Here is some information about 120 people who visit a shop.
3
of the people buy neither a coat nor a dress.
4
19 people buy a coat.
14 people buy a dress.
Complete this Venn diagram to represent the information.
६
- 120 people who visit the shop
C=people who buy a coat
D= people who buy a dress
[3 marks]

Answer:

18mm

Step-by-step explanation:

A^2+B^2=C^2.

144+169=313

square root of 313=17.69≈18mm

Randy's claim is not correct Therefore, he cannot purchase 3.5 pounds of chicken salad for $23.50

To determine if Randy's claim is correct, we can use the given linear graph and points to find the equation of the line that represents the relationship between the amount of chicken salad purchased and the cost.

We can use the two points (1, 7.5) and (3, 22.5) to find the slope of the line:

slope = (change in y) / (change in x)

slope = (22.5 - 7.5) / (3 - 1)

slope = 15 / 2

slope = 7.5

Now we can use the slope-intercept form of the equation of a line, y = mx + b, where m is the slope and b is the y-intercept, to find the equation of the line:

y = 7.5x + b

To find b, we can use one of the points on the line, such as (1, 7.5):

7.5 = 7.5(1) + b

b = 0

So the equation of the line is:

y = 7.5x

Now we can use this equation to check if Randy's claim is correct. If he can purchase 3.5 pounds of chicken salad for $23.50, we can plug in x = 3.5 and see if y = 23.5:

y = 7.5x

y = 7.5(3.5)

y = 26.25

Since y = 26.25 is not equal to $23.50

Therefore, Randy's claim is not correct

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The given question is incomplete, the complete question is:

Randy claims that he can purchase 3. 5 pounds of chicken salad for $23. 50. Is he correct? Explain.

To reach the goal he student council needs to sell a minimum number of 107 tickets.

Sell means to gave someone something we take money from him. It is a transaction in which product is exchange with product or money. In ancient time we use barter system for transaction.

For raising $400 the student council have to sold each ticket at $4. So the number of ticket sold = $400 / $4 = 100.

They also spent $25 on decorations, so they need to recover that cost too. So, they need to sell an additional tickets = $25 / $4 = 6.25

Since we can not sell 0.25 of a ticket, So we can round the answer to 7.

So that overall total number of tickets that must be sold as 107.

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Complete question:

The student council at Deer Creek Middle School is organizing a dance to raise money for their end-of-year trip. They want to raise at least $400. Tickets are priced at $4 each and they already spent $25 on decorations. What is the minimum number of tickets they have to sell to reach their goal?

Here is the stem and leaf plot :

0    8, 9

1      1, 3, 4, 7, 7, 8, 9

2      0, 2, 3 5

A stem-and-leaf plot is a table that is similar to a histogram. A stem-and-leaf plot divides a number into a stem and a leaf.

The stem is the first number in the digit. In this question, the stem is the tens value.  While the leaf is the last number. In this question, it is the units digit. For example in the number 20, 2 would be the stem and 0 would be the leaf. All the numbers that have the same stem would occupy the same row.

An advantage of a stem and leaf plot is that it is easy to create while a disadvantage is that it can be tedious when the dataset is large.

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(x + 2)2 + (y - 4)2 - 11 = 0

The equation of the circle in standard form is x2 + y2 + 36x - 72y + 11 = 0. To arrive at this answer, you need to complete the square for both the x and y terms in the equation. First, divide the equation by 9 to get the following:

x2 + y2 + 4x - 8y + 1 = 0

To complete the square for the x terms, add and subtract (4/2)2 = 16/4 = 4 to the equation:

x2 + 4 + y2 + 4x - 8y + 1 - 4 = -4

Simplifying gives you:

(x + 2)2 + y2 - 8y + 5 = 0

To complete the square for the y terms, add and subtract (8/2)2 = 64/4 = 16 to the equation:

(x + 2)2 + (y - 4)2 + 5 - 16 = -11

Simplifying gives you:

(x + 2)2 + (y - 4)2 - 11 = 0

This is the equation in standard form.

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Using the dimensional analysis, 9 tsp is equivalent to 3 tbsp.

A conversion factor is a numerical ratio that relates two units of measurement for the same quantity

To convert 9 tsp to tablespoons using dimensional analysis, we can use the conversion factor that 1 tablespoon is equal to 3 teaspoons. We can set up the following proportion

1 tablespoon / 3 teaspoons = x tablespoons / 9 teaspoons

where x is the number of tablespoons we want to find. To solve for x, we can cross-multiply and simplify:

1 tablespoon × 9 teaspoons = 3 teaspoons × x tablespoons

9 tablespoons = 3x

x = 9 tablespoons / 3

x = 3 tablespoons

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Answer:

y = (1/x)+2.05

Step-by-step explanation:

We are only given one point, so there are an infinite number of possible equations.  But forging ahead, we can come up with at least one equation of an inverse relationship containing the point (-20,2).

By inversely, the function will produce lower values of y as x increases, or vice versa.  A good first step is to say:

 y = 1/x

As the value of x increases, the value of y decreases.  Invere accomplished.

Simple, elegant, and inverse.  If it were a person, she'd be on the cover of People Magazine.

But we want any equation to include the point (-20,2).

Let's see if we can move y=1/x to include (-20,2)

y=(1/x) + b

2 = (1/(-20)) + b

2 = -(0.05) + b

b = 2.05

The equation y = (1/x)+2.05 is an inverse equation that includes point (-20,2).

See the attached graph.  Note that when x = 0, the expression (1/x) becomes (1/0).  Division by zero is not allowed (undefined).  Use caution if in the neighborhood.

The proposed maximum wait time should be 24.2 minutes so that 1% of the customers receive a free meal.

To answer the vice president's request, the proposed maximum wait time should be 24.2 minutes so that 1% of the customers receive a free meal. This can be seen in the graph below, which illustrates the normal distribution of customer wait times with a mean of 20 minutes and a standard deviation of 4 minutes. In this graph, the area of the curve between 0 and 24.2 minutes represents the customers who will receive a free meal, and the area to the right of 24.2 minutes represents the customers who will not receive a free meal.

The normal distribution is a common probability distribution which follows a symmetric, bell-shaped curve. It is often used to describe real-world phenomena such as customer wait times in restaurants, since it is an effective tool for modeling variation in large datasets. The normal distribution can be determined by two parameters: the mean and the standard deviation. The mean represents the average wait time, while the standard deviation describes how the wait times vary.

In this case, the normal distribution has a mean of 20 minutes and a standard deviation of 4 minutes. This means that the average wait time is 20 minutes and that the wait times may vary by up to 4 minutes. The area of the graph between 0 and 24.2 minutes can be seen as the customers who will receive a free meal, as these customers waited longer than the advertised maximum wait time. The area of the graph to the right of 24.2 minutes represents the customers who will not receive a free meal, as these customers did not wait longer than the advertised maximum wait time.

By proposing a maximum wait time of 24.2 minutes, the company will not be losing out on any profit. This is because only 1% of customers will be receiving a free meal, and the cost of this will be more than offset by the increased customer satisfaction due to faster service.

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Point G has the coordinates  (-2.5, 5.5), so a correct option is an option (C).

What is a coordinate plane?

The study of geometry using coordinate points is known as coordinate geometry (also known as analytical geometry). It is possible to determine the separation between two points, divide a line into m:n segments, locate a line's midpoint, determine the area of a triangle in the Cartesian plane, and perform other operations using coordinate geometry.

A coordinate plane is a plane in which a set of two number lines are represented, the horizontal line is called the x-axis and the vertical line is called the y-axis.

The given coordinates are (-2.5, 5.5).

The graphical representation of the points is shown below.

Point G has the coordinates (-2.5, 5.5).

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Answer:

B.   51 in²

Step-by-step explanation:

The area of a sector which has a central angle of θ degrees is given by
Area of circle x θ/360

where
area of circle = πr² with r being the radius

So area of sector = πr² x θ/360

here r = 14 in and θ=30°

Area of sector
= π x 14² x 30/360

= 51.31268 in²

≈ 51 in²

Option B

The answer is 4.4753, i.e. the critical value of the statistic upto four decimal places.

Null hypothesis (H0): σ21 = σ22

Alternative hypothesis (H1): σ21 > σ22

Round your answer(s) to four decimal places.

Critical value = 4.4753

Test statistic = 34.66/6.3 = 5.5

The test statistic (5.5) is greater than the critical value (4.4753), so we reject the null hypothesis and accept the alternative hypothesis.

We conclude that the variance in performance from the sixth grade class is greater than the variance in performance from the seventh grade class at a 0.1 level of significance.

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The critical value for the confidence interval will be 2.33 with a confidence inetrval of 0.05 ± 0.00308

Here we see that the probability to find a bulb from the sample broken is

p = 25/500

= 0.05

Now, we need to build a 98% confidence interval so we will get the critical value to be

(1 - confidence interval)/2

= (1 - 0.98)/2

= 0.02/2

= 0.01

Looking up the value for 0.01 in the standard normal table we the critical value to be

2.33

Now the confidence interval will be

p ± critical value X √[p(1 - p)/n]

= 0.05 ± 0.01√[(0.5 X 0.95)/500]

= 0.05 ± 0.00308

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Step-by-step explanation:

Use the triangle bisector theorem:

"The angle bisector of a triangle divides the opposite side into two parts proportional to the other two sides of the triangle."

so 12 is to 16  as   x is to 20

12/ 16 = x/20

20 * 12/16 = x = 15 units

Answer:

x = 15

Step-by-step explanation:

the segment inside the triangle is an angle bisector and divides the side opposite the angle into segments that are proportional to the other two sides , that is

[tex]\frac{12}{16}[/tex] = [tex]\frac{x}{20}[/tex] ( cross- multiply )

16x = 12 × 20 = 240 ( divide both sides by 16 )

x = 15

1.) Yes, it will fit because the volume of the baseball is 13.36 cubic inches and the volume of the box is 64 cubic inches which is greater than the volume of the baseball.

2) The ratio of the side length of box B to the side length of box A is 1.472 inches: 6 inches.

The space around a circle is known as its circumference. By calculating the distance required to walk around the globe, we may determine the size of the earth's circumference.

To check whether the baseball is will still fit in the box we will check the maximum value of circumference.

[tex]2\pi r = 9.25[/tex]

Make r the subject formula

r= 1.472 inches

Volume of the baseball = [tex]\frac{4}{3\pi x^3}[/tex]

Expand:

13.35 inches^3 < 64 inches^3

So, it will fit inside the box.

2.) [tex]\sqrt[3]{216} = 6[/tex]

Therefore, V = a^3

The length of each side of the box is 6 inches.

The ratio of the side length of box B to the side length of box

A:

1.472 in : 6 inches

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The workman's hourly rate of pay for a 40-hours week is 380.

Hourly rate of pay = Total pay ÷ Total hours worked

Hourly rate of pay = 15, 200 ÷ 40 = 380

Therefore, the workman is paid 380 per hour for a 40-hours week. To calculate the hourly rate of pay, the total pay is divided by the total hours worked. In this case, the total pay is 15, 200 and the total hours worked is 40, so when we divide 15, 200 by 40, we get 380. This is the hourly rate of pay for the workman for the 40-hours week.

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Answer:

Ratio of 2/5 can be added like 2+5=7

And then

154÷7=22

22×2=44

22×5=110

They lost 110 games

Polynomial multiplication is the process of multiplying two polynomials together to get a new polynomial that represents the product of the two original polynomials.

It should be noted that to multiply two polynomials, you need to perform a distributive operation. You take each term of the first polynomial and multiply it by each term of the second polynomial. Then, you add all the resulting terms together to get the final polynomial.

For example, let's say you want to multiply the polynomials (x + 2) and (x - 3).

First, you multiply the x term in the first polynomial by the x term in the second polynomial:

(x) * (x) = x²

Next, you multiply the x term in the first polynomial by the -3 term in the second polynomial:

(x) * (-3) = -3x

Then, you multiply the 2 term in the first polynomial by the x term in the second polynomial:

(2) * (x) = 2x

Finally, you multiply the 2 term in the first polynomial by the -3 term in the second polynomial:

(2) * (-3) = -6

Now, you add up all the resulting terms to get the final polynomial:

x² - x - 6

Therefore, the product of (x + 2) and (x - 3) is x² - x - 6.

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Answer: -2x(x-5)(x+4)

Step-by-step explanation:

Answer:

Step-by-step explanation:

add it up and then multiply and then you divide and you got the answer so may i please have brinliest. sir

so its x27

Step-by-step explanation:

Im not at a great place to answer them all, but hope this helps on answering them

So the first is 5/2. When you found that, you essentially found the 2 other sides of the "triangle".

You can use Pythagoras to find the length of PQ.

[tex] {2}^{2} + {5}^{2} = {x}^{2} [/tex]

[tex]4 + 25 = 29[/tex]

[tex] \sqrt{29} = x[/tex]

You can either keep it like that, or use a calculator to find that value. im not sure how the system accepts it. you'll do that for each one

The value of x is 30 degrees.

A right-angled triangle is a type of triangle that has one angle that measures exactly 90 degrees (a right angle). This angle is formed by the intersection of the two sides of the triangle that are perpendicular to each other, which are called the legs or the adjacent and opposite sides. The side opposite the right angle is called the hypotenuse, and it is always the longest side in the triangle. The other two sides are usually labeled as a and b, and are called the legs or the adjacent and opposite sides depending on which angle is being considered. The Pythagorean theorem, which states that the sum of the squares of the two legs of a right triangle is equal to the square of the hypotenuse, is one of the fundamental properties of right-angled triangles. Right-angled triangles have numerous practical applications in geometry, trigonometry, physics, and engineering.

We can use the trigonometric ratio of sine to find the angle x.

sin(x) = opposite/hypotenuse = PQ/PR = 48/96 = 1/2

Taking the inverse sine of both sides, we get:

x = sin^(-1)(1/2)

Using a calculator, we get:

x ≈ 30 degrees

Therefore, the value of x is 30 degrees.

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Answer:

43

Step-by-step explanation:

We can simplify the expression:

[tex]4^2 + 3^3[/tex]

by rewriting exponents as multiplication of their base.

[tex]4^2 + 3^3[/tex]

[tex]= (4\cdot 4) + (3\cdot 3 \cdot 3)[/tex]

Then, we can simplify using the order of operations (PEMDAS).

[tex](4\cdot 4) + (3\cdot 3 \cdot 3)[/tex]

[tex]= 16 + (9 \cdot 3)[/tex]

[tex]= 16 + 27[/tex]

[tex]\boxed{= 43}[/tex]

The coordinates of the fourth vertex of the parallelogram are given as follows:

(-5,0).

To find the coordinates of the fourth vertex of the parallelogram, we need to use the fact that opposite sides of a parallelogram are parallel and equal in length. We can use the given three vertices and their coordinates to find the vector representing one of the sides of the parallelogram, and then use this vector to find the fourth vertex.

For the fourth vertex, we have that:

Hence the coordinates of the vertex are of:

(-5,0).

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The area of the triangular section is 12 square units and the area of the entire figure is 60 square units.

We know that the Area of triangle is defined as the product of its height to its base.

Area of triangle =  height × base

From the figure, we can see that Height is = 4 units and the base is = 6 units,

So, the area of the triangular section is = 1/2 × base × height,

⇒ (1/2) × 6 × 4

⇒ 12 square units

The entire figure consists of two figure , one is a rectangle and the other part is a triangle,

So, the area of the entire figure is = Area of rectangle + area of triangle

⇒ 4×12 + 12

⇒ 48 + 12

⇒ 60 square units

Therefore, the area of the entire figure is 60 square units.

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The given question is incomplete, the complete question is

The area  of the triangular section is ___ square units, and the area of the entire figure is ___ square units. Refer to the figure given below.

the shortest distance from the parking lot to the beach is 24 m and the distance between the beach and the refreshment stand is 18 m.

The answer is C: 24 m; 18 m. To find the shortest distance from the parking lot to the beach, one should measure the distance between the two locations. The distance between the parking lot and the beach is 24 m. To find the distance between the beach and the refreshment stand, one should measure the distance between the two locations. The distance between the beach and the refreshment stand is 18 m. Therefore, the shortest distance from the parking lot to the beach is 24 m and the distance between the beach and the refreshment stand is 18 m.

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Answer:

(5+1)^2 = 6^2 = 36

3^2 = 9

Next, we can substitute these values into the expression:

(5+1)^2 - (11+3^2) = 36 - (11+9) = 16

Finally, we can divide by 4:

16/4 = 4

Therefore, the simplified expression is 4.

Step-by-step explanation:

The grocer should combine 3 pounds of $2.4/lb trail mix with 5 pounds of $1.5/lb trail mix to get $1.9/lb trail mix.

Let x be the number of pounds of $2.4/lb trail mix to be added to 5 pounds of $1.5/lb trail mix.

The total amount of trail mix after combining can be expressed as:

x + 5

The total cost of the combined trail mix can be expressed as:

2.4x + 1.5(5) = 1.9(x + 5)

Solving for x, we get:

2.4x + 7.5 = 1.9x + 9.5

0.5x = 2

x = 4

Therefore, the grocer should combine 4 pounds of $2.4/lb trail mix with 5 pounds of $1.5/lb trail mix to get $1.9/lb trail mix.

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The given function of the cost represents exponential growth.

A form of growth known as exponential growth occurs when the rate of expansion is proportionate to the present value. This implies that the rate of growth increases as the present quantity increases. An exponential function, such as the one in this question (y = abx, where an is the starting value, b is the growth factor, and x is the number of time periods), may be used to describe exponential growth. In natural and social processes, such as population expansion, economic growth, and the spread of illnesses, exponential growth is frequently seen. Yet, there are always resource constraints and other factors that will ultimately reduce or stop the expansion, therefore exponential growth cannot last eternally.

The given function is y=100(1. 05)^x.

To find cost for certain year we substitute different value of x.

From the function we observe that as the value of x increases the function increases continuously.

Hence, the given function of the cost represents exponential growth.

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The complete question is:

Answer: 3

Step-by-step explanation: do the opposite function, in this case you need to multiply 6 by x to get 18. So, now you just have to divide 18 by 6.

18/6 =3

You can make sure this is correct by multiplying your numbers of 6 and 3

6x3 = 18

Answer:3

Step-by-step explanation:

6x=6*x

6*x=18

ab=c

in order to find a we need to divide c with a. a=c/b.

in this case,

x=18/6=3

Answer:

C,D

Step-by-step explanation: