Answer:
its 1,456,000
Step-by-step explanation:
first you multiply 200 times 5280 and add 4000 if thats right uon
what comes next in the pattern:
a, b , b , a, a, b, ?
please help asap tysm !!
Answer:
cc
Step-by-step explanation:
hyy it's me vikrant see in your following its my id did you remember me
Mark Twain once said, "The secret of getting started is breaking your complex overwhelming task into small manageable tasks, and then starting on the first one. " How does this quote connect to the process you can use as a writer?
A. Divide the task into pieces and then chose just one to complete in order to write a good story. B. Find the steps a famous writer takes and follow them exactly. C. A well-written story relies on only one step and that is all you need to do as a writer. D. Breaking the story into pieces and then tackling them one at a time can help you as a writer
Mark Twain's quote about breaking down overwhelming tasks into manageable pieces is a valuable lesson for high school students, particularly when it comes to writing. (option d)
In the context of writing, this quote can be particularly helpful. Writing a story or essay can seem like a daunting task, but if you break it down into smaller pieces, it becomes much more manageable. This is where the process of outlining comes in. An outline is essentially a roadmap of your writing, breaking it down into smaller components that you can tackle one at a time.
In mathematical terms, you can think of this process as a series of equations. Each equation represents a small, manageable piece of the overall problem.
By breaking down the problem into smaller equations, you can solve each one individually, which ultimately leads to solving the larger problem. This is similar to how breaking down a writing project into smaller pieces can help you write a well-structured and coherent piece.
Hence the correct option is (d).
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−5(3p+3)+9(−7+p) please solve this help.
iinstall microsoft math and do you task
an engineer designs an improved light bulb. the previous design had an average lifetime of 1,200 hours. the new bulb had a lifetime of 1,200.2 hours, using a sample of 40,000 bulbs. although the difference is quite small, the effect was statistically significant. the most likely explanation is
The engineer's improved light bulb likely has a statistically significant longer lifetime than the previous design, with a small but measurable difference of 0.2 hours.
Statistical significance refers to the probability that the observed difference between two groups (in this case, the old light bulbs and the new ones) is not due to chance alone. If the probability is low enough, we can confidently reject the null hypothesis (that there is no difference between the two groups) and conclude that there is a real difference between them.
In this case, a sample size of 40,000 bulbs is quite large, which increases the statistical power of the test and allows for even small differences to be detected as significant. The fact that the new bulb had a slightly longer lifetime of 1,200.2 hours, compared to the old bulb's average lifetime of 1,200 hours, suggests that the engineer's design improvement was successful in making the bulb last longer.
However, it's important to note that while the effect is statistically significant, the practical significance may be less clear. A difference of 0.2 hours may not make a noticeable impact on the bulb's usefulness or longevity in real-world scenarios. Additionally, other factors such as cost or energy efficiency may also need to be considered when evaluating the success of the new design.
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Can someone plz help with this?
Answer:
A = 20 square units ; Type in 20
Step-by-step explanation:
The simplest way to derive the area of this figure, is to first consider what the shape is itself;
\(Criteria of Shape - 2 Bases, 1 pair of Parallel Sides, Composed of two triangles, one square -From this we See that - Shape ; Trapezoid ( neither Right nor Isoceles )\)
Knowing that the shape is a Trapezoid, consider the formula ( Average of Bases ) * Height as to solve for it's area;
\(Length Of Base 1 - 3 units,\\Length of Base 2 - 7 units,\\Length of Altitude - 4 units,\\\)
Now let us substitute these values, solving for the Area;
\(Area Of Trapezoid - ( ( Base 1 + Base 2 ) / 2 ) * Height,\\ ( ( Base 1 + Base 2 ) / 2 ) * Height = ( ( 3 + 7 ) / 2 ) * 4,\\( 10 ) / 2 * 4 = 5 * 4 = 20 square units,\\\\Conclusion ; Area of Trapezoid = 20 square units\)
Solution; A = 20 square units
Answer:
A=20 (square units)
Step-by-step explanation:
B=XW=8-1=7
b=YZ=5-2=3
h=5-1=4
A=(B+b)*h/2
A=(7+3)*4/2=10*2
A=20 square units
find the value of KN
Answer: KN is 15 units long.
Step-by-step explanation:
3x = x + 10
3x - x = 10
2x = 10
x = 5
KN = x + 10
= 5 + 10
= 15
Marbles There are 70 marbles in the bag. The bag has 31 green marbles, 27 red marbles, and 12 yellow marbles. Silas selects a marble from the bag 20 times, and of those he picks
a red marble 12 times. What is the experimental probability of selecting a red marble? What is the theoretical probability of selecting a red marble?
The experimental probability of selecting a red marble is
(Type an integer or a simplified fraction.)
The experimental probability of selecting a red marble is 12/20, which simplifies to 3/5 or 0.6 as a decimal.
The theoretical probability of selecting a red marble can be calculated by dividing the number of red marbles by the total number of marbles:
P(red) = number of red marbles / total number of marbles
In this case, there are 27 red marbles out of 70 total marbles:
P(red) = 27/70
Therefore, the theoretical probability of selecting a red marble is 27/70, which cannot be simplified further as a fraction. As a decimal, it is approximately 0.386.
Find the inverse Laplace transform of (4+9s)/s^2
The inverse Laplace transform of of (4+9s)/s^2 is
The inverse Laplace transform of (4+9s)/s^2 is given by f(t) = 4t + 9, where f(t) represents the time-domain function.
To find the inverse Laplace transf
orm of (4+9s)/s^2, we can use the property that the inverse Laplace transform of a constant multiplied by a term of the form s^n is equal to t^(n-1)/((n-1)!).
In this case, we have (4+9s)/s^2, which can be rewritten as 4/s^2 + 9s/s^2. Applying the property mentioned above, we get the inverse Laplace transform of 4/s^2 as f₁(t) = 4t and the inverse Laplace transform of 9s/s^2 as f₂(t) = 9.
Therefore, the inverse Laplace transform of (4+9s)/s^2 is the sum of f₁(t) and f₂(t), which gives us f(t) = 4t + 9. Thus, the time-domain function is f(t) = 4t + 9.
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claim amounts for wind damage to insured homes are independent random variables with common density function where is the amount of a claim in thousands. suppose 3 such claims will be made. what is the expected value of the largest of the three claims?
To find the expected value of the largest of the three claims, we will first need to understand the probability density function (pdf) of the maximum of the three independent random variables. The formula is = ∫x * 3 * F(x)^2 * f(x) dx
Let's denote the common density function as f(x), and the cumulative distribution function (CDF) as F(x), where x is the amount of a claim in thousands.
Step 1: Find the CDF of the maximum of three claims
Since the claims are independent random variables, the CDF of the maximum of three claims (denoted as M) is given by the product of the individual CDFs: F_M(x) = F(x)^3.
Step 2: Find the pdf of the maximum of three claims
To obtain the pdf of M, we need to differentiate the CDF with respect to x. Let's denote the pdf of M as f_M(x):
f_M(x) = d(F_M(x))/dx = d(F(x)^3)/dx = 3 * F(x)^2 * f(x).
Step 3: Compute the expected value of the largest claim
The expected value of the largest claim (denoted as E[M]) is given by the integral of the product of the pdf and the variable x over the support of the distribution:
E[M] = ∫x * f_M(x) dx
= ∫x * 3 * F(x)^2 * f(x) dx
To evaluate this integral, you would need the specific form of the common density function f(x) and the cumulative distribution function F(x). However, the general formula for the expected value of the largest claim is provided above.
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Find the area of the figure below
77.25 cm^2 154.5 cm^2 87.55 cm^2 175.1 cm^2
The area of the given triangle is 87.55 square centimeter.
From the given triangle, base=17 cm and height=10.3 cm.
The basic formula for the area of a triangle is equal to half the product of its base and height, i.e., A = 1/2 × b × h.
Here, area of a triangle = 1/2 ×17×10.3
= 87.55 square centimeter
Therefore, area of the given triangle is 87.55 square centimeter.
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a 8-sided die is rolled infinitely many times. let x be the average of the first 39 die rolls. what is var(x)?
The variance of the average of the first 39 die rolls is approximately 0.1346.
What is probability?Probability is a fundamental concept in mathematics and statistics that quantifies the likelihood or chance of an event occurring. It measures the degree of uncertainty associated with an outcome or event.
To calculate the variance of the average of the first 39 die rolls, we need to know the variance of a single roll of an 8-sided die. Assuming the die is fair, with each side equally likely, the variance of a single roll of an 8-sided die can be calculated using the formula:
Var(X) = [(n² - 1) / 12]
where n is the number of sides on the die. In this case, n = 8.
Var(X) = [(8² - 1) / 12]
= [(64 - 1) / 12]
= 63 / 12
= 5.25
Therefore, the variance of a single roll of an 8-sided die is 5.25.
Now, since the average of the first 39 die rolls is taken, and each roll is independent and identically distributed, we can apply the properties of independent and identically distributed random variables to find the variance of the average.
The variance of the average of a set of independent random variables can be calculated by dividing the variance of a single random variable by the sample size.
Var(X) = Var(Y) / n
where Var(X) is the variance of the average, Var(Y) is the variance of a single random variable, and n is the sample size.
In this case, Var(Y) = 5.25 (as calculated above) and n = 39.
Var(X) = 5.25 / 39
= 0.1346
Therefore, the variance of the average of the first 39 die rolls is approximately 0.1346.
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The following table shows the number of candy bars bought at a local grocery store and the
total cost of the candy bars:
Candy Bars 3
5
Total Cost $6.65
8
$10.45 $16.15
12
$23.75
15
$29.45
20
$38.95
25
$48.45
Based on the data in the table, find the slope of the linear model that represents the cost
of the candy per bar: m =
Answer:
The slope of a linear model can be calculated using the formula:
m = Δy / Δx
where:
Δy = change in y (the dependent variable, in this case, total cost)
Δx = change in x (the independent variable, in this case, number of candy bars)
This is essentially the "rise over run" concept from geometry, applied to data points on a graph.
In this case, we can take two points from the table (for instance, the first and last) and calculate the slope.
Let's take the first point (3 candy bars, $6.65) and the last point (25 candy bars, $48.45).
Δy = $48.45 - $6.65 = $41.8
Δx = 25 - 3 = 22
So the slope m would be:
m = Δy / Δx = $41.8 / 22 = $1.9 per candy bar
This suggests that the cost of each candy bar is $1.9 according to this linear model.
Please note that this assumes the relationship between the number of candy bars and the total cost is perfectly linear, which might not be the case in reality.
suppose a test of significance desires to see if there is a difference in mean ssha scores between men and women. which is the appropriate alternative hypothesis?
The appropriate alternative hypothesis is the opposite of null hypothesis that there is a difference in mean SSHA scores between men and women.
The alternative hypothesis is the opposite of the null hypothesis, which is typically stated as there being no difference between the two groups. In this example, the null hypothesis is that there is no difference in mean SSHA scores between men and women. The alternative hypothesis is then that there is a difference in mean SSHA scores between men and women. This can be stated as "There is a difference in mean SSHA scores between men and women". This is the appropriate alternative hypothesis for this test of significance.
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6) Brad's father asked an engineer to survey the field behind their house. He wanted to plant some orange and tangerine trees there. According to the survey, the field is thirty metres long and twenty-six metres wide. What is the perimeter of the field in kilometres?
Answer:
the perimeter of the field in kilometers is 112 km
Step-by-step explanation:
The computation of the perimeter of the field in km is shown below:
As we know that
Perimeter is
= 2(length + width)
= 2(30 + 26)
= 2 (56)
= 112 km
Hence, the perimeter of the field in kilometers is 112 km
Surface Area of Triangular Prism
Instructions: Find the surface area of each figure. Round your answers to the nearest tenth, if necessary.
PLEASE HELP ME!!!
===================================================
Explanation:
Any triangle prism is composed of 2 parallel triangular faces (base faces), along with 3 rectangular lateral faces.
The bottom triangle face has a base of 10 cm and a height of 4 cm. The area is 0.5*base*height = 0.5*10*4 = 20 square cm. Two of these triangles combine to an area of 2*20 = 40 square cm. We'll use this later.
The lateral surface area of any prism can be found by multiplying the perimeter of the base by the height of the prism. The base triangle has side lengths 5, 8 and 10. The perimeter is 5+8+10 = 23. So the lateral surface area is (perimeter)*(height) = 23*9 = 207
Add this to the total base area we got earlier and the answer is 40+207 = 247. The units are in square cm, which we can write as cm^2.
evaluate each expression for the given value of the variable-12/y ; y=3
Given the expression:
\(\text{ }\frac{-12}{y}\)At y = 3, it means that we substitute all the y variables in the expression into 3.
We get,
\(\text{ }\frac{-12}{y}\)\(\text{ = }\frac{-12}{3}\)\(\text{ = -4}\)Therefore, the answer is -4.
Find the range for the measure of the third side of a triangle given the measures
of two sides.
A 4
B.0
c. 6
4
Answer:
B 0<x<12
Step-by-step explanation:
anything bigger won't be able to reach
The range for the measure of the third side can be written as -
0 < x < 12.
What is Parallelogram? What is triangle?
In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. A triangle is a polygon with three edges and three vertices. The sum of all the angles of a triangle is 180 degrees. Mathematically -
∠x + ∠y + ∠z = 180°
There are different types of triangles such as -
equilateral triangle , scalene triangle , isosceles triangle etc.
We have the measures of two sides of a triangle as 4ft and 8ft.
The sum of two sides of a triangle should be less than the third side. So, for the third side -
x < 12
So, we can write the range as -
0 < x < 12
Therefore, the range for the measure of the third side can be written as -
0 < x < 12.
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Find any rational number -5,25 and -5,26
A rational number between -5.25 and -5.26 is -5.251.
What is rational number?
In mathematics, any number that can be written as p/q where q≠0 is considered a rational number. Also, every fraction that has an integer denominator and numerator and a denominator that is not zero falls into the category of rational numbers.
To find a rational number between -5.25 and -5.26, use the fact that the difference between these two numbers is 0.01, or 1/100.
Then choose any rational number between -5.25 and -5.26 by choosing a fraction whose decimal representation has two digits after the decimal point.
For example, choose the fraction -5.251, which is equal to -5251/1000.
This fraction is between -5.25 and -5.26, and it is a rational number because it can be expressed as the ratio of two integers.
Therefore, the rational number is -5.251.
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A health insurance policy pays 80 percent of physical therapy costs after a deductible of $600. In contrast, an HMO charges $30 per visit for physical therapy. How much would a person save with the HMO if he or she had 10 physical therapy sessions costing $150 each?
A person can save $1,200 - $300 = $900 with an HMO if they had ten physical therapy sessions costing $150 each.
A person with an HMO (Health Maintenance Organization) can save a significant amount of money on physical therapy sessions compared to someone with a health insurance policy. Let's calculate the savings a person would have with an HMO for ten physical therapy sessions costing $150 each.
With an HMO, the cost per visit for physical therapy is $30. Therefore, the total cost of 10 physical therapy sessions would be 10 x $30 = $300.
On the other hand, with a health insurance policy, after a deductible of $600, the policy pays 80% of the physical therapy costs. Since each session costs $150, the total cost for ten sessions would be 10 x $150 = $1,500.
The person would have to pay the deductible of $600, which means the insurance will cover 80% of the remaining cost. Therefore, the person will pay $600 (deductible) + $900 (20% of the cost) = $1,200.
In comparison, with an HMO, the person would only have to pay $300 for the ten sessions.
Therefore, a person can save $1,200 - $300 = $900 with an HMO if they had ten physical therapy sessions costing $150 each.
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X+9>21, when x=15 true or false
Answer:
True is the answer
Step-by-step explanation:
x+9>21
now add 15 with 9
24>21 would be a true statement
Answer:
\(\bold{TRUE}\)
Step-by-step explanation:
Hi there!
Plug in the value of x and solve:
15+9>21
24>21
Is 24 greater than 21? Sure.
Thus, \(\bold{TRUE}\) is our final answer.
Hope it helps! Enjoy your day!
~Just a teen willing to help others
\(\bold{GazingAtTheStars}\)
I’m confused on this question. Can anybody help?
Answer:
I believe the answer is 90
Step-by-step explanation:
Answer:
90 degrees
Step-by-step explanation:
Calculate whether an angle is 90 degrees using the Pythagorean Theorem. This well-known theorem is often phrased as "A squared plus B squared equals C squared," which indicates that the sum of the squares of lengths of the adjacent sides of a right triangle is equal to the square of the length of the hypotenuse side.
AYUDAAAAAAAAAAAA
cuadrado de un binomio
(3a + b)²
Answer:
\(9a^{2}\)+6\(ab\)+\(b^{2}\)
Step-by-step explanation:
inverse of f(x)=50000(0.8)^x
Answer:
Step-by-step explanation:
Three items were bought at a car boot sale.
Item A
Mass = 42 grams
Volume = 2 cm
Item B
Mass = 87.5 grams
Volume 5 cm3
Item C
Mass = 147 grams
Volume = 7 cm3
=
The density of platinum is approximately 21 grams per cmº.
Which of the items cannot be platinum?
You must show your working.
9514 1404 393
Answer:
Item B
Step-by-step explanation:
The mass of platinum with the given volumes would be ...
A: (2 cm³)(21 g/cm³) = 42 g . . . matches the given mass
B: (5 cm³)(21 g/cm³) = 105 g . . . greater than the given mass, which is not platinum
C: (7 cm³)(21 g/cm³) = 147 g . . . matches the given mass
__
Item B is too light to be platinum.
Answer:
Item B
Step-by-step explanation:
item b is too light
Joanna is driving 185 miles to visit her family. She drives 68 miles in the morning, stops for lunch, and then drives the rest of the distance. How many miles did she drive after lunch?
Use the variable m to represent the number of miles she drove after lunch.
Which equation represents this situation and its solution?
m + 68 = 185; m = 117
68m = 185; m = 17
m + 185 = 68; m = 117
185m = 68; m = 17
Answer:
The equation represents this situation and its solution are m + 68 = 185; m = 117 ⇒ A
Step-by-step explanation:
Let us solve the question
∵ Joanna is driving 185 miles to visit her family
∴ The total distance she is driving = 185 miles
∵ She drives 68 miles in the morning
∴ d\(_{M}\) = 68 miles
∵ She stops for lunch and then drives the rest of the distance
∵ m represents the number of miles she drove after lunch
∴ d\(_{L}\) = m miles
∵ d\(_{L}\) + d\(_{M}\) = the total distance she is driving
∴ m + 68 = the total distance she is driving
∵ The total distance she is driving = 185 miles
∴ m + 68 = 185
∴ The equation represents this situation is m + 68 = 185
→ To solve the equation subtract 68 from both sides
∵ 68 - 68 + m = 185 - 68
∴ m = 117 miles
∴ The solution is m = 117
What is the length of tho dotted line in the diagram below? Round to the nearest tenth
Answer: 8.1
Step-by-step explanation:
Use the lower triangle to find one of the sides of the triangle that is composed of the dotted line.
\(4^{2} +5^{2} = c^{2} \\41 = c^{2} \\\sqrt{41} = c\\6.40 =c\)
Use this side value along with what we're given in the image to solve for the length of the dotted line. The image gives us a side length of 5 which we can translate to being equal to the opposite side as well. Now, we have two side lengths and can use Pythagorean theorem to solve for the length of the dotted line:
\(6.40^{2} + 5^{2} = x^{2} \\65.96 = x^{2} \\\sqrt{65.96} = x\\8.1 = x\)
What does
2
5
X equal?
5
9
Hey there!
ASSUMING
2/5 * 5/9
CONVERTING #1
= 2(5) / 5(9)
= 10/45
CONVERTING #2
= 10 ÷ 5 / 45 ÷ 5
= 2 / 9
MET THE ANSWER
= 2/9
Therefore, the answer should be: 2/9
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
solve them no need for work
1) Determine Domain of graph below in interval notation
A.D=[-5,5] B.D=[-5,5) C.D=(-5,5) D.D=(-5,5]
2) Determine Range of graph below in set builder notation
Answer: 1) D 2) B, A 3) A
Step-by-step explanation:
Domain is the x-values
Range is the y-values
Graph is a function if no x-values are duplicated
1) option D
(3, 7), (1, 0), (8, 1), (-4, -3), (2, 7)
↓ ↓ ↓ ↓ ↓
Domain: x = {1, 1, 8, -4, 2} → No duplicates so it is a function.
(3, 7), (1, 0), (8, 1), (-4, -3), (2, 7)
↓ ↓ ↓ ↓ ↓
Range: y = {7, 0, 1, -3} 7 is a duplicate so only needs to be listed once
2) Domain = option B, Range = option A
x-values are between -5 (included = bracket) and +5 (not included = parentheses)
y-values are between -5 (included = bracket) and +5 (included = bracket)
3) option A
Domain: x = {1, 4, 5, 7, 9} → 4 matches to both 5 and 7 so is NOT a function
Range: y = {3, 5, 7, 8}
Two rival cleaning companies charge to dust houses. Captain Dustsalot charges
$20 per house call plus $ 12 per room, and Dedusters charges $30 per house call
plus $10 per room. Abigail wants to know how many rooms she must get dusted
so that Captain Dustsalot is more expensive than Dedusters. Which inequality
should she use to figure this out if x represents the number of rooms she gets
dusted?
Answer:
6 rooms
Step-by-step explanation:
20+12x=30+10x
12-10=2
20+2x=30
30-20=10
2x=10
10/2=5
5 rooms to make them equal so 6 rooms to make captain datalot more
The inequality is 20+12x> 30 +10x.
what is an inequality?A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
Given:
Captain Dustsalot charges
$20 per house call
$ 12 per room
Dedusters charges
30 per house call
$10 per room
let x represents the number of rooms she gets dusted.
so, inequality that represents rooms she must get dusted so that Captain Dustsalot is more expensive than Dedusters.
20+12x> 30 +10x
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Karma worked for 7 1/2h. She spent 2/3of the time on her computer. How long was she on her computer?
Answer:
Karma worked for 7 1/2 hours. She spent 2/3 of the time on her computer. To find out how long she was on her computer, we can multiply the total time she worked by the fraction of time she spent on her computer.
Step-by-step explanation:
7 1/2 hours * 2/3 = (15/2) * (2/3) = 30/6 = 5 hours.
Therefore, Karma was on her computer for 5 hours.
Answer:
5
Step-by-step explanation:
We want to multiply a mixed number by a fraction.
7 1/2 * 2/3
Change the mixed number to an improper fraction.
(2 * 7 + 1)/2 = 15/2
15/2 * 2/3
Simplify.
15/3 * 2/2
5 * 1
5