Tengo un total de 3 huevos en la última.
Los rompecabezas también son una excelente manera de pensar fuera de la caja. Resolver acertijos fortalece las conexiones entre las células cerebrales y forma nuevas células cerebrales, mejorando así la memoria. Resolver acertijos es una excelente manera de mejorar tu memoria a corto plazo.
Este acertijo viral debe leerse con atención. Su primer pensamiento podría ser que este es un problema matemático simple.
Si tuviera cuatro huevos
Un ladrón me da 3 huevos,
Mi gallo de granja pone 5 huevos,
¿Cuántos huevos tengo?
La explicación lógica de este acertijo es "Para empezar, el acertijo dice 'Si tuviera 4 huevos', pero este es solo un escenario y no tenías ningún huevo en primer lugar. Así que eso es 0 huevos.
Entonces el ladrón te dio 3 huevos.
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A biased dice is rolled and the results are recorded in a table. The dice is rolled once more. a) Use the table to estimate the probability that a 3 will be rolled. b) If the dice is rolled another 500 times, how many sixes would you expect to roll? Score 1 2 3 4 5 6 Frequency 12 35 11 23 7 12
The probability that a 3 will be rolled would be 0.125 and the expected number of 6's roll would be 68.
What is probability?
Probability is defined as the possibility of an event being equal to the ratio of the number of favorable outcomes and the total number of outcomes.
The events' estimated probabilities are as follows, according to the exponential probability theory:
P(3) = 0. 125
P(6 in 500 rolls) = 68 rolls
Number of times event occurs / number of trials
A number of attempts = sum of frequency:
(12+35+11+23+7+12) = 88
So the probability that a 3 will be rolled as
⇒ number of 3's / number of attempts
⇒ 11/88 = 0.125
The number of 6's probable in 500 rolls
⇒ (12 /88) × 500
⇒ 68.18 = 68
Therefore, the expected number of 6's roll would be 68.
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Write the standard form of the line that passes through the given points. Include your work for each step in your final answer. Type your answer in the box provided to submit your solution.
(7, -3) and (4, -8)
a) Using variables, write out the formula for the standard form of the equation.
b) Determine the slope of the line.
c) Write the point-slope form of the line.
d) Using the properties of algebra, rearrange the equation into the standard form
a. The standard form of an equation is A x + By = C.
b. The slope of the line is 5 / 3
c. The point slope form of the line is y + 3 = 5 / 3 (x - 7)
d. The standard form of the line is 3y - 5x = -44
How to write the equation of a line?The equation of a line can be represented in different form such as slope intercept form, standard form, general form and point slope form.
The standard form of an equation is represented as follows;
A x + By = C
where
A, B and C are constantTherefore,
let's find the slope of the line passing through (7, -3) and (4, -8).
m = slope = - 8 + 3 / 4 - 7
m = -5 / -3
m = 5 / 3
The point slope form is represented as follows;
y - y₁ = m(x - x₁)
using (7, -3)
y + 3 = 5 / 3 (x - 7)
Let's rearrange the equation into standard form.
y + 3 = 5 / 3 (x - 7)
y + 3 = 5 / 3 x - 35 / 3
y - 5 / 3 x = - 35 / 3 - 3
y - 5 / 3 x = -44 / 3
Therefore,
3y - 5x = -44
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What is value of x?
A. 10
B. 12
C. 3
D. 9
Answer: 10
Step-by-step explanation:
Set the equal angles as x, as shown below.
Then, [tex]sin(x)=\frac{x+4}{8}[/tex] and [tex]sin(x)=\frac{2x+1}{12}[/tex]. Set them equal to each other and solve for x:
[tex]\frac{x+4}{8} =\frac{2x+1}{12} \\ \\12(x+4)=8(2x+1)\\12x+48=16x+8\\48-8=16x-12x\\4x=40\\x=10[/tex]
This is assuming those two triangles are right triangles. I'm actually not sure if they're right triangles.
PLS HELP EITHER WILL RATE BRAINLY OR GIVE A THANKS AND RATE 5 STARS!!
1) 5 hours A. 96 hours
_____ 2) 72 hours B. 12 minutes
_____ 3) 360 seconds C. 1 hour
_____ 4) 540 minutes D. 3 days
_____ 5) 4 days E. 144 hours
_____ 6) 60 minutes F. 210 minutes
_____ 7) 720 seconds G. 6 minutes
_____ 8) 6 days H. 300 minutes
_____ 9) 3 ½ hours I. 180 seconds
_____ 10) 3 minutes J. 9 hours
Directions: Find the equivalent times.
11) 7 hours = _______ minutes
12) 480 seconds = _______ minutes
13) 120 hours = _______ days
14) 180 minutes = _______ hours
15) 11 minutes = _______ seconds
Student Name:
Converting Measures of Time
Directions: Match the times in the right column with the times in the right column that are equivalent.
Place the letter of the matching time on the line.
_____ 1) 5 h
Answer:
Match
1) 5 hours = H. 300 minutes
2) 72 hours = D. 3 days
3) 360 seconds = G. 6 minutes
4) 540 minutes = J. 9 hours
5) 4 days = A. 96 hours
6) 60 minutes = C. 1 hour
7) 720 seconds = 12 minutes
8) 6 days = E. 144 hours
9) 3 1/2 hours = F. 210 minutes
10) 3 minutes = I. 180 seconds
Equivalent times:
11) 7 hours = 420 minutes
12) 480 = 6 minutes
13) 120 hours = 5 days
14) 180 minutes = 3 hours
15) 11 minutes = 660 seconds
The area a person can paint varies directly with the amount of time he works. One morning, he painted 200 ft2 between 8:00 a.m. and 1:00 p.m. Write a function that represents this relationship.
The function that represents the relationship is y = 40x
The total area that he painted = 200 square feet
Time is between 8 am and 1 pm
Then the time taken = 5 hours
The relationship is given by the area a person can paint varies directly with the amount of time he works
Here we have to apply the unitary method
The area that he painted in one hour = 200 / 5
= 40 square feet
Consider the y is the total area that he painted and x is the number of hours
Then the function will be
y = 40x
Hence, the function that represents the relationship is y = 40x
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Translate this sentence into an equation.
The product of 6 and Victor's score is 102.
Use the variable v to represent Victor's score.
Answer:
6*v=102
Step-by-step explanation:
in a group of 100 sports car buyers, 40 bought alarm systems, 30 purchased bucket seats, and 20 purchased an alarm system and bucket seats. if a car buyer is chosen at random, what is the probability they bought an alarm system or bucket seats?
The probability that a car buyer bought an alarm system or bucket seats is 0.50.
Probability of ,
Alarm system p(A) = 40/100 = 0.40
Bucket seat p(B) = 30/100 = 0.30
Alarm system and bucket seat p(A and B) = 20/100 = 0.20
Probability of alarm system or bucket seat is :
= p(A)+p(B)-p(A and B)
= 0.40+0.30-0.20
= 0.50
In mathematics, probability is the likelihood of an event occurring. It is quantified as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty. The higher the probability of an event, the more likely it is to occur. A simple example is the tossing of a coin, where the probability of either head or tail is 1/2.
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Messages arrive at an electronic mail server at the average rate of 4 messages every 5 minutes. Their number is modeled by a binomial counting process. (a) What frame length makes the probability of a new message arrival during a given frame equal 0.05? (b) Suppose that 50 messages arrived during some 1-hour period. Does this indicates that the arrival rate is on the increase? Use frames computed in (a).
There is a modest rise in arrival rates as compared to the prior arrival because the value is bigger than 0.05. It is a minuscule rise.
Given that,
The Message is arrive at an electronic mall server at the average
rate is 4 messages for every 5 minutes. Then the average
number of message is said to be a and mean is 4 to 5 interval.
Therefore ,we can use poission's approximation to binomial distribution in this case,
λ=4/5 min
( a ) Then , The Number of messages arrived in 1 hour
4x 12 = 48 . , So 48 messages per hour.
Now , our New arrival rate of messages , λ =48
By using possion's distribution ,
θ = time/rate
= 60/48= 1.25
NOW
probability density function of X is given as
f (x ) = θ e^-θx
for X>0
Given , the probability of new message arrival during given frame
equal is 0.05
p (X > x ) = 0.05
Now , of θ ∫e^-θx dx = 0. 05 .
then, e^-θx =0.05
Apply logarithm on both sides , then
In( e^-θx) = In 0.05
By solving,
1- 25
X = 2. 39658
(b) Now , probability of arrival of 50 messages in 60 minutes
p (X>2.39658 ) = 0.05
Now arrival gap is θ = 60/50 = 1.2
P(x> 2.39658 ) =e^-θx
=e^- 1- 2 * 2.39658 = 0.0564
NOW ,
p(x>2- 39658) = 0.0564.
It is greater than 0.05 , so it is called there is slight increase in arrival rates as compared to the previous arrival. It is very small increase .
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Joseph is going to invest $890 and leave it in an account for 15 years. Assuming the interest is compounded annually, what interest rate, to the nearest tenth of a percent, would be required in order for Joseph to end up with $1,710?
The interest rate in tenth of percentage that would be required in order for Joseph to end up with $1.710 is 4.4%.
What is interest rate?The interest rate is the amount a lender charges a borrower and is a percentage of the principal
To calculate the interest rate that would be required, we use the formula below.
Formula:
A = P(1+R)ⁿ.......... Equation 1Where:
A = AmountR = Interest raten = Total number of yearsP = Principle.From the question,
Given:
P = $890A = $1710n = 15 yearsSubstitute these values into equation 1 and solve for R
1710 = 890(1+R)¹⁵(1+R)¹⁵ = 1710/890(1+R) = [tex]\sqrt[15]{1.921}[/tex]1+R = 1.044R = 1.044-1R = 0.044R = 4.4%Hence, the interest rate is 4.4%.
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A box of chocolates contain 10 milk chocates and 12 plain chocolates. Two chocolates are taken at random without replacement.
Work out the probability that :
a) both chocolates will be milk chocolates
b) at least one chocolate will be a milk chocolate
Answer:
B
explanation:
there's a high chance you might as well get at least one milk chocolate because there's plenty..
Use the x-values: 1, 2, 3, and 4 to write solutions of the equation y = 17x + 8 as ordered pairs.
In the equation y= 17x + 8 ,
the value of x = (1,25) ,(2,42) ,(3,59) ,(4,76).
Given that,
y= 17x + 8
When x = 1
y = 17 × 1 + 8 = 25
when x=2,
y = 17 × 2 + 8 = 42
When X=3,
y = 17 × 3+ 8 = 59
when X=4
y = 17 × 4+ 8 ]= 76
Therefore, the required solution is :
x = (1,25) ,(2,42) ,(3,59) ,(4,76).
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you are going to the movie theater with your grandparents and your 5 year old brother. if you spent an additional $20 on soda and popcorn, what is the total cost of your trip to the movie theater? responses $23.50 $23.50 $7.25 $7.25 $20.00 $20.00 $43.50
The total cost of your trip to the movie theater is $43.50.
The total cost will be the sum of money spent on ticket and soda and popcorn.
Ticket cost for or cost price of Ticket for:
5 years old brother = $4.25
Grandparents = $6.00 × 2 = $ 12.00
For self= $7.25
Total cost of tickets = $4.25 + $ 12.00 + $ 7.25
= $ 23.50
Total Money spent = Cost of ticket + cost of soda and popcorn
= $ 23.50 + $20
= $ 43.50
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The perimeter of a triangle is 72 cm and its sides are in the ratio
of 5:6:7 find the area of the triangle (please send how u got it in a picture thank u)
Answer:
235.15 sq.cm
Step-by-step explanation:
Perimeter:Perimeter of a triangle is sum of all three sides.
Ratio of sides = 5 : 6 : 7
Sides are 5x , 6x , 7x
Perimeter = 72 cm
5x + 6x + 7x = 72
Combine like terms.
18x = 72
Divide both sides by 18,
x = 72÷ 18
x = 4
5x = 5*4 = 20 cm
6x = 6*4 = 24 cm
7x = 7*4 = 28 cm
Sides: 20cm , 24 cm , 28 cm
So, it is a scalene triangle.
To find the area of scalene triangle use Heron's formula.
a = 20 cm ; b = 24 cm and c = 28 cm
[tex]\sf s = \dfrac{a + b+ c}{2} \ where \ s \ is \ the \ semi \ perimeter.[/tex]
[tex]\sf =\dfrac{72}{2}\\\\\\ = 36 \ cm[/tex]
s - a = 36 - 20 = 16 cm
s -b = 36 - 24 = 12 cm
s - c = 36 - 28 = 8 cm
[tex]\sf \boxed{Area = \sqrt{s(s-a)(s-b)(s-c)}}[/tex]
[tex]\sf =\sqrt{36*16*12*8}\\\\ = 6*4*4\sqrt{6}\\\\= 96 *2.45\\\\=235.15 \ cm^2[/tex]
A. yes because their ratios are the same B. yes because their ratios are the same C. no because their ratios are the same D. no because their ratios are the same
Answer:
No because their ratios are not the same
Step-by-step explanation:
The scalar from 5 to 10 is 2 but from 3 to 4, its 4/3.
Camilla walk at a teady pace for 5 minute, top in the ame location for 2 minute, then continue on at a fater pace for 3 more minute until he reache her detination. Camilla claim that the relationhip between the time pent walking and the ditance traveled i not a function becaue of the time he tood till. Explain why the relationhip i a function
the relationship is a function because she "made up time".
A relation that states that there should only be one output for each input are called a function. alternatively, a function is a particular kind of relation—a set of ordered pairs—that adheres to a specific rule—each X-value should be associated with only one y-value.
if a relation is one-to-one or many-to-one it is a function.
Function Not a Function
one-to-one many-to-many
many-to-one one-to-many
In the above-mentioned scenario, She basically made up for the time she had spent standing at the location by increasing her pace. Since she picked up the pace, you can assume that she completed the task in the same amount of time as if she had not stopped.
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The set of data in the table below represents a linear function.
X
-4
-2
0
2
4
y
2
2.5
3
3.5
4
Which is an equation for this function?
Answer:
It's D.
Step-by-step explanation:
I know I can't see that option, but it's D. If you use A for the first one, you get 4(-4) which is -16 and you add 3 to that, it's -12, so that's not 2 so it can't be A. If you use B for the first one, you get 2(-4) which is -8, and if you add 3, you get -5, not 2, so it can't be that either. If you use C, you get 0.5(-4) which is -2, and if you add 3 to that, you just get 1, so it can't be C either. I assume there is fourth option, so it's D.
what two numbers multiply to -36 and add up to -6
The two numbers that we requires are; y=−3+3√5 or y=−3−3√5
What are the two numbers?We know that in this question, we are required to obtain the two numbers that multiply to -36 and add up to -6. Now we have to write the problem into a system of simultaneous equations.
Thus;
Let the numbers by x and y
x + y = -6 ---- (1)
xy = -36 ------ (2)
x = -36/y ------ (3)
If we substitute (3) into (1)
-36/y + y = -6
-36 + y^2/y = -6
Multiply through by y
-36 + y^2 = -6y
Forming a proper quadratic;
y^2 + 6y - 36 = 0
Solving the quadratic for y
y=−3+3√5 or y=−3−3√5
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I have a trouble with this question and I have a maths exam on Sunday on the same lesson. Could anyone please answer this with explanation please asap
The value of p in the given triangle is equal to 99.3°.
What is Law of Cosines?
The Law of Cosines, also known as the cosine formula or cosine rule, is a relation in trigonometry that links the lengths of a triangle's sides to the cosine of one of its angles.When the lengths of two sides and the measurement of the included angle are known (SAS) or the lengths of all three sides (SSS), the remaining pieces of an oblique (non-right) triangle can be found using the Law of Cosines.The formula of the Law of Cosines is given as, [tex]c^{2} =a^{2} +b^{2} -2abcosC[/tex], where, [tex]a,b,[/tex] and [tex]c[/tex] are the side lengths of the triangle and [tex]C[/tex] is the angle between [tex]a[/tex] and [tex]b[/tex].In the given question, the side lengths of the triangle are as follows,
[tex]a=3.6 cm,[/tex] [tex]b=2.8cm,[/tex] and [tex]c=5.3cm[/tex]
Here, the angle between a and b, [tex]\angle C=p[/tex]
We know that the angle p between the two sides of lengths a and b can be found using the Law of Cosines Formula, given as,
[tex]c^{2} =a^{2} +b^{2} -2abcosC[/tex]
Substituting the above values, we get
[tex]5.3^{2} =3.6^{2} +2.8^{2} -2 \times 3.6 \times 2.8 \times cos p[/tex]
Simplifying, we get
[tex]28.09=12.96+7.84-20.16cosp\\\implies 28.09=20.8-20.16cosp\\\implies 7.29=-20.16 cosp[/tex]
Rearranging in terms of p, we get
[tex]cosp=-\frac{7.29}{20.16} \\\implies p=cos^{-1} (-0.3616)\\\implies p=99.3\textdegree[/tex]
Therefore, the value of p is equal to 99.3°.
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Convert the inequality to interval notation: a > 10
Convert the inequality to interval notation: a > 10:
(10, ∞)
Write the shaded region
of the model as a percent.
4(-3b-5s) use s=2 and b=3
at wet pets, a starter aquarium kit costs $15 plus 60 cents per fish. at gills and frills, the same kit costs $13 plus 80 cents per fish
a. state the two equations for this system.
b. solve the system.
c. for what number of fish is the cost the same?
d. what is this cost?
The two equations for this system are C = 0.60f + 15 and C = 0.80f + 13.
The number of fish for which the cost is the same is 10 fishes.
The cost of this fish is equal to $21.
How to write the two equations for this system?In order to write a system of linear equations to model and describe this situation, we would assign variables to the number of fish and the cost of fish respectively, and then translate the word problem into algebraic equation as follows:
Let the variable f represent the number of fish.Let the variable C represent the cost of fish.Note: 1 dollar is equal to 100 cents.
Since the starter aquarium kit costs $15 plus 60 cents per fish at wet pets, we have:
C = 0.60f + 15 ........equation 1.
Since the starter aquarium kit costs $13 plus 80 cents per fish at gills and frills, we have:
C = 0.80f + 13 ........equation 2.
Next, we would solve the system of equations as follows:
0.80f + 13 = 0.60f + 15
0.80f -0.60f = 15 - 13
0.20f = 2
Number of fish, f = 2/0.20
Number of fish, f = 10 fishes.
What is this cost?From equation 1, we have:
Cost of fish, C = 0.60f + 15
Cost of fish, C = 0.60(10) + 15
Cost of fish, C = 6 + 15
Cost of fish, C = 21 dollars.
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Show 531x47 please thank you
Answer: 24.957
Step-by-step explanation: Calculator
select the correct answer. rounded to the nearest whole number, approximately how many inches is 8.39 kilometers? a. 21,311 inches b. 33,018 inches c. 213,106 inches d. 330,180 inches
As we know 1 kilometer = 39370.079 inches
and, 8.39 kilometer = 330,315 inches.
Kilometers: - It is a unit of length in the international system of units (SI) equal to one thousand meters. It is now the measurement unit used for expressing distances between geographical places on land in most of the world.
Inches: - It is a unit of length in the British imperial and united states customary system of measurement. It is equal 1/36 yard or 1/12 of a foot.
To convert a kilometer measurement to an inch measurement, multiply the length by the conversion ratio.
Since 01 kilometer = 39,370.07874 inches,
We can use this simple formula to convert:
inches = kilometers × 39,370.079
Now, according to the question:
inches = 8.39 × 39370.079
inches = 33.315
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Identify the molecular geometry around the nitrogen atom highlighted red in the given organic molecule. CH3 н 4-¢-6 H H Select one: A. Tetrahedral B. Trigonal planar C. Trigonal pyramidal D. Linear
The given organic molecule contains a trigonal pyramidal nitrogen atom, which is underlined in red.
Given;
The provided organic molecule's structural structure, with the nitrogen atom's position around it, is colored red.
Number of electron pairs in Nitrogen = 4 (3 Bond pairs + I Lone pair)
General Formula = AX₃E
Electronic Geometry = Tetrahedral
Molecular Geometry = Trigonal pyramidal
Hybridization = sp³
Hence, the nitrogen atom highlighted in red in the given organic molecule is Trigonal pyramidal.
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Find an ordered pair (x, y) that is a solution to the equation.
-x+5y=3
The ordered pair that is the solution to the equation -x + 5y = 3 is (-3,0) and (0, 0.6)
Ordered pair:
Ordered pairs refers a set of 2 numbers that exist in a particular order. The first one represents the x value and the second one refer the y value.
Given,
Here we need to find the ordered pair (x, y) that is a solution to the equation -x + 5y = 3
In order to find the solution ordered pair we have to plot this equation on the graph.
To plot this equation, we have to use the graphing calculator, and then input the given equation as the function, then we get the graph like the following.
While we looking into the graph, we have identified that the solution ordered pairs are (-3,0) and (0, 0.6)
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Find d using the tan. Explain correctly and will give brainlist
Answer:
d = 8.596m
or
= 8.6m rounded to the nearest tenth
Step-by-step explanation:
Tangent is:
tan(angle) = opp/adj
First, use
tan35° = 12/x
to find the unmarked piece on the bottom of the triangle.
Then find some more angles in the shape. See image.
Next, use
tan 25° = 12/y to find the length of the entire bottom of the whole, big triangle.
Last, subtract the little part from the whole side to find d. See image.
Answer:
In the picture attached
Step-by-step explanation:
The larger triangle is divided into two smaller ones. Take the first one (the triangle with the angle 35) and find the length of A1 using tan (imagine as if it's a triangle on its own). Do the same thing for the whole diagram (both the small triangles combined) using tan to find the whole length which I called A2, then minus A1 from A2 to find d
help please ][][[][][][[][][][][][][[][][[]
Answer:
3.730 = b
Step-by-step explanation:
Givens
<B = 25 degrees
b = ?
a: = 8 meters
Formula
Tan(B) = opposite / Adjacent
Solution
Solve for b (opposite)
Put in values for the letters.
Tan(25) = b /8
0.4663 = b / 8 multiply both sides by 8
0.4663*8 = 8*b/8 Combine
3.730 = b
number two
what is the length of PR?
The length of side PR will be 40.
What is mean by Triangle?
A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.
Given that;
In the isosceles triangle,
Two sides are,
⇒ PR = 5n and QR = (32 + n)
Now,
Since, The triangle is an isosceles triangle.
So, Two sides are equal.
We formulate;
5n = 32 + n
5n - n = 32
4n = 32
n = 8
Thus, The length of side PR = 5n
= 5 x 8
= 40
Therefore, The length of side PR will be 40.
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What is the equation of this line in slope-intercept form?
y = -3x +2
The general equation for a linear line is y = mx + b
Where:
m = the slope of the lineb = the y-interceptTo find the slope of a line we can use the formula [tex]\frac{rise}{run}[/tex]
Rise over run can be found suing two different points on the line.
in this case: (-1,5) and (1,-1)
The rise is the difference in y values: [tex]y_2 -y_1[/tex]
rise = (-1) - 5
rise = -6
run = [tex]x_2 - x_1[/tex]
run = 1 - (-1)
run = 2
rise/run = [tex]\frac{-6}{2}[/tex]
rise/ run = -3
We now have y = -3x + b
To find b we just look at the graph and locate a what point x = 0
this occurs at (0,2)b = 2