Problem
The table compares the heights (in centimeters) and the weights (in kilograms) of Karim's friends.
Can the weight of Karim's friends be represented as a function of their height?
Height (centimeters) Weight (kilograms)
163
163163
65
6565
167
167167
70
7070
154
154154
60
6060
172
172172
70
7070
167
167167
68
6868
159
159159
58
5858
160
160160
64
6464
166
166166
69
6969
Choose 1 answer:
Choose 1 answer:
(Choice A) Yes
A
Yes
(Choice B) No
B
No

The time required to have number of bacteria to be 100,000 is equal to 15.96 hours.

Let us consider,

N = final number of bacteria

   = 100,000 bacteria

N₀ = initial number of bacteria

    = 2500 bacteria

t = time elapsed

T = time it takes for the population to double

   = 3 hours

Use exponential growth formula to solve this problem,

N = N₀ × 2^(t/T)

Substitute the values in the formula,

⇒ 100,000 = 2500 × 2^(t/3)

Simplify this equation by dividing both sides by 2500,

⇒ 100,000/2500 = 2^(t/3)

⇒ 40 = 2^(t/3)

To solve for t, we can take the logarithm of both sides of the equation,

⇒ log40 = (t/3) log 2

⇒ t/3 = log 40 /log 2

⇒t = 3 × ( log 40 /log 2)

Using a calculator, we can evaluate this expression to get,

t ≈ 15.96 hours

Therefore, it will take approximately 15.96 hours for the number of bacteria to reach 100,000.

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The dress was sold at a profit of 20%.

Profit percent is the percentage of profit earned on a product or investment, calculated as the profit divided by the cost price multiplied by 100%.

The profit or loss percent can be calculated using the following formula:

Profit/Loss percent = (Profit or Loss / Cost Price) x 100%

Here, the Cost Price (CP) of the dress is Rs. 2500, and the Selling Price (SP) is Rs. 3000.

Profit = SP - CP = Rs. 3000 - Rs. 2500 = Rs. 500

Therefore, the profit percent is

Profit percent = (Profit / CP) x 100%

Substitute the values in the equation

= (500 / 2500) x 100%

= 20%

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I have solved the question in general, as the given question is incomplete.

The complete question is:

A dress was bought for Rs. 2500 and sold for Rs. 3000. Find the profit or loss percent

Answer: the equation represents a circle centered at (-6, -6) with radius 2.

Step-by-step explanation:

x^2 + 12x + 36 + y^2 + 12y + 12 - 36 = 0

Simplifying, we get:

(x + 6)^2 + y^2 - 12 = 0

For the y terms, we add (12/2)^2 = 36 to both sides to get:

x^2 + 12x + 36 + y^2 + 12y + 36 - 24 = 0

Simplifying, we get:

(x + 6)^2 + (y + 6)^2 = 4

Therefore, the equation represents a circle centered at (-6, -6) with radius 2.

Answer: 0

Step-by-step explanation:

From this graph , it takes 0.75 seconds to reach the highest position.

A graph is a visual representation of the relationship between two sets of data or variables, typically via lines or curves. A diagram or pictorial representation of facts or values that is arranged might be referred to as a graph in mathematics. The relationship between two or more items is frequently represented by the points on the graph

The graph indicates that the peak is at (0.75, 9)

The x-axis displays the time in seconds, while the y-axis displays the height in feet.

Consequently, it takes 0.75 seconds to reach the highest position.

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Answer:

$2655.40

Step-by-step explanation:

Answer:

$2655.4

Step-by-step explanation:

6%= 0.06

1870 x 0.06 = 112.2

7 x 112.2= 785.4

$785.4 + $1870= 2655.4

$2655.4 will be in the account after 7 years

To determine the percent success, divide the actual score by the theoretical score, and then multiply the result by 100 to convert the value to a percentage.

We define the actual score, theoretical score, and explain how to calculate the percent success on an exam.
Actual score:

The actual score refers to the number of points a student has earned on an exam.

It represents the student's performance on the test, taking into account the correct and incorrect answers.
Theoretical score:

The theoretical score is the maximum number of points a student can earn on an exam.

This represents a perfect performance, where the student answers all questions correctly.
Calculating percent success:

To determine the percent success, divide the actual score by the theoretical score, and then multiply the result by 100 to convert the value to a percentage.
a. Divide the actual score by the theoretical score: (actual score) / (theoretical score)
b. Multiply the result by 100: (result from step a) * 100
c. The final value is the percent success.

For example, if a student has an actual score of 80 and the theoretical score is 100, the percent success would be calculated as follows:
a. 80 / 100 = 0.8
b. 0.8 * 100 = 80
c. The percent success is 80%.

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Based on the table, a relationship which best predicts the end behavior of the graph of f(x) include the following: C. as, x → ∞, f(x) → –∞, And as x → –∞, f(x) → ∞.

In Mathematics and Geometry, a function f(x) is generally considered as an odd function if the following condition holds for all x-values (both positive x-values and negative x-values) in the domain of function f(x):

-f(x) = f(-x) - f (x) = f(-x)

This ultimately implies that, the larger the x-values or independent values (domain) is, the smaller would be the y-values or output values (range). On the other hand (conversely), the smaller the x-values or independent values (domain) is, the larger would be the y-values or output values (range);

x → ∞, f(x) → –∞, And as x → –∞, f(x) → ∞.

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Answer:

5x+20

Step-by-step explanation:

you are given that y=2x-5 so you can substitue that for the y value.

-3x-4(2x-5) is your new equation. You can further simply it and you will get:

-3x+8x+20

5x+20

Thus, the given quadratic equation has two real roots x = 3 and x = -2.

A function or mathematical statement of degree two is a quadratic function. This indicates that two is the function's highest power. The roots of all quadratic functions are two.

Given equation:

x² - x - 6 = 0

Using the quadratic formula:

x = [-b ± √(b² - 4ac) ] / 2a

a = 1 , b = -1 and c = -6

x = [1 ± √((-1)² - 4*1*(-6) ] / 2*1

x = [1 ± √(1 + 24) ] / 2

x = [1 ± 5 ] / 2

Now,

x = (1 + 5)/2 = 3

x = (1 - 5)/ 2 = -2

Thus, the given quadratic equation has two real roots x = 3 and x = -2.

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complete question:

Check whether the given equation has, one solution, two solution ,many solution or no real solution.

x² - x - 6 = 0

a) Any value outside of Q1 - 1.5(IQR) and Q3 + 1.5(IQR) can be considered a potential outlier.

b) This will give us a visual representation of the distribution of income among the full-time students.

c) It is important to analyze outliers carefully to ensure that they are not artificially skewing the results of our analysis.

(a) To check for outliers in the data set, we can use the box-and-whisker plot or the z-score method. However, since we do not have the exact data, we cannot use these methods. One way to identify potential outliers is to calculate the quartiles (Q1, Q2, and Q3) and the interquartile range (IQR).

(b) To draw a histogram of the data, we can use the frequency distribution table given in the question. The x-axis should represent the income ranges (e.g. $0-$100, $100-$200, etc.) and the y-axis should represent the frequency (i.e. the number of students who earned income within each range).

(c) If there are any outliers in the data set, we need to investigate them further to determine the reason for their unusual values. Possible reasons for outliers could be data entry errors, extreme values due to high- or low-income jobs, or unique situations such as unexpected windfalls or emergencies.

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A drill-down report is a type of report that displays a greater level of detail as the user navigates through it.

A drill-down report is a type of report that allows the user to access a greater level of detail as they navigate through it. It is an interactive report that presents a summary of data initially and then allows the user to drill down to more detailed information.

The report provides a visual representation of data that can be explored at different levels of granularity, providing a deeper understanding of the underlying information. Drill-down reports are useful for decision-making because they provide insights into the root causes of issues or trends.

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To determine the sample size needed to have a % confidence that our sample mean will be within hours of the true mean, we would need to use a formula. Specifically, we would use the formula: n = (Z^2 * s^2) / E^2

Where n is the sample size needed, Z is the z-score associated with the desired confidence level, s is the standard deviation of the population, and E is the margin of error (in this case, the specified difference of hours between the sample mean and true mean).

Assuming we have information about the population standard deviation (s), we can plug in the values for Z, s, and E to find the necessary sample size. For example, if we wanted to be 95% confident that our sample mean would be within 2 hours of the true mean, we would use a Z-score of 1.96 (which corresponds to a 95% confidence level). Let's say the population standard deviation is 5 hours. Plugging in these values, we would get:

n = (1.96^2 * 5^2) / 2^2
n = 96.04

So we would need a sample size of at least 97 in order to be 95% confident that our sample mean would be within 2 hours of the true mean.
To determine the sample size needed to be confident that our sample mean will be within a specific number of hours of the true mean, we need to know the confidence level, standard deviation, and margin of error (in hours). The formula for calculating the sample size is:

n = (Z^2 * σ^2) / E^2

where:
n = sample size
Z = Z-score corresponding to the desired confidence level
σ = population standard deviation
E = margin of error (in hours)

Once you provide the confidence level, standard deviation, and margin of error (hours), we can plug in the values and calculate the required

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Answer:

1-There were about 483 principals in attendance.

2-The college will have about 640 students who prefer pie

3-histogram with the title favorite sport and the x axis labeled sport and the y axis labeled number of students, with the first bar labeled baseball going to a value of 17, the second bar labeled basketball going to a value of 12, the third bar labeled tennis going to a value of 27, and the fourth bar labeled soccer going to a value of 44

4-The correct option regarding which bus has the least spread among the travel times is given as follows:

Bus 18, with an median of  16

Hope you get them all right :)

Answer:

$525

Step-by-step explanation:

Jackie starts with $500, and the interest rate is 5% per year.

This means that, after one year, Jackie will have accumulated 5% interest with the $500 she put into the savings account.

Now, we can find 5% of $500 by converting 5% to its fraction form, which is 5/100. 5% of a value means that you need to multiply the fraction (or decimal) by the said value. So, we have:

[tex]\frac{5}{100}[/tex] · 500 =

[tex]\frac{2500}{100}[/tex] =

25

Therefore, the amount of interest she has accumulated in one year is $25. Combined with the money in her savings account, she has $525, since $500 + $25 = $525.

Answer:

21,952.6

Step-by-step explanation:

20÷4=5

5+109,758= 109,763

109,763÷5 = 21,952.6

Answer:

21952.6

Step-by-step explanation:

Since there are 4 people in total, you divide 20 by 4 giving you 5. By adding 109,758 you will get 109,763. Dividing that by 5 then gives you the answer: 21,952.6

The total number of ways to buy 10 pieces of fruit so that you buy at most 2 pieces with inedible cores is 137.

To determine the number of ways to buy 10 pieces of fruit so that you buy at most 2 pieces with inedible cores, we can use a combination of counting techniques.

First, we can consider the total number of ways to buy 10 pieces of fruit without any restrictions. This can be represented by the number of solutions to the equation:

x1 + x2 + x3 + x4 = 10

where x1 represents the number of bananas, x2 represents the number of apples, x3 represents the number of pears, and x4 represents the number of strawberries. Using the stars and bars method, we can find that there are C(13,3) = 286 ways to do this.

Next, we need to subtract the number of ways to buy 10 pieces of fruit where we buy 3 or more pieces with inedible cores.

We can do this by considering the number of ways to buy 3, 4, or 5 apples and pears, and then finding the number of ways to distribute the remaining pieces of fruit. Using the same method as before, we can find that there are C(12,2) + C(11,2) + C(10,2) = 221 ways to do this.

Finally, we can subtract the number of ways to buy 10 pieces of fruit where we buy 3 or more pieces with inedible cores twice, since we double-counted these cases in the previous step. Using the inclusion-exclusion principle, we can find that there are 2 * C(9,2) = 72 ways to do this.

Therefore, the total number of ways to buy 10 pieces of fruit so that you buy at most 2 pieces with inedible cores is 286 - 221 + 72 = 137.

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So the transformation is: (x, y) → (x + -8, y - 4) which is equivalent to option B.

In mathematics, a transformation is a process that manipulates the position, size, or shape of a geometric object. Transformations can include translations, rotations, reflections, and dilations. They are used to study geometric properties and relationships and are often used in fields such as geometry, algebra, and computer graphics. Transformations are important in understanding symmetry and congruence, as well as in solving problems involving geometric figures.

Here,

We can see that the transformation takes each point of the form (x, y) in ABC to a corresponding point of the form (x', y') in A'B'C'. To find the correct transformation, we need to determine how the coordinates of the points in ABC are related to the coordinates of the corresponding points in A'B'C'. One way to do this is to use the fact that the transformation should preserve the relative distances and angles between the points. Another way is to use the known coordinates of three corresponding points to determine the transformation directly.

In this case, we can see that the transformation maps (-3,-2) to (5,2), (-1,-4) to (7,0), and (-6,-5) to (2,-1). We can use these points to find the transformation:

(x, y) → (x', y')

To map (-3,-2) to (5,2), we need to add 8 to the x-coordinate and add 4 to the y-coordinate:

x' = x + 8

y' = y + 4

To map (-1,-4) to (7,0), we again add 8 to the x-coordinate, but this time we only add 4 to the y-coordinate:

x' = x + 8

y' = y + 4

To map (-6,-5) to (2,-1), we subtract 4 from the x-coordinate and subtract 4 from the y-coordinate:

x' = x - 4

y' = y - 4

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The cost of labour per hour is $45.

To find the cost of labour per hour, we need to first subtract the cost of the parts from the total cost to get the cost of the labour.

Total cost - cost of parts = cost of labour

$347.25 - $156 = $191.25

Now we can divide the cost of labour by the number of hours the technician worked on the computer to find the cost of labour per hour.

Cost of labour / Hours worked = Cost of labour per hour

$191.25 / 4.25 hours = $45 per hour

Therefore, the cost of labour per hour was $45.

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Answer: 3 pieces

Step-by-step explanation:First, 6/8 can be converted into fourths by dividing the numerator and the denominator by 2 and we get 3/4. if we want 1/4 slices we divide 3/4 by 1/4 and get 3.

The sum $a b c$ is 11760 if the ratio of the areas of two squares is  [tex]$\frac{32}{63}$[/tex].

Let the side length of the first square be x and the side length of the second square be y. Then we have:

[tex]\frac{Area of first square}{Area of second square} = \frac{x^2}{y^2} = \frac{32}{63}[/tex]

By cross multiplying, we get:

63 x² = 32 y²

And then by rearranging:

[tex]\frac{x}{y} = \frac{4\sqrt{7} }{9}[/tex]

Now, rationalizing the denominator, we get:

[tex]\frac{x}{y} = \frac{4\sqrt{7} }{9} . \frac{\sqrt{7} }{\sqrt{7} } = \frac{28\sqrt{7} }{63}[/tex]

Thus, a.b.c = 28.7.63 = 11760.

Therefore, the value of the sum $a b c$ is 11760.

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The systems of equation solved by elimination is (2, -6).

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

2x + y = -2

5x + 3y = -8

To eliminate y, we can multiply the first equation by -3 and add it to the second equation:

-6x - 3y = 6

5x + 3y = -8

So, we have

-x = -2

Therefore, x = 2. To find y, we can substitute x = 2 into either equation:

2x + y = -2

2(2) + y = -2

4 + y = -2

y = -6

So the solution to the system is (2, -6).

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Required value of X is 1.

What is equation?

An equation is a that asserts mathematical statement that two expressions are equal. It consists of two sides, the left-hand side and the right-hand side, separated by an equals sign. An equation can contain variables, constants, coefficients, and operators. The goal is to find the value(s) of the variable(s) that make the equation true. Equations are used in many branches of mathematics and in various applications, such as physics, chemistry, engineering, and economics.

To solve for the value of x, we need to isolate x on one side of the equation. We can do this by subtracting 3 from both sides of the equation,

X + 3 - 3 = 4 - 3

Simplifying the left-hand side gives,

X = 1

Therefore, the value of x is 1.

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Correct question is "Answer the question,

X+3 = 4,

What is the value of x?"

After 8 seconds, the total surface area of the disturbed water would be increasing at a rate of 14,347,056 cm².

After 8 seconds, we will have 8 concentric circles on the surface of the water. The radius of each circle will be equal to the product of the speed of the wave (20cm/sec) and the time it has traveled (in this case, 8 seconds). Therefore, the radius of the first circle will be 20cm/sec x 8 sec = 160cm.

To find the total surface area of the disturbed water, we need to calculate the area of each of these circles and add them up. The formula for the area of a circle is A = πr², where r is the radius of the circle.

Using this formula, the area of the first circle would be A = π(160cm)² = 80,256 cm². The area of the second circle would be A = π(2 x 160cm)² = 321,024 cm², and so on for each of the 8 circles.

To find the total surface area, we simply add up the areas of all 8 circles:

A = 80,256 + 321,024 + 721,920 + 1,282,176 + 2,004,096 + 2,887,584 + 3,932,160 + 5,137,920

A = 14,347,056 cm²

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Complete Question:

To a pond of water in complete calm, a stone is thrown that causes the formation of concentric circular waves, each wave moves away from the center at a speed of 20cm / sec with what speed is increasing the total surface of the disturbed water after 8 sec?

The average population between year 1 and year 10 is approximately 55,555 people.

To find the average population between year X and year Y, we need to first calculate the total population increase over that time period. We can do this by subtracting the population in year X from the population in year Y.

Population increase = Population in year Y - Population in year X

Once we have the population increase, we can divide it by the number of years between X and Y to get the average annual population increase.

Average annual population increase = Population increase / (Y - X)

Finally, to find the average population between year X and year Y, we need to add the average annual population increase to the population in year X.

Average population = Population in year X + Average annual population increase

For example, if the population of a city is expected to be 100,000 people after 10 years, and we want to find the average population between year 1 and year 10, we would do the following:

Population in year 1 = X = 50,000 (let's say)
Population in year 10 = Y = 100,000
Population increase = 100,000 - 50,000 = 50,000
Number of years between X and Y = 10 - 1 = 9
Average annual population increase = 50,000 / 9 = 5,555.56 (rounded)
Average population = 50,000 + 5,555.56 = 55,555.56 (rounded)

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The average population of the city between the starting year and 10 years later is estimated to be 625,000.

The average population of a city between two specific years, we will need to use the formula for calculating the arithmetic mean.

The sum of all the values divided by the number of values.

We will need to sum up the populations of the city for each year between the two given years and divide the result by the number of years included.
Let us assume that the population of the city in the year we are starting with is "P1" and the population after "n" years is "P2".

Therefore, the average population can be calculated as:
[tex]Average Population = (P1 + P2) / 2[/tex]
The exact population figures for each year between the two given years, we will have to use an estimated population growth rate to make the calculation.

We can use the formula:
[tex]P2 = P1 \times (1 + r)^n[/tex]
where "r" is the estimated annual growth rate and "n" is the number of years between the two given years.
Let's assume that the population of the city in the starting year is 500,000 and the estimated population after 10 years is 750,000. Using the formula, we can calculate the estimated annual growth rate as:
[tex]r = (P2 / P1)^{(1/n)} - 1   = (750,000 / 500,000)^{(1/10)} - 1   = 0.0473 or 4.73\%[/tex]
The estimated annual growth rate, we can calculate the average population between the two given years using the formula:
[tex]Average Population = (P1 + P2) / 2 = (500,000 + 750,000) / 2 = 625,000[/tex]

It is important to note that this is just an estimate based on the assumed growth rate, and the actual population may vary from this calculation.

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Answer:

it A or B

Step-by-step explanation:

the other two C and D dont make sense to what the question is asking

The Vieth-Müller Circle is an imaginary circle that passes between both retinae and the fixation point.

The Vieth-Müller Circle is an ophthalmology concept that depicts an imaginary circle that passes across the foveas (the primary points of the retinae that are responsible for acute, detailed vision) and the fixation point (the point at which the eyes are directed).

The Vieth-Müller Circle is significant because it helps to explain the phenomenon of binocular vision, which is the ability to perceive depth and three-dimensional space using both eyes together. The circle aids in the definition of the equivalent locations on the two retinae, which are sites that receive visual field information and are critical in combining the images from the two eyes into a single, three-dimensional perception.

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The imaginary circle that passes through both retinae and the fixation point is called the horopter. The horopter is important in visual perception as it represents the set of points in space that stimulate corresponding points on each retina, which is necessary for binocular vision and depth perception.

The Horopter is an imaginary circle that passes through both retinae and the fixation point. In this context:

1. "Imaginary" refers to the fact that the Horopter is a theoretical concept rather than a physical object.
2. "Retinae" are the light-sensitive layers at the back of both eyes, which play a crucial role in processing visual information.
3. "Fixation" is the point where both eyes are focused on a single object in the visual field.

In brief, the Horopter represents a collection of points in the 3D space that are perceived as having the same depth or distance as the fixation point. It helps in understanding binocular vision and depth perception, as points on the Horopter contribute to forming a single, fused image from both eyes.

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The probability of three rooks being placed on a 3x3 chessboard without any of them being able to capture another is about 3.57%.

There are a total of 9 squares on a 3x3 chessboard, and we need to place 3 rooks on these squares. There are 9 choices for the first rook, 8 choices for the second rook, and 7 choices for the third rook.

However, not all of these choices will result in a valid configuration where none of the rooks can capture each other. To be valid, each row and each column must have at most one rook.

Let's consider the number of valid configurations. Without loss of generality, we can assume that the first rook is placed in the first row. There are 3 choices for the column of the first rook. The second rook can be placed in any of the 6 remaining squares, but only 3 of these squares are in rows or columns that do not already have a rook. Finally, the third rook can be placed in any of the 3 remaining squares, but only 2 of these squares are in rows or columns that do not already have a rook.

Therefore, the total number of valid configurations is 3 x 3 x 2 = 18.

The total number of ways to place the rooks is 9 x 8 x 7 = 504.

Therefore, the probability that none of the rooks can capture any of the other two is 18/504 = 1/28, or approximately 0.0357.

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List orders the times from shortest to longest

5 1/3 seconds

5 1/2 seconds

5 5/9 seconds

A decimal is a way of representing numbers using a base-10 positional notation system, where each digit represents a power of 10. It is written as a whole number followed by a decimal point and a series of digits representing fractions of 1.

According to the given information:

To order the times from shortest to longest, we need to convert them into a common format, such as a decimal or a common denominator.

First, let's convert the times to a common denominator of 9:

5 1/3 seconds = 16/3 seconds = 48/9 seconds

5 5/9 seconds = 50/9 seconds

5 1/2 seconds = 9/2 seconds = 45/9 seconds

Now we can order the times from shortest to longest:

48/9 seconds = 5 1/3 seconds

45/9 seconds = 5 1/2 seconds

50/9 seconds = 5 5/9 seconds

Therefore, the correct list in order from shortest to longest is:

5 1/3 seconds

5 1/2 seconds

5 5/9 seconds

So Bernard's first attempt was the shortest, his third attempt was the second longest, and his second attempt was the longest.

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The approximation of √300 to the nearest integer is 17

An integer is a whole number that can be positive or negative or zero. Examples of integers are 0, -5, 10, 15, 1000. e.t.c. Decimal numbers are not integers.

Since the value of √300 can not give a whole number because 300 is not a perfect square. This means that the answer given will not be an integer. Therefore saying that we should approximate to integer means approximation to whole number.

√ 300 = 17.32. Therefore the approximation of the value of √300 to the nearest integer = 17.

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The given expression in the form ax + b will be (B) 1.8x + 4.1.

A finite collection of symbols that are properly created in line with context-dependent criteria is referred to as an expression, sometimes known as a mathematical expression.

An example is the expression x + y, which combines the terms x and y with an addition operator.

In mathematics, there are two different types of expressions: algebraic expressions, which also include variables, and numerical expressions, which solely comprise numbers.

So, we have the expression:

(3.6x-1.4) - (1.8x-5.5)

First, solve it in the form of ax + b as follows:

(3.6x-1.4) - (1.8x-5.5)

3.6x-1.4 - 1.8x+5.5

1.8x + 4.1

So, we have the expression: 1.8x + 4.1

Then, the coefficient and content will be (B) and the correct expression would be 1.8x + 4.1.

Therefore, the given expression in the form ax + b will be (B) 1.8x + 4.1.

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