2: The probability of a $2 winner in a particular state lottery is 1 in 10, the probability of a $5 winner is 1
in 50, and the probability of a $10 winner is 1 in 500.
a) What is the probability of getting either a $2, or $5, or $10 winner?
b) What is the probability of getting a $2 winner?
c) If you buy 50 lottery tickets, what is the probability that you will get at least one $5 winner?
d) If you buy 500 lottery tickets, what is the probability that you will get at least one $10 winner? B

Answers

Answer 1

The probability of each event will be

a. 0.122

b. 0.1

c. 0.64

d. 0.63

Probability of a $2 winner is 1 in 10

Probability of a $5 winner is 1 in 50

Probability of a $10 winner is 1 in 500

The formula to find probability is

1. no. of favorable outcomes / total no. of favorable outcomes

                                                  OR

2. P(A) = n(A)/n(S)

where

P(A) is the probability of an event “A”

n(A) is the number of favorable outcomes

n(S) is the total number of events in the sample space

Now we will use formula to find probability of different events happening

a. To find the probability of getting either a $2, or $5, or $10 winner we

will find probability of $2 , $5 and $10 and add them together.

1/10 + 1/50 + 1/500 = 0.122

b. The probability of getting a $2 winner will be

1/10 = 0.1

c. The probability of getting no $5 winner is (49/50)^50 = 0.36

So the probability of getting $5 winner will be 1 - 0.37 = 0.64

d. The probability of getting no $10 winner is (499/500)^500 = 0.37

And we can take probability of total no. of outcomes as 1.

So the probability of getting $10 winner will be 1 - 0.37 = 0.63

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Related Questions

Classify the following inequalities into the given categories. Drag each inequality into the appropriate category. Strict inequality Nonstick inequality
3x-2<1
3x-> 1
3x-2>1
3x-2<1

Answers

All the inequality given are all non strict inequalities

Inequality           classification

3x - 2 < 1          non strict inequality    

3x - > 1             non strict inequality

3x - 2 > 1          non strict inequality

3x - 2 < 1          non strict inequality

What is inequality ?

Inequality refers to a way of representing relationships between variables at the left hand side of equation to the variables to the right hand side of an equation.

The signs used in inequality are of 4 types namely

less thangreater thanless than or equal togreater than or equal to

The strict inequality are those inequality that the equation fails when equality sign is used to represent the relationship of the left and right hand side of an equation.. The inequality sign used here is only less than or greater than

The non strict inequality maintains the balance between both sides of the equation whether the equality is used or not

None of the given expression has the "less than or equal to" OR "greater than or equal to" signs hence they are all strict inequality

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What is the third term of the sequence 20 - n²

Answers

A sequence or series is the generalized form of the pattern thus the third term of the given sequence 20 - n² is 11.

What is a series?

A sequence's series is the total number of terms in the sequence.

A series follows some pattern for example if you take data set of natural numbers then there will be a sequence of that data and something will be due to that we can form that series.

As per the given sequence, 20 - n²

The 20 - n² represents the nth term of the sequence.

Thus a(n) = 20 - n²

For the third term n = 3

a(3) = 20 - (3)²

a(3) = 20 - 9 = 11

Hence "A sequence or series is the generalized form of the pattern thus the third term of the given sequence 20 - n² is 11".

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the sum of emma's age and her sister's age is 48 years. emma's age is 6 years less than twice her sister's age. what is emma's age, and what is her sister's age?

Answers

Let e represent Emma’s age and s represent Emma’s sister’s age.

e + s = 48

2s - 6 = e

2s - 6 + s = 48

3s - 6 = 48

We add 6 to both sides to eliminate it:

3s = 54

Finally, we divide both sides by the coefficient:

s = 18

Therefore, Emma’s sister is 18 years old. Let’s plug that in to find Emma’s age:

48 - 18 = 30

E = 30
S = 18

Therefore, Emma is 30 years old, and her sister is 18 years old.

PLEASE HELP MEEE!!!!!!!!!

Answers

Each function operation should be matched with what it is equivalent to as follows:

f(x) + g(x) = -2x² + x + 6.

g(x) - f(x) = -2x² - 5x + 2.

f(x) · g(x) = -6x³ - 10x² + 8x + 8.

h(x) - f(x) = 3x² - 7x - 2

f(x) · h(x) = 9x³ - 6x² - 8x.

f(x) + g(x) + h(x) = x² - 3x + 6.

How to determine the solutions of the given function?

In order to determine the solutions of the given function, we would have to evaluate each of the function based on the required mathematical operations as follows.

From the information provided, we have the following functions:

f(x) = 3x + 2

g(x) = -2x² - 2x + 4

h(x) = 3x² - 4x

f(x) + g(x) = 3x + 2 + (-2x² - 2x + 4)

f(x) + g(x) = 3x + 2 - 2x² - 2x + 4

Next, we would rearrange the function by collecting like terms as follows:

f(x) + g(x) = -2x² + (3x - 2x) + (2 + 4)

f(x) + g(x) = -2x² + x + 6 (solution).

g(x) - f(x) = -2x² - 2x + 4 - (3x + 2)

Opening the bracket, we have:

g(x) - f(x) = -2x² - 2x + 4 - 3x - 2

Next, we would rearrange the function by collecting like terms as follows:

g(x) - f(x) = -2x² + (-2x - 3x) + (4 - 2)

g(x) - f(x) = -2x² - 5x + 2 (solution).

f(x) · g(x) = (3x + 2) × (-2x² - 2x + 4)

Opening the bracket, we have:

f(x) · g(x) = -6x³ - 6x² + 12x - 4x² - 4x + 8

Next, we would rearrange the function by collecting like terms as follows:

f(x) · g(x) = -6x³ + (-6x² - 4x²) + (12x - 4x) + 8

f(x) · g(x) = -6x³ - 10x² + 8x + 8 (solution).

h(x) - f(x) = 3x² - 4x - (3x + 2)

h(x) - f(x) = 3x² - 4x - 3x - 2

h(x) - f(x) = 3x² - 7x - 2 (solution).

f(x) · h(x) = (3x + 2) × (3x² - 4x)

f(x) · h(x) = 9x³ - 12x² + 6x² - 8x

f(x) · h(x) = 9x³ - 6x² - 8x (solution).

f(x) + g(x) + h(x) = 3x + 2 + (-2x² - 2x + 4) + (3x² - 4x)

f(x) + g(x) + h(x) = -2x² + x + 6 + 3x² - 4x

f(x) + g(x) + h(x) = x² - 3x + 6 (solution).

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b. Which of these products has the same value as 4​(​12)? Select all that apply.
A.
8​(​6)
B.
76
C.
316
D.
12​(​4)
E.
124

Answers

Answer:

A and D

Step-by-step explanation:

8(6) means 8x6 so that's 48

and 12(4) is the same as 4(12) so that should be simple enough

Ms. Lewinsky’s math class has k students. If p students earned a C or better on the last test, what fraction of the class did NOT eat a C or better on the last test?

Answers

Answer:

its "a" your welocome

Step-by-step explanation:

i did the test

couple has 5 kids, all sons. if they have a sixth kid, what is the probability that the sixth kid will be a son?

Answers

The probability when it comes to having kids is always one out of two.

Please help with the unfilled spots! :)

Answers

The value of [tex](x_{1},y_{1})= (-9,-6)[/tex] and the value of [tex](x_{2},y_{2})= (-1,-12)[/tex],according to the question.

What do you mean by XY coordinates?

The x and y coordinates are a component of the x-axis and y-axis in a 2D space in the Cartesian coordinate system. The x and y coordinates for a point in space are expressed as an ordered pair (x, y). The position of the point on the x-axis is shown by the first number, while its location on the y-axis is indicated by the second number.

According to the data in the given question,

We have:

The coordinates of points A are (-9,-6).

The coordinates of points W are (-1,-12).

In this question,

[tex](x_{1},y_{1})= (-9,-6)[/tex]

[tex](x_{2},y_{2})= (-1,-12)[/tex]

Therefore, the value of [tex](x_{1},y_{1})= (-9,-6)[/tex] and the value of [tex](x_{2},y_{2})= (-1,-12)[/tex].

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Which parabola below has a maximum value?
a. y = 0.1x2 - 3x
b. y = 4x2 + 24x +23
c. y = 2x - 3x2
d. y = x2 + 2x + 20

Answers

In the given parabola equations, the third equation [tex]y = 2x - 3x^{2}[/tex] has a maximum value.

What is the Maximum parabola?

If a parabola opens up, it has the lowest point, and if it opens down, it has the highest point. For a parabola to have a maximum value, it must be the case that the parabola opens down. Algebraically, this means that the leading coefficient in the equation of a parabola is negative (a < 0).

We have,

                              [tex]y = 0.1x^{2} - 3x\\\\y = 4x^{2} + 24x +23\\\\y = 2x - 3x^{2}\\\\y = x^{2} + 2x + 20[/tex]

For a parabola to have a maximum value, the parabola must open downward. Algebraically, this means that the leading coefficient in a parabola equation is negative (a < 0).

By Simplifying the third equation we get its leading coefficient is negative (a < 0).

                              [tex]y = -3x^{2} + 2x[/tex]

Hence in the given parabola equations, the third equation has a maximum value.

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P is inversely proportional to Q.

P= 10 when Q = 1.2

a) Work out the value of P when Q = 2.

b) Work out the value of Q when P = 1.25

Answers

Answer:

P = 10

Q=12

[tex]p = \frac{1}{q} [/tex]

a). p = 1/2 = 0.5

b). 1.25 = 1/Q

Q = 1/1.25 Q = 0.8

Answer:

P=6

Q= 9.6

Step-by-step explanation:

A)

y=k/x

substitute it in.

10=k/1.2

10×1.2=k

k=12

y=12/x

x=2

12/2=6

P=6.

B)

Since we know y=kx

we know k=12

you would do 12/1.25 to give u Q

12/1.25=9.6

can the sum X to the power of two plus X to the power of three be written in simpler form? explain.

Answers

The sum X to the power of two plus X to the power of three be written in simpler form is X² + X³.

What is an exponent?

The exponent is the number of times that a number is multiplied by itself. It should be noted that the power is an expression which shows the multiplication for the same number.

For example, in 6⁴ , 4 is the exponent and 6⁴ is called 6 raise to the power of 4.

Based on the information given, this will be illustrated as X² + X³. In this case, it illustrate the addition of exponents.

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How do you find the distance between the points shown? (C: 6, -4) and (D: 6, -8)

A. Subtract the distance between each point and the x-axis
B. Add the distance between each point and the x-axis
C. Subtract the distance between each point and the y-axis
D. Add the distance between each point and the y-axis

Answers

Answer:

A. Subtract the distance between each point and the x-axis.

Step-by-step explanation:

As the two points have the same x-coordinate, x = 6, it means they lie on the vertical line x = 6.

Therefore, the distance between the points can be found by subtracting the distance between each point and the x-axis.

In the given example, the points are C(6, -4) and D(6, -8).

To find the distance between a point and the x-axis, we simply take the absolute value of the y-coordinate of the point:

Distance between point C and the x-axis = |-4| = 4

Distance between point D and the x-axis = |-8| = 8

Subtracting the distances, we get:

Distance = 8 - 4

Distance = 4

Therefore, the distance between points C and D is 4 units.

Evaluate -7(x - 4y) when x = -4 and y = -6.
A 140
B 52
C-28
D-140​

Answers

Answer: D

Step-by-step explanation:

Take the equation and substitute the variables for the numbers given

-7(-4-4(-6))=-140

Hope this helps :)

suppose a sample of thirty 25- to 34-year-olds showed a sample mean of 118.4 texts per day. assume a population standard deviation of 33.17 texts per day. compute the p-value. (round your answer to four decimal places.) p-value

Answers

The p-value of the distribution of population standard deviation of 33.17 texts per day is 0.9435

The test statistic's "p-value" measures how likely it is that future results will be at least as extreme as the one your sample yielded. You must understand that the null hypothesis is the underlying presumption to compute this probability.

The parameters are as follows:

The sample mean ([tex]\bar x[/tex]) = 118.4

The population standard deviation ([tex]\sigma[/tex]) = 33.17

The sample size (n) = 30

Calculate the z-score first.

[tex]z = \bold{ \frac{x - \bar x}{\frac{\sigma}{\sqrt{n} } } }[/tex]

according to the entire question, x = 128

So, we have:

[tex]z = \bold{ \frac{x - \bar x}{\frac{\sigma}{\sqrt{n} } } }\\\\z = \bold{ \frac{9.6}{\frac{33.17}{\sqrt{30} } } }\\\\z = \bold{ \frac{9.6}{\frac{33.17}{5.477 } } }\\\\z = \bold{ \frac{9.6}{ 6.056} }\\\\z = 1.5852[/tex]

As determined by the z table of probability, p = 0.9435395

or p = 0.9435 (approx.)

Consequently, the distribution's p-value is 0.9435.

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5/3=?x1/3
help please ASAP

Answers

The value of x is 5 for the given equation 5/3 = x/3.

What do we mean by equations?A mathematical equation is a formula that uses the equals sign to represent the equality of two expressions. A mathematical statement known as an equation is made up of two expressions joined together by the equal sign. A formula would be 3x - 5 = 16, for instance. When this equation is solved, we discover that the value of the variable x is 7.

So, the equation is:

5/3 = x/3

Now, solve for x as follows:

5/3 = x/33x = 5 × 3 (Cros multiply)3x = 15x = 15/3x = 5

Therefore, the value of x is 5 for the given equation 5/3 = x/3.

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Correct question:

Solve for x. 5/3= x/3

A small publishing company is planning to publish a new book. Let C be the total os of publishing the book(in dollars). Let N be the number of copies of the book produced. For the first printing, the company can produce up to 300 copies of the book. Suppose that c=20N+500 gives C as function of N during the first printing.

The set of vale is the same for both.

Answers

The cost of publishing the 300 copies of the book is $6500.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that a small publishing company is planning to publish a new book. Let C be the total os of publishing the book(in dollars). Let N be the number of copies of the book produced. For the first printing, the company can produce up to 300 copies of the book. Suppose that c=20N+500 gives C as a function of N during the first printing.

The cost of 300 copies will be calculated as,

c=20N+500

c = ( 20 x 300 ) + 500

c = 6000 + 500

c = 6500

Therefore, the cost of publishing the 300 copies of the book is $6500.

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Gerardo and his two friends order a pizza and decide to split the cost evenly. Each person ordered a drink for $1.50. How much was the pizza if each person paid $8?

Answers

19.50 cost of pizza

Step-by-step explanation:

$8.00-$1.50 = $6.50 × 3 =19.50

Answer is:
6.50x3=19.5

Total cost of pizza: $19.50
3 people
Drinks 1.50
Pizza per person 6.50
6.50+ 1.50= 8.00
6.59x 3= 19.50

why is it important to create a budget even if you don’t get a lot of money or if you have an irregular income?

Answers

Answer:

it is important because this will be helpful for your incomes, tax, bills etc. This also will plan for other things that you might pay like savings.

Step-by-step explanation:

2. Beth and Reena opened Basic Savings accounts on the same day. Reena's initial deposit was twice as much as Beth's. After 5 years, their combined interest earned was $21.00. What was the amount of Reena's initial deposit?​

Answers

Answer:

Step-by-step explanation:

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

Let the Beth deposite is x.Here r and n will be 1.

A=x(1+1/1)^5

Similarly
B=2x(1+1/n)^nt

B=2x(1+1/1)^5

There combined interest is:
A+B=x(1+1/1)^5+2x(1+1/1)^5

21=32x+64x

21=96x

x=21/96 is the beth deposite.

2x=2*21/96 is the Reena deposite

White shapes and black shapes are used in a game.

Some of the shapes are circles.
All the other shapes are squares.
The ratio of the number of white shapes to the number of black shapes is 7:3
The ratio of the number of white circles to the number of white squares is 2:7
The ratio of the number of black circles to the number of black squares is 1:2

Work out what fraction of all the shapes are circles.
Give your answer as a fraction in its simplest form.

(Hint: Fractions can be written in the form a/b. eg [tex]\frac{5}{28}[/tex] would be written as 5/28)

Answers

The fraction of all the circles in the shapes  is 23/90

How to calculate the fraction of all the shapes are circles?

Given that the:

Ratio of the number of white shapes to the number of black shapes is 7:3

Ratio of the number of white circles to the number of white squares is 2:7

Ratio of the number of black circles to the number of black squares is 1:2

Total share for both white and black shape = 7+3 = 10

share for white shape = 7/10 and share for black shape = 3/10

Total share for white circles and white squares = 2+7 = 9

share for white circles = 2/9 and share for white squares = 7/9

Total share for black circles and black squares = 1+2 =3

share for black circles = 1/3 and share for black squares = 2/3

White circles will take 2/9 of white colors i.e. 2/9 x 7/10 =   14/90 = 7/45

Black circles will take 1/3 of  black colors i.e. 1/3 x 3/10 = 3/30 = 1/10

Fraction of circles = 7/45 + 1/10

                              =  14+9/ 90

                             = 23/90

Therefore, the fraction of all the shapes that are circles is 23/90

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shopper needs 48 hot dogs. The store sells identical hot dogs in 2 differently sized packages. They sell a six-pack of hot dogs for $2.10, and an eight-pack of hot dogs for $3.12.



Answers

The pack of hot dogs that the shopper should buy that would be cheaper is six - pack of hot dogs

How to find the pack to be bought?

If the shopper decided to buy the six-pack of hot dogs for $2.10, their total cost to be able to get 48 hot dogs would be:

= Cost per six pack of hot dogs x ( Number of hot dogs needed / Number of hot dogs in pack)
=2.10 x (48 / 6)

= 2.10 x 8

= $16.80

The cost if the shopper wants the eight pack is:

= 3.12 x (48 / 8)

= $18.72

The shopper should pick the six - pack of hot dogs because it is cheaper.

The rest of the question is:

Which option would be cheaper to the shopper?

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According to flightstats com, American Airlines flights from Dallas to Chicago are on time 80% of the time. Suppose 20 flights are randomly selected, and the number of on-time flights is recorded. (a) Explain why this is a binomial experiment (b) Determine the values of n and p. (c) Find and interpret the probability that exactly 12 flights are on time. (d) Find and interpret the probability that fewer than 12 flights are on time. (e) Find and interpret the probability that at least 12 flights are on time. (f) Find and interpret the probability that between 10 and 12 flights, inclusive, are on time.​

Answers

As, in our question we are doing 20 trials to get the number of on-time flights. Hence, this is a binomial experiment.

The value of p=0.8 and n=20

The probability that exactly 12 flights are on time = 0.1772

The probability that exactly fewer than 12 flights are on time =  0.1049

The probability that at least 12 flights are on time = 0.8951

The probability that between 10 and 12 flights, are on time = 0.1795

(a) Binomial probability is the probability of exactly 'k' successes on 'n' repeated trials in an experiment which has two possible outcomes.

As, in our question we are doing 20 trials to get the number of on-time flights. Hence, this is a binomial experiment.

(b) As, the probability of success on an individual trial is p and here success means the flight is on-time so the value of p be,

p = 80% = 0.8

As, we made 20 trials and n is the total number of trials then,

the value of n be,

n = 20

(c) Now, if the probability of success on an individual trial is p ,

Then the binomial probability is C(n,x)⋅p^x⋅(1−p)^(n−x)

The probability that exactly 12 flights are on time, be

P(X=12) = C(20,12)⋅(0.8)^12⋅(1−0.8)^(20-12)

P(X=12) = C(20,12)⋅(0.8)^12⋅(0.2)^(8)

P(X=12) = 10,07,760×0.0687×0.00000256

P(X=12) = 0.1772

(d) Now, the probability that exactly fewer than 12 flights are on time, be

P(X<12) = 1 - P(X>12)

So, P(X>12) = P(X=13)+P(X=14)+P(X=15)+P(X=16)+P(X=17)+P(X=18)+P(X=19)+P(X=20)

So, P(X>12) = 0.0545 + 0.0364 + 0.1746 + 0.2182 + 0.2054 + 0.1369 + 0.0576 + 0.0115

P(X>12) = 0.8951

P(X<12) = 1 - 0.8951

P(X<12) = 0.1049

(e)  Now, the probability that at least 12 flights are on time, be

P(X>12)=0.8951

(f) The probability that between 10 and 12 flights, are on time, be

P(X=10)+P(X=11)+P(X=12) = 0.0020 + 0.0003 + 0.1772

P(X=10)+P(X=11)+P(X=12) = 0.1795

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help meeeeeeeeeeee pleaseeeeeeeeeee rn rnnnnnnnnn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
help meeeeeeeeeeee pleaseeeeeeeeeee rn rnnnnnnnnn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

The equation of the parabola from the vertex is f(x) = 7(x - 3)² + 5

How to determine the equation of the parabola?

The equation of the function is given as

f(x) = 7x²

Also, we have

Vertex = (3, 5)

The form of the equation is given as

f(x) = a(x - h)² + k

Where

Vertex = (h, k)

This means that

Vertex = (h, k) = (3, 5)

Substitute (h, k) = (3, 5) in the equation f(x) = a(x - h)² + k

So, we have

f(x) = a(x - 3)² + 5

This also means that

f(x) = 7(x - 3)² + 5

The 7 is gotten from f(x) = 7x²

Hence, the equation of the parabola is f(x) = 7(x - 3)² + 5

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the table below gives the annual sales (in millions) of a product. year 1998 1999 2000 2001 2002 2003 2004 2005 2006 sales 273 327 369 399 417 423 417 399 369 what was the average rate of change of annual sales a) between 2001 and 2002 millions of dollars/year b) between 2001 and 2006 millions of dollars/year

Answers

Main answer:

a) 18 millions of dollars/year

b) 6 millions of dollars/year

Step-by-step explanation:

a) the average rate of change of annual sales between 2001 and 2002 millions of dollars/year

Average rate = (Final year - Initial year) / (Sales on Final year - Sales on Initial year)

                     = (417 - 399) / (2001 - 2002)

                     = 18 / 1

                     = 18 millions of dollars/year

b) the average rate of change of annual sales between 2001 and 2006 millions of dollars/year

Average rate = (Final year - Initial year) / (Sales on Final year - Sales on Initial year)

                      = (369 - 399) / (2006 - 2001)

                      = 30 / 5

                      = 6 millions of dollars/year

The average rate of change of annual sales between 2001 and 2002 is 18 millions of dollars/year ,  between 2001 and 2006 is 6 millions of dollars/year

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A corporation earned a profit of $2. 5 x 10 to the 4th power for 1 x 10 to the 3rd power days in a row. What was the corporation's total profit during this time period?

Answer in both scientific notation and standard form

Answers

The overall profit of the corporation as during time period is $ 2.5 x 10⁷

Define the term scientific notation?Scientific Notation (also known as Standard Form) is a process of presenting numbers in a concise manner. A number expressed in Scientific Notation is a number between 1 and less than 10, scaled by such a power of ten. Move this decimal point such that there one digit (that cannot be zero) before it.

As the question expressed-

Earned profit - $2. 5 x 10 to the 4th power

In scientific notation - $2. 5 x 10⁴

Number of days - 1 x 10 to the 3rd power

In scientific notation - 1.0 x 10³

Total profit = Earned profit x Number of days

Total profit = $2. 5 x 10⁴ x 1.0 x 10³

Total profit = $ 2.5 x 10⁷

Thus, the overall profit of the corporation as during time period is $ 2.5 x 10⁷.

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a surgeon developed a new procedure for knee replacement surgery. to study its effectiveness, they recruit patients who need knee replacement surgery and are willing to participate in a blind study. the surgeon randomly assigns each volunteer to receive either the new procedure or the standard procedure. after the surgeon performs the procedure, they monitor each patient to see if one group has better results than the other. what does it mean for this experiment to be blind?

Answers

Answer: The volunteers are unaware of which surgery they receive.

Step-by-step explanation:

The total cost of a one-year membership at a gym is £141. This is made
up of a single £57 sign-up fee and equal-sized monthly payments for the
whole year.
How much is each monthly payment?
Give your answer in pounds.

Answers

Answer: 7£

Step-by-step explanation:
1. Firstly, we need to subtract the single sign up fee from the total cost. This would be 141-57 =84 pounds
2. We know that you pay a regular amount every month, so therefore we can divide 84 by 12 as there are 12 months in a year.
3. 84/12 = 7. Thus, the answer is 7 pounds a month.

Answer:

£7

Step-by-step explanation:

Given information:

£141 = Total cost of one-year gym membership.£57 = sign-up fee (included in the annual fee).

To find the cost of the monthly payments, find the difference between the total cost and the sign-up fee, then divide the result by 12 (as there are 12 months in one year).

The difference between the total cost and the sign-up fee is:

[tex]\implies 141-57=84[/tex]

Therefore, the cost of each monthly payment is:

[tex]\implies \textsf{Monthly fee}=\dfrac{84}{12}=7[/tex]

find the value of x in each case

Answers

nooooooo seeeeeee where you from?

The manager of a movie theater compared ticket
sales for two movies showing on the same night.
For the first movie, 150 adult tickets and
100 child tickets were sold for $3,087.50 in total
ticket sales. For the second movie, 200 adult
tickets and 150 child tickets were sold for
$4,287.50 in total ticket sales. What was the price
of each adult and each child ticket?

Answers

Answer:

adult: $13.75child: $10.25

Step-by-step explanation:

You have two revenue relations and want the price of each adult and child ticket. 150 adult and 100 child tickets sold for $3087.50; 200 adult and 150 child tickets sold for $4287.50.

Equations

Each of the revenue relations can be formulated as an equation. If x and y represent the price of each adult and child ticket, respectively, then ...

  150x +100y = 3087.50

  200x +150y = 4287.50

Solution

The solution can be found many ways. A graphing calculator (first attachment) shows the solution to be ...

adult price: $13.75child price: $10.25

The calculator function that reduces a matrix to row-echelon form can be used on the augmented matrix of coefficients. That, too, gives the solution about as quickly as you can enter the coefficients. This is shown in the second attachment.

Subtracting twice the second equation from 3 times the first will eliminate the y-variable:

  3(150x +100y) -2(200x +150y) = 3(3087.50) -2(4287.50)

  50x = 687.50

  x = 13.75 . . . . . . divide by 50

From the second equation, ...

  y = (4287.50 -200(13.75))/150 = 1537.50/150

  y = 10.25

Identify the y intercept of this line b

Answers

Answer: b= (0,4)

Step-by-step explanation:

The 'b' value in a line is the y-int. of a linear equation. That means you need to determine where the linear equation intersects with the y-axis. In this scenario it intersects at the point (0,4)

X doesn’t go over to ether side so u stay on 0 and for y you go up so the point b would be (0,4)
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