The value of the s for the school crossing sign is (s = 18).
What is defined as the perimeter?The total distance round the shape is described as its perimeter.
It is the length of every two-dimensional geometric shape's outline or boundary. Depending on the dimensions, the perimeters of differing results can be identical in size.The perimeter of a shape is the length covered by its boundary. As a result, the perimeter's units will be identical to the length's units. We can call perimeter one-dimensional. As a result, it can be measured in millimeters, kilometers, centimeters, and other units.The perimeter of school crossing board is 120 inches.
2s + s + s + ( s + 6 ) + ( s + 6 ) = 120 (perimeter)
6s + 12 = 120
6s = 120 – 12
6s = 108
s = 108/6
s = 18 units
Therefore, for the school crossing sign, the value of s is found as (s = 18) inches.
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The correct question is-
Write and solve an equation to answer the question. The perimeter of the school crossing sing is 120 inches. What is the value of s?
a bus drives for 3 and a half hours at an average speed of 56mph how far does the bus drive?
Answer:
196 miles
Step-by-step explanation:
distance (D) is calculated as
D = S × T ( S is average speed and T is time in hours )
here T = 3 and a half hours = 3.5 hours and S = 56 , then
D = 56 × 3.5 = 196 miles
What is the slop of the line y-3=5(x-2)
Answer:
5
Step-by-step explanation:
The equation is written in point slope form [ y - y1 = m(x - x1) ] where m = slope. "m" in the given equation is 5 which is the slope.
Best of Luck!
Answer:
y-3=5(x-2)
y-3=5x-10
10-3=5x-y
5x-y=7
slope=-(coefficient of x/coefficient of y)=-(5/-1)=5
find the radius length if the arc length is 8m and the central angel is pi over 4
Answer:
r ≅ 10.2m
Step-by-step explanation:
Use formula: s = r * θ
s = arc length
r = radius
θ = angle in radians
8 = r * π/4
r = 32/π
r ≅ 10.2m
pretty please helpppp
Answer: 2(n6)
And true states are
The two operations are mulitplication and substraction
The constants are 2 and 6
The expression is written as 2(n-6)
Step-by-step explanation:
Answer:
A,C,D,E should be correct.
A. Replace “a number” with the variable, n.
C. The two operations are multiplication and subtraction.
D. The constants are 2 and 6.
E. The expression is written as 2(n – 6).
hope this helped!
I need help with these questions pls
Answer:
Step-by-step explanation:
help me asap
A=1/2bh
Answer:
Um that’s the area of a triangle??? I kinda need numbers to solve it
Step-by-step explanation:
write an equation for a degree 6 polynomial with a root at 3, a double root at 2, and a triple root at -1, and has a y-int at 5..
The equation of the degree 6 polynomial with a root at 3, a double root at 2, and a triple root at -1, and y-intercept at y = 5 is given as follows:
y = -5/12(x - 3)(x - 2)²(x + 1)³.
How to define the polynomial?The equation of the function is obtained considering the Factor Theorem, as a product of the linear factors of the function.
The zeros of the function, along with their multiplicities, are given as follows:
Zero at x = 3 with a multiplicity of 1.Zero at x = 2 with a multiplicity of 2.Zero at x = -1 with a multiplicity of 3.Then the linear factors of the function are given as follows:
(x - 3).(x - 2)².(x + 1)³.The function is then defined as:
y = a(x - 3)(x - 2)²(x + 1)³.
In which a is the leading coefficient.
When x = 0, y = 5, due to the y-intercept, hence the leading coefficient a is obtained as follows:
5 = -12a
a = -5/12
Hence the polynomial is:
y = -5/12(x - 3)(x - 2)²(x + 1)³.
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If the columns of a 7x7 matrix D are linearly independent, what can you say about the solutions of Dx = b? Why?
Select the correct choice below.
A. Equation Dx=b has a solution for each b in R? According to the Invertible Matrix Theorem, a matrix is invertible if the columns of the matrix form a linearly independent set; this would mean that the equation Dx = b has at least one solution for each b in Rn.
B. Equation Dx=b has no solutions for each b in R? According to the Invertible Matrix Theorem, the equation Dx = 0 has only the trivial solution.
C. Equation Dx=b has many solutions for each b in R? According to the Invertible Matrix Theorem, a matrix is not invertible if the columns of the matrix form a linearly independent set, and the equation Dx = b has many solutions for each b in Rn.
D. It will depend on the values in the matrix. If the diagonal of the matrix is zero, Dx = b has a solution for each b in R? However, if the diagonal is all non-zero, equation Dx=b has many solutions for each b in R?
If the columns of a 7x7 matrix D are linearly independent, we can say tha Equation Dx=b has a solution for each b in R. According to the Invertible Matrix Theorem, a matrix is invertible if the columns of the matrix form a linearly independent set; this would mean that the equation Dx = b has at least one solution for each b in Rn. The correct choice is A.
The correct choice is A: Equation Dx = b has a solution for each b in Rⁿ.
If the columns of a 7x7 matrix D are linearly independent, then by the Invertible Matrix Theorem, the matrix is invertible. This means that there exists a matrix D⁻¹such that DD⁻¹ = I, where I is the 7x7 identity matrix.
Now, consider the equation Dx = b. Since D is invertible, we can multiply both sides by D⁻¹to obtain D⁻¹(Dx) = D⁻¹b, which simplifies to x = D⁻¹b.
This shows that for any given b in Rⁿ, there exists a unique solution x in Rⁿ such that Dx = b. Therefore, the equation Dx = b has a solution for each b in Rⁿ. The correct choice is A.
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est the series for convergence or divergence using the alternating series test. [infinity] (−1)n 2nn n! n = 1
The Alternating Series Test (AST) is used to determine if a series is convergent or divergent. It assumes that the terms alternate in sign and are monotonically decreasing in magnitude, and if lim_(n)a_n = 0, then the series is convergent. The series is given in the general formula for the AST, and the absolute value of each term is equal to the corresponding term.
The series for convergence or divergence using the alternating series test is given below:
[infinity] (−1)n 2nn n! n = 1
The general formula for the alternating series test is as follows. Assume that a series [a_n]_(n=1)^(∞) is defined such that the terms alternate in sign and are monotonically decreasing in magnitude.
If lim_(n→∞)△a_n = 0, where △a_n denotes the nth term of the series,
then the alternating series [a_n]_(n=1)^(∞) is convergent. We must evaluate if the alternating series is monotonically decreasing and if the absolute value of each term of the series is decreasing as well. If both conditions are met, we may apply the Alternating Series Test (AST). Let's take a look at the given series below:(-1)^n(2^n)/(n!) for n = 1 to infinity The series is given in the general formula for the AST. Because the series is already in the right form, we do not need to test it first.
The terms of the sequence decrease since (n+1)!/(n!) = (n+1), which is a positive number. Furthermore, since (n+1) > n for any natural number n, the sequence decreases monotonically. When we take the absolute value of each term in the series, it is equal to the corresponding term since all terms are positive.
Therefore, the series is convergent according to the Alternating Series Test.
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Suppose you are choosing a letter at random from the word DISCRETE and your friend chooses a letter at random from the word ALGEBRA . What is the probability that you choose the same letter
For a randomly selecting one letters from each words, DISCRETE and ALGEBRA, the probability that you choose the same letter is equals to the \( \frac{1}{28}.\).
When we divide the number of events by the possible number of outcomes. It will give the Probability. The value of probability lies between 0 and 1. We have two Words one is DISCRETE and ALGEBRA. One letter is randomly selected from each words. Total numbers of letters in word DISCRETE = 8
Total numbers of letters in word ALGEBRA = 7
We have to determine the probability to choose the same letter. Now, number of same letters in both of the words = 1 ( E)
So, the number of ways to selecting the 'E' letter from DISCRETE word = 2
The number of ways to selecting the 'E' letter from ALGEBRA word = 1
Probability that letter E selected from ALGEBRA word, P( A)\( = \frac{1}{7}\).
Probability that letter E selected from DISCRETE word, P( D) = \( = \frac{2}{8} = \frac{1}{4} \). So, probability that you choose the same letter from both words = P(A) × P(B)
\( = \frac{1}{7} \times \frac{1}{4}\)
\( = \frac{1}{28}\)
Hence, required value is \( \frac{1}{28} \).
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help please i need to simplify
Answer:
Step-by-step explanation:
Answer:
11/3 + 11/2
22/6 + 33/6= 55/6= 9 1/6
so 55/6 should be the answer
What is 97 divided by 535525?
0.000181130666
Step-by-step explanation:
1. Given that the mean of the scores 15, 21, 17, 16, 26, 18 and 29 is 21. Calculate the standard deviation. A.√10 b. 4 c. 5 d. √30 2.
2. Calculate the standard deviation of the following set of numbers 2, 3, 4, 4, 5,6.
Answer:
1) c. 5
2) 1.29
Step-by-step explanation:
1. To calculate the standard deviation, we first need to find the variance. The variance is the average of the squared differences from the mean.
Step 1: Find the differences from the mean:
15 - 21 = -6
21 - 21 = 0
17 - 21 = -4
16 - 21 = -5
26 - 21 = 5
18 - 21 = -3
29 - 21 = 8
Step 2: Square the differences:
(-6)^2 = 36
0^2 = 0
(-4)^2 = 16
(-5)^2 = 25
5^2 = 25
(-3)^2 = 9
8^2 = 64
Step 3: Find the average of the squared differences:
(36 + 0 + 16 + 25 + 25 + 9 + 64) / 7 = 175 / 7 = 25
Step 4: Take the square root of the variance to find the standard deviation:
√25 = 5
Therefore, the standard deviation is 5.
2. To calculate the standard deviation for the set of numbers 2, 3, 4, 4, 5, 6:
Step 1: Find the mean:
(2 + 3 + 4 + 4 + 5 + 6) / 6 = 24 / 6 = 4
Step 2: Find the differences from the mean:
2 - 4 = -2
3 - 4 = -1
4 - 4 = 0
4 - 4 = 0
5 - 4 = 1
6 - 4 = 2
Step 3: Square the differences:
(-2)^2 = 4
(-1)^2 = 1
0^2 = 0
0^2 = 0
1^2 = 1
2^2 = 4
Step 4: Find the average of the squared differences:
(4 + 1 + 0 + 0 + 1 + 4) / 6 = 10 / 6 ≈ 1.67
Step 5: Take the square root of the variance to find the standard deviation:
√1.67 ≈ 1.29
Therefore, the standard deviation is approximately 1.29
State if each triangle with the following side lengths is 7, 8, 10 acute, obtuse, or right.
a Acute
b Right
c Obtuse
Step-by-step explanation:
Compare the longest side to the other 2 shorter sides of the triangle:
10² : 7² + 8²
= 100 : 113
Since 7² + 8² > 10², it is an acute triangle.
h(x) = x^2 - 4 - x
g(x) = 3x - 2
Find h(x) division sign g(x)
Answer:
g(x)=x
4
+3x
3
−x
2
−3x
Step-by-step explanation:
Scenario 2 Magnifi Co. produces a high-end amplifier for musical aficionados. Historically, only 85% of the 200 amplifiers produced per month on average have met the company's demanding standards for
Scenario 2 Magnifi Co. produces a high-end amplifier for musical aficionados. Historically, only 85% of the 200 amplifiers produced per month on average have met the company's demanding standards for quality control. Suppose a random sample of 50 amplifiers is taken from a month's production..
What is the probability that less than 40 of the amplifiers will meet the company's quality standards? b) What is the probability that between 40 and 45 inclusive of the amplifiers will meet the company's quality standards? c) What is the probability that more than 45 of the amplifiers will meet the company's quality standards? a) In order to solve for the probability that less than 40 amplifiers will meet the company's quality standards, we can use the binomial distribution formula: P(X < 40) = Σi=0^39 C(50, i) (0.85)i(1-0.85)50-i
This can be solved using a computer, calculator, or by using a binomial probability table. Using a binomial table, we can find that P(X < 40) = 0.024. Therefore, there is a 0.024 probability that less than 40 amplifiers will meet the company's quality standards. b) To solve for the probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards, we can use the binomial distribution formula again. We need to solve for P(40 ≤ X ≤ 45): P(40 ≤ X ≤ 45) = Σi=40^45 C(50, i) (0.85)i(1-0.85)50-i This can also be solved using a computer, calculator, or binomial table. Using a binomial table, we can find that P(40 ≤ X ≤ 45) = 0.435. Therefore, there is a 0.435 probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards. c) To solve for the probability that more than 45 amplifiers will meet the company's quality standards, we can use the binomial distribution formula one more time. We need to solve for P(X > 45): P(X > 45) = Σi=46^50 C(50, i) (0.85)i(1-0.85)50-i Once again, this can be solved using a computer, calculator, or binomial table. Using a binomial table, we can find that P(X > 45) = 0.056. Therefore, there is a 0.056 probability that more than 45 amplifiers will meet the company's quality standards.Overall, it can be concluded that the probability that less than 40 amplifiers will meet the company's quality standards is low, the probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards is relatively high, and the probability that more than 45 amplifiers will meet the company's quality standards is relatively low.
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In the following equation ŷ = 45,000 + 2x with given sales (γ in $500) and marketing (x in dollars), what does the equation imply?
A. An increase of $1 in marketing is associated with an increase of $46,000 in sales.
B. An increase of $1 in marketing is associated with an increase of $1,000 in sales.
C. An increase of $2 in marketing is associated with an increase of $46,000 in sales.
D. An increase of $2 in marketing is associated with an increase of $1,000 in sales.
The equation ŷ = 45,000 + 2x implies that an increase of $2 in marketing is associated with an increase of $46,000 in sales.
This means that for every extra dollar invested in marketing, $46,000 in sales is expected. This equation shows that the impact of marketing on sales is significant, as the increase in sales is more than forty-five times the investment in marketing. By investing in marketing, businesses can expect a large return in sales. The equation does not imply that an increase of $1 in marketing is associated with an increase of $1,000 in sales, as this would not be a proportionate increase. Similarly, an increase of $2 in marketing does not equate to an increase of $1,000 in sales.
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Here is a map of a town.
It has a scale of 2 cm to 7 km.
A centimetre ruler is shown on the map.
What is the real-life distance between the ice rink and the theatre?
The real-life distance between the ice rink and the theater is given as follows:
14 km.
How to obtain the real-life distance?The real-life distance between the ice rink and the theater is obtained applying the proportions in the context of the problem.
The scale of 2 cm to 7 km means that each 2 cm drawn on the map represent a real distance of 7 cm.
The distance is of 4 cm on the map, hence the actual distance between the ice rink and the theater is obtained as follows:
4/2 x 7 = 14 km.
Missing Information
The distance is of 4 cm on the map.
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Five members of the Varsity Math team are running late for a big
competition and hurrying toward the arena - but they forgot that they would
have to cross the stream that cuts through campus. When they reach the
stream, there's a small boat tied up on their side that they can "borrow" to get
to the other side.
The boat will hold one, two or three of the students, but not more.
Fortunately, two of the team members are also on the crew team, and when
the boat contains only one or both of them, they can make it across the stream
in one minute. Unfortunately, the other three teammates are very
inexperienced with boats, and when any of them is aboard, there is so much
awkwardness and flailing that the crossing will take four minutes, regardless
of whether one of the crew teammates is on board.
The team members adopt the fastest strategy for rowing back and forth
across the stream to get everyone to the other side for the competition. How
many minutes does it take all five team members to get across?
Answer:
8 min
Step-by-step explanation:
Crew C =2
loser L =3
min 1 2C goes
min 1 1C comes
min 4 3L goes
min 1 1C comes
min 1 2C goes
total min 8
can u please help me
Find the fifth term in the geometric
sequence, given the first term and
the common ratio.
aj = 5 and r= -3
Answer:
-10
Step-by-step explanation:
You find the fifth term by going down 3, five times from 5
5
1: 2
2: -1
3: -4
4: -7
5: -10
Please help me on questions 5-6. If you can, please do step by step please!! The subject on this is Uniform motion.
Answer:
5. 11.25 mi/hr
6. 24 hours
Step-by-step explanation:
5. The return trip at 9 mph took 5 hours. So the distance is 45 miles.
The total distance traveled is therefore 90 miles, and the total time is 3 + 5 = 8 hours.
The average speed is distance divided by time, or (90 mi) / (8 hr) = 11.25 mi/hr
6. If t is the time it takes driving there, then t−4 is the time it takes to drive back.
Distance = speed × time, so the forward trip is 25t miles, and the return trip is 30(t−4) miles. These distance are equal, so:
25t = 30(t−4)
25t = 30t − 120
120 = 5t
t = 24
Write an equation of the line passing through point P(4,0) that is parallel to the line -x + 2y = 12.
If you scale up the ratio on the left, what will you get for the unknown quantity on the right? $155 $465
-------- = --------------
20 hours ?
A. 10 HOURS
B. 40 HOURS
C. 60 HOURS
D. 100 HOURS
Answer:
60 minute equals to 1 hour
Can some one help me with this
Answer:
To me it looks like you already solved it
Step-by-step explanation:
PLEASE HELP ME ASAP I WILL GIVE YOU BRAINIEST!
Question: What is the lateral as total surface area of these shapes?
(ignore the f and s part i just need the lateral and total)
PLEASE PLEASE HELP IM BEGGING YOU
Answer:
Step-by-step explanation:
1.
Base area = πr² = 6²π = 36π in²
Circumference = 2πr = 12π in
Lateral area = 2πrh = 144π in²
Total surface area = 2×36π + 144π
= 216π in²
2.
Base area = πr² = π3.25² = 10.5625π in²
Circumference = 2πr = 6.5π in
Lateral area = 2πrh = 6.5π×6.2 = 40.3π in²
Total surface area = 2×10.5625π + 40.3π = 61.425π in²
What is 1735829057389210572301957239715209750291735 divided by 2
Answer:
8.6791453e+41
Step-by-step explanation:
i used calulator
Which expression is equivalent to x-4?
Answer:
i dont know i need coins
Step-by-step explanation:
5 TIMES 8 equals 15
Answer:
(1/x)^4
Step-by-step explanation:
x can’t be 0 because it is impossible divide a number by 0
2. Yummy Foods Fast is a meal kit delivery service that costs $30 per month after an initial membership fee of $50. What is the total cost of the meal kit delivery service after 5 months?
Answer:
$200
Step-by-step explanation:
30 * 5=150 +50=200
how many terms of the taylor series for tan^-1 x would you have to use to evaluate each term on the right side of the equation π= 48 tan^-1 1/18 +32 tan^-1 1/57-20 tan^-1 1/239 with an error of magnitude less than ?
The number of terms required to evaluate the expression π = 48 \(tan^{-1}\)(1/18) + 32 \(tan^{-1}\)(1/57) - 20 \(tan^{-1}\)(1/239) with an error magnitude less than a given threshold cannot be determined without specifying the threshold value. The accuracy of the evaluation depends on the threshold chosen, and the number of terms needed in the Taylor series for \(tan^{-1}\) x will vary accordingly.
The Taylor series expansion for \(tan^{-1}\) x is given by the formula:
\(tan^{-1}\) x = x - (\(x^{3}\))/3 + (\(x^{5}\))/5 - (\(x^{7}\))/7 + ...
To estimate the number of terms needed, we can analyze the size of the remaining terms in the series. We want the magnitude of the error to be less than a specified threshold.
By comparing the terms of the series with decreasing powers of x, we can observe that as x becomes smaller, the terms in the series become smaller as well. Therefore, to ensure the error is within the desired threshold, we need to evaluate the terms until the magnitude of the next term is smaller than the threshold.
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