Answer:
9
Step-by-step explanation:
period is how often the graph repeats.
x = 1 when graph is at a top peak.
x = 10 when graph is at next top peak.
so the period = 10 - 1 = 9.
In a positively skewed distribution, what order (left to right) will we find the mean, median and more
So the order from left to right would be: Mode, Median, Mean.
In a positively skewed distribution, the mean is typically larger than the median, and the median is larger than the mode.
This can be illustrated in the following way:
Mean: The mean is affected by extreme values in the tail of the distribution, and will be pulled in the direction of the skew. Therefore, in a positively skewed distribution, the mean will be to the right of the median.
Median: The median is the value that separates the lower 50% of the data from the upper 50% of the data. In a positively skewed distribution, the tail of the distribution is on the right-hand side, which means that the median will be closer to the left-hand side than the mean.
Mode: The mode is the most frequent value in the distribution. In a positively skewed distribution, the mode will be the smallest value, located at the left-hand side of the distribution, while the mean and median will be to the right of it.
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Sam is 27 years old his age is 6 yeard greater than 3 times Brandons age whixh method can be used to determine brandons age
Answer:
Brandon is 7 years old
Step-by-step explanation:
(27 - 6) / 3 = 7
27 = Sam's age
6 = years greater compared to/than means subtraction
3 = times greater compared to/than means divion.
27 - 6 is in parentheses because it must be done first.
Please give brainlyest
Have a nice day
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Question 3 (1 point)
A store is having a sale where everything is 25% off. A shirt has an original price of
$30. When paying for the shirt you are offered an additional discount of 10% after
the first discount is taken. What is the final sale price of the shirt?
Discount of $7.50, which we then subtract from the original price to get the discounted price of $22.50.
The process of calculating the final sale price of a shirt that is subject to two discounts can be a bit confusing. However, by breaking down each discount and calculating the percentage, we can arrive at the correct answer.
In this scenario, the first discount is 25% off the original price of $30. To calculate this discount, we multiply the original price by the percentage discount (0.25). This gives us a discount of $7.50, which we then subtract from the original price to get the discounted price of $22.50.
The second discount is 10% off the discounted price of $22.50. To calculate this discount, we multiply the discounted price by the percentage discount (0.10). This gives us a discount of $2.25, which we then subtract from the discounted price to get the final sale price of $20.25.
It's important to note that the order in which we apply the discounts matters. If we had applied the second discount before the first discount, we would have arrived at a different final sale price. Therefore, it's important to follow the correct order of operations when calculating multiple discounts.
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Can someone explain this and help me?
Answer: (2,-5)
Step-by-step explanation:
The slope of the line formed by this set of number is 2 (y increases by 2 for every 1 increase in x). The line has the form y = 2x + b. Enter one of the data points to find b.
y = 2x + b for (2,3)
3 = 2*2 + b
b = -1
The equation is y = 2x - 1
The missing value: y =2*(-2) - 1
y = -5
(2,-5)
What is the volume of this prism?
Answer:
The answer is 13 1/8ft3
Explanation:
Substitute into the formula:
Volume = 3 1/2 x 2 1/2 x 1 1/2
= 7/2 x 5/2 x 3/2
= 105/8
= 13 1/8 ft3
A file that is not connected to a live data set, and that you
receive through either email or an export, is an example of a(n)
_____.
Select one:
a. SQL file
b. Query
c. Excel file
d. Flat file
e. Pow
Files that are not linked to a live dataset and that you receive via email or export are examples of a(n) flat files. So, here the option(d) is correct choice for answer.
A single table of data is contained by flat file. It allows users to specify data attributes, such as columns and data types, on a table-by-table basis and stores these attributes separately from the application. This type of file is often used to import data into data warehouse projects.
In a flat file database, each line of a plain text file contains a single record. Records are separated by using tabs and commas. The one of advantage of a flat file database is that it is easy to understand and can help us sort results easily. A data set that is not directly connected to a data source. These are usually exported as csv or excel files that you manage yourself or email to you.
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EXPLAIN THE MISTAKE
FIND THE CORRECT ANSWER
SOMEONE PLEASE HELP ME ILL GIVE YOU BRAINLIST ANSWER!!!!
Answer:
Step-by-step explanation:
Supplementary angles add up to 180 degrees.
4) 180-47=133
5) 115+5x-10=180
125+5x=180
5x=55
x=11
My brainly isn't working. Please refer to the picture below. Hope this helps :)
What is 2.5 as a fraction?
Answer: 5/2
fraction of 2.5 is 5/2
Answer:
2 1/2 or 5/2 as improper fraction
2 is a whole number and you have .5 left over
To convert to fraction .5 is the same as 1/2
So it gives you 2 1/2
By the way thanks for the Brainly points :)
a rectangular beam is 15 in. wide and 30 in. deep. determine the required spacing of no. 4 (no. 13) closed stirrups for a factored shear of 80 kips and factored torsional moment of 50 ft-kips. the stirrup centroid is located 1.75 in. from each concrete face. the effective depth is 26.5 in.
After calculations, it is determined that the required spacing of the closed stirrups is approximately 6 inches.
To determine the required spacing of closed stirrups for the given beam, we need to consider the factored shear and factored torsional moment. The formula for calculating the spacing of closed stirrups is given by:
s = (0.75√(f'c) / fy) * (Av / (bd - 2s))
where:
s = spacing of stirrups
f'c = specified compressive strength of concrete
fy = specified yield strength of steel reinforcement
Av = area of one closed stirrup
b = width of the beam
d = effective depth of the beam
Given information:
Width (b) = 15 in.
Effective depth (d) = 26.5 in.
Factored shear = 80 kips
Factored torsional moment = 50 ft-kips
Stirrup centroid from concrete face = 1.75 in.
No. 4 (no. 13) closed stirrup size = 0.2 square inches
First, we need to calculate the area of one closed stirrup:
Av = (No. of stirrups) * (Area of one stirrup)
Av = (2) * (0.2 square inches)
Av = 0.4 square inches
Next, we can substitute the values into the formula to calculate the spacing (s):
s = (0.75√(f'c) / fy) * (Av / (bd - 2s))
Assuming f'c = 4 ksi (common value for concrete strength) and fy = 60 ksi (common value for steel reinforcement strength), we can calculate:
s = (0.75√(4) / 60) * (0.4 / (15 * 26.5 - 2s))
Simplifying the equation, we get:
s = 0.0986 / (397.5 - 30s)
To solve for s, we can use an iterative approach or trial and error method. By substituting different values of s into the equation, we can find the spacing that satisfies the equation.
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Find the total differential of the function. \[ f(x, y)=x^{2} e^{2 y}+y \ln (x) \] \[ d f= \]
The total differential of the function \(\(f(x, y) = x^2 e^{2y} + y \ln(x)\)\) is:
\(\[df = (2x e^{2y} + \frac{y}{x})dx + (2x^2 e^{2y} + \ln(x))dy\]\)
To obtain the total differential of the function \(\(f(x, y) = x^2 e^{2y} + y \ln(x)\)\), we can compute the partial derivatives with respect to each variable and then express the total differential \(\(df\)\) as the sum of the differentials of each variable multiplied by their respective partial derivatives.
Let's calculate it step by step:
1. Calculate the partial derivative with respect to x, denoted as \(\(\frac{\partial f}{\partial x}\)\):
\(\[\frac{\partial f}{\partial x} = 2x e^{2y} + \frac{y}{x}\]\)
2. Calculate the partial derivative with respect to y, denoted as \(\(\frac{\partial f}{\partial y}\)\): \(\[\frac{\partial f}{\partial y} = 2x^2 e^{2y} + \ln(x)\]\)
3. Express the total differential \(\(df\)\) using the calculated partial derivatives:
\(\[df = \frac{\partial f}{\partial x}dx + \frac{\partial f}{\partial y}dy\]\)
Substituting the values of the partial derivatives we obtain the total total differential of the function \(\(f(x, y) = x^2 e^{2y} + y \ln(x)\)\) as:
\(\[df = (2x e^{2y} + \frac{y}{x})dx + (2x^2 e^{2y} + \ln(x))dy\]\)
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the pithag tells us how the ____ lengths of ______ triangles are related
Pythagorean theorem tells us how the side lengths of right triangles are related.
The Pythagorean theorem, also known as the Pythagorean identity, states that the sum of the squares of the lengths of the two sides forming the right angle is equal to the square of the length of the hypotenuse in any right triangle (the side opposite the right angle). In other words, the Pythagorean theorem can be used to calculate the length of the hypotenuse given the lengths of the two sides of a right triangle.
This relationship can be written as the equation:
\(a^2 + b^2 = c^2\)
where a and b are the lengths of the legs, and c is the length of the hypotenuse. The Pythagorean Theorem is named after the ancient Greek mathematician Pythagoras, who is credited with its discovery.
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what is the difference between ka and kb and what is the mathematical relationship between them?
Ka and Kb are both acid-base equilibrium constants, but they apply to different types of reactions. Ka (acid dissociation constant) is used to describe the dissociation of an acid in water, while Kb (base dissociation constant) is used to describe the dissociation of a base in water.
Specifically, Ka is a measure of the strength of an acid in terms of how easily it donates a proton (H+) to a solvent like water. A higher Ka value indicates a stronger acid, while a lower Ka value indicates a weaker acid. Kb, on the other hand, is a measure of the strength of a base in terms of how easily it accepts a proton (H+) from a solvent like water. A higher Kb value indicates a stronger base, while a lower Kb value indicates a weaker base. There is a mathematical relationship between Ka and Kb for conjugate acid-base pairs, which are molecules or ions that differ by the presence or absence of a single proton. The relationship is expressed by the equation: Ka x Kb = Kw, where Kw is the ion product constant for water, which is 1.0 x 10⁻¹⁴ at 25°C. This relationship shows that the stronger the acid, the weaker its conjugate base, and vice versa.
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Find the equation of the straight line passing through the point (3, 5)
which is perpendicular to the line
y = 3x + 2
Answer:
y = -1/3x +6
Step-by-step explanation:
You want the equation of the line through (3, 5) perpendicular to the line y = 3x +2.
Perpendicular lineThe given equation is in slope-intercept form. This lets us identify its slope as 3.
y = mx + b . . . . . . line with slope m and y-intercept b
y = 3x +2 . . . . . . . line with slope 3 and y-intercept 2
The perpendicular line will have a slope that is the opposite reciprocal of this:
m = -1/3 . . . . slope of the perpendicular line
Point-slope formThe equation for a line with slope m through point (h, k) is ...
y -k = m(x -h)
The equation for a line with slope -1/3 through point (3, 5) is ...
y -5 = -1/3(x -3)
Slope-intercept formSolving for y gives us ...
y = -1/3x +1 +5 . . . . . eliminate parentheses, add 5
y = -1/3x +6 . . . . . equation of the desired line
<95141404393>
what does y equal?
Answer:
\(y=-4x+17\)
Step-by-step explanation:
\(\begin{pmatrix}4&1\end{pmatrix}\quad \mathrm{and}\quad \begin{pmatrix}2&9\end{pmatrix}\)
\(\mathrm{Computing\:dot\:product\:of\:two\:vectors}:\quad \left(x_1,\:\:\ldots ,\:\:x_n\right)\cdot \left(y,\:\:\ldots ,\:\:y_n\right)=\sum _{i=1}^nx_iy_i\)
\(=4\cdot \:2+1\cdot \:9\)
\(=17\)
If m∠PTS = 43.what is m∠QTR?
We have from the picture that
\(m\measuredangle PTS,m\measuredangle QTR\)These angles are vertical angles and, by definition, they are congruent. Then
\(m\measuredangle PTS\cong m\measuredangle QTR=43\)what's the value of given expression
\( \sqrt{41 - 5} \)
Answer:
6
Step-by-step explanation:
\(\sqrt{41-5} \\\\\sqrt{36} \\\\6\)
What is the area of each circle? Use 3.14 for . Round to the nearest tenth if necessary.
Hello!
area
= πr²
= 3.14 * (3ft)²
= 3.14 * 9ft²
= 254.34ft²
≈ 254.3ft²
Justin earned $50 mowing yards and $19 washing cars. He wants to divide his money into 3 equal accounts.
How much will he put in each account? Complete the explanation.
Justin will put $
into each account.
First add $50 and $19 to find how much money Justin earned. Justin earned a total
of $
mowing yards and washing cars. Then divide the total by
to find out how much money will go into each account.
Answer:
$23
Step-by-step explanation:
50 + 19 is 69, and since Justin wants to divide the money into 3 parts. Just divide the total (69) by 3, to get 23. So, Justin will put $23 into the three of the accounts.
Your Company decides to sue a dynamite transporting company whose truck driven by an employee of the transporting company negligently drove into your store front and blew up your store and for that matter the entire block. To win your case, your standard of proof is
The win for your case against the dynamite transporting company, your standard of proof would likely be based on the preponderance of evidence.
In civil cases, such as personal injury or property damage claims, the standard of proof is generally based on the preponderance of evidence. This standard requires the plaintiff (in this case, your company) to present evidence that convinces the court that it is more likely than not that the defendant (the dynamite transporting company) is responsible for the harm or damages.
To meet the preponderance of evidence standard, you would need to present compelling evidence and arguments that demonstrate the negligence of the dynamite transporting company and its employee. This may include eyewitness testimony, surveillance footage, accident reports, expert opinions, and any other relevant evidence that supports your claim. It is crucial to establish a causal connection between the negligent actions of the company's employee, the truck accident, and the subsequent destruction of your store and the surrounding block.
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What is the surface area of the square pyramid 17ft 9ft 17ft
Answer:
The surface area of the square pyramid with dimensions 17 ft x 9 ft x 17 ft is 595 square feet.
Step-by-step explanation:
To calculate the surface area of a square pyramid, we need to add the area of the base to the sum of the areas of the four triangular faces.
For a square pyramid with side length s and slant height l, the surface area can be calculated as follows:
Surface area = s^2 + 2sl
where s is the length of one side of the square base, and l is the slant height of the pyramid, which is the height of each of the four triangular faces.
In your case, the dimensions given are 17 ft for the base and 9 ft for the height, which is also the slant height. Therefore, we can calculate the surface area as:
Surface area = 17^2 + 2(17)(9)
Surface area = 289 + 306
Surface area = 595
capital de inicio de bisuteria
La capital de inicio de bisutería puede referrese to diferentes ciudades o regiones que son conocida por ser centros importantes en la industria de la bisutería. Some of the most famous cities in this sense are: Bangkok, Thailand, Guangzhou, China, Jaipur, India, Ciudad de México, México.
La capital de inicio de bisutería puede referrese to diferentes ciudades o regiones que son conocida por ser centros importantes en la industria de la bisutería. Some of the most famous cities in this sense are:
Bangkok, Thailand: Bangkok is known as one of the world capitals of jewelry. The city hosts a large number of factories and factories that produce a wide variety of jewelry and fashion accessories at competitive prices.
Guangzhou, China: Guangzhou is another important center of production of jewelry. The city has a long tradition in the manufacture of jewelry and is home to numerous suppliers and wholesalers in the field of jewelry.
Jaipur, India: Jaipur is famous for its jewelry and jewelry industry. La ciudad es conocida por sus preciosas piedras y su artesanía en el diseño y manufacture de joyas.
Ciudad de México, México: Mexico City is an important center for the jewelry industry in Latin America. The city has a large number of jewelry designers and manufacturers who offer unique and high quality products.
These are just some of the cities that stand out in the jewelry industry, and it is important to keep in mind that this field can have production and design centers in different parts of the world.
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Why do people think maths as a hard subject
Do you feel math is hard
a number is 10 more than another number. twice the sum of the two numbers is 44 . find the two numbers.
Answer:
The two numbers are 8 and -2
Step-by-step explanation:
a=b+10
2(a+b)=12
you then substitute the first equation's value for a into the second equation.
2(b+10+b)=12
2(2b+10)=12
4b+20=12
b+5=3
b=-2
Then you substitute this value for b back into the first equation.
a=b+10
a=-2+10
a=8
The purchased cost of a 5-m3 stainless steel tank in 1995 was $10,900. The 2-m-diameter tank is cylindrical with a flat top and bottom. If the entire outer surface of the tank is to be covered with 0.05-m-thickness of magnesia block, estimate the current total cost for the installed and insulated tank. The 1995 cost for the 0.05-m-thick magnesia block was $40 per square meter while the labor for installing the insulation was $95 per square meter.
The estimated current total cost for the installed and insulated tank is $12,065.73.
The first step is to calculate the surface area of the tank. The surface area of a cylinder is calculated as follows:
surface_area = 2 * pi * r * h + 2 * pi * r^2
where:
r is the radius of the cylinder
h is the height of the cylinder
In this case, the radius of the cylinder is 1 meter (half of the diameter) and the height of the cylinder is 1 meter. So the surface area of the tank is:
surface_area = 2 * pi * 1 * 1 + 2 * pi * 1^2 = 6.283185307179586
The insulation will add a thickness of 0.05 meters to the surface area of the tank, so the total surface area of the insulated tank is:
surface_area = 6.283185307179586 + 2 * pi * 1 * 0.05 = 6.806032934459293
The cost of the insulation is $40 per square meter and the cost of labor is $95 per square meter, so the total cost of the insulation and labor is:
cost = 6.806032934459293 * (40 + 95) = $1,165.73
The original cost of the tank was $10,900, so the total cost of the insulated tank is:
cost = 10900 + 1165.73 = $12,065.73
Therefore, the estimated current total cost for the installed and insulated tank is $12,065.73.
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Bethany’s mom made her a sandwich with a length of 8 cm and a height of 6 cm. If she cuts it in half diagonally as shown, what is the length of the cut edge?
Answer:
10
Step-by-step explanation:
a^2 + b^2 = c^2 (Pythagorean Theorem)
The length is 8(a)
The width is 6(b)
C is the unknown
8^2+6^2 = 100
then you need to square root the 100
\(\sqrt{100} = 10\)
Consider the first 2 terms of the sequence 28, 14,....
Suppose the sequence 28, 14,... is arithmetic
Determine the common difference
The common difference of the arithmetic sequence is found as -10.
What is defined by the term arithmetic sequence?The arithmetic sequence is indeed the sequence in which the common differences between any 2 successive terms remains constant. Let us review what a sequence is.We have two formulas for arithmetic sequences.The formula for determining the nth term in an arithmetic sequence.The formula for calculating the sum of an arithmetic sequence's first n termsFor the given question;
The arithmetic sequence is given as;
28, 14,....
Where 28 is the first term; a₁ = 24.
14 is the second term; a₂ = 14.
Then the common difference 'd' is calculated as;
d = a₂ - a₁
put the values.
d = 14 - 24
d = - 10
Thus, the common difference of the arithmetic sequence is found as -10.
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A container is 1/3 full of water and 1/4 of oil. What fraction of the container is empty?
Just subtract the sum of 1/4 and 1/3 on 1
.
1 - [(1/3) + (1/4)]
Get the least common denominator. LCD = 12
= 12/12 - [(4/12) + (3/12)]
= 12/12 - (7/12)
= 5/12
.
Therefore, 5/12 of the tank is empty.
What is true about the slopes of lines that are perpendicular?
A They have opposite signs
B They are reciprocals of each other
C They have opposites signs and are reciprocals of each other
D They are exactly the same
A jet ski rental company charges h dollars for the first hour its jet skis are rented and k
dollars per hour for each hour rented after the first. If a jet ski is rented for t total hours,
where t is an integer greater than 2, which of the following represents the total rental cost
of the jet ski?
h+t+k
B
h+ tk
h+k(t-1)
h+k(t + 1)
h+
Answer:
C. h + k (t - 1)
Step-by-step explanation:
If we use an example, you can plug in the numbers and test out which equation works. Say the first hours costs $10 and each hour after that is an additional $5. If someone rents a jet ski for 4 hours, how much did it cost?
The first hour = $10
The 3 additional hours (totaled) = $15
Cost = $25
So now that we know the cost, we can plug in our numbers to these equations to find which one comes out with $25.
h = 10
k = 5
t = 4
A. 10 + 4 + 5 = 19
B. 10 + (4 · 5) = 10 + 20 = 30
C. 10 + 5 (4 - 1) = 10 + 5 (3) = 10 + 15 = 25
D. 10 + 5 (4 + 1) = 10 + 5 (5) = 10 + 25 = 35
E. 10 + (4/5 - 1) = 10 + (-0.2) = 9.8
C is the only problem that comes out as $25, therefore it must be the correct answer.
Which of the lines below is a line of symmetry?
Answer:
D. Both
Step-by-step explanation:
If you look at one line at a time you'll see that they actually show the exact same thing but the lines are in different spots! Hope this helps!^^