Answer:
6/8
Step-by-step explanation:
Answer: The answer is 6/8 ☻
Step-by-step explanation: I took the quiz and got it corrected. ヾ(^▽^*)))
LMNO id a parallelogram. If NM =x +30 and OL=4x +9, find the value of X NM AND OL
Therefore , the solution of the given problem of parallelograms comes out to be NM and OL both equal 37.
What is parallelograms?
In Euclidean mathematics, a parallelogram is actually a simple hexagon with two distinct groups and equal distances. A specific kind of quadrilateral called a parallelogram is formed when both sets of sides equally share a horizontal path. Parallelograms come in four different varieties, three of which are mutually exclusive.
Here,
Since LMNO is a parallelogram, we know that the lengths of the opposing sides are identical. Therefore, we can equalize the NM and OL formulas, then solve for x:
=> OL = 4x + 9 and
=> NM = x + 30
=> OL = x + 30
=> 4x + 9 = NM
=> 3x = 21
=> x = 7
We have thus established that x = 7. In order to discover the values for NM and OL, we can put this value back into the expressions for those variables:
=> NM = x + 30 = 7 + 30 = 37
=> OL = 4x + 9 = 4(7) + 9 = 37
As a result, NM and OL both equal 37.
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The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males. Which of the following conclusions is most accurate?
Based on the information provided about the scatterplot, we can draw a conclusion by analyzing the data points and their correlation with individual's weight and time it takes to raise their pulse rate to 140 beats per minute.
Step 1: Observe the scatterplot and identify the patterns or trends in the data.
Step 2: Compare the o's (females) and the +'s (males) to see if there are noticeable differences or similarities in the data.
Step 3: Determine if there is a positive, negative, or no correlation between weight and time taken to reach 140 beats per minute.
Step 4: Based on the observations, draw a conclusion about the most accurate statement regarding the data. Unfortunately, I cannot see the scatterplot itself, so I am unable to provide you with the most accurate conclusion.
However, using these steps, you can analyze the scatterplot and determine the correct conclusion.
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By the 46th day, there are 400 water lilies in the pond. the estimate you made:____.a. close to 46 (or exactly right) because it was estimated well.b. too low because the quick exponential growth was not accounted for. c. too high because the exponential growth was overestimated.
By the 46th day, there are 400 water lilies in the pond. the estimate you made: a). close to 46 (or exactly right) because it was estimated well.
We know that the regression equation is: y = 3.915(1.106)ˣ and that the pond can hold 400 water lilies.
y = 3.915(1.106)ˣ
Here, y is equal to the number of water lilies the pond can hold.
So, y = 400
And, x is the required time taken.
So,
400 = 3.915(1.106)ˣ
⇒ (1.106)ˣ = 400/3.915
⇒ (1.106)ˣ = 102.17
Taking logarithm on both sides, we get
log (1.106)ˣ = log (102.17)
⇒ x log (1.106) = log (102.17) .............. [log aˣ = x loga]
⇒ x = [log (102.17)/log (1.106)]
⇒ x = 45.92
x ≅ 46
So, the pond will take 46 days to become full.
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Complete question:
Regression equation: y = 3.915(1.106)ˣ . The pond can hold 400 water lilies. by what day will the pond be full? write and solve an equation. the pond will be full by the end of day.
Answer:
b
Step-by-step explanation:
just did it
the fifth term of an AP is -15, second term is 0 find the
(a) first term
(b) common difference
Answer:
a) The first term of an AP can be found using the formula for the nth term of an AP, which is a + (n-1)d, where a is the first term, d is the common difference, and n is the position of the term.
Using this formula, we can substitute the known values: -15 = a + (5-1)d
-15 = a + 4d
To find the first term, we will have to solve for a by isolating it on one side of the equation:
a = -15 - 4d
b) To find the common difference, we can use the relation between the second and fifth term.
The fifth term of an AP is -15, and the second term is 0, so we can use the formula for the nth term of an AP to find the common difference:
-15 = a + (5-1)d
-15 = a + 4d
To find the common difference, we will have to solve for d by isolating it on one side of the equation:
d = (-15 - a) / 4
Emmet had c caramels. Then his sister took 5 of the caramels. Write an expression that shows the number of caramels Emmet has left.
Answer:
C - 5
Step-by-step explanation:
We know
Emmet had c caramels
His sister took 5 caramels, that means subtract 5, so the equation is
c - 5
What is the slope of the line graphed below?
О А. 1/4
OB. 4
OC -1/4
D. -4
SOMEBODY PLEASE HELP DUEE IN 20 MINUTES!!
Explain the meaning of “net” drawing. Provide an example.
The net of a 3D figure is the 2D surface area all laid out flat. One example would be that you have a box and you unwrapped the wrapping paper, placing it all flat on the table. By "placing it flat", I mean there are no portions that overlap. A 2D net is useful to help see that surface area is really just area. Specifically, surface area is the total area of each face of the 3D polyhedron.
One edge of a painting is 6 in. longer than the other edge. The picture has a 2-inch-wide frame. Write a quadratic function f in standard form to represent the total area of the picture and frame. Then find the total area of the picture and the frame if its longer edge is 14 inches long.
Answer:
One edge of a painting is 6 in. longer than the shorter edge. The picture has a 2-in.-wide frame. There is one rectangle inside the other rectangle. The distance between two edges of two rectangles is 2. The length of the rectangle is x + 6 and width is x. The portion between two rectangles is shaded. Part A Which quadratic function represents the total area of the picture and frame? A. f(x) = x2 + 8x + 12 B. f(x) = x2 + 10x + 24 C. f(x) = x2 + 12x + 32 D. f(x) = x2 + 14x + 40 Part B What is the total area of the %3D %3D framed picture if its shorter edge is 8 inches long? Enter your answer in the box. _in.2 x+ 6
we can find the tax rate on the $78 item that cost $82.68 after tax by using the equation
Answer:
There is no question, can you type it?
Step-by-step explanation:
One of the variables required for the experiment is the room temperature. The temperature of the room is measured at 20.0 °C. What is the temperature in Kelvin?
The Temperature in Kelvin is 293.15 K.
To convert temperature from degrees Celsius (°C) to Kelvin (K), you can use the following formula:
Temperature in Kelvin = Temperature in Celsius + 273.15
Given that the room temperature is measured at 20.0 °C, we can calculate the temperature in Kelvin as follows:
Temperature in Kelvin = 20.0 °C + 273.15
Temperature in Kelvin = 293.15 K
Therefore, the temperature in Kelvin is 293.15 K.
The Kelvin scale is an absolute temperature scale where 0 K represents absolute zero, the point at which all molecular motion ceases. The Kelvin scale is widely used in scientific and engineering applications, especially in situations where precise temperature measurements and calculations are necessary.
It's important to note that the Kelvin scale does not use the degree symbol (°) when denoting temperature. Instead, temperatures are simply expressed in Kelvins (K) as a unit of measurement.
Converting temperatures between Celsius and Kelvin is a simple process and involves adding or subtracting the appropriate value (273.15) to or from the temperature in Celsius. This conversion is useful in many scientific calculations and ensures consistency and accuracy when working with temperature data.
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Answer:
293.15 K.
Step-by-step explanation:
A dilation has center (0, 0). Find the image of each point for the given scale factor.
A(3,4);D7(A)
The image of point A(3, 4) under the dilation with a scale factor of 7 is D7(A) = (21, 28).
To find the image of point A(3, 4) under the dilation with a scale factor of 7, we multiply the coordinates of point A by the scale factor.
The formula for dilation with center (0, 0) is given by (x', y') = (k * x, k * y), where (x, y) represents the original point and (x', y') represents the image point after dilation, and k is the scale factor.
Applying the formula, we have:
\(x' = 7 * 3 = 21\)
\(y' = 7 * 4 = 28\)
Therefore, the image of point A(3, 4) under the dilation with a scale factor of 7 is D7(A) = (21, 28).
The coordinates of the image point are (21, 28). This means that the image point is obtained by stretching the original point A(3, 4) by a factor of 7 from the origin (0, 0).
Note that in a dilation, the distances from the center of dilation to the original point and its image are proportional to the scale factor. In this case, the distance from (0, 0) to A(3, 4) is multiplied by 7 to obtain the distance from (0, 0) to D7(A) (21, 28).
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Solve for the indicated variable
x=3y for y
Answer:
\(y = \frac{x}{3} \)
Step-by-step explanation:
divide both sides by 3 to get the answer
Please help Ill give brainy pleas help
11. Simplify |-16| - |-10|.
202606 ☑Explanation –
\(\qquad\) \(\twoheadrightarrow\sf |-16| - |-10| \)
\(\qquad\) \(\twoheadrightarrow\sf 16-10\)
\(\qquad\) \(\twoheadrightarrow\bf \underbrace {16-10}\)
\(\qquad\) \(\twoheadrightarrow\sf 6\)
\(\qquad\) \(\red{\bf{ {Answer = 6 }}} \)
_____________________________________________
help me plzzzzz!!!!!
Find the volume of the rectangular prism. 4 cm 3 cm 2 cm
The volume of the rectangular prism is 24 cm³
Calculating the volume of a rectangular prism
From the question, we are to calculate the volume of the rectangular prism with the given measurements
The given measurements are 4 cm, 3 cm, and 2 cm.
The volume of a rectangular prism can be calculated by using the formula,
Volume = Length × Width × Height
From the given information,
Let length = 4 cm
width = 3 cm
and height = 2 cm
Thus,
The volume of the rectangular prism is
Volume = 4 cm × 3 cm × 2 cm
Volume = 24 cm³
Hence, the volume is 24 cm³
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If a turkey weighs 16 pounds, how many calories does it have? (remember there are
170 calories in 4 ounces of turkey)
Hey What is -5t > 10
Answer: 10 (ten) is an even number
following 9 and preceding 11
Step-by-step explanation:
Ryan invested \$4,800$4,800 in an account in the year 1990, and the value has been growing exponentially at a constant rate. The value of the account reached \$6,300$6,300 in the year 1998. Determine the value of the account, to the nearest dollar, in the year 2007.
well, from 1990 to 1998 is 8 years, and we know the amount went from $4800 to $6300, let's check for the rate of growth.
\(\qquad \textit{Amount for Exponential Growth} \\\\ A=P(1 + r)^t\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$6300\\ P=\textit{initial amount}\dotfill &\$4800\\ r=rate\to r\%\to \frac{r}{100}\\ t=\textit{years}\dotfill &8\\ \end{cases} \\\\\\ 6300=4800(1 + \frac{r}{100})^{8} \implies \cfrac{6300}{4800}=(1 + \frac{r}{100})^8\implies \cfrac{21}{16}=(1 + \frac{r}{100})^8\)
\(\sqrt[8]{\cfrac{21}{16}}=1 + \cfrac{r}{100}\implies \sqrt[8]{\cfrac{21}{16}}=\cfrac{100+r}{100} \\\\\\ 100\sqrt[8]{\cfrac{21}{16}}=100+r\implies 100\sqrt[8]{\cfrac{21}{16}}-100=r\implies \stackrel{\%}{3.46}\approx r\)
now, with an initial amount of $4800, up to 2007, namely 17 years later, how much will that be with a 3.46% rate?
\(\qquad \textit{Amount for Exponential Growth} \\\\ A=P(1 + r)^t\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\dotfill &4800\\ r=rate\to 3.46\%\to \frac{3.46}{100}\dotfill &0.0346\\ t=years\dotfill &17\\ \end{cases} \\\\\\ A=4800(1 + 0.0346)^{17} \implies A=4800(1.0346)^{17}\implies A \approx 8558.02\)
You show up early in the morning to buy tickets for a concert but you find a long line and are told that the average time between arrivals has been about 15 minutes. a. What is the chance you will loose my place at the end of the line, if after just arriving, you leave for 5 minutes to use the restroom? b. What is the probability that zero, one, or two arrivals will come during your five minute rest break?
(a) The probability that you lose your place in line during the 5-minute break is 28.35%. (b) The probability that zero, one, or two arrivals will come during your five minute rest break is 99.34%.
(a) The probability that you will lose your place is equal to probability that at least one person arrives during this time. Let X be number of arrivals during 5-minute break. Then X follows a Poisson distribution with a mean of (1/15) × 5 = 1/3 arrivals during 5-minute break.
Thus, the probability that you lose your place in line during the 5-minute break is:
P(X ≥ 1) = 1 - P(X = 0)
= 1 - (e^(-1/3) (1/3)^0 / 0!)
≈ 0.2835
Therefore, the chance that you lose your place in line during the 5-minute break is approximately 28.35%.
(b) The number of arrivals during the 5-minute break follows a Poisson distribution with a mean of 1/3 arrivals.
P(X = 0) = e^(-1/3) (1/3)^0 / 0! ≈ 0.7165
P(X = 1) = e^(-1/3) (1/3)^1 / 1! ≈ 0.2388
P(X = 2) = e^(-1/3) (1/3)^2 / 2! ≈ 0.0381
Therefore, the probability that zero, one, or two arrivals will come during your five-minute rest break is approximately:
P(X ≤ 2) = P(X = 0) + P(X = 1) + P(X = 2)
≈ 0.9934
Thus, the probability that at most two arrivals will come during your break is approximately 99.34%.
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help please I’ll mark brainliest!
A. The relationship between ∠7 and ∠8 is that they are vertically opposites angles and they are equal.
B. Since 5y-29 and 3y+19 are vertically opposites angles, we can say equate the two angles (i.e. 5y-29 = 3y+19) and then solve for y.
C. y = 24, ∠7 = 89° and ∠8 = 89°
How to classify the relationship between ∠7 and ∠8?Angle geometry deals with the study of angles, their measurement, and their properties. An angle is formed when two lines or line segments intersect each other at a point.
A. The relationship between ∠7 and ∠8 is that they are vertically opposites angles. Since vertically opposites angles are equal, we can say ∠7 = ∠8.
B. Since 5y-29 and 3y+19 are vertically opposites angles, we can say equate the two angles (i.e. 5y-29 = 3y+19) and then solve for y
C. 5y-29 = 3y+19
5y-3y= 19 + 29
2y = 48
y = 48/2
y = 24
Let's find either the value of 5y-29 or 3y+19:
Put y = 24 in 5y-29
5y-29 = 5(24) - 29 = 91°
∠7 + (5y-29) = 180° (sum of angles on a straight line is 180°)
∠7 + 91° = 180°
∠7 = 180 - 91 = 89°
Since ∠7 = ∠8
∠8 = 89°
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Fill out the table as we did in class for the following:
a) y= 3x + 1
b) y= 2x - 5
c) y = - 2x - 2
All between the values of - 3< x < 3
Answer:
Step-by-step explanation:
Construct a 2-columned table for each function. Arbitrarily choose x values to go into the first column, values between -3 and +3:
Example, for y = 3x + 1:
x y = 3x + 1 (x, y)
--------------------------------
-2 3(-2) + 1 (-2, -5)
0 3(0) + 1 (0, 1)
1
2
x is the "independent variable." You choose the values, subject to the requirement that -3 < x < +3. The function will return the y values, which are dependent upon the inputs x. This will give you a good number (e. g., 5) points to plot. Draw a line through these points to obtain a graph of
y = 3x + 1. And so on. You need to go through this procedure once for each of the 3 given functions.
if a short-day (long-night) plant flowers, you know that it received if a short-day (long-night) plant flowers, you know that it received more consecutive hours of darkness than its critical period. fewer consecutive hours of darkness than its critical period. fewer consecutive hours of light than its critical period. more consecutive hours of light than its critical period.
If a short-day (long-night) plant flowers, you know that it received more consecutive hours of darkness than its critical period.
This is because short-day plants (also known as long-night plants) require a certain period of uninterrupted darkness (usually around 12-16 hours) to trigger flowering. If the plant receives more hours of darkness than its critical period, it will flower.
If it receives fewer hours of darkness than its critical period, it will not flower. Similarly, long-day (short-night) plants require a certain period of uninterrupted light to trigger flowering. If they receive more hours of light than their critical period, they will flower, but if they receive fewer hours of light than their critical period, they will not flower.
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what is the sum of squares of sample means about the grand mean? please round your answer to two decimal places.
Sum of squares of sample means about the grand mean is 6463.27 .
Firstly,
SS(error) = SS(total) - SS(treatments)
=8474.79-2011.52
=6463.27
Now,
df (treatments)=SS (treatments) / MS (treatments)
= 2011.52/287.36
= 7
Now,
df (error) = 18-7
=11
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Calculation table and question table is attached below .
Please help me respond this question
Check the picture below.
Answer:
14.1
Step-by-step explanation:
You add all of your numbers up, and then you divide by how many numbers you have.
Slove the system of linear equations by graphing y=-x+7 y=x-1
Answer:
no
Step-by-step explanation:
2^2 + 4 (5) - 7 x 2 =
Find an equation of the line that passes through the point (2, 4) and is perpendicular to the line 8x + 7y − 4 = 0.
An equation of the line that passes through the point (2, 4) and is perpendicular to the line 8x + 7y − 4 = 0 is y = -4x + 4.
To find the equation of a line that passes through a given point and is perpendicular to another line, you can use the slope-intercept form of a linear equation, which is given by y = mx + b, where m is the slope of the line and b is the y-intercept, which is the point where the line crosses the y-axis.
In this case, the line 8x + 7y − 4 = 0 has a slope of -7/8. To find the equation of a line that is perpendicular to this line and passes through the point (2, 4), we need to find the slope of the perpendicular line, which is -1/(-7/8) = 8/7. Then, we can use the point (2, 4) and the slope (8/7) to find the y-intercept of the line, which is the value of b in the equation y = mx + b.
Substituting the coordinates of the point (2, 4) and the value of the slope (8/7) into the equation, we get 4 = (8/7) * 2 + b, which can be simplified to 4 = 16/7 + b. Solving for b, we get b = 4 - 16/7 = 28/7 - 16/7 = 12/7.
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Superstar Toy Shop is having its annual holiday sale, when every toy in the store gets marked down. During the sale, Pamela purchases 4 Mighty Mare toy ponies to add to her collection, each at $3 less than its full price. Pamela pays a total of $52.
Which equation can you use to find the amount of money, x, each Mighty Mare toy pony costs at full price?
Let x be the full price of each Mighty Mare toy pony.
During the holiday sale, Pamela purchased each toy at $3 less than its full price. Therefore, the price she paid during the sale was:
x - $3
Since she bought 4 of these toys, her total cost during the sale was:
4(x - $3)
We also know that Pamela paid a total of $52 during the sale. Therefore, we can set up an equation:
4(x - $3) = $52
Simplifying this equation, we get:
4x - $12 = $52
Adding $12 to both sides, we get:
4x = $64
Dividing both sides by 4, we get:
x = $16
Therefore, each Mighty Mare toy pony costs $16 at full price.
Let's assume that the full price of each Mighty Mare toy pony is x dollars. Since Pamela purchased 4 Mighty Mare toy ponies, each at $3 less than its full price, the cost of each toy pony during the sale would be (x - 3) dollars.
To find the equation that represents this situation, we can set up the equation based on the given information:
4 * (x - 3) = 52
In this equation, 4 represents the number of Mighty Mare toy ponies purchased, (x - 3) represents the cost of each toy pony during the sale, and 52 represents the total amount paid by Pamela.
By solving this equation, we can determine the value of x, which represents the full price of each Mighty Mare toy pony.
a) Explain the concept of a greedy algorithm. b) Provide an example of a greedy algorithm that produces an optimal solution and explain why it produces an optimal solution. c) Provide an example of a greedy algorithm that does not always produce an optimal solution and explain why it fails to do so.
a) A greedy algorithm is an approach to problem-solving that makes the locally optimal choice at each step with the hope of finding a globally optimal solution.
This means that at each step, the algorithm chooses the best available option without considering the future consequences of that decision.
(b) An example of a greedy algorithm that produces an optimal solution is the activity selection problem.
Given a set of activities with their start and end times, the goal is to select the maximum number of non-overlapping activities. The greedy algorithm sorts the activities by their end times and selects the first non-overlapping activity.
It then repeats this process with the remaining non-overlapping activities until all activities have been selected. This algorithm produces an optimal solution because selecting the activity with the earliest end time leaves the maximum amount of time available for the remaining activities.
(c) An example of a greedy algorithm that does not always produce an optimal solution is the knapsack problem.
Given a set of items with their weights and values, the goal is to maximize the value of items that can be carried in a knapsack of a given weight capacity. The greedy algorithm selects items based on their value-to-weight ratio until the knapsack is full.
However, this algorithm can fail to produce an optimal solution if there are items with high value but large weight, which cannot fit in the knapsack after the algorithm selects several low-value items with small weight. In such cases, a more sophisticated algorithm is required to find the optimal solution.
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