Answer:
Combind like terms,
11.2 + 3.4w - 1.8w
11.2 + 1.6w
1.6w + 11.2
Jennifer has 256 beads. Stella has 3 times as how many beads as Jennifer. Tiah has 104 more beads than stella. How many beads does tiah have ?
Answer:
Tiah has 872 Beads
Step-by-step explanation:
Answer: 872
Step-by-step explanation:256*3=768
768+104=872
which differential equation has a slope field with positive slopes in quadrants i and ii and negative slopes in quadrants iii and iv
The requried differential equation is dy/dx = -x/y, as per the condition of the slope field.
One example of a differential equation that has a slope field with positive slopes in quadrants I and II and negative slopes in quadrants III and IV is:
dy/dx = -x/y
In quadrant I, both x and y are positive, so the slope is negative. In quadrant II, x is negative and y is positive, so the slope is positive. In quadrant III, both x and y are negative, so the slope is positive. In quadrant IV, x is positive and y is negative, so the slope is negative.
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Giải các Phương Trình Nghiệm Nguyên
1/x +1/y = 1/6xy
Answer:
sucky my ducky ;))))
Step-by-step explanation:
The hole for a birdfeeder post is 3 feet deep. The top of the post
needs to be at least 5 feet above the ground. Write and solve an inequality that represents the required length of the post.
8 feet
Let d be the distance the poles above the ground. Then d >5. The total length of the pole is d + 3 since The pogues 3 ft into the ground. Adding 3 on both sides of d>5 then give d +3>8 so the length of the post is at least 3 ft
problem 5. a recent highway safety study found that in 78% of all accidents a driver was wearing a seatbelt. accident reports indicated that 92% of those drivers escaped serious injury (defined as hospitalization or death), but only 64% of the non-belted drivers were so fortunate. find the probability that a driver was wearing a seatbelt given that this driver was not seriously injured. (round your answer to 2 places after the decimal point).
The probability that a driver was wearing a seatbelt given that they were not seriously injured is approximately 0.31 or 31%.
To find the probability that a driver was wearing a seatbelt given that they were not seriously injured, we can use Bayes' theorem. Here are the steps:
Given probabilities: The probability of a driver wearing a seatbelt is P(S) = 0.78. The probability of being seriously injured given that the driver was wearing a seatbelt is P(I|S) = 0.08. The probability of being seriously injured given that the driver was not wearing a seatbelt is P(I|NS) = 0.36.
Calculate the probability of not being seriously injured: To calculate P(NI), we use the formula
\(P(NI) = (P(NI|S) * P(S)) + (P(NI|NS) * P(NS)).\)
Since \(P(NS) = 1 - P(S)\),
we have
\(P(NI) = (0.08 * 0.78) + (0.64 * 0.22)\)
= 0.2032.
Apply Bayes' theorem: Using Bayes' theorem,
\(P(S|NI) = (P(NI|S) * P(S)) / P(NI).\)
Plugging in the values, we get
\(P(S|NI) = (0.08 * 0.78) / 0.2032\)
≈ 0.3087.
Therefore, the probability that a driver was wearing a seatbelt given that they were not seriously injured is approximately 0.31 or 31%. This means that among drivers who were not seriously injured, there is a 31% chance that they were wearing a seatbelt.
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The Smith Family is buying a house for $350,000 with a down payment of $70,000 for a 15-year loan, $66 per month insurance, property tax is $230 per month and HOA is $600 per year. Calculate their total monthly payment
Using monthly payment formula, the Smith Family's total monthly payment is approximately $2,360.99.
What is the Monthly Payment?To calculate the total monthly payment for the Smith Family, we need to consider the mortgage payment, insurance, property tax, and HOA fees.
1. Mortgage Payment:
The loan amount is the house price minus the down payment:
$350,000 - $70,000 = $280,000.
To calculate the monthly mortgage payment, we need to determine the interest rate and loan term. Since you mentioned it's a 15-year loan, we'll assume an interest rate of 4% (which can vary depending on market conditions and the borrower's credit).
We can use a mortgage calculator formula to calculate the monthly payment:
M = P [i(1 + i)ⁿ] / [(1 + i)ⁿ⁻¹]
Where:
M = Monthly mortgage payment
P = Loan amount
i = Monthly interest rate
n = Number of months
The monthly interest rate is the annual interest rate divided by 12, and the loan term is 15 years, which is 180 months.
i = 4% / 12 = 0.00333 (monthly interest rate)
n = 180 (loan term in months)
Plugging in the values into the formula:
M = $280,000 [0.00333(1 + 0.00333)¹⁸⁰] / [(1 + 0.00333)¹⁸⁰⁻¹]
Using a calculator, the monthly mortgage payment comes out to be approximately $2,014.99.
2. Insurance:
The monthly insurance payment is given as $66.
3. Property Tax:
The monthly property tax payment is given as $230.
4. HOA Fees:
The HOA fees are stated as $600 per year. To convert this to a monthly payment, we divide by 12 (months in a year): $600 / 12 = $50 per month.
Now, let's add up all these expenses:
Mortgage payment: $2,014.99
Insurance: $66
Property tax: $230
HOA fees: $50
Total monthly payment = Mortgage payment + Insurance + Property tax + HOA fees
Total monthly payment = $2,014.99 + $66 + $230 + $50
Total monthly payment = $2,360.99
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William is thinking of 2 numbers. The larger number is four less than two times the smaller
number. The sum of the numbers is 104. What are William's numbers? Please write your
answer in a sentence.
Answer:
The numbers are 36 and 68.
Step-by-step explanation:
Let the smaller number be x.
"The larger number is four less than two times the smaller
number."
The larger number is
2x - 4
The sum of the numbers is x + 2x - 4, or 3x - 4.
"The sum of the numbers is 104."
3x - 4 = 104
3x = 108
x = 36
The smaller number is 36.
The larger number is 2x - 4, or
2x - 4 = 2(36) - 4 = 72 - 4 = 68
The larger number is 68.
Answer: The numbers are 36 and 68.
how to simplify x+4-(x-4)
Answer:
0
Step-by-step explanation:
to simplify distribute the negative sign
x + 4 - (x - 4)
x + 4 - x + 4; which cancels the x and 4
0
Answer:
8
Step-by-step explanation:
-(x-4) : -x+4
x+4 -x+4
simplify: x+4 -x+4=8
Tasha is at the top of
sledding hill that has a
run of 300 feet long and a
vertical drop of 128 feet.
what is the angle of
depression of from the top
of the hill to the bottom?
The angle of depression from the top of the hill to the bottom is 23.106°.
What is Angle of Depression?Angle of depression is the angle which is between a horizontal line and the line of sight which is pointed downwards.
The figure representing the situation is given below.
From the figure, we get a right angled triangle ABC, right angle at B.
AB = 300 feet
BC = 128 feet
tan x = BC / AB
tan x = 128 / 300
tan x = 0.4267
x = tan⁻¹ (0.4267)
x = 23.106°
Hence the angle of depression is 23.106°.
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A sports store made a display by stacking baseball bats in a pile. The bottom row of the pile has 20 bats, and the top row has 14 bats. Each row has 1 fewer bat than the row below. How many bats are used in the display?
112 119 133 161
Show Work!!
Answer:
B. 199
Step-by-step explanation:
The number of the bast is 119. Then the correct option is B.
What is the area of the trapezoid?A trapezoid is a quadrilateral having two parallel sides and the other two non-parallel sides. The area of a trapezoid is the number of unit squares that can be fit into it and it is measured in square units.
The area of the trapezoid is calculated by the formula given below:-
A = ( a + b )/2 x h
Here a and b are the lengths of the two parallel sides and h is the height of the trapezoid.
Given that the bottom row of the pile has 20 bats, and the top row has 14 bats. Each row has 1 fewer bat than the row below so it will become a trapezoid with a = 14 and b = 20 and the height is 7.
The number of bats will be equal to the area of the trapezoid.
A =( a + b )/2 x h
A = ( 14 + 20 ) / 2 x (7)
A = 119 Bats
Hence, the correct option is B.
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-1/4 (x+2)+5=-x I really need help
Answer:
x = -6
Step-by-step explanation:
Answer:
-6
Step-by-step explanation:
-1/4 (x+2)+5=-x
-1/4x-1/2+5=-x
-1/4x+4.5=-x
+1/4x +1/4x
(4/3) 4.5=-3/4x (4/3)
6=x
x=6
Describe a rigid transformation that takes Polygon A to Polygon B.
The transformation that takes polygon A to polygon B is a rotation of 180 degrees clockwise about the origin.
What is a transformation?Transformation is the movement of a point from its initial location to a new location. Types of transformations are reflection, translation, rotation and dilation.
Rigid transformation are transformation that preserve the shape and size hence producing congruent figures such as translation, reflection and rotation.
The transformation that takes polygon A to polygon B is a rotation of 180 degrees clockwise about the origin.
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Answer:
The transformation that takes polygon A to polygon B is a rotation of 180 degrees clockwise about the origin.
Step-by-step explanation:
2/3 of 1/2
What is the answer.
Answer:
1/3 or 0.33333333333_
Step-by-step explanation:
Write an equation of a line that passes through the point (4,3) and is perpendicular to the graph of the equation y = - 1/3x +4
Answer:
1/13x + 35/13
Step-by-step explanation:
Please help me!
"Explain why this graph shows a function."
Answer:
This graph shows a function because no vertical line passes through more than one point on the graph.
Step-by-step explanation:
a scale factor of 1/2 reduces a figure. true or false
Answer:
True
explanation:
because half of the original sise
Find the value of x in the figure. Two intersecting lines with vertical angles x degrees and 40 degrees. (1 point)
The answer to thus question is 140 degrees.
To solve this problem we must know about vertical angles,
Vertical angles are always congruent (congruent means having the same measure or size). Therefore, if one angle measures x degrees, the other angle also measures x degrees. If we know that one of the angles measures 40 degrees, we can use that information to find the measure of the other angle, which is x.
Since the angles are vertical angles, the sum of both angles will be equal to 180 degrees, therefore
x + 40 = 180
x = 140
Therefore, the value of x is 140 degrees.
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Triangle ABC is shown below. What is the measure of angle??
The mean mass of five men is 76 kg. The masses of four of the men are 72 kg, 74 kg, 75 kg and 81 kg. What is the mass of the fifth man
Answer:
78kg
Step-by-step explanation:
76×5= 380kg
380-72-74-75-81= 78kg
PLEASE HELP ME WITH THIS QUESTION AND ILL BRAINLIEST YOU
Answer:
52.5
Step-by-step explanation:
Since ABCD is a parallelogram, we know that angle ABC and angle ADC are congruent, and since angle ABC is 105, angle ADC is also 105. Since ADC lies on a line, which is 180 degrees, we can calculate ADE by doing 180 - 105 = 75
Next, we must realize that since ED is equal to AD, then angle AED is congruent to DAE. So now we have the three angles for triangle ADE
x (angle AED), x(angle DAE) and 75(angle ADE)
Since we know that a triangle has 180 degrees, we just formulate the following:
2x + 75 = 180
2x = 105
x = 52.5
Evaluate the expressions below for the given values.
Answer:
B: -4
D: 8/3
Step-by-step explanation:
Hope this helps
Nico and Lorena used different methods to determine the product of three fractions.
Nico’s Method
Lorena’s Method
(2) (one-sixth) (Negative four-fifths) = (StartFraction 2 over 1 EndFraction) (one-sixth) (negative four-fifths) = StartFraction (2) (1) (negative 4) over (1) (6) (5) EndFraction = Negative StartFraction 8 over 30 EndFraction = Negative StartFraction 4 over 15 EndFraction
(2) (one-sixth) (Negative four-fifths) = (StartFraction 2 over 1 EndFraction) (one-sixth) (negative four-fifths) = StartFraction (2) (1) (negative 4) over (1) (6) (5) EndFraction = Negative StartFraction 8 over Negative 30 EndFraction = StartFraction 4 over 15 EndFraction
Whose solution is correct and why?
Answer:
Nico's solution is correct
Step-by-step explanation:
Lorena introduced a spurious minus sign in the denominator in the next-to-last step, so ended up with a result that has the wrong sign.
Answer:
The Answer is A
Nico is correct because he knew that Negative four-fifths = StartFraction negative 4 over negative 5 EndFraction.
it takes tania 1 1/4 hours to beat a level of her video game. Last week she played for 7 1/2 hours. How many levels did she beat last week
3.7.6 (Model of an epidemic) In pioneering work in epidemiology, Kermack and McKendrick (1927) proposed the following simple model for the evolution of an epidemic. Suppose that the population can be divided into three classes: x(t) number of healthy people; y(t) number of sick people; z(t) number of dead people. Assume that the total population remains constant in size, except for deaths due to the epidemic. (That is, the epidemic evolves so rapidly that we can ignore the slower changes in the populations due to births, emigration, or deaths by other causes.) Then the model is kxy kxy where k and l are positive constants. The equations are based on two assump- tions (i) Healthy people get sick at a rate proportional to the product of x and y. This would be true if healthy and sick people encounter each other at a rate propor- tional to their numbers, and if there were a constant probability that each such encounter would lead to transmission of the disease. (ii) Sick people die at a constant rate l The goal of this exercise is to reduce the model, which is a third-order system, to a first-order system that can analyzed by our methods.
The Kermack and McKendrick model of an epidemic proposes that the population can be divided into three classes: healthy, sick, and dead. The total population remains constant in size, except for deaths due to the epidemic. The model is kxy, where k and l are positive constants. The equations are based on the assumptions that healthy people get sick at a rate proportional to the product of x and y, and sick people die at a constant rate l.
The given model consists of three variables: x(t), y(t), and z(t), representing the number of healthy, sick, and dead people, respectively, in a population. The model has two assumptions:
1. Healthy people get sick at a rate proportional to the product of x and y (kxy).
2. Sick people die at a constant rate l.
We are given the following system of equations:
dx/dt = -kxy
dy/dt = kxy - ly
dz/dt = ly
Now, our goal is to reduce this third-order system to a first-order system that can be analyzed by our methods.
First, we notice that the total population N is constant except for deaths due to the epidemic, so we have:
N = x(t) + y(t) + z(t)
Since the total population remains constant (ignoring deaths due to the epidemic), we have:
dN/dt = dx/dt + dy/dt + dz/dt = 0
Substituting the given equations into the equation above, we get:
(-kxy) + (kxy - ly) + ly = 0
Notice that the terms involving kxy and ly cancel each other out. As a result, the system of equations is already reduced to a first-order system:
dx/dt = -kxy
dy/dt = kxy - ly
Now you can analyze this first-order system using the appropriate methods for first-order differential equations.
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Suppose that, in an alternate universe, the possible values of m
l
are the integer values including 0 ranging from −l−1 to l+1 (instead of simply −l to +l ). How many orbitals would exist in each of the following subshells? A. p subshell B. d subshell Which atomic orbitals have values of n=3 and I=1 ?
A. In the alternate universe, the p subshell would have 5 orbitals.
B. In the alternate universe, the d subshell would have 10 orbitals.
In the alternate universe where the possible values of mℓ range from -l-1 to l+1, the number of orbitals in each subshell can be determined.
A. For the p subshell, the value of l is 1. Therefore, the range of mℓ would be -1, 0, and 1. Including the additional values of -2 and 2 from the alternate universe, the total number of orbitals in the p subshell would be 5 (mℓ = -2, -1, 0, 1, 2).
B. For the d subshell, the value of l is 2. In the conventional universe, the range of mℓ would be -2, -1, 0, 1, and 2, resulting in 5 orbitals. However, in the alternate universe, the range would extend to -3 and 3. Including these additional values, the total number of orbitals in the d subshell would be 10 (mℓ = -3, -2, -1, 0, 1, 2, 3).
Therefore, in the alternate universe, the p subshell would have 5 orbitals, and the d subshell would have 10 orbitals.
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Can someone help me please ?
Answer:
=
Step-by-step explanation:
1. The square root of 4 is 2 because \(2^2\) = 4.
2. The cube root of 8 is 2 because \(2^3 = 2* 2 * 2\) = 8.
3. 2 and 2 are equal.
Therefore, the correct symbol is =.
Apply Newton's Method using the given initial guess.
y = x3 − 2x − 2, x1 = 0
x1 = x2 = x3 = x4 = Explain why the method fails.
We are unable to perform any additional iterations because y′(1)=0, hence the Newton's technique fails with the provided initial assumption.
What is equations ?An equation is a mathematical formula that joins two statements and uses the equal symbol (=) to indicate equivalence. A mathematical statement that proves the equality of two mathematical expressions is known as an equation in algebra. For instance, in the equation 3x + 5 = 14, the equal sign divides the variables 3x + 5 and 14. The relationship between the two sentences on either side of a letter is explained by a mathematical formula. There is frequently only one variable, which also serves as the symbol. for instance, 2x - 4 = 2.
given
by newton's method
y = x3 − 2x − 2, x1 = 0
y′(1)=6−12+6
y′(1)=0
We are unable to perform any additional iterations because y′(1)=0, hence the Newton's technique fails with the provided initial assumption.
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harley was tested 10 times and 9 of those times he choose the correct cup. what are the observational units?
In the experiment, the subject whose behavior is being assessed are observational units. The observational unit in this instance is Harley (Dog).
We will first investigate if canines can comprehend both non-human and human gestures in this investigation. The dogs were placed around 2.5 meters apart from the experimenter so that the researchers could test this. Two glasses were placed one on either side of the experimenter.
A gesture would be made at one of the cups by either the experimenter (pointing, bowing, or staring) or by a non-human object (a mechanical arm pointing, a doll pointing, or a stuffed animal looking). After then, the scientists would observe whether the dog would approach the cup that was pointed out. Six dogs were put to the test. We'll focus on one of the dogs who participated in both of his trial sets.
The four-year-old mixed breed dog was given the name Harley. Each of the ten trials in a set consisted of one gesture and one pair of cups. In order to see if Harley would approach a particular cup, the experimenter bowed toward it during one round of experiments.
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2(x + y + z) ???????
Answer:
2x + 2y + 2z
Step-by-step explanation:
An entity has the following balances: Bank: R5 000; Machinery: R3 000: Trade payables: R2 000.
The equity of the entity according to the basic accounting equation is …
NB: Instructions
1. Use a full stop to indicate any decimals (eg: 1000.01)
2. Only show the amount, do not show the R (eg: 12141.72)
The equity of the entity, according to the basic accounting equation, is R6 000. The basic accounting equation is Assets = Liabilities + Equity. To find the equity of the entity, we need to subtract the total liabilities from the total assets.
Bank balance: R5 000
Machinery balance: R3 000
Trade payables: R2 000
Total assets = Bank + Machinery
= R5 000 + R3 000
= R8 000
Total liabilities = Trade payables
= R2 000
Equity = Total assets - Total liabilities
= R8 000 - R2 000
= R6 000
Therefore, the equity of the entity, according to the basic accounting equation, is R6 000.
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