Answers
The decimal 0.222... rewritten as a fraction is; 2/9
How to convert decimal to fraction?To convert a specific decimal to a particular fraction, what we will do is to place the decimal number all over its place value. For example, in 0.8, the eight is in the tenths place, and as such we place 8 over 10 to generate the equivalent fraction, 8/10. However, if required, then we can simplify the fraction.
We want to convert the decimal 0.222... to fraction. Thus, we have;
222/1000
Divide both the numerator and the denominator by 2 to get;
111/500
Now, 0.2222… is equal to the fraction with 2 in its numerator (since that’s the single number after the decimal point that’s repeating over and over again) and 9 in its denominator. In other words, 0.2222… = 2/9.
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Related Questions
In the scale drawing of the base of a rectanglar swimming pool, the pool is 8. 5 inches long and 4. 5 inches wide. If 1 inch on the scale drawing is equivalent to 4 meters of actual length, what are the actual length and width of the swimming pool
Answers
The actual length and width of the swimming pool are 34 meters and 18 meters, respectively, based on a scale of 1 inch to 4 meters.
Based on the given information, we know that the scale of the drawing is 1 inch to 4 meters. This means that every 1 inch on the drawing represents 4 meters in actual length.
The length of the swimming pool on the drawing is given as 8.5 inches. To find the actual length of the swimming pool, we need to multiply the length on the drawing by the scale factor:
Actual length of the swimming pool = 8.5 inches x 4 meters/inch = 34 meters
Similarly, the width of the swimming pool on the drawing is given as 4.5 inches. To find the actual width of the swimming pool, we can use the same formula:
Actual width of the swimming pool = 4.5 inches x 4 meters/inch = 18 meters
Therefore, the actual length of the swimming pool is 34 meters and the actual width is 18 meters.
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Illustrate a probability distribution of a random variable X showing the number of face mask sold per day and its corresponding probabilities.
DAY. X
1. 14
2. 15
3. 10
4. 12
5. 10
6. 15
7. 14
8. 15
9. 20
10. 25
Answers
Looking at the corresponding probability in the distribution will allow you to determine the likelihood of selling a specific quantity of face masks each day.
Here is the probability distribution for the number of face masks sold per day:
X P(X)
10 0.2
12 0.1
14 0.2
15 0.3
20 0.1
25 0.1
To find the probability of selling a certain number of face masks per day, you look at the corresponding probability in the distribution. For example, the probability of selling 15 face masks per day is 0.3.
Note that the probabilities sum to 1, which is a requirement for any probability distribution.
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Make a the subject of this formula:
a + p = f
Answers
Answer:
To make a the subject of the formula, we need to isolate it on one side of the equation.
Starting with:
a + p = f
Subtracting p from both sides, we get:
a = f - p
Therefore, the formula for a as the subject is:
a = f - p
Step-by-step explanation:
Isla flipped a coin 30 times. The coin landed heads up 9 times and tails up 21 times.
Part A: Based on the results, what is the experimental probability of the coin landing heads up? Show your work. (5 points)
Part B: What is the theoretical probability of the coin landing heads up? Show your work. (5 points)
Answers
Answer:Which of the following is part of the set of integers?
negative whole numbers
zero
natural numbers
positive whole numbersWhich of the following is part of the set of integers?
negative whole numbers
zero
natural numbers
positive whole numbers
Step-by-step explanation:
i need help on this question
Answers
Answer:[tex]180\pi[/tex]
Step-by-step explanation:
[tex]v=\pi rx^{2} h\\v=\pi 6^{2} 5\\\\v=180\pi[/tex]
Tree house Base, Scale of 1 : 21:
Model: ? in. Actual: 7 ft
Answers
The length of the tree house with a base of 7 ft on the model is given as follows:
1/3 ft.
How to obtain the length of the model?The length of the model is obtained applying the proportions in the context of the problem.
The scale is a ratio that relates the size of a drawing or map to the actual size of the object or area being represented. It indicates how much the drawing or map has been reduced or enlarged in size from the actual object or area.
Hence the scale of 1:21 means that each ft on the drawing represents 21 ft of actual distance, hence the length of the drawing for an actual distance of 7 ft is given as follows:
1/21 x 7 = 1/3 ft.
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I need help with this please
Answers
ask your teacher. She/he might be able to help you.
A, B and C lie on a straight line.
Given that angle
y
= 95° and angle
z
= 330°, work out
x
.
Answers
The angle x has a measure of -55°. It is important to note that this negative angle indicates that the angle is oriented in the opposite direction from the others, but it is still considered a valid angle measure.
The value of angle x when A, B, and C lie on a straight line, angle y = 95°, and angle z = 330°.
To find the value of angle x, we can use the property of angles that states the sum of angles on a straight line is always 180°.
The value of angle w, which is the angle between y and z.
Since angle y = 95° and angle z = 330°, angle w can be calculated by subtracting angle y from angle z:
w = z - y
w = 330° - 95°
w = 235°
As A, B, and C lie on a straight line, the sum of angles x, w, and y should be equal to 180°.
Therefore, we can set up the equation:
x + w + y = 180°
Substitute the values of w and y into the equation.
x + 235° + 95° = 180°
Solve for x.
x = 180° - 235° - 95°
x = -150°
Since the value of x is negative, it indicates that angle x is in the opposite direction of the positive angle measurement. Thus, the value of angle x is 150° in the opposite direction.
In conclusion, angle x is 150° in the opposite direction when A, B, and C lie on a straight line, angle y = 95°, and angle z = 330°.
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A number ,x, rounded to 2 decimal places is 15. 38 whats the error interval for x
Answers
To calculate the error interval for x, we must analyse the probable range of values for x before it was rounded to 15.38. Because x was rounded to two decimal places, we know it is between two values.
The biggest number that can be rounded down to 15.38 is 15.375, and the smallest number that can be rounded up to 15.38 is 15.385. As a result, the error range for x is [15.375, 15.385]. The error interval for a rounded integer is the range of possible values for the original number before rounding. The integer x was rounded to 15.38 with two decimal places in this example. To calculate the error interval Consider the highest and lowest feasible numbers for x that might have been rounded to 15.38. We consider the number that ends in.385 for the highest possible value. If x was larger or equal to this value, it was rounded up to 15.39. As a result, the greatest possible value for x is 15.385. Consider the number that ends in.375 for the least feasible value. If x was less than or equal to this value, it was rounded down to 15.37. As a result, the least number that x might have been is 15.375. As a result, the error interval for x is comprised of values ranging from 15.375 to 15.385, inclusive. This might be any number.
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First Bank recognized an extraordinary loss from the settlement of a lawsuit with Fifth Street Bank that it had impeded on a processing patent. The extraordinary loss was in the amount of \( \$ 4,250,000 and First Bank Corporation has an effective tax rate of 35%. First Bank paid the settlement immediately and recognized the tax benefit as a receivable to offset the current period’s taxes.
Instruction
a. Prepare the extraordinary item portion of First Bank Corporation’s financial statement.
Answers
By answering the presented question, we may conclude that as a result, equation the unusual item component of First Bank Corporation's financial statement would reflect a $2,762,500 loss.
What is equation?A math equation is a technique that links two assertions and denotes equivalence using the equals sign (=). In algebra, an equation is a mathematical statement that proves the equality of two mathematical expressions. For example, in the equation 3x + 5 = 14, the equal sign separates the numbers 3x + 5 and 14. A mathematical formula may be used to understand the link between the two phrases written on either side of a letter. The logo and the programmed are usually interchangeable. As an example, 2x - 4 equals 2.
The following formula must be used to calculate the exceptional item component of First Bank Corporation's financial statement:
Exceptional Loss = Settlement - Tax Advantage
where:
The total settlement sum is $4,250,000.
35% tax rate
Settlement amount * tax rate = $1,487,500 tax benefit
As a result, the Exceptional Loss is:
$4,250,000 - $1,487,500 = $2,762,500 Exceptional Loss
As a result, the unusual item component of First Bank Corporation's financial statement would reflect a $2,762,500 loss.
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The population of country A was 40 million in the year 2000 and has grown continually in the years
following. The population P, in millions, of the country t years after 2000 can be modeled by the function
P(t) = 40e0.027, where t > 0.
For another country, country B, the population M, in millions, t years after 2000 can be modeled by the
function M(t) = 35e0.042t, where t≥ 0.
Based on the models, what year will be the first year in which the population of country B will be greater
than the population of country A?
Answers
Answer:check explanation
Step-by-step explanation:
We would apply the formula for exponential growth which is expressed as
y = b(1 + r)^ t
Where
y represents the population after t years.
t represents the number of years.
b represents the initial population.
r represents rate of growth.
From the information given,
b = 40 × 10^6
r = 2.7% = 2.7/100 = 0.027
a) Therefore, exponential model for the population P after t years is
P = 40 × 10^6(1 + 0.027)^t
P = 40 × 10^6(1.027)^t
b) t = 2020 - 2000 = 20 years
P = 40 × 10^6(1.027)^20
P = 68150471
c) when P = 90 × 10^6
90 × 10^6 = 40 × 10^6(1.027)^t
90 × 10^6/40 × 10^6 = (1.027)^t
2.25 = (1.027)^t
Taking log of both sides to base 10
Log 2.25 = log1.027^t = tlog1.027
0.352 = t × 0.01157
t = 0.352/0.01157 = 30.4 years
What is the volume of the following figure?
cubic units
Front View Back View
Answers
Volume of a cube is given by side × side × side. By using the equation the volume of the given figure can be determined as 28 cubic units.
In the given figure the whole figure is divided into unit cubes. A unit cube means a cube having a unit value as all its sides. To calculate the volume of such a figure, we have to determine the number of unit cubes and multiply it by the volume of the cube.
Volume of 1 unit cube = 1 cubic units
We have to count the number of unit cubes in it. From the front view, we can see that there are three rows and each having two cubes and there are four such columns.
So the number of cubes = 3× 4 = 12
In the back row there are 4×4 cubes = 16 cubes
Total number of cubes = 12 + 16 = 28
So the volume = 28 × 1 cubic unit = 28 cubic units.
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please help
see below
Answers
the angle will be Ф = 66.4°
What is Trigonometric Functions?
Trigonometry uses six fundamental trigonometric operations. Trigonometric ratios describe these operations. The sine function, cosine function, secant function, co-secant function, tangent function, and co-tangent function are the six fundamental trigonometric functions. The ratio of sides of a right-angled triangle is the basis for trigonometric functions and identities. Using trigonometric formulas, the sine, cosine, tangent, secant, and cotangent values are calculated for the perpendicular side, hypotenuse, and base of a right triangle.
the given triangle
cosФ = 10/25
Ф = 66.4°
Hence the angle will be Ф = 66.4°
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Suppose we have a continuous random variable that varies from 0 to 15. How would we find the probability that the random variable takes on a value in the interval [3,6]?
Answers
The probability that X lies in the interval [3, 6] is given by:P(3 ≤ X ≤ 6) = ∫3 6f(x)dx.
Suppose we have a continuous random variable that varies from 0 to 15.
To find the probability that the random variable takes on a value in the interval [3,6], we must first calculate the area under the curve within the given interval.
This is accomplished by calculating the integral of the probability density function (PDF) of the random variable, between the two endpoints of the interval. The resulting value is the probability that the random variable takes on a value within the given interval.
To begin, let's consider the probability density function (PDF) of the random variable, f(x), which is the function that describes the likelihood that the random variable will take on any given value within its range. The PDF will be a continuous function that has a positive value for all values of x between 0 and 15, and the area under the PDF will be equal to 1, indicating that the sum of all possible values of the random variable will be 1.
We can then calculate the area under the PDF between the two endpoints of the interval [3,6], which can be represented as the integral of the PDF, f(x), from 3 to 6. This can be written as the following equation: Probability of random variable in interval [3,6] = ∫36f(x)dx.
This integral represents the area under the PDF of the random variable between the two endpoints of the interval, and its value will be the probability that the random variable takes on a value within the given interval.
OR- Given the continuous random variable varies from 0 to 15, and we have to find the probability that the random variable takes on a value in the interval [3,6]. So, let's proceed step by step.What is a continuous random variable?A continuous random variable is a variable that takes on any value within a specified range of values.
In other words, any value within the range of values can occur. Continuous random variables can be measured, such as weight, height, time, and distance. Continuous random variables can't be counted, such as the number of heads in 20 coin flips or the number of cars in a parking lot, and so on.
The probability of a continuous random variable is the area under the probability density function (PDF) that falls in the interval of interest. The probability density function (PDF) must be non-negative and integrate to 1.0 over the whole domain.
Suppose we have a probability density function (PDF) f(x) for a continuous random variable X with support S, and we want to calculate the probability that X lies in the interval [a, b], where a and b are any two numbers in S, and a ≤ b. To compute the probability, we find the area under the PDF between a and b. This is given by the integral of the PDF f(x) over the interval [a, b].
Therefore, the probability that X lies in the interval [a, b] is given by:P(a ≤ X ≤ b) = ∫a bf(x)dx Suppose we want to calculate the probability that the random variable X takes on a value in the interval [3, 6].
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A biologist is studying rainbow trout that live in a certain river and she estimates their mean length to be 529 millimeters. Assume that the lengths of these
rainbow trout are normally distributed, with a standard deviation of 70 millimeters.
use this table or the aleks calculator to find the percentage of rainbow trout in the river that are longer than 487 millimeters. For your intermediate
computations, use four or more decimal places. Give your final answer to two decimal places (for example 98. 23%).
ok
Answers
The percentage of rainbow trout in the river that are longer than 487 millimeters is 85.78%.
The biologist is studying rainbow trout that live in a certain river and has estimated their mean length to be 529 millimeters. Assuming that the lengths of rainbow trout in this river are normally distributed, with a standard deviation of 70 millimeters, we can use the Z-score formula to calculate the percentage of rainbow trout that are longer than 487 millimeters.
The Z-score formula is z = (x - μ) / σ. Where μ is the population mean and σ is the population standard deviation.
In this case, we are looking for the percentage of trout that are longer than 487 millimeters. So, x = 487, μ = 529, and σ = 70.
Plugging in the values, we get z = (487-529) / 70 = -0.42.
To find the percentage of trout that are longer than 487 millimeters, we must look at the cumulative normal distribution table. The table tells us that the percentage of trout that are longer than 487 millimeters is 85.78%.
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Deshaun runs each lap in 4 minutes. He will run at most 7 laps today. What are the possible numbers of minutes he will run today?
Use t for the number of minutes he will run today.
Write your answer as an inequality solved for t.
this question is an inequality o please write ur answer as one
Answers
The inequality is t ≤ 28.
What is inequality?Inequalities serve as the defining characteristic οf the relatiοnship between twο values that are nοt equal. Equal dοes nοt imply inequality. Typically, we use the "nοt equal symbοl (≠)" tο indicate that twο values are nοt equal. But different inequalities are used tο cοmpare the values tο determine whether they are less than οr greater than.
Given that Deshaun runs each lap in 4 minutes. He will run at mοst 7 laps tοday.
Assume that t fοr the number οf minutes he will run tοday.
He will run at mοst 7×4 = 28 minutes.
The symbοl οf at mοst is ≤.
The inequality is t ≤ 28
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14. Which of the following points is the
greatest distance from the origin?
F. (6,4)
G. (0,9)
H. (-3, -8)
J. (3,-4)
K. (-6, 8)
Answers
help asap!!!!!!!!!!!!!!!!
Answers
4. (a) circumference of the figure: 2 * 22/7 * 3 = 18.86 cm
(b) Area of the figure: 22/7 * 3² = 28.29 cm²
5. (a) circumference of the figure: 22/7 * 35 = 110 ft
(b) Area of the figure: 22/7 * (35/2)² = 962.5 ft²
How to find the area and circumference of a circle?The area of a circle is given by the formula:
A = πr²
where r is the radius of the circle
The circumference of a circle is given by the formula:
C = 2πr or πd (Recall: d = 2r)
where r is the radius and d is the diameter of the circle
No. 4
r = 3 cm
(a) C = 2πr
C = 2 * 22/7 * 3 = 18.86 cm
(b) A = πr²
A = 22/7 * 3² = 28.29 cm²
No. 5
d = 35 ft
(a) C = πd
C = 22/7 * 35 = 110 ft
(b) A = πr²
A = 22/7 * (35/2)² = 962.5 ft²
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If polygon ABCD rotates 70° counterclockwise about point E to give polygon A'B'C'D', which relationship must be true?
A.
BB' = DD'
B.
m∠ABC < m∠A'B'C'
C.
m∠ABC > m∠A'B'C'
D.
A'E' = AE
Answers
Option D is true, as the distance from any point to the axis of rotation remains the same after a rotation. Therefore, A'E' is equal to AE.
What is polygon?A polygon is a two-dimensional geometric shape that has three or more straight sides and angles. Polygons are classified according to the number of sides they have, and the most common polygons include triangles (3 sides), quadrilaterals (4 sides), pentagons (5 sides), hexagons (6 sides), heptagons (7 sides), octagons (8 sides), and so on. In a polygon, each straight line segment that connects two vertices is called a side, and each point where two sides intersect is called a vertex. The interior of a polygon is the region bounded by its sides and angles.
Here,
When polygon ABCD rotates 70° counterclockwise about point E to give polygon A'B'C'D', the corresponding sides and angles of the polygons will remain congruent. Therefore, option A is false as BB' and DD' are not corresponding sides.
Option B may or may not be true. If polygon ABCD is a regular polygon, then all the interior angles are equal, and m∠ABC is equal to m∠A'B'C'. However, if the polygon is not regular, then m∠ABC and m∠A'B'C' may have different measures.
Option C may or may not be true, for the same reason as option B. If polygon ABCD is a regular polygon, then all the interior angles are equal, and m∠ABC is equal to m∠A'B'C'. However, if the polygon is not regular, then m∠ABC and m∠A'B'C' may have different measures.
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An analyst estimates that the probability of default on a seven-year AA-rated bond is 0.53, while that on a seven-year A-rated bond is 0.47. The probability that they will both default is 0.39.
a. What is the probability that at least one of the bonds defaults? (Round your answer to 2 decimal places.)
b. What is the probability that neither the seven-year AA-rated bond nor the seven-year A-rated bond defaults? (Round your answer to 2 decimal places.)
c. Given that the seven-year AA-rated bond defaults, what is the probability that the seven-year A-rated bond also defaults? (Round your answer to 2 decimal places.)
Answers
The probability that the A-rated bond defaults given that the AA-rated bond defaults is approximately 0.74.
What is probability?
Probability is a branch of mathematics in which the chances of experiments occurring are calculated.
a. To find the probability that at least one of the bonds defaults, we can use the complement rule: the probability that neither bond defaults is (1 - 0.53) * (1 - 0.47) = 0.27, since the events are independent. Therefore, the probability that at least one bond defaults is 1 - 0.27 = 0.73. So the answer is 0.73.
b. The probability that neither bond defaults is (1 - 0.53) * (1 - 0.47) = 0.27, as calculated above.
c. We want to find the conditional probability that the A-rated bond defaults given that the AA-rated bond defaults, which can be expressed as P(A defaults | AA defaults). We can use Bayes' theorem to calculate this probability:
P(A defaults | AA defaults) = P(AA defaults and A defaults) / P(AA defaults)
From the problem statement, we know that P(AA defaults) = 0.53 and P(AA defaults and A defaults) = 0.39. Therefore,
P(A defaults | AA defaults) = 0.39 / 0.53 ≈ 0.74
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A bag contains red, blue, and green tokens. Don randomly
chooses one token from the bag, records the color, and
replaces the token before choosing another token. He
performs the experiment 100 times. The final tally of the
results is shown in the table below.
Answers
The probability of randomly choosing a red token from the bag is Option C: 4/25.
What is probability?
Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about the likelihood of an event happening, or how likely it is. Probability can range from 0 to 1, with 0 denoting an impossibility and 1 denoting a certainty.
The total number of trials is 100.
The total number of red tokens chosen is 5 + 5 + 5 + 1 = 16.
The formula for probability is -
Probability = Favourable outcomes / Total number of outcomes
Substitute the values into the equation.
The probability of randomly choosing a red token from the bag is 16/100.
Simplifying the expression -
16/100
= 4/25
Therefore, the value for probability is 4/25.
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Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise.
An article in the Journal of Agricultural Science ["The Use of Residual Maximum Likelihood to Model Grain Quality Characteristics of Wheat with Variety, Climatic and Nitrogen Fertilizer Effects" (1997, Vol. 128, pp. 135–142)] investigated means of wheat grain crude protein content (CP) and Hagberg falling number (HFN) surveyed in the UK. The analysis used a variety of nitrogen fertilizer applications (kg N/ha), temperature (ºC), and total monthly rainfall (mm). The data shown below describe temperatures for wheat grown at Harper Adams Agricultural College between 1982 and 1993. The temperatures measured in June were obtained as follows:
Answers
Based on the population mean's [tex]95[/tex]% standard error, which is [tex](-10.962 d-0.001)[/tex]
A population example is what?A population can be all the students at a certain school. All of the pupils enrolled at just that institution during the period of data gathering would be included. Data from all of these individuals is gathered based on the issue description.
What are the sample mean and population mean?The major trend discovered from the data sample is the sample mean. The population is used to create the sample data. In statistics, the sampling distribution is denoted by the letter "x." The population mean, on the other hand, is the average of all observations within a certain population or group.
[tex]0.025[/tex] < p value <[tex]0.05[/tex]
for [tex]95[/tex]% CI; and [tex]6[/tex] degrees of freedom, a value of [tex]t= 2.447[/tex]
therefore confidence interval=sample mean -/+ t*std error
margin of error [tex]=t*std error=5.4808[/tex]
lower confidence limit [tex]= -10.9622[/tex]
upper confidence limit [tex]= -0.0006[/tex]
from above [tex]95[/tex]% confidence interval for population mean [tex]=(-10.962[/tex][tex]<[/tex]µd[tex]< -0.001)[/tex]
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I don't know what a, b and c stand for in the (ax + by = c) equation. Im guessing a is gradient, c is y intercept and b is?
Can someone please step by step explain to me how to solve this question and what a b and c represent please.
Answers
We can plot the point (0, 2) and then use the slope to find another point on the line. To do this, we can move 3 units horizontally (since b = 3) and -2 units vertically (since a = -2)
How to find?
The equation ax + by = c represents a straight line in a two-dimensional Cartesian coordinate system, where x and y are the variables and a, b, and c are constants.
a and b are the coefficients of x and y, respectively. They determine the slope or gradient of the line. Specifically, the slope of the line is given by -a/b.
c is the constant term, which represents the y-intercept of the line. It is the value of y when x = 0.
To solve an equation of this form, you can use standard algebraic techniques. One common method is to rearrange the equation to solve for y in terms of x:
ax + by = c
by = c - ax
y = (-a/b)x + (c/b)
This equation is now in slope-intercept form, where the slope is -a/b and the y-intercept is c/b.
To graph the line represented by the equation, you can plot the y-intercept (0, c/b) and then use the slope to find other points on the line. To do this, you can move b units horizontally and -a units vertically from the y-intercept to find another point on the line.
For example, let's say the equation is 2x + 3y = 6. To solve for y, we can rearrange the equation:
3y = 6 - 2x
y = (-2/3)x + 2
Now we know that the slope is -2/3 and the y-intercept is 2. We can plot the point (0, 2) and then use the slope to find another point on the line. To do this, we can move 3 units horizontally (since b = 3) and -2 units vertically (since a = -2):
(0, 2) --> (3, 0)
We can then connect the two points with a straight line to graph the equation.
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I need the answer to this problem
Answers
Therefore, the system of equations has a unique solution, (0, 5).
What is equation?An equation is a mathematical statement that shows the equality between two expressions. It consists of two sides, a left-hand side (LHS) and a right-hand side (RHS), which are connected by an equals sign (=). The LHS and RHS can contain numbers, variables, and mathematical operations such as addition, subtraction, multiplication, and division.
Here,
The system of equations given is:
y = x + 5
y = 2x + 5
To determine the number of solutions, we can compare the slopes and y-intercepts of the two equations.
The slope of y = x + 5 is 1, and the y-intercept is 5.
The slope of y = 2x + 5 is 2, and the y-intercept is 5.
Since the slopes are not equal, the graphs of the lines are not parallel. Therefore, they will intersect at a single point.
To find the point of intersection, we can set the two equations equal to each other:
x + 5 = 2x + 5
Simplifying, we get:
x = 0
Substituting this value back into one of the original equations, we get:
y = x + 5
= 0 + 5
= 5
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Which BEST describes 2
perpendicular lines?
a) They are the same
b) They are negative reciprocals of each other
c) They are the same line
d) They have the same slopes
e) They have slopes that are negative reciprocals of each other.
Answers
The BEST choice for two perpendicular lines is: e) Their slopes are the reciprocal negatives of one another.
How could you tell if two lines were perpendicular to one another?Perpendicular lines are those that cross at a correct angle when two separate lines share a plane. Vertical and horizontal lines, or the axes of a coordinate plane, are perpendicular to one another. Two parallel lines' slopes have negative reciprocal slopes.
If two lines intersect at the a right angle in Euclidean geometry, they are said to be parallel (90 degrees).
When two lines are parallel, their slopes are the reciprocal of each other's negative values. A slope of the second line would be "-1/m" if the curve of the initial line is "m."
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Jordan purchased a box that he filled with liquid candle wax. The box is 5. 1 meters wide, 6 meters long and 4 meters deep. Jamie purchased a box that he filled with liquid candle wax and her box is 4. 7 meters wide, 8 meters long and 4 meters deep. He wants to know the who has the box with the largest volume?
Answers
Among jordan's and jamie's boxes Jamie's box has a larger volume than Jordan's box.
To find the volume of a box, we need to multiply the width, length, and height (or depth) of the box together.
If the dimensions of the box are given in meters, then the volume will be in cubic meters.
For example, if a box has a width of 2 meters, a length of 3 meters, and a height of 4 meters, then its volume would be:
Volume = 2 meters x 3 meters x 4 meters = 24 cubic meters
Therefore, the volume of the box is 24 cubic meters.
To find the volume of each box, we can multiply the width, length, and depth together:
Jordan's box volume = 5.1 m x 6 m x 4 m = 122.4 cubic meters
Jamie's box volume = 4.7 m x 8 m x 4 m = 150.4 cubic meters
Therefore, Jamie's box has a larger volume than Jordan's box.
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Point D is the centroid of ∆ABC, DC = 8x - 6, and ED = 3x + 2. What is CE?
Answers
Answer:
See below.
Step-by-step explanation:
For this problem, we are asked to solve for CE.
Because Point D is a Centroid, CE is a median.
What is a Median?
A Median is a line that connects from 1 vertex of a Triangle, through the Centroid, and then ending on the midpoint of the opposite side.
The distance from the Triangles' Vertex to the Centroid is 2 times the distance from the Centroid to the Midpoint.
Basically;
[tex]ED = \frac{1}{2} CD[/tex]
Let's solve for x first.
[tex]3x+2=\frac{1}{2} (8x-6)[/tex]
Distribute:
[tex]3x+2=4x-3[/tex]
Subtract 4x from both sides:
[tex]-x+2=-3[/tex]
Subtract 2 from both sides:
[tex]-x=-5[/tex]
Divide by -1:
[tex]x=5.[/tex]
CD, and DE are 2 parts of CE. When we add CD, and DE together we will have the value of CE.
[tex]CD+DE=CE.[/tex]
Let's identify CD and DE first since we have the value of x.
[tex]CD=8(5)-6=34.[/tex]
[tex]DE=3(5)+2=17.[/tex]
Add:
[tex]34+17=51 \ (CE)[/tex]
Our final answer is D, CE = 51.
what do we need to add to 2 / 1 8 to make 5
Answers
Answer:
[tex]4\frac{8}9}[/tex]
Step-by-step explanation:
We can do this mathematically.
[tex]5-\frac{2}{18} = \frac{90}{18} - \frac{2}{18} = \frac{88}{18} = \frac{44}{9} = 4\frac{8}{9} \\[/tex]
We can also work this logically.
We know that [tex]\frac{2}{18}[/tex] is less than 1, so our answer should be (5-1) and a fraction.
Our answer should be 4 plus a fraction less than 1. To find what we need to add to [tex]\frac{2}{18}[/tex] to make 1, we ask ourself how many eighteenths make 1. So if we need to 18 parts and we have 2 already, we add 16 eighteens to make 1. The answer is [tex]4 \frac{16}{18}[/tex], or simplified, [tex]4\frac{8}9}[/tex].
The low temperature on Monday was 6°F greater than half the temperature on Sunday. If the low temperature on Monday was 5°F, what was the low temperature on Sunday in degrees Fahrenheit?
Answers
Answer:
-2°F
Step-by-step explanation:
Let M and S represent Monday and Sunday's low temperatures respectively. The given information relates M and S with the equation:
[tex]M = 6 + \frac{S}{2}[/tex]
We can rearrange the equation to solve for S.
[tex]S = 2(M-6)[/tex]
We can substitute 5 for M and find that S = -2.
∴The low temperature on Sunday was -2°F.
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1. 1 The following Arithmetic sequence is given 17,75; 16,5; 15,25;. 1. 1. 1 Determine the next two terms. 1. 1. 2 Which term of the sequence is -18,5?
Answers
The next two terms of the arithmetic sequence are 14 and 12.75, the value -18.5 is the 30th term in the sequence.
The Arithmetic sequence given to us is 17.75, 16.5, 15.25,.... An arithmetic sequence is the one in which the terms increase or decrease with the constant value.
We can find this common difference by finding the difference of any two constant terms, so, in this sequence the common difference in -1.25.
1. The next two terms of the sequence will be (15-1) and (14-1).
So, the next two terms are 14 and 12.75.
2. The nth terms of the sequence is given by the formula,
aₙ = a₁ + (n-1)d, d is the common difference, n is the nth term, a₁ is the first term and aₙ is the nth term.
Now, putting aₙ = 18,
-18.5 = 17.75 + (n-1)(-1.25)
n = 30
So, the 30th term is -18.5 in the sequence.
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