The equation of the line passing through the point (-4,-6) and parallel to the provided line is y=-6.
How to find the equation of a line?To find the equation of a line that is parallel to a given line and passes through a given point, we need to use the fact that parallel lines have the same slope.
The slope of the line connecting the coordinates (x₁, y₁) and (x₂, y₂)
m=y₂-y₁/x₂-x₁
The angle formed by the line connecting (-8, 4) and (8, 4)
m=4-4/8+8
=0
The slope is 0, the parallel line will similarly have zero slopes.
Now consider the equation of the parallel line running through (-4, -6).
Let's locate the y-intercept.
-6=-4(0)+b
-6=b
Consequently, the equation of the given line will be y=-6.
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mai lee bought a computer for her home office and depreciated it over 5 years using the straight line method. if its initial value was $2350, what is its value 3 years later
In this scenario, if a computer was bought for $2350 and is being depreciated over 5 years, the annual depreciation is $470, and its value 3 years later would be $1410.
The straight-line method of depreciation is a method of calculating the decline in value of an asset over time. Using this method, an asset's value is spread evenly over its useful life.
In this scenario, if the computer was bought for $2350 and is being depreciated over 5 years, the annual depreciation is ($2350 / 5) = $470.
Three years later, the computer's value would be $2350 - ($470 x 3) = $1410. This is because the value of the computer is decreasing by $470 per year, and after three years, the total amount of depreciation would be $470 x 3 = $1410.
It's important to note that the straight-line method of depreciation is a simple method and it does not reflect the real-world scenario in which assets may have a higher value of depreciation in the initial years and less in the later years. But it's easy to calculate and use.
In conclusion, if an asset is depreciated using the straight-line method, its value decreases evenly over its useful life. It's important for businesses to understand the various methods of depreciation and choose the one that best suits their needs.
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Pls can u answer this.. and also ima post another one if h can answer that too ❣
Answer:
Hamid: 4
Ken: 3
Step-by-step explanation:
Start by finding the LCM (least common multiple) of 80 and 60. To do this we can list all the multiples of 80 and 60 until we get a common multiple.
60: 60, 120, 180, 240
80: 80, 160, 240
They both have a common multiple of 240, so after 240 seconds they will meet again at the start line.
Now we need to find how many laps they'll have to run. To do this we can divide 240 by the amount of time it takes for them to run a lap.
240/60=4
240/80=3
Hamid will have ran 4 laps and Ken will have ran 3 laps
The ordered pair that is a solution of the equation y = 2x - 4 is
Hello there. To solve this question, we have to remember some properties about ordered pairs and equations.
Given the equation:
\(y=2x-4\)We want to determine the ordered pair that is solution to this equation.
First, remember what is an ordered pair:
An ordered pair is a 2 element tuple (list) that has its elements disposed as
\((x,\text{ }y)\)In this case, all solutions x to this equation will be given as the following ordered pairs:
\((x,\,2x-4)\)And these points lies on the line y = 2x - 4, all across the xy-plane.
Okay. Now, we have to check which of the options are correct.
For this, you take the first coordinate of the ordered pair and plug in the equation:
a) (4, 5)
Plugging x = 4, we get
\(y=2\cdot4-4=8-4=4\)This is not the correct option.
b) (-3, -7)
Plugging x = -3, we get
\(y=2\cdot(-3)-4=-6-4=-10\)Not correct as well.
In the end, we find that the only correct option is:
e) (0, -4).
Since plugging x = 0 yields:
\(y=2\cdot0-4=-4\)As we wanted.
Therefore the final answer is contained in the last option, (0, -4).
My teacher is super picky about this type of stuff and I’m not sure how I would do it... Please show steps when solving for slices of pizza!
Find an equation of the tangent plane to the given by z = 2x^(2) - y^(2) + 5y at the point (-2,2,14)
Find partial derivatives, evaluate them at the point, use point-normal form, simplify to get equation of the tangent plane: -8(x + 2) + (y - 2) - (z - 14) = 0 for z = 2x^2 - y^2 + 5y at (-2, 2, 14).
To find the equation of the tangent plane to the surface given by z = 2x^2 - y^2 + 5y at the point (-2, 2, 14), follow these steps: Compute the partial derivatives, . Evaluate the partial derivatives , Plug in the normal vector components, Simplify the equation.
1. Compute the partial derivatives of the function with respect to x and y. This will give you the normal vector to the tangent plane.
∂z/∂x = 4x
∂z/∂y = -2y + 5
2. Evaluate the partial derivatives at the given point (-2, 2, 14):
∂z/∂x(-2, 2) = 4(-2) = -8
∂z/∂y(-2, 2) = -2(2) + 5 = 1
3. Now you have the normal vector to the tangent plane: (-8, 1, -1)
4. Use the point-normal form of the equation of a plane:
(ax - a0x) + (by - b0y) + (cz - c0z) = 0
5. Plug in the normal vector components and the point coordinates:
-8(x - (-2)) + 1(y - 2) - 1(z - 14) = 0
6. Simplify the equation to get the final equation of the tangent plane:
-8(x + 2) + (y - 2) - (z - 14) = 0
The equation of the tangent plane to the surface z = 2x^2 - y^2 + 5y at the point (-2, 2, 14) is -8(x + 2) + (y - 2) - (z - 14) = 0.
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what happens to an inequality sign when the inequality is multiplied or divided by a negative number
When an inequality is multiplied or divided by a negative number, the inequality sign will flip, meaning it will change its direction. For example, if you have a > b and you multiply or divide both sides by a negative number, the inequality will become a < b. This is because the relationship between the values reverses when multiplied or divided by a negative number.
Explanation:
When an inequality is multiplied or divided by a negative number, the direction of the inequality sign is flipped. This is because multiplication or division by a negative number, results in a reversal of the order of the numbers on the number line.
To see why this happens, consider the following example:
Suppose we have the inequality x < 5. If we multiply both sides of this inequality by -1, we get -x > -5. Notice that we have flipped the inequality sign from "<" to ">". This is because multiplying by -1 changes the sign of x to its opposite, and also changes the sign of 5 to its opposite, resulting in a reversal of the order of the numbers on the number line.
Similarly, if we divide both sides of the inequality x > 3 by -2, we get (-1/2)x < (-3/2). Here, we have again flipped the inequality sign from ">" to "<". This is because dividing by a negative number also changes the order of the numbers on the number line.
In general, if we have an inequality of the form a < b or a > b, where a and b are real numbers, and we multiply or divide both sides by a negative number, we obtain:
If we multiply by a negative number, the inequality sign is flipped. For example, if a < b and c < 0, then ac > bc.
If we divide by a negative number, the inequality sign is also flipped. For example, if a > b and c < 0, then a/c < b/c.
Therefore, it is important to be mindful of the signs of the numbers involved when performing operations on inequalities. If we multiply or divide by a negative number, we must flip the direction of the inequality sign accordingly.
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How to solve for x in this?
Answer:
x = 80 degrees
Step-by-step explanation:
Let's say the angle ABC = 30 degrees and angle BAC = x degrees
angle ACB = 180 - 110
angle ACB = 70 degrees
angle BAC = 180 - angle ABC - angle ACB
x = 180 - 30 -70
x = 150 - 70
x = 80 degrees
The domestic violence study conducted in 1984 by Sherman and Berk had an ethical concern in that: O They financially profited from the research. O They did not adhere to special protections for vulnerable populations. O They potentially withheld a beneficial treatment. O They deceived their subjects.
In the 1984 domestic violence study conducted by Sherman and Berk, the ethical concern was that they potentially withheld a beneficial treatment.
The domestic violence study conducted by Sherman and Berk in 1984 raised an ethical concern in that they financially profited from the research. This raises the question of whether their motives were purely altruistic or whether they were driven by financial gain. Additionally, the study did not adhere to special protections for vulnerable populations such as women and children who may have been victims of domestic violence. This raises concerns about the validity and generalizability of the study's findings. Furthermore, the study potentially withheld a beneficial treatment, which raises questions about the ethical responsibility of researchers to ensure that their subjects receive the best possible care. Finally, there are also concerns that the researchers may have deceived their subjects, which raises questions about the integrity and transparency of the research process. In conclusion, the ethical concerns raised by this study highlight the need for researchers to carefully consider the impact of their research on vulnerable populations and to ensure that they adhere to the highest ethical standards.
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For the function below find a) the critical numbers; b) the open intervals where the function is increasing, and c) the open intervals where it is decreasing f(x)=8x³-42x-48x + 4 a) Find the critical number(s). Select the correct choice below and, if necessary fill in the answer box to complete your choice. A. The critical number(s) is/are (Type an integer or a simplified fraction. Use a comma to separate answers as needed
A) Function is increasing on (-∞, -1) and (7/2, ∞), and decreasing on (-1, 7/2).
b) The local minimum value of f is; 5608/2197 at x = -42/13, and the local maximum value of f is 139/8 at x = 7/2.
(a) To determine the intervals on which f is increasing or decreasing, we need to determine the critical points and then check the sign of the derivative on the intervals between them.
f(x)=8x³-42x-48x + 4
f'(x) = 24x² - 90
Setting f'(x) = 0, we get
24x² - 90 = 0
24x² = 90
x =± √3.75
So, the critical points are;
x = -1 and x = 7/2.
We can test the sign of f'(x) on the intervals as; (-∞, -1), (-1, 7/2), and (7/2, ∞).
f'(-2) = 72 > 0, so f is increasing on (-∞, -1).
f'(-1/2) = -25 < 0, so f is decreasing on (-1, 7/2).
f'(4) = 72 > 0, so f is increasing on (7/2, ∞).
Therefore, f is increasing on (-∞, -1) and (7/2, ∞), and decreasing on (-1, 7/2).
(b) To determine the local maximum and minimum values of f, we need to look at the critical points and the endpoints of the interval (-1, 7/2).
f(-1) = -49
f(7/2) = 139/8
f(-42/13) = 5608/2197
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Could someone please help me I don’t understand this
A jar has marbles in it. Three tenths of the marbles are red. Five tenths of the marbles are blue.
Two tenths of the marbles are green. Which of these fractions is equivalent to four eighths?
The red marbles are 3/10 of the total.
The blue ones are 5/10 of the total.
The green ones are 2/10 of the total.
Of these, 5/10=1/2=(1×4)/(2×4)=4/8
Therefore, five tenths is equivalent to four eighths.
Can someone help me find the mistake!!!!!
Answer:
She supposedly multiplies 4*4*16*-3y but distributes it correctly as if she put (16*4)+(4*-3y) which equals 64-12y.
The work shown is a mistake, the answer of y=5 isn't.
Question 4(Multiple Choice Worth 2 points)
(Systems of Linear Equations MC)
Which point is a solution of the system of linear equations?
x − 3y = −2
y = −3x + 4
A. (1, 1)
B. (1, −1)
C. (−1, 1)
D. (−1, −1)
A point which is a solution of the system of linear equations include the following: A. (1, 1).
How to graph the solution to this system of equations?In order to to graph the solution to the given system of equations on a coordinate plane, we would use an online graphing calculator to plot the given system of equations and then take note of the point of intersection;
x − 3y = −2 ......equation 1.
y = −3x + 4 ......equation 2.
Next, we would use an online graphing calculator to plot the given system of equations as shown in the graph attached below.
Based on the graph (see attachment), we can logically deduce that the solution to the given system of equations is the point of intersection of the lines on the graph representing each of them, which lies in Quadrant I and it is given by the ordered pair (1, 1).
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Billie & Tony are siblings. It’s summer of 2015. Twice Billie’s age decreased by 3 is Tony’s age. Tony is fourteen years older than Billie. What are the ages of Billie & Tony?
Answer:
Tony = 31 Billie = 17
Step-by-step explanation:
17 x 2 = 34
34 - 3 = 31
17(billie's age) + 14(years that Tony is older) = 31
Answer:
what the other person said
Step-by-step explanation:
Which line screen setting are you most likely to use when printing a newspaper?
When printing a newspaper, you are most likely to use a line screen setting of 85 lpi (lines per inch).
you know that 5 other widget companies sell widgets at that store, so you would be the 6th. assuming a customer is equally likely to select any of the widgets, what is the probability they will select and purchase your widget? write your answer as a probability (not a percent) rounded to 4 decimals.
The probability they will select and purchase your widget out of the 6 companies is 1/6 i.e 0.1667.
The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.
In probability theory and statistics, the discrete probability distribution of the number of successes in a series of n independent experiments, each asking a yes-or-no question and each with its own Boolean-valued outcome: success or failure, is known as the binomial distribution with parameters n and p.
The success rate for choosing your company out of 6 is 1/6
Therefore probability is 1/6 = 0.1667.
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The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995.YearRetail Sales085.8513108.4266141.7819169.25612202.29715222.266Let F(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is F(t)=9.44t+84.182 .36912158090100110120130140150160170180190200210220Use the above scatter plot to decide whether the linear model fits the data well.The function is not a good model for the dataThe function is a good model for the data.Estimate the retails sales in the U. S. in 2012. billions of dollars. Round to the nearest whole number.Use the model to predict the year that corresponds to retails sales of $250 billion.
INFORMATION:
We have the following table that shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995
We also have a linear model for the data
\(F(t)=9.44t+84.182\)With the following scatter plot
And, we must solve the three questions.
STEP BY STEP EXPLANATION:
1.
To determine if the linear model fits the data well, we need to analyze the given scatter plot.
We can see that the blue points are very closed to the linear function, that means the function is a good model for the data.
2.
To estimate the retails sales in 2012, we must calculate which year is 2012 after 1995 and then replace it in the function.
So, we must subtract 1995 from 2012
\(2012-1995=17\)Now, replacing t = 17 in the function
\(F(9)=9.44(17)+84.182=245\)Then, in 2012 the retails sales were 245 billion of dollars
3.
To predict the year that corresponds to retail sales of 250 billion, we must equal the function to 250, and then solve it for t.
\(\begin{gathered} 250=9.44t+84.182 \\ \text{ Solving for t,} \\ 250-84.182=9.44t \\ 165.818=9.44t \\ t=\frac{165.818}{9.44} \\ t=17.5655 \end{gathered}\)Finally, to find the year we must add 17 to 1995 which is the first year
\(1995+17=2012\)Then, the year that corresponds to retail sales of 250 billion is 2012
ANSWER:
1. the function is a good model for the data.
2. 245
3. 2012
Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. The length of all the smaller ones is the same and is stored in the variable small. Similarly, the length of all the larger ones is the same and is stored in the variable large. Write a single expression whose value is the total floor-space area of this room.
The expression for the total floor-space area which is square of the room would be total_area = side_length * side_length
The total floor-space area of the room can be calculated by multiplying the length of one side of the room by itself (since it's a square).
Assuming the length of one side of the room is stored in the variable "side_length", the expression for the total floor-space area of the room would be:
total_area = side_length * side_length
However, based on the information provided, it seems like the dimensions of the room are determined by the lengths of the smaller and larger pieces of sheetrock (stored in the variables "small" and "large"). If we assume that the room is a rectangle, with the smaller piece of sheetrock determining the length of one side and the larger piece determining the length of the other side, the expression for the total floor-space area of the room would be:
total_area = small * large
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Which of the following has a value less than or equal to 5 1/4
1. 0.52 x 10
2. 12 x 1/2
3. -0.2 x -23
Answer:
1 and 3
Step-by-step explanation:
Ok so you need to start with solving each answer.
1. 5.20
2. 6
3. 4.6
so actually. 1 and 3 have a value less than or equal to 5 1/4 or 5.25
add the numbers 197,203 and 423 in two ways fast
Answer:
823
Method 1
Break the three numbers into hundreds, tens and units, then add these separately (starting with the units)
197 = 1 hundred, 9 tens, 7 units
203 = 2 hundreds, 0 tens, 3 units
423 = 4 hundreds, 2 tens, 3 units
Units: 7 + 3 + 3 = 13
Tens: 9 + 2 = 11 tens = 110
Hundreds: 1 + 2 + 4 = 7 hundreds = 700
Add these together: 700 + 110 + 13 = 823
Method 2
First add 203 to 197:
Borrow the 3 from 203 and add it to 197: 197 + 3 = 200
Add the remaining 200: 200 + 200 = 400
Now add 423 to 400: 400 + 423 = 823
⇒ 203 + 197 + 423 = (203 + 197) + 423
= 400 + 423
= 823
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 and 18 Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. 7 g(x) = { vt ++3 dt Jo Answer 8. g(x) = {* In (1+tº) dt
By using Fundamental Theorem of Calculus, we find the derivative of the function g(x) = In { sqrt( t + t^3)dt } limit from x to 0 is ln(sqrt(x + x^3)). The derivative of the function g(x) = { In (1+t^2) dt} where limit are from x to 1 is ln(1 + x^2).
The Fundamental Theorem of Calculus, which states that if a function is defined as the definite integral of another function, then its derivative is equal to the integrand evaluated at the upper limit of integration.
So, applying this theorem, we have:
g'(x) = d/dx [∫x_0 ln(sqrt(t + t^3)) dt]
= ln(sqrt(x + x^3)) * d/dx (x) - ln(sqrt(0 + 0^3)) * d/dx (0)
= ln(sqrt(x + x^3))
Therefore, g'(x) = ln(sqrt(x + x^3)).
Using the Fundamental Theorem of Calculus, we have:
g'(x) = d/dx [∫1_x ln(1 + t^2) dt]
= ln(1 + x^2) * d/dx (x) - ln(1 + 1^2) * d/dx (1)
= ln(1 + x^2)
Therefore, g'(x) = ln(1 + x^2).
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____The given question is incomplete, the complete question is given below:
Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. 7 g(x) = In { sqrt( t + t^3)dt } limit from x to 0. 8. g(x) = { In (1+t^2) dt} where limit are from x to 1.
can I please have some help
Step-by-step explanation:
14. e= -25
16. y=7
18. -k=500
20. w= -20
22. x=21
24. y=0
hope it helps.
Answer:
14. e=-25
16. y=7
18. k=-500
20. w=-20
22. x=21
24. y=0
Step-by-step explanation:
big brain
A person invests 8000 dollars in a bank. The bank pays 6.25% interest compounded daily. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 10800 dollars
Answer:
4.8 years
Step-by-step explanation:
10 800 = 8000 e^(i t) i = decimal interest per year t = years
10800/8000 = e^(.0625 t) ln both sides
.300 = .0625 t
t = 4.8 years
If g(x) = x² + 2, find g(3).
Answer:
\(g(3) = 11\)
Step-by-step explanation:
Greetings!!!
The given function
\( g(x) = x {}^{2} + 2\)
What we are looking now is what will be the value when 3 is substituted in the variable x.
\(g(3) = (3) {}^{2} + 2\)
Solve the expression
\(g(3) = 9 + 2\)
Add the numbers
\(g(3) = 11\)
Thus, the value of g(3)= 11
Hope it helps!!!
town A is 60 km from town B and 61km from town C a road connects town B and C directly find the length of the road for class 7 ncert
Answer:Using the triangle inequality, we can conclude that the distance between towns B and C must be less than 121 km (the sum of the distances between towns A and B, and between towns A and C).
To find the exact length of the road connecting towns B and C, let's use the Pythagorean theorem.
Let x be the length of the road connecting towns B and C. Then we have:
x^2 = 61^2 + 60^2
x^2 = 3721 + 3600
x^2 = 7321
x ≈ 85.6 km
Therefore, the length of the road connecting town B and C is approximately 85.6 km.
Step-by-step explanation:
DJ Max Beats charges $80 plus $12.50 per hour.
DJ Wildz charges $95 plus $9.50 per hour.
When will their charges be equal?
x² - 36 = 0
solve for x
Answer: +6
Explanation: The equation x² - 36 = 0 is called a quadratic equation because he have a squared term as our highest power.
Our first step in this problem is to get the x²
term by itself by adding 36 to both sides.
That gives us x² = 36.
Next we must get the x by itself and in order to do
that we do the opposite of what is happening to x.
Since x is being squared, the opposite
of squaring is square rooting.
So to get x by itself, we square
root both sides of the equation.
On the left the square root of x² is x and on
the right, remember the following rule.
When square rooting both sides of
an equation, always use plus or minus.
So the answer to this problem would be +6.
So our solution to this equation is +6.
y=-2
4x-3y=18
explanation needed
Answer:-2
Step-by-step explanation: Substitute the given y-value into 4x−3y=18 and solve for x
What is the answer to this question? (pls help)
Answer:
D
Step-by-step explanation:
if you divide the money by the ounce, D is the cheapest with 0.24 per ounce
Answer:
Step-by-step explanation:
My guess is that it is not A. And A is not the answer.
You have to try each one to see.
3.20 / 8 = .40 cents/ounce.
6.25/25 = .25 dollars per ounce
3.84/16 = .24
The last one is the better buy.
Solve for b:
6b+14 = -7-b
Answer:
b = -3
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
6b+14=−7−b
6b+14=−7+−b
6b+14=−b−7
Step 2: Add b to both sides.
6b+14+b=−b−7+b
7b+14=−7
Step 3: Subtract 14 from both sides.
7b+14−14=−7−14
7b=−21
Step 4: Divide both sides by 7.
\(\frac{7b}{7} = \frac{-21}{7}\)
b= -3
Answer:
b=−3
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
6b+14=−7−b
6b+14=−7+−b
6b+14=−b−7
Step 2: Add b to both sides.
6b+14+b=−b−7+b
7b+14=−7
Step 3: Subtract 14 from both sides.
7b+14−14=−7−14
7b=−21
Step 4: Divide both sides by 7.
7b
7
=
−21
7
b=−3