of 4
Workers in an office of 40 staff were asked their favourite type of take-away.
The results are summarised in the table.
Take-away
Pizza
Curry
Fish & chips
Kebab
Other
What fraction of a person is one degree?
Give your answer in its simplest form.
Frequency
4
4
8
5
19
Angle
a
b
C
d
e

An expression that is equivalent to -56Z +28 can be -23z + 10 - 33z + 18

An expression is simply used to show the relationship between the variables that are provided or the data given regarding an information. In this case, it is vital to note that they have at least two terms which have to be related by through an operator.

Some of the mathematical operations that are illustrated in this case include addition, subtraction, etc.

In this case, an expression that is equivalent to -56Z +28 can be:.

-23z + 10 - 33z + 18

= -23z - 33z + 10 + 18

= -56z + 28

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It take 43 seconds to the object to travel the full length.

Constant rate refers to a fixed rate of change over a specific period of time. It can be used to describe a variety of situations such as the rate of population growth, the rate of inflation, or the rate of decline in a company's profits.

Constant rate can be used to measure a variety of factors in order to track progress or gauge the success of a particular strategy.

This question uses the concept of constant rate.

Constant rate means that the marble is travelling at a constant speed over the entire length of the path.

This means that the time it takes to travel the full length is the same as the time it took to travel a certain portion of the path.

In this case, it took 43 seconds to travel a certain portion of the path, so it will take 43 seconds to travel the full length.

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A graph of the inequality w ≤ 200 is shown in the image attached below.

In this scenario, we would solve the given inequality by making "w" the subject of formula as follows;

w/-10 ≤ -20

By multiplying both sides of the inequality by -10, we have the following:

-10 × w/-10 ≤ -20 × -10

w ≤ 200

Next, we would use an online graphing calculator to plot the inequality as shown in the graph attached below. Additionally, the circle is closed because of the less than or equal to (≤) symbol.

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Answer:

93.312

Step-by-step explanation:

This would be decay so we use the formula [tex]y=a(1-r)^{2}[/tex]

in this case a would equal $1200, r would equal 40% (as a decimal) or 0.4 and x would equal 5

[tex]y=1200(1-0.4)^5[/tex] plug this into your calculator and you will get 93.312

I hope this helps (Lmk if im wrong )

Answer: I believe the solutions your looking for would be x = 0 or x = −8

Step-by-step explanation:

x (x + 8) = 0

Step 1: Simplify both sides of the equation.

x² + 8x = 0

Step 2: Factor left side of equation.

x (x + 8) = 0

Here are factors equal to 0:

x = 0 or x + 8 = 0

x = 0 or x = −8

I hope this helps!

Answer:

Step-by-step explanation:

x inside the () is equal to -8

then that will be ( -8 + 8=0)

the x multiply by 0 is 0

You welcome

A parachutist falls 11 seconds before the parachute opens, so 1936 ft far the parachutist fall during this time.

We have to find how far does the parachutist fall during this time.

The formula for estimating the time in seconds it will take an object to fall d feet is given below.

t = [tex]\sqrt{\frac{d}{16}}[/tex]

We merely need to enter the specified time t into the formula to find the distance answer.

11 = [tex]\sqrt{\frac{d}{16}}[/tex]

taking square on both side, we get

121 = d/16

Multiply by 16 on both side, we get

d = 1936 ft

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The complete question is:

The approximate time t in seconds that it takes an object to fall a distance of d feet is given by

t = [tex]\sqrt{\frac{d}{16}}[/tex]

Suppose a parachutist falls 11 seconds before the parachute opens. How far does the parachutist fall during this time?

The 32 inche flat screen televisions will be 19.35 inches in height based on the angle between diagonal and bottom

The diagonal, bottom and perpendicular forms

right angled triangle. The mentioned angle can be related with diagonal and height through sine function. The formula is expressed as follows -

sin theta = height ÷ diagonal

Keep the values in formula to find the value of height.

sin 35 = h/32

Rewriting the formula for h.

h = sin 35 × 32

Keep the value of sin 35 in the formula

h = 0.57 × 32

Performing multiplication on Right Hand Side of the equation

h = 18.35 inches

Hence, the TV screen is 18.35 inches high.

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A plausible lurking variable that could explain the cause and effect in the headline "Is Gluten the Culprit in Our Fight Against Obesity?" is overall diet.

It's possible that individuals who consume a diet high in gluten also consume a diet high in overall calories and processed foods, leading to weight gain and obesity. This would mean that it is not specifically gluten causing the obesity, but rather a combination of factors in the individual's diet.

A lurking variable is a variable that has a connection (e.g., may be correlated) with the response and the explanatory variable but is neither the explanatory variable nor the response variable.

Although it is not taken into account in the study, it might affect how the variables are related.

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Answer: Let x be the speed of the eastbound train.

Then the speed of the westbound train is x+3 mph.

We can set up the following equation using the distance formula (rate x time = distance)

x*4 = 648/2 + (x+3)*4

Solving for x,

x= 42

So the speed of the eastbound train is 42 mph and the speed of the westbound train is 45 mph.

Step-by-step explanation:

Answer: The inequality one fifth times the difference of m and five is less than or equal to one tenth times the difference of m and twenty can be rewritten as:

(1/5)(m-5) <= (1/10)(m-20)

To find the integers in the set S that will make this inequality false, we need to find the values of m that do not satisfy it. We can start by simplifying the inequality:

(1/5)(m-5) <= (1/10)(m-20)

(1/5)m - (1/5)5 <= (1/10)m - (1/10)20

(1/5)m <= (1/10)m - (1/10)20 + (1/5)5

(1/5)m <= (1/10)m - 2 + (1/5)5

(4/5)m <= (1/5)5 - 2

m <= -5

So, the integers in the set S that do not satisfy the inequality are 20 and 40. These integers will make the inequality false.

Step-by-step explanation:

The expanded form of the given logarithm using the properties of logs is P=log(2)+log(3)+4.log(x).

A base must be raised to a certain exponent or power, or logarithm, in order to produce a specific number.

If bx = n, then x is the logarithm of n to the base b, which is expressed mathematically as x = logb n.

For instance, 23 = 8; hence, 3 is the base-2 logarithm of 8 or 3 = log2 8.

Common logarithms, with a base of 10, binary logarithms, with a base of 2, and natural logarithms, with a base of e 2.71828, are the four most popular varieties of logarithms.

So, we must keep in mind the following characteristics of the logarithms in order to solve the issue:

[tex]\begin{aligned}& \log (x . y)=\log (x)+\log (y) \\& \log \left(x^y\right)=y \cdot \log (x)\end{aligned}[/tex]

Then, the expression we have:

[tex]P=\log \left(6 x^4\right)[/tex]

The factor of 6=2*3:

[tex]P=\log \left(2 \cdot 3 x^4\right)[/tex]

Apply the product's feature:

[tex]P=\log (2)+\log (3)+\log \left(x^4\right)[/tex]

Apply the exponent's property now:

P=log(2)+log(3)+4.log(x)

Therefore, the expanded form of the given logarithm using the properties of logs is P=log(2)+log(3)+4.log(x).

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Correct question:

Expand the logarithm fully using the properties of logs. Express the final answer in

terms of log .

log 6x^4

Party planner 2 charges $15 more per person than party planner 1.

What is linear equation ?

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

Given ,

Melanie is comparing the price of two party planners. Party Planner 1 and Party Planner 2. Party Planner 1 uses the equation, y = 10x + 70,

where x is the number of people attending the party and y is the total cost.

y=15x+75 means that they charge $15 for every person but $75 right away. For planner 2, they charge $20 a person because comparing coordinates 1 and 2,

every 5 people charge $100. So to find the amount per person for planner 2, divide 100 by 5 and you'll get 20, and

since 20 is 5 more than 15. A is true.

Therefore, Party planner 2 charges $15 more per person than party planner 1.

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Answer:

The distance traveled by the car in each second is increasing by 4 cm each time. This is an example of an arithmetic sequence, where the common difference is 4 cm.

To find the total distance traveled by the car in 30 seconds, we can use the formula for the sum of an arithmetic series:

S_n = n/2 * (a_1 + a_n)

where S_n is the sum of the first n terms of the series, a_1 is the first term (4 cm in this case), a_n is the nth term, and n is the number of terms.

Substituting the values into the formula:

S_n = 30/2 * (4 + (4 + (30 - 1) * 4))

S_n = 30/2 * (4 + 4 + 116)

S_n = 30/2 * 124

S_n = 3720 cm

So the total distance travelled by the car in 30 seconds is 3720 cm.

The number of sticks in pattern number n will be 6 + (n-1)(4).

What is a pattern?

A recurring arrangement of numbers, forms, colours, and other elements constitutes a pattern in mathematics. The Pattern can be connected to any kind of occasion or thing. When a group of numbers are arranged in a particular way, the arrangement is referred to as a pattern.

The given diagram states that -

The first figure of the triangle is made using - 6 sticks.

The second figure of the triangle is made using - 6 + 4 sticks.

The third figure of the triangle is made using - 6 + 4 + 4 sticks.

Similarly, the fourth figure of the triangle will be made using - 6 + 4 + 4 + 4 sticks.

So, the pattern followed here is -

First image = 6 + (1-1)(4)

Second image = 6 + (2-1)(4)

Third image = 6 + (3-1)(4)

Fourth image = 6 + (4-1)(4)

So, for pattern n the number of sticks will be -

nth image = 6 + (n-1)(4)

Therefore, the pattern is obtained as 6 + (n-1)(4).

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The individuals in this dataset consented to participate in this study after receiving a request for volunteers. This sampling design may be biased in favor of volunteers, given that every volunteer has recorded responses for each variable.

At any point during the trial—from recruitment to retention to follow-up—volunteer bias may manifest itself. Volunteers and the target community differ not only in terms of sociodemographic characteristics but also in terms of views about the experiment and the institutions involved.

Volunteer bias may also be related to the illnesses or conditions being investigated, as volunteers may be less likely to volunteer for research on illnesses or behaviors that are viewed as less acceptable by society, such as ailments linked to drug usage.

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After being asked for volunteers, the people in this dataset agreed to take part in the study. Given that each volunteer has recorded responses for each variable, this sample design may be skewed in favour of the volunteers.

Volunteer bias may appear at any time during the experiment, from recruitment to retention to follow-up. The target community and volunteers have different sociodemographic features, as well as different perspectives on the experiment and the participating institutions.

As volunteers may be less likely to volunteer for research on illnesses or behaviours that are perceived as less acceptable by society, such as conditions associated to drug use, bias may also be related to the illnesses or conditions being examined.

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Point P cannot be located on either the x-axis or y-axis, as neither a nor b is 0.

The coordinate system's two axes, the x-axis and the y-axis, constitute a region called a quadrant.

If both a and b have the same sign, point P could be located in one of the four quadrants:

For First quadrant (a > 0, b > 0)

For Second quadrant (a < 0, b > 0)

For Third quadrant (a < 0, b < 0)

For Fourth quadrant (a > 0, b < 0)

Hence, Point P cannot be located on either the x-axis or y-axis, as neither a nor b is 0.

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In interval notation,  the interval of continuity of f(x) is (-∞, 2) ∪ (5, +∞)

A function is said to be continuous in an interval if all the values in the interval satisfy the function.

Since we have the function (x² - 4)/(x² - 7x + 10), we desire to find the interval in which it is continuous. So, we proceed as follows.

For the function f(x) = (x² - 4)/(x² - 7x + 10) to be continuous, then the denominator (x² - 7x + 10) ≠ 0

So, solving this inequality, we have

x² - 7x + 10 ≠ 0

x² - 2x - 5x + 10 ≠ 0

Factorizing, we have that

x(x - 2) - 5(x - 2) ≠ 0

(x - 2)(x - 5) ≠ 0

x - 2 ≠ 0or x - 5 ≠ 0

x ≠ 2 or x ≠ 5

Also, since the coefficient of x² is positive the function f(x) tends to ±∞.

So, the interval of continuity of f(x) is 2 < x and x > 5

So, the interval of continuity of f(x) is (-∞, 2) ∪ (5, +∞)

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Answer:

yes ✔‍♀️

Step-by-step explanation:

just flip it over and dividend by 1.2

Answer:

x = 20

Step-by-step explanation:

Because these are alternate interior angles, 2x+20 and 3x are equivalent to each other. Therefore, we can set up this equation:

2x+20 = 3x

Now, we can solve this equation and find x:

20 = 3x-2x

x = 20

These provided angle measures (3x and 2x + 20) are a pair of alternate interior angles because they satisfy the following required conditions:

Since the two angles ARE alternate interior angles, they are EQUAL! Therefore, we can equate the two angles and solve for the variable (x).

{2x + 20 is equal to 3x} ⇒ 2x + 20 = 3x

The key step in solving the linear equation is to ISOLATE the variable completely by removing the coefficient until you have 1 as the coefficient.  

There are 4 possible ways to isolate the variable:

Once your variable is completely isolated, simplify (if possible) on the other side of the equation. If the opposite side of the variable is simplified, you can conclude your solution for the linear equation.

Now, let us solve the equation using the above step by step processes.

Isolating the variable from the constant(s) on the R.H.S:  

Simplify both sides of the equation:

Therefore, the solution to the linear equation (x) is 20.

__________________________________________________________

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The population of rabbits in the Butler County, where the starting rabbit population of 6,004 increases by 8% per year in 10 years is about 13,362 rabbits

A population is the set that comprises of all individuals or items that share a common specified characteristics.

The current population of the rabbit = 6,004

The rate at which the population is increasing per year = 8%

The number of rabbits in 10 years is found using the formula for population growth as follows;

P = P₀ × e^(r·t))

Where;

P = The population or number after the time t

P₀ = The initial or starting population = 6,004 rabbits

r = The percentage growth rate = 8%

t = The time of growth = 10 years

e = Euler number

Therefore;

P₁₀ = 6,004 × e^(0.08 × 10) ≈ 13362

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If the average rate of inflation over the last hundred years was 3.22%, the amount of money one hundred years ago would be equivalent to a million dollars today is approximately 968,805 dollars.

If the average rate of inflation over the last hundred years was 3.22%, we have to determine the amount of money one hundred years ago would be equivalent to a million dollars today.

We know that formula of inflation is:

inflation = (FP−IP)/IP × 100

where, IP stands for the initial basket price or price index.

FP stands for the basket's final price or the price index.

From the question, inflation = 3.22%, FP = 1,000,000

Now putting the values in the formula

3.22 = (1,000,000 - IP)/IP  × 100

Divide by 100 on both side, we get

0.0322 = (1,000,000 - IP)/IP

Multiply by IP on both side, we get

0.0322IP = 1,000,000 - IP

Add IP on both side, we get

1.0322IP = 1,000,000

Divide by 1.0322 on both side, we get

IP = 968,804.5

IP = 968,805(approx)

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Answer:

itll take 8 pounds for both DHL and MPS to cost the same

Step-by-step explanation:

since DHL charges $4 for the first pound and $0.22 for each additional pound, and MPS charges $12 for the first pound and $0.12 for each additional pound, we can write that as 4 + 0.22x = 12 + 0.12x, with the left side representing DHL and the right representing MPS.

If this equation is solved, you will find out that x = 8, which is the number of pounds that DHL and MPS will cost the same at. Therefore, they will charge the same amount for 8 pounds.

The length of Nigel's bedroom is 11 feet while the width is 9 feet

An equation is an expression that shows the relationship between numbers and variables.

For Colleen room:

length = 8 ft, width = 12 ft

Perimeter = 2(length + width)

substituting:

Perimeter = 2(8 + 12) = 2(20)

Perimeter = 40 feet

For Nigel room:

length = l ft, width = 3/4 times that of Colleen = (3/4)(12) = 9 feet

Perimeter = 2(length + width)

But Colleen and Nigel room has same perimeter

substituting:

40 = 2(l + 9)

l + 9 = 20

l = 11 feet

The length is 11 feet.

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The coordinates after a dilation of scale factor k = 4 are (-16, 48)

If we have a general point (x, y), and we apply a dilation of scale factor k and the center of dilation is the origin, then the coordinates of the image after the dilation are (k*x, k*y)

Here we start with the point (-4, 12), and we apply a dilation of scale factor 4 and the center is the origin, then the coordinates  of the image are::

(-4*4, 12*4) = (-16, 48)

The coordinates after the dilation are (-16, 48).

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Answer:

D

Step-by-step explanation:

Answer:

Jude: y = 5x

Ian: y = 45 - 10x

Step-by-step explanation:

Jude:

y = 5x

Ian:

y = 45 - 10x

In a case whhereby container built for transatlantic shipping is constructed in the shape of a right rectangular prism and Its dimensions are 15 ft by 5 ft by 10 ft the total weight of the contents is 68 pounds.

The concept that will be usd here is rectangular prism.

Then to calculate the volume of a rectangular prism, we will need to to make the multiplication with 3 dimensions:( length×width×height).

the dimensions of the container built are 7.5 ft by 11.5 ft by 3 ft.

the container is entirely full and, on average, its contents weigh 0.15 pounds per cubic foot.

So, the volume of the container is calculated as:

The dimensions of the container built are 15 ft by 5 ft by 10 ft. since the container is entirely full , considering the average, its contents weigh  0.09 pounds per cubic foot.

we can calculate the volume of the container  as:15 ft * 5 ft * 10 ft= 750ft^3

Then, the total weight of the contents  can be found as :

750 ft³×   0.09 pounds per cubic foot= 67.5 pounds = 68 pounds.

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Assuming the interest is compounded monthly, the interest rate that would be required in order for Joshua to end up with $1,500 is 2.26%.

Mathematically, compound interest can be calculated by using this formula:

A(t) = P(1 + r/n)^{nt}

Where:

Substituting the given parameters into the compound interest formula, we have;

1,500 = 1,000(1 + r/12)^{12 × 18}

1.5 = (1 + r/12)^{216}

Taking the 216th root of both sides of the equation, we have:

1.00187891623 = 1 + 0.083333333r

0.083333333r = 1.00187891623 - 1

0.083333333r = 0.00187891623

r = 0.00187891623/0.083333333

r = 2.26

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Answer:

the interest rate that would be required in order for Joshua to end up with $1,500 is 2.26%.

Step-by-step explanation: