Hi ! Please help, this came up as one of my questions and I don’t know how to do it well. Thanks!

[tex] = \sqrt{( {x2 - x1})^{2} + ( {y2 - y1})^{2} } \\ = \sqrt{ (- 1 - 6 )^{2} + ( {14 - 16)}^{2} } \\ = \sqrt{( { - 7)}^{2} + ( { - 2)}^{2} } \\ = \sqrt{49 + 4} \\ = \sqrt{53} [/tex]

ATTACHED IS THE SOLUTION

a) A circle graph inaccurately displays the data because the data is not about parts of a whole.

b) Line graph would best display the data.

A circle is divided into sectors that each represent a component of a whole to create a circle graph, which is a visual representation of data.

An individual data point is connected by a line in a line graph, sometimes referred to as a line plot or a line chart. A line graph shows numerical values over a predetermined period of time.

a) Since circle graphs are designed to depict data consisting of parts of a whole, a data set consisting of temperature variations over the course of a week would be wrongly displayed by one.

b) Since line graphs are the most appropriate for a data set that is tied to time, a line graph would be the most effective way to display the given data.

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The diagram attached below shows the rectangles with the following:

a. Perimeter = 30 cm; b. Perimeter = 30 cm

c. Length = 8 cm; Width = 4 cm

Length = 10 cm; Width = 2 cm

Length = 7 cm; Width = 5 cm

A rectangle is a four sided shape that has two opposite sides that are parallel and equal to each other.

The perimeter of a rectangle is the sum total of all the four sides of the rectangle and can be calculated using the formula:

Perimeter of a rectangle =2(length + width).

3. a. The diagram of the rectangle that has the following parameters is shown as rectangle 1 in the image attached below, where:

Length of rectangle = 10 cm

Width of rectangle = 5 cm

Perimeter of rectangle 1 = 2(10 + 5) = 30 cm

b. Rectangle 2 in the diagram shows the parameters given:

Length of rectangle = 20 cm

Width of rectangle = 10 cm

Perimeter of rectangle 2 = 2(20 + 10) = 60 cm

c. Rectangles 3, 4 and 5 shows the different measures a rectangle with a perimeter of 24 cm can be:

Rectangle 3: Length = 8 cm; Width = 4 cm

Rectangle 4: Length = 10 cm; Width = 2 cm

Rectangle 4: Length = 7 cm; Width = 5 cm

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The percentage profit on the cost of the skirt is 11.1%

Here, the cost of gloves is £4

And the profit on gloves is 100% which will be equal to 4

The selling price of gloves will be = 8

As given in the question,

The total selling price of both items is £48

So, the selling price of a skirt will be = 48-8

= 40

Now, let the Total Cost of both items be x

Then, x*120÷5= 48

On solving the equation we get the x= 40

So, the cost price of the skirt will be = 40 - 4 = 36

Profit percentage of the skirt =( Selling price - cost price÷ cost price)*100

= (40-36÷ 36)*100

=(4÷ 36)*100

= 11.1℅

Hence, the profit percentage on the skirt will be 11.1℅

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There are 6 customers in the barber shop on an average.

What is average in ?

As per the Little's law, the average number of costumers or individuals in a system (L) can be calculated by multiplying the average arrival rate (λ) and the average time each customer spends in the system (W).

The algebraic expression, is as follows:

L = λW

Here,

L=inventory or average number of customers in the system.

λ=arrival rate = 10

W=flow time average customer spends in the system = 0.6

L = 0.6 * 10 = 6

Thus, there are 6 customers in the barber shop on an average.

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The x and y intercepts are (7/5, 0) and (0, -7/2) respectively.

Given equation is 5x-2y = 7.

To find the x-intercept substitute y = 0 in the equation and then solve,

5x - 0 = 7

x = 7/5

So the x-intercept is (7/5, 0).

Similarly, to find the y-intercept substitute x = 0 in the equation and then solve,

0 - 2y = 7

y = -7/2

So the y-intercept is (0, -7/2).

Now, graph the intersections of (7/5, 0) and (0, -7/2).

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Answer:

i think n = 7 idrk

Step-by-step explanation:

gl

Answer:

The third side is 4cm

Step-by-step explanation:

[tex] {3}^{2} + {a}^{2} = {5}^{2} [/tex]

a=25-9

a=16

a=4

Answer:

-8

Step-by-step explanation:

[tex]\frac{-6-0}{-9-h} = 6\\6(-9-h)=-6\\-9-h=-1\\-h=8\\h=-8[/tex]

Initial temperature T₀ = 13°c

second Temperature T₁= 10°c

Change in Temperature  T₂ =  T₀ - T₁   = 13°c - 10°c   = 3°c

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The relation that is a function from the given option is Graph A.

In mathematics, a relation is a group of ordered pairs that expresses the relationship between two sets.

Function contains both domain and codomain which are also known as dependent and independent variables

For the relation to be a function, two or more of the coordinates must not lie on the same line.

From the given graphs, the relation that is a function is Graph A since two points does not lie on the same vertical line.

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The display to represent the data of the number of employees based on job classification is A. Bar chart; because job classification is categorical.

Categorical data refers to the data types that can be grouped instead of calculated numerically.

Some examples of categorical data include sex, age group, educational level, job classification, and racial categories.

Bar charts and histograms are handy for representing categorical data because they use rectangular bars with heights or lengths to represent proportional values.

Thus, the correct display for the categorical data of job classification is Option A.

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Answer:

A

Step-by-step explanation:

Bar Chart

Answer:

Step-by-step explanation:

5(y + 1) = 5

Divide both sides by 5

=> 5(y + 1)/5 = 5/5

=> y + 1 = 1   [ 5 in numerator and 5 in denominator cancel]

Subtract 1 from both sides

y + 1 -1 = 1 - 1

y + 0 = 0

=> y = 0

After solving percent equation ,the number of red pins from the set of red and yellow pins that Pam ordered is 910 red pins out of 1000 pins.

Eventually, we'll run into a problem that requires us to calculate a percentage of something. The percent equation is the formula we'll employ and it goes like this: part = percent x whole.

The symbol for percent (%) denotes a percentage of one hundred.

You'll need to convert between a percent and a decimal to express these numbers, so let's take a moment to go over that. When you see a percentage, it means 40 out of 100, or 40/100, and that is our fraction. When you divide 40 by 100, you get the decimal 0.40. Remember that 0.40 is the same as 40/100, which means 40%, when converting a decimal to a percent.

Pam ordered a set of red and yellow pins. She received 1,000 pins, and 91% of them were red, so the amount of red pins is

red pins = 91/100  ×  1000

red pins = 910

Thus, the number of red pins from the set of red and yellow pins that Pam ordered is 910 red pins out of 1000 pins

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If you just want to conduct a flyby and aren't planning to stay, it will take you approximately 600 days, and if you want to enter orbit, it will take you about 2,000 days.

Astronomical distances are expressed in terms of a light-year, which is also spelt light year. Its length is approximately 9.46 trillion kilometers, or 5.88 trillion miles.

NASA's Pioneer 10 was the first spacecraft to ever travel across the distance between the Earth and Jupiter. On March 3, 1972, it was launched, and on December 3, 1973, it arrived. There were 640 days of flight time altogether.

However, Pioneer 10 was passing by while en route to study the outer solar system. Before NASA lost communication with it, the spacecraft traveled another 11 years into deep space after approaching the planet at a distance of 130,000 kilometers, where it snapped the first-ever close-up images of Jupiter.

Pioneer 11 launched and touched down one year later. It traveled there in 606 days, flying by Jupiter at a considerably closer distance (21,000 kilometers), and also stopped by Saturn.

The Voyager spacecraft arrived next. Voyager 1 arrived on March 5, 1979, in only 546 days, and Voyager 2 took 688 days.

Consequently, it will take between 550 and 650 days to complete a flyby.

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b. Division property of equality justifies going from the first statement: 5x = 20 to the second statement: x = 4.

Division property is a type of property of equality that states that if both sides of an equation are divided by the same number except 0, then that equation will remain true.

This property can be proved for the given statements as follows;

5x = 20

According to the division property of equality, we divide both sides by the same number which in this case is 5. Therefore;

5x = 20

5x/5 = 20/5

x = 4

As x = 4 is the second statement, therefore property of equality that justifies going from the first to the second statement is the division property of equality.

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∠FED and ∠DEW are complementary because it is a sum of 90 degrees.

By the law of addition of complementary angles,m∠FED + m∠DEW = 90°

m∠FED + m∠DEW = m∠FEW by the Angle addition postulate.

By the substitution property of equality, m∠FEW = 90°.

The ∠FEW is a right angle by the definition of right angles.

Complementary Angles defined as angles that sum up to 90 degrees.

Now, we are given that;

∠FED and ∠DEW are complementary.

We want to prove that ∠FEW is a right angle. Thus;

∠FED and ∠DEW are complementary because it is a sum of 90 degrees.

By the law of addition of complementary angles, we can say that;

m∠FED + m∠DEW = 90°

Also,

m∠FED + m∠DEW = m∠FEW by the Angle addition postulate.

By the substitution property of equality, m∠FEW = 90°.

The ∠FEW is a right angle by the definition of right angles.

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The number of adult tickets sold is 920 , and the number of child tickets sold is 500 .

In the question ,

it is given that

ticket cost for adult = $40

ticket cost for children = $10

and the number of total tickets sold is 1420

let the number of adult tickets sold = x

and the number of children ticket sold = y

According to the question

total tickets sold = number of adult tickets sold+ number of children ticket sold

Substituting the values, we get

x+y = 1420

y = 1420 - x   ...(i)

the total receipts for adult tickets= $40x

the total receipts for children tickets= $10y

given that total amount of tickets sold = $41800

According to the question

40x + 10y = 41800

Substituting the value of y from equation(i) , we get

40x + 10(1420-x) = 41800

40x + 14200 - 10x = 41800

30x + 14200 = 41800

30x = 27600

x = 920

and y = 1420 - 920

y = 500

Therefore , the number of adult tickets sold is 920, and the number of child tickets sold is 500 .

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Answer:

3√2

Step-by-step explanation:

We have an isoceles right triangle, so the length of the hypotenuse is √2 the length of each leg.

[tex]y \sqrt{2} = 6[/tex]

[tex]y = \frac{6}{ \sqrt{2} } ( \frac{ \sqrt{2} }{ \sqrt{2} } ) = \frac{6 \sqrt{2} }{2} = 3 \sqrt{2} [/tex]

According to the associative property of multiplication, the expression to find the cost will be (1.2 × 25) × 4 based on the property and the value is $120.

It should be noted that the associative property of multiplication simply means that when multiplying three numbers, the answer will be the same regardless of how the numbers are grouped.

In this case, Sanjay bought 4 packages of bottled water and a package contains 25 bottles of water that cost $1.20 each.

From the information, the expression is illustrated as 4 x (25 x 1.2). It should be noted that this can also be written as (1.2 × 25) × 4 based on the property and the answer will be $120.

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Answer:

1st- x=140°

2nd-x=90°

Step-by-step explanation:

The interior angle of a 9 -sided polygon is 140x9=1260

divide by 9

The interior angles of a triangle always add up to 180

90°each

Answer:

Step-by-step explanation:

x=0.83

Answer: 310

Step-by-step explanation:

(190/38) x 100 = 500 total students

500-190 = 310 students

The description which represents the roots is Four real roots and no non-real roots.

A function is a statement, rule, or law that establishes the connection between two variables. In mathematics, functions are everywhere and are necessary for constructing physical connections.

The graph is given below;

The function can be written as;

f(x) = [tex]x^4[/tex] - 3x² - 4

Then the values of x for which the value of the function is zero will be;

f(x) = 0

f(x) = [tex]x^4[/tex] - 3x² - 4 = 0

Then the function will be f(x) = [tex]x^4[/tex] - 3x² - 4. Then Four real roots and no non-real roots.

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The maximum profit which this company can expect to earn is $11,650.

The maximum value of a function can be defined as a point on the graph where the function reaches its highest point. This ultimately implies that, the maximum value of a function simply refers to its vertex on a graph.

In order to determine the maximum profit which this company can expect to earn, we would differentiate the given function as follows:

f(x) = y = -10x² + 700x - 600

y' = -20x + 700

-20x + 700 = 0

20x = 700

x = 700/20

x = 35.

Substituting the parameter into the formula, we have;

f(x) = -10x² + 700x - 600

f(35) = -10(35)² + 700(35) - 600

f(35) = -12250 + 24,500 - 600

f(35) = $11,650.

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Answer: 5/3

Step-by-step explanation:

[tex]\displaystyle\\1\frac{2}{3}=\\\\\frac{1*3+2}{3}=\\\\\frac{3+2}{3} =\\\\\frac{5}{3}[/tex]

The interquartile range of the number of jumps of the 10 students during the competition is 38.

The interquartile range is the difference between the third quartile and the first quartile. The interquartile range is used to determine the variation of a data set.

Th first step is to determine the median of the first half of the dataset. The median of the first half is the first quartile.

First half of the data set: 30, 36, 38, 45, 57

Median = first quartile =  38

The next step is to determine the median of the second half of the dataset. The median of the second half is the third quartile.

Second half of the data set: 60, 77, 86, 88, 88

Median : third quartile =  86

Interquartile range = third quartile - first quartile

86 - 38 = 48

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Answer:

k = - 5

Step-by-step explanation:

calculate the slope between the 2 points using the slope formula and equate to 9

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (0, k ) and (x₂, y₂ ) = (1, 4 )

m = [tex]\frac{4-k}{1-0}[/tex] = [tex]\frac{4-k}{1}[/tex] = 4 - k

then equating to 9

4 - k = 9 ( subtract 4 from both sides )

- k = 5 ( multiply both sides by - 1 )

k = - 5

Answer:

Hii! This is already written in slope intercept form.

For a refresher, slope intercept form is [tex]y=mx+b[/tex]

[tex]y[/tex] = y-coordinate

[tex]m[/tex] = slope

[tex]x[/tex] = x-coordinate

[tex]b[/tex] = y-intercept

In this equation,

[tex]m[/tex] is [tex]-1/2[/tex]

[tex]b[/tex] is [tex]-5[/tex]

Hope this answers your questions.