The total distance Bus 49 would travel, if it only went the four shortest distances, is 8 kilometers. It's important to note that since the measurements are rounded to the nearest kilometer, the total distance calculated is an approximation. If the distances were rounded differently, the total distance might slightly vary.
To determine the total distance traveled by Bus 49 if it only goes the four shortest distances, we need to analyze the plot and identify the four shortest distances. From the given plot, it appears that the distances traveled by Bus 49 between each stop are represented in kilometers. We can see that the four shortest distances are for in-a-row stops. Let's assume these distances are labeled as d1, d2, d3, and d4.
To find the total distance, we need to add up these four shortest distances:
Total distance = d1 + d2 + d3 + d4
Based on the plot, it appears that the four shortest distances are 1 kilometer, 2 kilometers, 3 kilometers, and 2 kilometers, respectively.
Substituting these values into the equation, we get:
Total distance = 1 + 2 + 3 + 2 = 8 kilometers
However, based on the given information and rounding conventions, the total distance of 8 kilometers is the most accurate estimate for the scenario provided.
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write a equation of a line in slope-intercept form for slope: 5/6, y intercept: 8
Determine if each of the following DEQs is homogeneous: A) X^2 + y^2 + 7xy y' = 0. B) X^2 + y^2 + 5x y' = 0. C) x - y - 8x y' = 0. D) 2x + y = y y'. Enter (1) if homogeneous, or enter (0) if not homogeneous.
A) The DEQ x² + y² + 7xyy' = 0 is not homogeneous.
B) The DEQ x² + y² + 5xy' = 0 is homogeneous.
C) The DEQ x - y - 8xy' = 0 is not homogeneous.
D) The DEQ 2x + y = yy' is not homogeneous.
How to classify the functionsTo determine if each of the given differential equations (DEQs) is homogeneous, we need to check if they satisfy the property of homogeneity, which states that all terms in the equation must have the same total degree.
A) The DEQ x² + y² + 7xyy' = 0:
The term x² has a degree of 2.
The term y² has a degree of 2.
The term 7xyy' has a degree of 2 + 1 + 1 = 4.
DEQ A is not homogeneous.
B) The DEQ x² + y² + 5xy' = 0:
The term x² has a degree of 2.
The term y² has a degree of 2.
The term 5xy' has a degree of 1 + 1 = 2.
DEQ B is homogeneous.
C) The DEQ x - y - 8xy' = 0:
The term x has a degree of 1.
The term -y has a degree of 1.
The term -8xy' has a degree of 1 + 1 = 2.
DEQ C is not homogeneous.
D) The DEQ 2x + y = yy':
The term 2x has a degree of 1.
The term y has a degree of 1.
The term yy' has a degree of 1 + 1 = 2.
DEQ D is not homogeneous.
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What is another way to express 52 + 24?
8 (6 + 3)
4(13+6)
6 (9+4)
13 (4+2)
Done
Answer:
it's the 2nd one
Step-by-step explanation:
hoped I helped:)
There are twenty books on a shelf. Ten of them are science books, two are social studies, seven are math, and one is reading. What is the probability of choosing a science book, replacing it and then choosing another science book?
Answer: 1/4
Step-by-step explanation: Probability is favorable outcomes/ all outcomes, to first choose a science book, the probability is 10/20, or one-half, and then to pick one again, is also 1/2, so you multiply them together to find the probability of both happening and you get 1/4!
3 Jazmin is mailing two packages. One package weighs 3 pounds, and the other package weighs 20 ounces. What is the total weight of both packages? (1 pound = 16 ounces)
Answer:
68oz
Step-by-step explanation:
1) 3lbs x 16oz = 48
Now we know 3lbs is 48oz. since one pound is 16 ounces, 3 pounds is 48 ounces.
2) 48 + 20 = 68oz
3) The total weight of both packages is 68 ounces.
Jesus loves ya, have a great day!
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John 8:12 - When Jesus spoke again to the people, he said, "I am the light of the world. Whoever follows me will never walk in darkness, but will have the light of life."
no links, will give brainliest
The area of a parallelogram is base x height, or A = bh.
a) A = 6 x 10, so A = 60 cm²
b) A = 15 x 8, so A = 120 cm²
Somebody please help me out. How do I find the surface area of a rectangular prism?
Answer:
A=2(wl+hl+hw)
Step-by-step explanation:
Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.
Answer:
Option (C) 198 cm² will be the answer.
Step-by-step explanation:
Surface area of rectangular prism=2(lb+bh+lh)
where l=length, b=breadth and h=height.
Here, the length is 9cm, breadth is 6cm and height is 3cm.
By applying the formula,
2{(9*6)+(6*3)+(9*3)}
2{54+18+27}
2*99
198cm²
Which system of equations has only one solution?
A
y=x+5 and y=-3x+6
B
y=x-2 and y=x+4
C
y= |x - 5| and y = 0.2x+1
D
y = x^2-1 and y=1.5x + 1
Answer:
A
Step-by-step explanation:
option A has two linear equations that intersect at one point
option B has two linear equations that are parallel and do not intersect
option C has one linear equation and an absolute value equation that intersect at two points
option D has one linear equation and a quadratic equation that intersect at two points
Shade 3/4 on the grid
help pls and tyyy:)))
Pls help! 100 points and im giving brainliest!! Plss help fast!!
Answer:
A. the first one is true because when x = 5, 4x - 1 equals 19. The second inequality doesn't allow for it to equal 19.
B. 9 is the value that makes the equation true. See below for work to show.
Step-by-step explanation:
4x -1 </= 19 is true because it's "less than or equal to" and when you change the x to 5, the answer is exactly 19. 4(5) - 1 = 19. The other sentence is "4x - 1 is less than 19", and that means it can't equal 19 for that sentence to be true.
Math + words = confusion sometimes. Does that make sense?
------------------------------------
Now let's solve
5x + 2 = 47
Subtract 2 from both sides
5x = 45
divide both sides by 5
x = 9
Please lmk if you have questions.
HELP PLEASE!! WILL CROWN BRAINLIEST.....
On October 1, Gary’s bank balance was $130. During October, he made two
withdrawals and one deposit. At the end of the month, his bank balance was
$95. List two withdrawals and one deposit that would give this final balance.
Answer: i am not sure but thanks for the points have a good day
Step-by-step explanation:
What is the surface area of the cylinder with height 5 mi and radius 2 mi? Round your
answer to the nearest thousandth.
Answer:
62.8319 mi²
Step-by-step explanation:
The volume formula here is V = (area of base)(height),
If we fill in the given measurements, we get:
V = π(2 mi)²(5 mi) = 62.8319 mi²
Plz help me out again thanks!!
Answer:
303.2 cubic inches
Step-by-step explanation:
20.6in × 3.8in ×2.9in + 3.7in × 7.1in × 2.9in
= answer
The Lawrence family went out to dinner. The
total amount of dinner was $53.89, and they
decided to add an 18% tip. How much did the
waitress receive for a tip from the Lawrence
family?
Answer: 9.70$
Step-by-step explanation: The equation is 53.89 * 0.18 = 9.7002 but, If you round to the nearest hundred it is 9.70$. Hope this helped!!!
The amount of tip waitress get from the Lawrence family is $63.5902.
What is Percentage?To determine the quantity or percentage of something in terms of 100, use the percentage formula. Per cent simply means one in a hundred. Using the percentage formula, a number between 0 and 1 can be expressed. A number that is expressed as a fraction of 100 is what it is. It is mostly used to compare and determine ratios and is represented by the symbol %.
Given:
The total amount of dinner was $53.89.
Tip= 18%
So, the tip amount will be
= 53.89 x 18/100
= 53.89 x 0.18
= 9.7002
And, the total amount to pay
= 53.89+ 9.7002
= $63.5902
Hence, the amount of tip waitress get is $63.5902.
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2
A = 4.86 yd
b=
h= 1.8 yd
b= 2.7 yd
The answer is: 2.7yd
(+6) ÷ (+2) =
answer choices
+12
+8
+4
+3
-3
Answer:
+3
Step-by-step explanation:
(+6) ÷ (+2)
=6/2
Divide the numbers; 6/2=3
=3
Hope this helped!!!
A manufacturer claims that the average tensile strength of thread A exceeds the average tensile strength of thread B by at least 12 kilograms. To test this claim, 50 pieces of each type of thread were tested under similar conditions. Type A thread had an average tensile strength of 56.7 kilograms with a standard deviation of 6.28 kilograms, while type B thread had an average tensile strength of 77.8 kilgorams with a standard deviation fo 5.61 kilograms. How large should the sampes be if the power of the test is to be .95 when the true difference between thread types A and B is 8 kilograms.
Answer : The required sample size is approximately 26 for each type of thread so that the power of the test is 0.95 when the true difference between thread types A and B is 8 kilograms.
Explanation :
Let's assume µ₁ to be the average tensile strength of thread A and µ₂ to be the average tensile strength of thread B. To test the claim that the average tensile strength of thread A exceeds the average tensile strength of thread B by at least 12 kilograms. That is,µ₁ - µ₂ ≥ 12 The null hypothesis H₀ is: µ₁ - µ₂ ≤ 12 and, the alternative hypothesis H₁ is: µ₁ - µ₂ > 12. The sample sizes for the two types of thread are n₁ = n₂ = 50. Given that thread A has an average tensile strength of 56.7 kilograms with a standard deviation of 6.28 kilograms, while thread B has an average tensile strength of 77.8 kilograms with a standard deviation of 5.61 kilograms. To determine the sample size required to achieve a power of 0.95 when the true difference between thread types A and B is 8 kilograms, we use the formula for the power of the test as follows: Power = P (Z > z₁-α - (zβ/√n))P (Z > z₁-α - (zβ/√n)) = 0.95. When the true difference between thread types A and B is 8 kilograms, that is,µ₁ - µ₂ = 8. The population variance of the two groups areσ₁² = 6.28² = 39.54σ₂² = 5.61² = 31.63 The pooled variance is given by:S² = [(n₁ - 1)S₁² + (n₂ - 1)S₂²] / (n₁ + n₂ - 2) = [(49)(39.54) + (49)(31.63)] / (50 + 50 - 2) = 70.585 n = (z₁-α + zβ)² * S² / δ² Where z₁-α = critical value at α level of significance = 1.65 for a one-tailed test at α = 0.05.zβ = critical value at β level of significance = 1.65 + 0.84 = 2.49 for 0.95 power of the test.δ = µ₁ - µ₂ = 8 Substituting the values, we get n = (1.65 + 2.49)² * 70.585 / 8²≈ 25.8
Hence, the required sample size is approximately 26 for each type of thread so that the power of the test is 0.95 when the true difference between thread types A and B is 8 kilograms.
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Find the value of x.
Answer: 55
Step-by-step explanation:90-31= 59
59-4=55
Seventh grade
> CC.5 Calculate mean absolute deviation YNM
In the data set below, what is the mean absolute deviation?
3
3
2
9
8
8
If the answer is a decimal, round it to the nearest tenth.
mean absolute deviation
Answer:2.8333
Step-by-step explanation:
is 0. overline 19 rational or irrational? Explain.
Answer:
19/99
Step-by-step explanation:
Lines need to be painted on the field at a football stadium. The painter estimated that one can of paint would last 11 yards. How many cans of paint will be needed to paint the length of the 100-yard field?
I've been stuck on this question for two days :,) the answers are A.8 B.10 C.12 D.14
Can someone please tell me the answer?
Answer:
area = pi*24^2/4 = 452 yd^2
so that means you will need 452/59 = 7.6 (or 8) gallons
A polygon has vertices at (-1,1), (1,1), (1,-1) & (-1,-1) what is the perimeter in units of the polygon
Answer:
8
Step-by-step explanation:
A group of researchers at UCLA are selecting existing multiple-item scales to measure depression. They found that in a previous study, "Depression Index of Diagnosis" had a Cronbach’s alpha of 0.93, "Adolescent’s Depression Scale" had a Cronbach’s alpha of 0.69. They decided to use "Depression Index of Diagnosis" because it has a higher _____ than the other and only when it is _________ it can be _________. Which is the answer A, B, C or D?
A. Reliability; valid; reliable
B. Validity; valid; reliable
C. Reliability; reliable; valid
D. Validity; reliable; valid
We can see here that option A. Reliability; valid; reliable completes the sentence.
Who is a researcher?A researcher is an individual who engages in the systematic investigation and study of a particular subject or topic to expand knowledge, gain insights, and contribute to the existing body of information in that field. Researchers can be found in various disciplines, such as science, social sciences, humanities, technology, and more.
Thus, it will be:
They decided to use "Depression Index of Diagnosis" because it has a higher reliability than the other and only when it is valid it can be reliable.
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which answer choice correctly shows 0.3% as a decimal?
a.300
b.3
0c.0.03
d.0.003
d.0.003 choice correctly shows 0.3% as a decimal.
Here, we have,
given that,
the percent is: 0.3%
now, we know that,
percentage, a relative value indicating hundredth parts of any quantity. One percent (symbolized 1%) is a hundredth part; thus, 100 percent represents the entirety and 200 percent specifies twice the given quantity. percentage.
now, we get,
0.3%
=0.3 ÷ 100
=0.003
now, we know, 0.003 is a decimal.
so, we get,
d.0.003 choice correctly shows 0.3% as a decimal.
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What amount paid on September 19 is equivalent to $1,900 paid on the following December 1 if money can earn 5.9%? (Use 365 days a year. Do not round intermediate calculations and round your final answer to 2 decimal places.)
The amount paid on September 19 that is equivalent to $1,900 paid on December 1, with an interest rate of 5.9% compounded daily, is approximately $1,930.53.
How to calculate equivalent payment amount?To determine the amount paid on September 19 that is equivalent to $1,900 paid on December 1, we can use the concept of compound interest.
The formula to calculate compound interest is:
A = P(1 + r/n)^(nt)
Where:
A = final amount
P = principal amount (initial payment)
r = annual interest rate (in decimal form)
n = number of times interest is compounded per year
t = time in years
In this case, we need to find the equivalent amount on September 19. The time between September 19 and December 1 is approximately 74 days.
Using the formula, we can calculate the equivalent amount as follows:
A = 1900(1 + 0.059/365)^(365/74)
Calculating this expression will give us the equivalent amount on September 19. Let me calculate that for you.
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Write an equation for the plane that contains the points (0, -1,3), (2,2,1), and (-3, 2,5) in (a) Point- Normal Form (b) General form (C) Vector form (d) Parametric form
(a) Point-Normal Form: -11x - 8y - 9z + 45 = 0
(b) General Form: -11x - 8y - 9z + 45 = 0
(c) Vector Form: r = (0, -1, 3) + s(11, 8, 9) + t(0, 0, 1)
(d) Parametric Form: x = 11s, y = -1 + 8s, z = 3 + 9s + t
(a) Point-Normal Form:
To find the equation of a plane in point-normal form, we need a point on the plane and the normal vector to the plane. Let's choose the point (0, -1, 3) from the given points. To find the normal vector, we can take the cross product of two vectors formed by the points.
Vector 1: (2, 2, 1) - (0, -1, 3) = (2, 3, -2)
Vector 2: (-3, 2, 5) - (0, -1, 3) = (-3, 3, 2)
Normal Vector: N = (2, 3, -2) x (-3, 3, 2) = (-11, -8, -9)
Using the point (0, -1, 3) and the normal vector (-11, -8, -9), the equation of the plane in point-normal form is:
-11(x - 0) - 8(y + 1) - 9(z - 3) = 0
(b) General Form:
To write the equation of the plane in general form, we can rearrange the point-normal form equation:
-11x - 8y - 9z + 45 = 0
(c) Vector Form:
The vector form of the equation can be written as:
r = (0, -1, 3) + s(11, 8, 9) + t(0, 0, 1)
(d) Parametric Form:
The parametric form of the equation can be written as:
x = 0 + 11s + 0t
y = -1 + 8s + 0t
z = 3 + 9s + t
Note: In all forms, s and t represent scalar parameters.
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A particular type of mouse's weights are normally distributed, with a mean of 409 grams and a standard deviation of 24 grams. If you pick one mouse at random, find the following: (round all probabilities to four decimal places) a) What is the probability that the mouse weighs less than 332 grams? b) What is the probability that the mouse weighs more than 480 grams? c) What is the probability that the mouse weighs between 332 and 480 grams? d) Is it unlikely that a randomly chosen mouse would weigh less than 332 grams? No, the likelihood exceeds 5% Yes, the likelihood is less than 50% Yes, the likelihood is less than 5% No, the likelihood exceeds 50% e) What is the cutoff for the heaviest 6% of this type of mouse? grams (round to the nearest whole gram).
a) To find the probability that the mouse weighs less than 332 grams is calculated using the z-score formula which is: z= (x-μ)/σ where, x=332μ=409σ=24z= (332−409)/24z=−3.21
Hence, P (x < 332) = P (z < -3.21)
The probability that the mouse weighs less than 332 grams is approximately equal to 0.0007. Therefore, the answer is 0.0007 (rounded to four decimal places).
b) To find the probability that the mouse weighs more than 480 grams is calculated using the z-score formula which is: z= (x-μ)/σwhere,x=480μ=409σ=24z= (480−409)/24z=2.96
Hence, P (x > 480) = P (z > 2.96)
The probability that the mouse weighs more than 480 grams is approximately equal to 0.0015. Therefore, the answer is 0.0015 (rounded to four decimal places).
c) To find the probability that the mouse weighs between 332 and 480 grams is calculated using the z-score formula which is: P (332 < x < 480) = P (-3.21 < z < 2.96)
Hence, the probability that the mouse weighs between 332 and 480 grams is approximately equal to 0.9980. Therefore, the answer is 0.9980 (rounded to four decimal places).
d) The probability of a randomly chosen mouse weighing less than 332 grams is found to be P (x < 332) = 0.0007 which is less than 5%. Therefore, it is unlikely that a randomly chosen mouse would weigh less than 332 grams. Hence, the answer is "Yes, the likelihood is less than 5%".
e) To find the cutoff for the heaviest 6% of this type of mouse can be done by using the Z-table, that gives the z-score for any given probability. For the heaviest 6%, we need to find the z-score corresponding to a probability of 0.94 (100% - 6%). Hence, the Z-score for 0.94 probability is 1.55. Cutoff weight = μ + Z-score * σ= 409 + 1.55 * 24 = 447.2 ≈ 447 (rounded to the nearest whole gram). Therefore, the answer is 447 (rounded to the nearest whole gram).
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Which of the following is NOT true about logistic regression?
a. The predictor variables can be either continuous or categorical, or a combination of the two.
b. Logistic regression can be used for classification tasks.
c. Logistic regression assumes a symmetric probability distribution of Y
d. Certain coefficients can result in a negative output from the logistic regression equation
The statement which is not true about logistic regression is that logistic regression assumes a symmetric probability distribution of Y. Option C is the correct answer.
Logistic regression assumes a binary or binomial distribution for the response variable Y, representing two possible outcomes (e.g., 0 or 1). It models the relationship between predictor variables and the probability of a specific outcome using a logistic function. Logistic regression can handle predictor variables that are continuous, categorical, or a combination of both.
It is commonly used for classification tasks, where the goal is to predict the probability or class membership of an observation. The coefficients in logistic regression can have any value, including negative values, and they contribute to the log-odds ratio, which is then transformed into probabilities using the logistic function.
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Use Polynomials to Find Perimeter & Area
Find the area of this rectangle.
Answer:
Area of rectangle =
[tex]l \times b[/tex]
= 5x *( 5x -4)
=
[tex] {25x}^{2} - 20x[/tex]
Perimeter of rectangle = 2(l + b)
=2(5x +5x -4)
= 2(10x - 4)
= 20x - 8