answer is 170
---------------------------
50% of 850 = 425
30% of 850 = 255
425 + 255 = 680
850 - 680 = 170
There are 170 kg mass of parsnips left after distributing to the local market and local supermarket.
To calculate the mass of parsnips left after distributing them to the local market and the local supermarket, we need to subtract the quantities allocated to these places from the total harvest.
The farmer harvested 850 kg of parsnips.
30% of the harvest goes to the local market, which is (30/100) * 850 kg = 0.3 * 850 kg = 255 kg.
50% of the harvest goes to the local supermarket, which is (50/100) * 850 kg = 0.5 * 850 kg = 425 kg.
To find the mass of parsnips left, we subtract the quantities allocated to the market and supermarket from the total harvest:
Total harvest - (Quantity for market + Quantity for supermarket)
= 850 kg - (255 kg + 425 kg)
= 850 kg - 680 kg
= 170 kg.
Therefore, there are 170 kg of parsnips left after distributing to the local market and local supermarket.
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A ________ is the ratio of probabilities that two genes are linked to the probability that they are not linked, expressed as a log10.
LOD score
A LOD score is the ratio of probabilities that two genes are linked to the probability that they are not linked, expressed as a log10. This measure is commonly used in linkage analysis, a statistical method used to determine whether genes are located on the same chromosome and thus tend to be inherited together.
In linkage analysis, the LOD score is used to determine the likelihood that two genes are linked, based on the observation of familial inheritance patterns. A LOD score of 3 or higher is generally considered to be strong evidence for linkage, indicating that the likelihood of observing the observed inheritance pattern by chance is less than 1 in 1000.
The LOD score is also used to estimate the distance between two linked genes, with higher LOD scores indicating that the two genes are closer together on the chromosome. In general, the LOD score is a useful tool for identifying genetic loci that contribute to complex diseases or traits.
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what is the next step you should take -11x = -11
Answer:
divide -11 to -11 (-11/-11)
Step-by-step explanation:
Q3) f(x) 2x^2 - 5x, g(x) = 3x^3 find g(4x)
Answer:
g(4x) = 192x^3
Step-by-step explanation:
For this problem, f(x) is irrelevant since we are simply are dealing with g(x). We will simply replace the value of x in g(x) with 4x. So let's do that.
g(x) = 3x^3
g(4x) = 3(4x)^3
g(4x) = 3(4^3)(x^3)
g(4x) = 3(64)(x^3)
g(4x) = 192x^3
Hence, g(4x) is 192x^3.
Cheers.
Estimate the sum of 1.56 + 0.73 by rounding each addend to the nearest tenth.
A. 3
B. 2.2
C. 2.4
D. 2.3
Answer:
D
Step-by-step explanation:
The sum of 1.56 + 0.73 is 2.29, which rounds to 2.3
The Nearly Normal condition is met in one of either of two ways: the sample size is large or...
a.the population (and sample) distribution are already normal distribtuions.
b.we know the standard deviation of the population.
c.if the units we are measuring can only be positive (e.g. weights of chickens).
d.the two samples are independent.
The correct answer is b. we know the standard deviation of the population.
The Nearly Normal condition, also known as the Central Limit Theorem, states that the sampling distribution of the sample mean tends to be approximately normal, even if the population distribution is not normal, under certain conditions. One way to meet the Nearly Normal condition is by knowing the standard deviation of the population.
When the standard deviation of the population is known, the sample size does not have to be large for the sampling distribution of the sample mean to be approximately normal. This is because the standard deviation provides information about the variability of the population, allowing for a more accurate estimation of the sample mean distribution.
While the other options (a, c, and d) may be relevant in specific scenarios, they are not directly related to meeting the Nearly Normal condition as defined by the Central Limit Theorem.
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What additional information do you need to prove ∆ ABC ≅ ∆ def?
We need SAS congruency to prove ΔABC ≅ Δdef.
We say that triangle ABC is congruent to triangle DEF if,
AB = DE
BC = EF
CA = FD
∠A = ∠D
∠B = ∠E
∠C = ∠F.
SSS postulate states that, if three sides in one triangle are congruent to three sides of a second triangle, then the triangles are congruent
According to SAS congrurncy criteria, two triangles ABC and DEF are congruent, if
AB = DE
∠B = ∠E
BC = EF.
It is important that the angles which are equal should be the included angles. In this case, the included angles were ∠B and ∠E. The same would hold true if the included angles were different, such as ∠A and ∠D.
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Find m∠E.
m∠E= ___∘
HELP 20 points
Answer:
55
Step-by-step explanation:
Angle C = Angle D (Corresponding Angles)
Therefore, BD//AC
Angle A = Angle B (Corresponding Angles)
=>6x-15=5x-1
=>6x-5x=-1+15
=>x=14
Angle B=5x-1
=5(14)-1
=70-1
=69
Angle D=4x
=4(14)
=56
Angle E=180-(Angle D+ Angle B) [Angle Sum Property]
=180-(69+56)
=180-125
=55
Work out 25% of £18
Answer:
25/100×18
=1/4×18
=4.5
Determine whether each expression is a polynomial. If it is a polynomial, find the degree and determine whether it is a monomial, binomial, or trinomial.
The question is incomplete. Here is teh complete question.
Determine whether each expression is a polynomial. If it is a polynomial, find the degree and determine whether it is a monomial, binomail or trinomial.
1. \(7ab+6b^{2}-2a^{3}\)
2. \(2y-5+3y^{2}\)
3. \(3x^{2}\)
4. \(\frac{4m}{3p}\)
5. \(5m^{2}p^{3}+6\)
6. \(5q^{-4}+6q\)
Answer and Step-by-step explanation: The definition of polynomial is "poly" meaning many and Nominal, which means terms. So, Polynomial is an expression of constants, variables, exponents that are combined using mathematical operators: addition, subtraction, multiplication and division.
However, there are exceptions:
Polynomial don't have negative exponent;Polynomial cannot be divided by a variable;Variable cannot be inside a radical;The degree of a polynomial is the highest exponent of that variable. For example for polynomial \(3x^5+6x-5x^{2}\) , the degree is 5.
Polynomials have 3 different types:
monomial: only has one term;binomial: has 2 terms;trinomial: has 3 terms;Now, analysing each expression given by the alternatives above:
1. It is a polynomial of degree 3 and trinomial.
2. It is a polynomial of degree 2 and trinomial.
3. Yes, its a polynomial of degree 2 and monomial.
4. It is not a polynomial because it is divided by a variable.
5. A polynomial of degree 5 and it's a binomial.
6. It is not a polynomial due to the exponent being negative.
Answer:
The question is incomplete. Here is the complete question.
Determine whether each expression is a polynomial. If it is a polynomial, find the degree and determine whether it is a monomial, binomial or trinomial.
1.
2.
3.
4.
5.
6.
Answer and Step-by-step explanation: The definition of a polynomial is "poly" meaning many and Nominal, which means terms. So, Polynomial is an expression of constants, variables, exponents that are combined using mathematical operators: addition, subtraction, multiplication, and division.
However, there are exceptions:
Polynomial don't have negative exponent;
Polynomial cannot be divided by a variable;
Variable cannot be inside a radical;
The degree of a polynomial is the highest exponent of that variable. For example for polynomial, the degree is 5.
Polynomials have 3 different types:
monomial: only has one term;
binomial: has 2 terms;
trinomial: has 3 terms;
Now, analyzing each expression given by the alternatives above:
1. It is a polynomial of degree 3 and trinomial.
2. It is a polynomial of degree 2 and trinomial.
3. Yes, it's a polynomial of degree 2 and monomial.
4. It is not a polynomial because it is divided by a variable.
5. A polynomial of degree 5 and it's a binomial.
6. It is not a polynomial due to the exponent being negative.
You are trying to raise money for college. You have $1000 right now to invest into an account. You have two options for accounts:
Option 1: An account that pays 12% interest compounded quarterly.
Option 2: An account that pays 6% interest compounded continuously.
Which option will give you the most money after 2 years? Use numerical calculations and words to justify your answer.
The option that will give you the most money after 2 years is option (a)
Which option will give you the most money after 2 yearsOption (a)
Here, we have
Principal, P = $1000
Rate, r = 12% = 0.12
Number of times, n = 4
Time, t = 2
The formula of amount is
A = P * (1 + r/n)^(nt)
So, we have
A = 1000 * (1 + (0.12/4))^(4 *2)
A = 1266.77
Option (b)
Here, we have
Principal, P = $1000
Rate, r = 6% = 0.06
Time, t = 2
The formula of amount is
A = P * e^(rt)
So, we have
A = 1000 * e^(0.06 * 2)
A = 1127.50
1266.77 is greater than 1127.50
Hence, the option is option (a)
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Which is larger, a pound or a kilogram? Explain your reasoning.
Answer:
kg
Step-by-step explanation:
1pound is 0.45kg
Answer:
Both pound and kilogram are units of measurement of weight or mass. A pound is an imperial unit of mass or weight. ... A kilogram (kg) is stated to be 2.2 times heavier than a pound (represented as lbs). Thus, one kilo of mass is equal to 2.26lbs. Step-by-step explanation:
. as spaceship 1 moves away from earth, it fires a rocket toward earth that moves at 0.30c with respect to itself. the observer on earth observes the rocket to travel at speed
The observer on Earth would observe the rocket to be moving at a speed of approximately 0.76 times the speed of light (c).
According to the theory of special relativity, the observed speed of an object moving relative to an observer depends on their relative velocities. In this scenario, as Spaceship 1 moves away from Earth, it fires a rocket toward Earth with a velocity of 0.30c relative to itself.
To determine the observed speed of the rocket from the perspective of an observer on Earth, we need to apply the relativistic velocity addition formula. This formula accounts for the relativistic effects of time dilation and length contraction.
The relativistic velocity addition formula is:
v_observed = (v1 + v2) / (1 + (v1*v2)/c^2)
In this case, v1 represents the velocity of Spaceship 1 relative to Earth (which is the speed at which it is moving away from Earth), and v2 represents the velocity of the rocket relative to Spaceship 1.
Let's assume Spaceship 1 is moving away from Earth at a speed of v1 = 0.60c (where c is the speed of light) and the rocket is moving with a velocity of v2 = 0.30c relative to Spaceship 1.
Using the formula, we can calculate the observed speed of the rocket from Earth's perspective:
v_observed = (0.60c + 0.30c) / (1 + (0.60c*0.30c)/c^2)
v_observed = 0.90c / (1 + (0.18c^2)/c^2)
v_observed = 0.90c / (1 + 0.18)
v_observed = 0.90c / 1.18
v_observed ≈ 0.76c
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Use the Alternating Series Test, if applicable, to determine the convergence or divergence of the series.
[infinity] n = 3
(−1)nn
n2 − 5
Both conditions of the alternating series test are satisfied, so the series ∑ (-1)^n a_n converges.
To apply the alternating series test, we need to verify the following two conditions:
The sequence {a_n} = 1/(n^2 - 5) is positive, decreasing, and approaches 0 as n approaches infinity.
The series ∑ (-1)^n a_n = ∑ (-1)^n/(n^2 - 5) converges.
To check the first condition, we can take the derivative of a_n:
a'_n = -2n/(n^2 - 5)^2
Since n ≥ 3, we have n^2 - 5 ≥ 4, so (n^2 - 5)^2 ≥ 16. This implies that a'_n ≤ 0 for n ≥ 3. Therefore, the sequence {a_n} is decreasing.
To check that the sequence approaches 0, we can use the limit comparison test with the convergent p-series ∑ 1/n^2:
lim n→∞ a_n/(1/n^2) = lim n→∞ n^2/(n^2 - 5) = 1
Since the limit is finite and positive, we conclude that {a_n} approaches 0 as n approaches infinity.
Thus, both conditions of the alternating series test are satisfied, so the series ∑ (-1)^n a_n converges.
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What is the volume of a rectangular prism that is 1 1/2 inches by 2 1/4 inches by 4 inches? Show your reasoning
help please someone
The volume of the rectangular prism is given by the equation
A = 13 1/2 inches³
What is the Volume of a Rectangle?
The volume of the rectangle is given by the product of the length of the rectangle and the width of the rectangle and the height of the rectangle
Volume of Rectangle = Length x Width x Height
Volume of Rectangle = Area of Rectangle x Height
Given data ,
Let the volume of the rectangular prism be represented as A
Now , the equation will be
The length of the rectangular prism L = 1 1/2 inches
The length of the rectangular prism L = 1.5 inches
The width of the rectangular prism L = 2 1/4 inches
The width of the rectangular prism L = 2.25 inches
The height of the rectangular prism L = 4 inches
So , the volume of the rectangular prism A = Length x Width x Height
Substituting the values in the equation , we get
The volume of the rectangular prism A = 1.5 x 2.25 x 4
On simplifying the equation , we get
The volume of the rectangular prism A = 13.5 inches³
Hence , the volume of rectangular prism is 13.5 inches³
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Please HELP!!
Solve the system of linear equations by substitution
2x+3y=0
8x +9y =18
Answer:
Step-by-step explanation:
Step 1:
Isolate x (1st Equation)
2x + 3y = 0
- 3y = -3y
2x = -3y
Step 2:
Divide both sides by 2
x = -3y/2
Step 3:
Replace the x from 8x with -3y/2 and Solve the equation
8(-3y/2) + 9y = 18
-12y + 9y = 18
-3y = 18
y = -6
Step 4:
Go back to the 1st equation and replace the y from 3y with -6. You are now solving for x. Solve the equation.
2x + 3(-6) = 0
2x - 18 = 0
+ 18 = +18
2x = 18
x = 9
Step 5:
Write your final answer.
(x, y) = (9, -6)
One month before an election, a poll of 630 randomly selected voters showed 55% planning to vote for a certain candidate. A week later it became known that he had had an extramarital affair, and a new poll showed only 53% of 1010 voters supporting him. Do these results indicate a decrease in voter support for his candidacy?
Determine the test statistic. z= (Round to two decimal places as needed.)
Find the P-value.
estimate that difference, p1−p2, with a 95% confidence interval
The statistics are as follows:
- Test Statistic: The calculated test statistic is approximately 1.02.
- P-value: The P-value associated with the test statistic of 1.02 is approximately 0.154.
- Confidence Interval: The 95% confidence interval for the difference in proportions is approximately -0.0186 to 0.0786.
To solve the problem completely, let's go through each step in detail:
1. Test Statistic:
The test statistic can be calculated using the formula:
z = (p1 - p2) / √[(p_cap1 * (1 - p-cap1) / n1) + (p_cap2 * (1 - p_cap2) / n2)]
We have:
p1 = 0.55 (proportion in the first poll)
p2 = 0.53 (proportion in the second poll)
n1 = 630 (sample size of the first poll)
n2 = 1010 (sample size of the second poll)
Substituting these values into the formula, we get:
z = (0.55 - 0.53) / √[(0.55 * (1 - 0.55) / 630) + (0.53 * (1 - 0.53) / 1010)]
z = 0.02 / √[(0.55 * 0.45 / 630) + (0.53 * 0.47 / 1010)]
z ≈ 0.02 / √(0.0001386 + 0.0002493)
z ≈ 0.02 / √0.0003879
z ≈ 0.02 / 0.0197
z ≈ 1.02 (rounded to two decimal places)
Therefore, the test statistic is approximately 1.02.
2. P-value:
To find the P-value, we need to determine the probability of observing a test statistic as extreme as 1.02 or more extreme under the null hypothesis. We can consult a standard normal distribution table or use statistical software.
The P-value associated with a test statistic of 1.02 is approximately 0.154, which means there is a 15.4% chance of observing a difference in proportions as extreme as 1.02 or greater under the null hypothesis.
3. Confidence Interval:
To estimate the difference in proportions with a 95% confidence interval, we can use the formula:
(p1 - p2) ± z * √[(p_cap1 * (1 - p_cap1) / n1) + (p_cap2 * (1 - p_cap2) / n2)]
We have:
p1 = 0.55 (proportion in the first poll)
p2 = 0.53 (proportion in the second poll)
n1 = 630 (sample size of the first poll)
n2 = 1010 (sample size of the second poll)
z = 1.96 (for a 95% confidence interval)
Substituting these values into the formula, we get:
(0.55 - 0.53) ± 1.96 * √[(0.55 * (1 - 0.55) / 630) + (0.53 * (1 - 0.53) / 1010)]
0.02 ± 1.96 * √[(0.55 * 0.45 / 630) + (0.53 * 0.47 / 1010)]
0.02 ± 1.96 * √(0.0001386 + 0.0002493)
0.02 ± 1.96 * √0.0003879
0.02 ± 1.96 * 0.0197
0.02 ± 0.0386
The 95% confidence interval for the difference in proportions is approximately (0.02 - 0.0386) to (0.02 + 0.0386), which simplifies to (-0.0186 to 0.0786).
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Helpppppppppppppppppp
The functions f(x)=−34x+2 and g(x)=(14)x+1 are shown in the graph. What are the solutions to −34x+2=(14)x+1? Select each correct answer. Responses −1 negative 1 0 0 1 1 2 2 3
A solution to −34x+2=(14)x+1 is x = 1/48
In this question, we have been given functions f(x) = -34x + 2 and g(x) =(14)x + 1
We need to find the solutions to −34x + 2 = (14)x + 1
i.e., we need to find the solution to f(x) = g(x)
Consider, f(x) = g(x)
-34x + 2 = (14)x + 1
-34x + 2 - 14x = 14x + 1 - 14x
-48x + 2 = 1
-48x = -1
x = 1/48
Therefore, a solution to −34x+2=(14)x+1 is x = 1/48
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Find the area of the parallelogram with the given vertices. k(1, 1, 3), l(1, 3, 5), m(6, 9, 5), n(6, 7, 3).
The area of the parallelogram is \(\sqrt{132}\).
What is a parallelogram?A parallelogram is a quadrilateral with two pairs of parallel sides. The opposite sides of a parallelogram are equal in length, and the opposite angles are equal in measure. Also, the interior angles on the same side of the transversal are supplementary. Sum of all the interior angles equals 360 degrees.
Given that,
vertices k(1, 1, 3), l(1, 3, 5), m(6, 9, 5), and n(6, 7, 3)
Area of Parallelogram = |KL × KN|
KL = (1, 1, 3) - (1, 3, 5) = (0, 2, 2)
KN = (1, 2, 3) - (3, 7, 3) = (2, 5, 0)
Area of the parallelogram = cross product of two vectors, represented by the adjacent sides.
Area of Parallelogram = |(0, 2, 2) × (2, 5, 0)|
= |i(2 × 0 - 5 × 2) - j(0 × 0 - 2 × 2) + k(0 × 5 - 2 × 2)|
= |i(-10) - j(-4) + k(-4)|
= |-10i + 4j - 4k|
= \(\sqrt{(-10)^{2}+(4)^{2}+(-4)^{2} }\)
= \(\sqrt{100+16+16}\)
= \(\sqrt{132}\)
Hence, The area of the parallelogram is \(\sqrt{132}\).
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A photographer can take 12 pictures in 5 minutes how long will it take him to take 132 pictures how much mixtures
Work Shown:
(12 pictures)/(5 minutes) = (132 pictures)/(x minutes)
12/5 = 132/x
12x = 5*132
12x = 660
x = 660/12
x = 55
Note: I used the cross multiplication rule in the third step.
4 What is the value of the expression (
\(( {81}^{ \frac{1}{4} } ) ^{4} \)
A. 3 B. 12 O C. 27 O D. 81
Answer:
D. 81
Step-by-step explanation:
(81^¼)⁴ = 81^(¼×4) = 81¹ = 81
.6 What is 15% of 120? 7 Write 47% as a decimal. 10 Fill in the blank. A suit originally priced at $60 is on sale for 15% off. Its price after the reduction is Fill in the blank. As a percentage, = 36 % 800. 17 a-Clarissa went to a travel agency to buy a ticket priced at $1 What is the sales tax on this ticket if the tax rate on it is 3%62 Enter your answer in the box. b- What is the total cost of the ticket after tax? Enter your answer in the box. dollars.
The total cost of the ticket after tax is $166.86. 6) To calculate 15% of 120, you can multiply 120 by 0.15 (which is the decimal representation of 15%).
15% of 120 = 0.15 * 120 = 18
So, 15% of 120 is 18.
7) To write 47% as a decimal, divide 47 by 100.
47% as a decimal = 47/100 = 0.47
So, 47% written as a decimal is 0.47.
10) To find the price of the suit after a 15% reduction, we can subtract 15% of the original price from the original price.
Original price of the suit = $60
15% off = 0.15 * $60 = $9
Price after the reduction = $60 - $9 = $51
So, the price of the suit after the 15% reduction is $51.
As a percentage, the price reduction is calculated by dividing the reduction amount by the original price and multiplying by 100:
Percentage reduction = ($9/$60) * 100 = 15%
17a) To find the sales tax on a $162 ticket with a 3% tax rate, multiply the ticket price by the tax rate.
Sales tax = $162 * 0.03 = $4.86
The sales tax on the ticket is $4.86.
17b) To find the total cost of the ticket after tax, we need to add the ticket price and the sales tax.
Total cost of the ticket after tax = $162 + $4.86 = $166.86
The total cost of the ticket after tax is $166.86.
Please note that currency symbols were omitted in the previous responses, but the values provided are in dollars.
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helppppp please 20 points please help
On solving the provided question, we can say that in the provided rectangle the fence is 14 m wide.
What is rectangle?A rectangle in Euclidean plane geometry is a quadrilateral with four right angles. You might also describe it as follows: a quadrilateral that is equiangular, which indicates that all of its angles are equal. The parallelogram might also have a straight angle. Squares are rectangles with four equally sized sides. A quadrilateral of the shape of a rectangle has four 90-degree vertices and equal parallel sides. As a result, it is sometimes referred to as an equirectangular rectangle. Because its opposite sides are equal and parallel, a rectangle is also known as a parallelogram.
provided
let length will be = 3w
width = w
perimeter of rectangle = 2(l+b) = 2(3w+w) = 8w
8w = 120
w = 14
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The graph of a figure is shown below.
Which graph represents the reflection of this figure across the x-axis?
the first triangle in the photo
which is reflected on the x-axis
A graph which represents the reflection of this figure across the x-axis is: graph 5.
What is a reflection across the x-axis?In Mathematics, a reflection across the x-axis would maintain the same x-coordinate while the sign of the y-coordinate changes from positive to negative. Therefore, a reflection across the x-axis is given by this transformation rule:
(x, y) → (x, -y) = (3, 1) → (3, -1).
(x, y) → (x, -y) = (4, 0) → (4, 0).
(x, y) → (x, -y) = (3, -1) → (3, 1).
(x, y) → (x, -y) = (4, -2) → (4, 2).
(x, y) → (x, -y) = (2, -4) → (2, 4).
(x, y) → (x, -y) = (0, -2) → (0, 2).
In conclusion, a reflection across the x-axis would transform the geometric figure to that shown in the graph attached in the image below.
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1. Which Transformation would result in an image NOT congruent to its pre-image?
A. A dilation with a scale factor of two
B.A reflection
C. A dilation with a scale factor of one
D. A Rotation
Answer:
A, the correct answer is A because a dilation is when you either shrink or make the image bigger...and in this case they srunk it!
Step-by-step explanation:
A class of 80 girls and 60 boys sponsored a car
wash. If 40 percent of the girls and 30 percent of
the boys got their cars washed, approximately
what percent of the class got their cars washed?
O A. 91%
OB. 64%
OC. 50%
OD. 36%
Answer:
D
Step-by-step explanation:
80/100 x 40 = 32
60/100 x 30 = 18
18 + 32 = 50
50/(80+60) x 100 = 35.7
= 36
Thank you
Answer:
36%
Step-by-step explanation:
class total: 140 students
40% of 80= 32
30% of 60=18
18+32= 50
50 divided by 140= .36 or 36 percent
What is mAngleMHJ? 35 50 72.5 92.5
Answer:
Do you have any picture?
Answer:
50
Step-by-step explanation:
B.
Can someone plz help me with this one problem plzzzzz I’m marking brainliest!!!
Also when you pick the graph just say 1st or 2nd graph!!!
Answer:
1st
Step-by-step explanation: i think
Three pairs of sisters stand in a line in a random order. What is the probability that everybody in the line is adjacent to her sister? Express your answer as a common fraction.
The probability that everyone in the line is adjacent to her sister can be determined by counting the favorable outcomes and dividing by the total number of possible outcomes.
Let's consider the arrangement of the sisters. Each sister has one sister who is her adjacent neighbor. There are three pairs of sisters, so we have six sisters in total. The number of ways to arrange the sisters such that everyone is adjacent to her sister can be determined as follows:
We can fix the positions of the pairs of sisters. There are three pairs, so we have three fixed positions.
Within each pair, there are two possible ways to arrange the sisters.
Therefore, the total number of favorable outcomes is 2^3 = 8.
Now, let's consider the total number of possible outcomes. We have six sisters in total, so there are 6! (factorial) ways to arrange them.
Hence, the probability that everyone in the line is adjacent to her sister is 8/6! = 8/720 = 1/90.
Therefore, the probability is 1/90, expressed as a common fraction.
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Suppose the solution set of a certain system of equations can be described as x1 = = 2 – 41, x2 = -1 – 1, x3 = 3t – 2, X4 –5 – 6t, where t is a free variable. Use vectors to describe this solution set as a line in R4
The solution set can be described as the line {(2-4t, -1-t, 3t-2, -5-6t)} in R4. This line can be defined by a vector (4, 1, 1, -6) and any point on the line (2, -1, 0, -5).
The solution set can be described by the line {(2-4t, -1-t, 3t-2, -5-6t)} in R4. To describe this line, we need a point on the line and a vector. The point on the line can be found by setting t = 0, so the point is (2, -1, 0, -5). The vector can be found by subtracting the point from each of the coordinates of the solution set, so the vector is (4, 1, 1, -6). This vector can be used to describe the line in R4, as any point on the line can be expressed as a multiple of the vector plus the initial point on the line. Therefore, the solution set of the system of equations can be described as the line {(2-4t, -1-t, 3t-2, -5-6t)} in R4, defined by the point (2, -1, 0, -5) and the vector (4, 1, 1, -6).
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