Opinions on writing/English classes vary. Writing can be enjoyable or challenging depending on the person. Some people have writing talent while others need to improve. Many fear making mistakes when writing, from grammatical errors to unclear expression.
What is writing?Writing needs focus, structure, and lucidity, which may appear intimidating. With practice and feedback, writing skills can improve. Writing strengths vary based on personal experiences.
Some may prefer creative writing, while others excel in analysis or persuasion. Identifying strengths and weaknesses helps improve focus. Brainstorming is a useful prewriting tool that generates ideas and organizes thoughts before writing.
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This area model represents a wall poster.
Which expression equals the area of the poster in square meters?
The expression that equals the area of the poster in square metres would be = 1 + 5 hundredths. That is option A.
What is the square?A square is defined as a quadrilateral that has four equal sides and edges of angle 90°.
From the given image, the painted area and the five painted boxes of the unpainted area is a wall poster.
The total number of boxes = 100
The painted boxes that represent the wall poster = 5
The total area of the wall poster = 1 + 5/100.
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When graphing the solution of an inequality on a number line, you will see either an open or closed circle and a part of the line shaded.
Part A:
Describe what an open circle represents and when you would use it.
Part B:
Describe what a closed circle represents and when you would use it.
Part C:
Describe what the shading on the number line represents.
Part A: An open circle on a number line represents an excluded value, indicating that the endpoint is not included in the solution set of the inequality. It is used when the inequality includes the symbols < (less than) or > (greater than), which denote strict inequality.
Part B: A closed circle on a number line represents an included value, indicating that the endpoint is part of the solution set of the inequality. It is used when the inequality includes the symbols ≤ (less than or equal to) or ≥ (greater than or equal to), which denote inclusive inequality.
Part C: The shading on the number line represents the range of values that satisfy the given inequality. It indicates which values make the inequality true. Typically, the shading is done to the right or left of the circle(s) depending on whether the inequality is greater than or less than.
Part A:
For example, if we have the inequality x > 2, we would represent it with an open circle at 2 on the number line. This means that 2 itself is not a valid solution, but any value greater than 2 is included.
Part B:
For example, if we have the inequality x ≥ -3, we would represent it with a closed circle at -3 on the number line. This means that -3 itself is a valid solution, as well as any value greater than or equal to -3.
Part C:
For example, if we have the inequality x > 2, we would shade the portion of the number line to the right of the open circle at 2. The shaded region represents all the values greater than 2 that satisfy the inequality. The shading visually illustrates the solution set and helps identify the range of valid values for the variable in the given inequality.
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Find the area of the circle when the radius is 1/2 in. convert it in feet if 1in=7ft.
Answer:
0.00545 square feet.
Step-by-step explanation:
The area of a circle can be calculated using the formula A = πr², where r is the radius of the circle. Given a radius of 1/2 in, the area of the circle is:
A = π * (1/2)² = π/4 square inches
To convert this to square feet, we need to know how many square inches are in a square foot. Since 1 foot is equal to 12 inches, 1 square foot is equal to 12² = 144 square inches. Therefore, to convert square inches to square feet, we need to divide by 144:
A = (π/4) square inches * (1 square foot/144 square inches) = π/(4*144) square feet
Simplifying:
A ≈ 0.00545 square feet (rounded to five decimal places)
So the area of the circle when the radius is 1/2 in is approximately 0.00545 square feet.
What is the y-intercept of =−3−7xy
The y-intercept is (0, -3)
The y-intercept is the point where the line on the graph cuts the y-axis.
To find the y-intercept, we let x equal to zero and solve for y.
y = -3 - 7x (given equation)
Substitute x = 0 in the equation,
y = -3 - 7(0)
y = -3 - 0
y = -3
Thus we can conclude that the y-intercept for the given equation y = -3 - 7x is (0, -3).
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PQ= RQ and PS= RS a=?
The measure of angle a is 15 degrees and this can be determined by using the properties of the isosceles triangle.
What are interior angles?In geometry, interior angles are formed in two ways. One is inside a polygon, and the other is when parallel lines cut by a transversal. Angles are categorized into different types based on their measurements.
Given:
The length of the segment PQ is equal to the length of the segment RQ.The length of the segment PS is equal to the length of the segment RS.The following steps can be used in order to determine the measure of angle a:
Step 1 - According to the given data, it can be concluded that triangle PQR and triangle PSR are isosceles triangles.
Step 2 - Apply the sum of interior angle property on triangle PQR.
\(\angle\text{Q}+\angle\text{P}+\angle\text{R}=180\)
\(\angle\text{Q}+2\angle\text{R}=180\)
\(2\angle\text{R}=180-60\)
\(\angle\text{R}=60^\circ\)
Step 3 - Now, apply the sum of interior angle property on triangle PSR.
\(\angle\text{P}+\angle\text{S}+\angle\text{R}=180\)
\(\angle\text{S}+2\angle\text{R}=180\)
\(2\angle\text{R}=180-90\)
\(\angle\text{R}=45^\circ\)
Step 4 - Now, the measure of angle a is calculated as:
\(\angle\text{a}=60-45\)
\(\angle\text{a}=15\)
The measure of angle a is 15 degrees.
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Greyson reads 36 1/3 pages in 40 minutes, or 2/3 of
an hour. At this rate, how many pages can he read
in one hour?
Answer:
18 1/6+31 1/3= 49 1/2 pages in one hour.
Step-by-step explanation:
Hope this help and have a wonderful day!!!
Shayla has 6— pounds of potato salad into containers each of which holds 1— pounds. How many containers does she need?
Answer:
she needs 6 containers.
Step-by-step explanation:
1 pound goes into each container. 6/1=6 so she needs 6 containers.
Use cylindrical coordinates to evaluate
∫∫∫ xyzdv
where E is the solid in the first octant that lies under the paraboloid. z= 4-z² - y².
To evaluate the triple integral ∫∫∫ xyzdv using cylindrical coordinates, we need to express the integral in terms of the cylindrical coordinates (ρ, φ, z).
The given solid E lies under the paraboloid z = 4 - z² - y². In cylindrical coordinates, this paraboloid equation becomes z = 4 - ρ² - y².
To set up the triple integral, we need to determine the limits of integration for each variable.
Since the solid lies in the first octant, the limits of integration are as follows:
ρ: from 0 to some value ρ₁
φ: from 0 to π/2
z: from 0 to the upper limit of the paraboloid, which is given by the equation z = 4 - ρ² - y².
Now we can set up the triple integral:
∫∫∫ xyzdv = ∫₀^(π/2) ∫₀^ρ₁ ∫₀^(4-ρ²-y²) (ρcosφ)(ρsinφ)z dz dρ dφ
Simplifying the integrand and integrating, we can evaluate the triple integral to obtain the final result.
Note: The specific value of ρ₁ and the complexity of the integration depend on the precise shape of the solid E, which is not provided in the given information. Therefore, the final evaluation of the integral requires additional information about the solid E.
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A ticket for an evening movie costs 1. 5 times more than a ticket for a matineé movie. Enter an equation that can be used to find the price of a ticket to a matineé movie, m, if the cost of a ticket to an evening movie is $13. 50
The price of a ticket for a matinee movie is $9.
Let's use the variable "e" to represent the price of an evening movie ticket, and "m" to represent the price of a matinee movie ticket.
We know that the evening ticket is 1.5 times more expensive than the matinee ticket, which means
e = 1.5m
We also know that the cost of an evening ticket is $13.50, so we can substitute that value into our equation
13.50 = 1.5m
Now we can solve for m
m = 13.50 / 1.5
Divide the numbers and find the value of m
m = $9
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MATHEMATICS
1. A man saw the top of a tower through an angle of elevation of 40 degree. He walked 42m on a straight line towards the tower. He again saw the top of the tower through an angle of elevation of 50 degree. What more distance has the man to walk to get to the base of the tower?
2. Five loaves of bread and three tins of sardines cost N350.00 while two loaves of bread with two tins of sardines cost N180.00. What is the cost of three loaves of bread and three tins of sardines?
3. P varies partly directly as Q and partly inversely as the square of R when P = 1, Q = 2 and R = 3. When P = 2, Q = 1, R = 5. Find Q when P = 3 and R = 4.
Answer:
Step-by-step explanation:
1.
In the diagram, "h" represents the height of the tower, "d" represents the original distance between the man and the tower before he walked 42m, and "x" represents the distance the man still has to walk to get to the base of the tower.Using trigonometry, we can write two equations based on the two angles of elevation:tan(40°) = h / (d + 42)tan(50°) = h / dWe want to solve for x, so we need to eliminate "h" from these equations. To do that, we can isolate "h" in each equation:h = (d + 42) tan(40°)h = d tan(50°)Now we can set these two expressions equal to each other:(d + 42) tan(40°) = d tan(50°)Simplifying and solving for "d", we get:d = 42 / (tan(50°) - tan(40°))Now that we know "d", we can find "x" by subtracting 42 from it:x = d - 42Plugging in the values and using a calculator, we get:d = 78.39x = 78.39 - 42 = 36.39Therefore, the man has to walk an additional 36.39 meters to get to the base of the tower.
p.s if you want the others seperate them, or find someone else.
Step-by-step explanation:
five loaves of bread ands three tins of sardines cost N350.00 while two loaves of bread with
two tins of sardine cost N180.00 what is the cost of three loaves of bread and three tins of sardine
Which of the following is the best example of vestigial structures?
O thick fur on a polar bear
sharp beaks on a bird
O wings of a dragonfly
O wisdom teeth in humans
Plsssss helppp!!!!!!
Answer:
it the last one
Step-by-step explanation:
It is as yet an unproven conjecture that there exist infinitely many pairs of primes that differ by two. These special prime numbers (e.g., 17 and 19, or 1019 and 1021) are sometimes known as "prime pairs" but are best known as what?
These special prime pairs are best known as "twin primes."
The question is about the unproven conjecture that there exist infinitely many pairs of prime numbers that differ by two, which are best known as a specific term. These special prime numbers, such as (17 and 19) or (1019 and 1021), are sometimes called "prime pairs" but they are best known as "twin primes."
Twin primes are the pairs of prime numbers that differ by a number of two, such as (3, 5), (5, 7), (11, 13), (17, 19), and so on. The conjecture that there are infinitely many twin primes is one of the oldest unsolved problems in number theory.
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How is the graph of y = -8x2 - 2 different from the graph of y = -8x2?
O
A. It is shifted 2 units to the left.
O
B. It is shifted 2 units to the right.
C. It is shifted 2 units up.
D. It is shifted 2 units down.
Answer:
(Answer D)
Step-by-step explanation:
Please use " ^ " to indicate exponentiation: y = -8x^2 - 2, y = -8x^2
The graph of y = -8x^2 is an inverted parabola with vertex at (0, 0).
That of y = -8x^2 - 2 is the same as above, except that the whole graph has been shifted 2 units down (Answer D).
3. Write an equation in which the quadratic expression 2x^2-2x-12 equals 0. Show the expression in factored form and explain what your solutions mean for the equation. Show your work.
Answer:
x = -2
x = 3
The two x's resemble to roots of the parabola.
Step-by-step explanation:
In the following, I uploaded an image with the steps to the equation.
you own 7 cds. you want to randomly arrange 5 of them in a cd rack. what is the probability that the rack ends up in alphabetical order? be sure to leave your answer as a fraction in order to earn credit.
There is a 1/6720 probability that the rack ends up in alphabetical order.
What are examples and probability?
It is based on the probabilities that something could happen. The logic underpinning probability serves as the foundation for theoretical probability. The theoretical likelihood of receiving a head, for instance, is 12 when a coin is tossed.From given information we have to find probability that the rack ends up in alphabetical order.
n=8
r=5
For alphabetical order we use permitation to find how many way we can done.
nPr= n!/(n - r )!
nPr! = 7!/( 7 -5)! = 25201
25201 we can arrage alphabetically.
Now probability that the rack ends up in alphabetical order.
= 1/25201
There is a 1/6720 probability that the rack ends up in alphabetical order.
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What is the perimiter of the rectangle? Write your answer in scientific notation.
6.2 x 10^6cm (perimiter)
Answer:
68cm
Step-by-step explanation: this is the right answer :)
What is the solution of the norm approximation problem with one scalar variable x E R, minimize ||x 1 – 511, for the following cases? li norm: A The average (1+b)/m of the entries of b B The (or a) median of the entries of b C The largest magnitude entry of b D The midrange point (max b; + min b;)/2 la norm: Α. The average (1Tb)/m of the entries of b B The (or a) median of the entries of b C The largest magnitude entry of b D The midrange point (max b; + min b;)/2 la norm: A The average (1Tb)/m of the entries of b B The (or a) median of the entries of b C The largest magnitude entry of b D The midrange point (max b; + min bi)/2
li norm: A. The average ((1 + b)/m) of the entries of b: The solution would be to minimize ||x - 1||, B. The (or a) median of the entries of b: The solution would be to minimize ||x - m||, C. The largest magnitude entry of b: The solution would be to minimize ||x - max(b)||, D. The midrange point ((max(b) + min(b))/2): The solution would be to minimize ||x - ((max(b) + min(b))/2)||.
la norm: A. The average ((1/m)Σb) of the entries of b: The solution would be to minimize ||x - (1/m)Σb||, B. The (or a) median of the entries of b: The solution would be to minimize ||x - m||, C. The largest magnitude entry of b: The solution would be to minimize ||x - max(|b|)||, D. The midrange point ((max(|b|) + min(|b|))/2): The solution would be to minimize ||x - ((max(|b|) + min(|b|))/2)||.
What is norm?
In mathematics, a norm is a mathematical concept that measures the size, length, or magnitude of a vector or a mathematical object.
To find the solution of the norm approximation problem with the given scalar variable x ∈ ℝ and the norm types (li norm and la norm) for the specified cases, let's analyze each case separately:
li norm:
A. The average ((1 + b)/m) of the entries of b: The solution would be to minimize ||x - 1||. This is because taking the average of the entries of b does not involve x, so the norm is simply measuring the distance between x and 1.
B. The (or a) median of the entries of b: The solution would be to minimize ||x - m||, where m is the median of the entries of b. This is because the median is the value that minimizes the absolute differences, so the norm is measuring the distance between x and the median.
C. The largest magnitude entry of b: The solution would be to minimize ||x - max(b)||, where max(b) is the largest magnitude entry in b. This is because the norm is measuring the distance between x and the largest magnitude entry.
D. The midrange point ((max(b) + min(b))/2): The solution would be to minimize ||x - ((max(b) + min(b))/2)||. This is because the midrange point is the value that splits the range between the maximum and minimum values in half, so the norm is measuring the distance between x and the midrange point.
la norm:
A. The average ((1/m)Σb) of the entries of b: The solution would be to minimize ||x - (1/m)Σb||. This is because the average is the value that minimizes the sum of squared differences, so the norm is measuring the distance between x and the average.
B. The (or a) median of the entries of b: The solution would be to minimize ||x - m||, where m is the median of the entries of b. This is because the median is the value that minimizes the absolute differences, so the norm is measuring the distance between x and the median.
C. The largest magnitude entry of b: The solution would be to minimize ||x - max(|b|)||, where max(|b|) is the largest magnitude entry in b. This is because the norm is measuring the distance between x and the largest magnitude entry.
D. The midrange point ((max(|b|) + min(|b|))/2): The solution would be to minimize ||x - ((max(|b|) + min(|b|))/2)||. This is because the midrange point is the value that splits the range between the maximum and minimum absolute values in half, so the norm is measuring the distance between x and the midrange point.
In summary, the solution for each case depends on the specific norm type and the property of b that is being used (average, median, largest magnitude, midrange point).
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Where would parenthesis need to be placed in the expression to get a value of 44?
A
2+32×(5−3)
B
2+(32×5)−3
C
(2+32)×5−3
D
(2+3)2×5−3
Answer:
one of the options are correct
Step-by-step explanation:
Given the expression 2 + 32*5-3, we are to locate the point where parenthesis will be placed to get 44;
There is no point where we are we are going to put parenthesis to get 44
For Option A :
2+32×(5−3)
= 2+ 32 * 2
According to PEMDAS, multiplication is next in precedence
= 2(32*2)
= 2(64)
= 128
For Option B:
2+(32*5)-3
= 2+160-3
= 162-3
= 159
For Option C:
(2+32) * 5 - 3
= 34 * 5 -3
= 170-3
= 167
For Option D:
(2+3)2*5 - 3
5(2)*5 - 3
10*5 -3
= 50 - 3
= 47
From the expansion, none gave us 44, hence none of the options are correct
If the radius of a circle is 18 meters, the diamter is meters.
If the radius of a circle is 18 meters, the diameter is 36 meters.
Answer:
\(\huge\boxed{\sf Diameter = 36\ m}\)
Step-by-step explanation:
Given that,
Radius = 18 m
Diameter:We know that,
Diameter = 2 × radiusDiameter = 2 × 18
Diameter = 36 m\(\rule[225]{225}{2}\)
Find the equation of a line that passes through the points (6,7) and (8,3). Leave your answer in the form y = m x + c.
875537= ? x 10^? i need help on this question
\(\huge \bf༆ Answer ༄\)
The given value can be expressed as ~
\( \sf8.75537 \times 10 {}^{5} \)in one of the properties of logarithms, the division becomes subtraction. explain what it means. provide an example where this property may be applied. include reference(s) in your post.
Explained the quotient property "one of the properties of logarithms, the division becomes subtraction" has been explained with an example
In one of the properties of logarithms, the division becomes subtraction. That is the quotient property of the logarithm
Consider the two positive numbers x and y and a ≠ 0
Then,
\(log_a\) (m /n) = \(log_a\) m - \(log_a\) n
Here division became the subtraction
For example
To find the value of \(log_2\) (15/ 7) we will use the quotient property of logarithm, here the division of the numbers will be subtraction
\(log_2\) (15 / 7) = \(log_2\) 15 - \(log_2\) 7
Therefore, the quotient property of the logarithm has been explained with example
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HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
a) 26
b) 50
Step-by-step explanation:
a ) 5^2 +1 =26
b ) 5 ^2*2=50
(a) let f(x,y) = axy ax2y y3. find div(gradf). div(gradf) = $$ correct: your answer is correct.
The divergence of the gradient of f is div(gradf) = 2ay + 6y.
The divergence of the gradient of f is obtained by taking the second partial derivatives of f with respect to x and y, and then summing them up.
The gradient of f is given by:
∇f = (∂f/∂x, ∂f/∂y) = (ay + 2axy, ax^2 + 3y^2)
Taking the partial derivative of each component of ∇f with respect to its corresponding variable, we have:
∂(∂f/∂x)/∂x = ∂(ay + 2axy)/∂x = 2ay
∂(∂f/∂y)/∂y = ∂(ax^2 + 3y^2)/∂y = 6y
The divergence of ∇f, denoted as div(∇f), is obtained by summing up these partial derivatives:
div(∇f) = ∂(∂f/∂x)/∂x + ∂(∂f/∂y)/∂y = 2ay + 6y
Therefore, div(gradf) = 2ay + 6y.
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Susan has $2.40 in nickels, dimes and quarters. She has two more dimes than nickels and four morequarters than nickels. How many types of each coindoes Susan have?
To solve this problem, we have to use the equivalence of each type in dollars.
Taking x, y and z as the number of nickels, dimes and quarters, we have that:
\(0.05x+0.1y+0.25z=2.40\)0.05 is the equivalence of one nickel in dollars, same for 0.1 and 0.25 with dimes and quarters respectively.
Now, we know that she has 2 more dimes than nickels:
\(y=x+2\)And 4 more quarters than nickels:
\(z=x+4\)We can use the expression for y and z in terms of x in the first equation to find the value of x (number of nickels):
\(\begin{gathered} 0.05x+0.1(x+2)+0.25(x+4)=2.40 \\ 0.05x+0.1x+0.2+0.25x+1=2.40 \\ 0.4x+1.2=2.40 \\ 0.4x=2.40-1.20 \\ 0.4x=1.20 \\ x=\frac{1.20}{0.4} \\ x=3 \end{gathered}\)Once we have found x, we can use it to find y and z using the equations we stated:
\(\begin{gathered} y=x+2 \\ y=3+2 \\ y=5 \\ z=x+4 \\ z=3+4 \\ z=7 \end{gathered}\)It means that Susan has 3 nickels, 5 dimes and 7 quarters.
Help with this math problem theres no 550
Answer:
A. 450 trucks
Step-by-step explanation:
Given
Totally the parking lot can hold 1000 vehiclesOnly 2/5 of the spaces are for carsAnswer
A. 450 trucks
To use the elimination method, you can subtract the two equations in a system of equations to eliminate one of the variables.
Subtract the two equations,
x+ y = 7
2 - 3y = 5
What is the resulting equation?
Answer:
The resulting equation is '4y = 2'.Step-by-step explanation:
Hi there... I understood your "2" as a typo and considering it as x.
x + y = 7-(x - 3y = 5)
x + y = 7-x + 3y = -5
=> 4y = 2Hence, the resulting equation is '4y = 2'
Hoped this helped.
\(BrainiacUser1357\)
Answer:
(6.5, 0.5)Step-by-step explanation:
It seems a typo:
x + y = 7x - 3y = 5Subtract to eliminate x and solve for y:
x + y - x + 3y = 7 - 54y = 2y = 0.5Now you can find the value of x:
x + 0.5 = 7x = 6.5(a) must it be true that log f(n) = ⇥(log g(n))? prove or disprove.
No, it is not required to be accurate. The growth rates of the two functions can vary.
It's not necessary for log f(n) to equal log g(n). Depending on the equation's constants and the inputs to the two functions, the growth rates of the two functions may differ. For instance, log f(n) = 2 log n and log
g(n) = 3 log n,
which are not equal, if
f(n) = n2 and g(n) = n3.
In this instance, log f(n) is equal to (log n) and log g(n) to (log n3), indicating that the two functions grow at various rates. Likely not equal are log f(n) and log g(n) if
f(n) = n and g(n) = n2,
respectively. Log f(n) is defined as (log n) and log Therefore, the statement "log f(n) = (log g(n)" is not necessarily true.
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At the end of a fiscal year, a company has made 1.62 x 77 dollars in profit. The company employs 73 people. How much will
each person receive if the company divides the profit equally among its employees?
Each person will receive $___
Two matchsticks have the same length as three bottle tops. How many bottle tops will have the same length as 50 matchsticks?