction of all the meal combinations which have at least one vegan option, we need to count the total number of meal combinations with at least one vegan option, and then divide it by the total number of meal combinations.

The vegan options in the table are:

Mozzarella salad (V)

Cheese pizza (V)

Aubergine curry (V)

There are a total of 4 salads (including the vegan salads) and 6 mains (including the vegan mains). So the total number of meal combinations without any restriction is 4 x 6 = 24.

Now, we can calculate the total number of meal combinations without any vegan option, which is 24 - 3 = 21 (since 3 options are vegan).

So, the fraction of all the meal combinations which have at least one vegan option is (total meal combinations - meal combinations without any vegan option) divided by total meal combinations:

= (24 - 21) / 24

= 3 / 24

= 1 / 8

Therefore, the fraction of all the meal combinations which have at least one vegan option is 1/8.

b) If diners also choose one of 7 dessert options, we can simply multiply the total number of meal combinations (24) by the number of dessert options (7) to get the total number of three-course meal combinations available:

24 x 7 = 168

So, there are 168 different three-course meal combinations available.

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The relative error in calculating the area of the rectangle is 0.0155.

The relative error means ratio of the absolute error of the measurement to the actual measurement.

The actual area of the rectangle is:

= 10 ft x 8 ft

= 80 sq ft

The measured area is:

= 10.46 ft x 7.53 ft

= 78.7638 sq ft

The relative error derive by the following formula:

= (Real - Measured)/Real

= (80 - 78.7638)/80

= 0.0154525

= 0.0155.

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