Answer:
301
Step-by-step explanation:
The word common difference indicates that this is an arithmetic sequence
From the formula provided, we're already given the first term (1) and the desired term (which is another word for term position and in this case is 51).
We can find the common difference by subtracting any two consecutive terms, with the first term (term further left) being subtracted from the subsequent term (term further left).
If we use 19 and 25 to find the common difference, we see that the two terms are consecutive subtracting the first term (19) from the subsequent term (25) gives us 25 - 19 = 6 (i.e., the common difference).Now, we can simply plug in everything we have into the formula to find the 51st term
51st term = 1 + 6*(51 - 1)
51st term = 1 + 6*(50)
51st term = 1 + 300
51st term = 301
The 51st term of the arithmetic sequence 1, 7, 13, 19, 25 is 301.
Explanation:To find the 51st term of the sequence 1, 7, 13, 19, 25, we realize it's an arithmetic sequence. In an arithmetic sequence, each term after the first is obtained by adding a constant difference to the preceding term. Here, the constant difference (d) is 6. The general rule for finding the nth term in an arithmetic sequence is:
a + (n-1) * d
where 'a' is the first term (which is 1 in this case), 'n' is the term number we're looking for (which is 51 here), and 'd' is the common difference (6).
Substituting these values in, we get:
1+(51-1) * 6 = 1 + 300 = 301
So, the 51st term of the sequence is 301.
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Can someone please help me
A regular pentagon has an area of 315.25 square meters, and each side of the pentagon measures 9.7 meters. What is the length of an apothem of the pentagon? Enter your answer in the box.
The length of the apothem of the pentagon is 12.96 meters .
What is apothem ?
In geometry, the apothem of a polygon is the distance from the center of the polygon to the midpoint of one of its sides. For a regular polygon (a polygon with all sides and angles equal), the apothem is the perpendicular distance from the center of the polygon to one of its sides.
Explanation:
The formula for the area of a regular pentagon is:
A = (1/2)P × a
where A is the area, P is the perimeter, and a is the apothem.
To solve for the apothem, we need to rearrange the formula and solve for a:
a = (2A) / P
The perimeter of a regular pentagon is given by:
P = 5s
where s is the length of each side.
Substituting the given values, we get:
P = 5s = 5(9.7) = 48.5
A = 315.25
a = (2A) / P = (2 × 315.25) / 48.5 = 12.96
Therefore, the length of the apothem of the pentagon is 12.96 meters (rounded to two decimal places).
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Answer:
Step-by-step explanation:
its 13
Determine whether each relation is a function and give a reason?
1. {(24, 1) , (21 , 4 ) , (3 , 22) , (24 ,5)}
2. y= x + 3
Answer:1.1.this relation is function because domains are not repeated
Step-by-step explanation:
Solve for h -110=13+3(4h-6)
Answer:
H= -35/4
Decimal form: -8.75
Explanation:
Subtract 13 from both sides. { -110 - 13 =3(4h - 6) }Simplify -110 -13 to -123 { -123 = 3 (4h - 6) }Divide both sides by 3 { -123/3 = 4h - 6 }simplify 123/3 to 41 { -41 = 4h - 6 }add 6 to both sides { -41 +6 = 4h }simplify -41 + 6 to -35 { -35 = 4h }divide both sides by 4 { - 35/4 = h }switch sides { h= - 35/4 }a billboard designer has decided that a sign should have 5-ft margins at the top and bottom and 2-ft margins on the left and right sides. furthermore, the billboard should have a total area of 150 ft2 (including the margins). if x denotes the width (in feet) of the billboard, find a function in the variable x giving the area of the printed region of the billboard.
If x denotes the width (in feet) of the billboard, find a function in the variable x giving the area of the printed region of the billboard as a function of x is (150/x - 10)(x - 4).
A billboard designer has decided that a sign should have 5-ft margins at the top and bottom and 2-ft margins on the left and right sides.
x = width of the billboard designer
Total Area including margin = 150 ft^2
Height of the billboard = Area/width
Height of the billboard = 150/x
Before the height of the billboard = (150/x - 5 × 2)
Before the height of the billboard = (150/x - 10) ft
The width of the printed region billboard = (x - 2 × 2)
The width of the printed region billboard = (x - 4) ft
The area of the printed region of the billboard = The width of the printed region billboard × The height of the printed region billboard
The area of the printed region of the billboard = (150/x - 10)(x - 4)
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The complete question is:
A billboard designer has decided that a sign should have 5-ft margins at the top and bottom and 2-ft margins on the left and right sides. Furthermore, the billboard should have a total area of 150 ft^2 (including the margins).
If x denotes the width (in feet) of the billboard, find a function in the variable x giving the area of the printed region of the billboard.
Area as a function of x =
A recent survey by the American Automobile Association showed that a family of two adults and two children on vacation in the United States will pay an average of $247 per day for food and lodging with a standard deviation of $60 per day. Assuming the data are normally distributed, find, the percentage of families who spent: Less than $167 per day
Less than $367 per day
More than $247 per day
More than $350 per day
Between $200 and $300 per day
The daily expense for food and lodging will be 337 which is Less than $367 per day.
What is the z-score?The z-score is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.
The z-score is given as;
z = (x - μ) / σ
Where μ is the mean, σ is the standard deviation, and x is the sample.
Given; A recent survey by the American Automobile Association showed that a family of two adults and two children on vacation in the United States will pay an average of $247 per day for food and lodging with a standard deviation of $60 per day.
Assuming the data are normally distributed if the family had a z-score of 1.5.
Then the daily expense for food and lodging will be;
z = (x - μ) / σ
1.5 = (x - 247) / 60
90 = x - 247
x = 247 + 90
x = 337
Hence, The daily expense for food and lodging will be 337 which is Less than $367 per day.
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The ratio of boys to girls in Mrs. Reiter’s music class is 2 to 3. There are 24 girls in the class.
What is the total number of students in Mrs. Reiter’s music class?
Answer:
40 total students
Step-by-step explanation:
with any ratio, you can look at it like a fraction. 2:3 boys to girls becomes 2/3.
given that there are 24 girls, we can use that number as the denominator of the new fraction, to give us x/24. from here, we need to figure out what number multiplied by 3 (from the original fraction) will give us 24 - we must divide.
24/3 is 8, and so we can back up to the original fraction, 2/3, and multiply the numerator by 8 to give us the numerator for our new fraction.
2•8 is 16, and so our fraction becomes 16/24. add the two numbers together to find the total number of students in the class!
what are the vertex and x-intercepts of the graph of the function given below?
Vertex: (1, -36); intercepts: x = 7, -5 (option D)
Explanation:Given:
\(y\text{ = x}^2\text{ - 2x - 35}\)To find:
the vertex and the x-intercepts
i) Vertex is given as (h, k). To determine the vertex, we will apply the formula:
\(\begin{gathered} h\text{ = }\frac{-b}{2a} \\ k\text{ = f\lparen h\rparen} \\ from\text{ the given equation:} \\ a\text{ = 1, b = -2 c = -35} \\ \\ h\text{ = }\frac{-(-2)}{2(1)}\text{ = 2/2} \\ h\text{ = 1} \\ \\ k\text{ = f\lparen h\rparen} \\ We\text{ will substitute the value of h with x in the given equation} \\ y\text{ =1}^2\text{ - 2\lparen1\rparen - 35} \\ y\text{ = -36} \\ k\text{ = -36} \end{gathered}\)Vertex (h, k): (1, -36)
ii) x-intercept is the value of x when y = 0. To determine x-intercept, we will substitute y with 0. Then solve for x
\(\begin{gathered} 0\text{ = x}^2\text{ - 2x - 35} \\ x^2\text{ - 2x - 35 = 0} \\ factors\text{ of -35 whose sum gives -2 are -7 and 5} \\ -7(5)\text{ = -35} \\ -7+5\text{ = -2} \\ \\ x^2-\text{ 7x + 5x - 35 = 0} \end{gathered}\)\(\begin{gathered} factorise: \\ x(x\text{ - 7\rparen + 5\lparen x - 7\rparen = 0} \\ (x\text{ + 5\rparen\lparen x - 7\rparen = 0} \\ x\text{ + 5 = 0 or x - 7 = 0} \\ x\text{ = -5 or x = 7} \\ The\text{ x-intercepts are x = 7, -5} \end{gathered}\)Help asap!! pls I'm 100 point plus free brainiest
Point C means that Danny spends $80 on tickets for 5 games. The unit rate can be represented by the point (1, 16) on the graph.
Describe Graph?In mathematics, a graph is a collection of coordinates, called vertices or nodes, connected by lines or curves, called edges or arcs. Graphs are a fundamental tool in many areas of mathematics and computer science, and are used to represent relationships and patterns in data, networks, and other complex systems.
Graphs can be classified into various types depending on their characteristics and properties. Some common types of graphs include:
Undirected graphs: graphs where the edges do not have a direction or orientation.
Directed graphs: graphs where the edges have a direction or orientation.
Weighted graphs: graphs where the edges have a numerical weight or value assigned to them.
Bipartite graphs: graphs where the vertices can be divided into two disjoint sets such that no edges connect vertices within the same set.
Tree graphs: graphs that are connected and acyclic, meaning they have no cycles or loops.
Graphs can be represented visually using diagrams or drawings, where vertices are represented as points or circles and edges are represented as lines or curves connecting them. Graphs can also be represented mathematically using matrices or other algebraic structures, and can be analyzed using various graph algorithms and techniques.
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Answer:
hefhxh
Step-by-step explanation:
gfhs
The Bransen Family picked 20 red apples, 28 yellow apples, and 12 bushel of green apples. Starting the following day, they ate 2 red apples and 3 yellow apples every day. When 6 red apples are left, how many yellow apples will be left?
9514 1404 393
Answer:
7
Step-by-step explanation:
The number of red apples (r) in terms of the number of days (d) is ...
r = 20 -2d
The number of yellow apples (y) in terms of the number of days (d) is ...
y = 28 -3d
Using the first equation to write and expression for d, we can substitute into the second equation.
r -20 = -2d
(20 -r)/2 = d . . . . from the first equation
Then ...
y = 28 -3(20 -r)/2 = 28 -30 +3/2r = (3/2)r -2
For 6 red apples left, the number of yellow apples left is ...
y = (3/2)(6) -2 = 7
7 yellow apples will be left when 6 red apples are left.
Please help and show your work, will mark brainliest
Answer:
y = -2x + 9 y =1/9x + 4/9
Step-by-step explanation:
-9/2 = -x -1/2y
-1/2y = x - 9/2
y = -2x + 9
-4 - x = -9y
-9y = -4 - x
y = 1/9x + 4/9
A particular fruits weights are normally distributed, with a mean of 408 grams and a standard deviation of 32 grams .
If you pick 16 fruits at random,then 20% of the time, their mean weight will be greater than how many grams.
The mean weight of 16 fruit picked at random, then their mean weight will be greater than 414.72 grams 20% of the time
What is the mean value of a dataset?The mean value of a set of data, is the sum of the values in the data, divided by the number of data in the dataset.
The population mean = 408 grams
The population standard deviation = 32 grams
The mean of 16 fruits such that the probability of the mean is larger than the value is 0.2, can be obtained as follows;
The standard error of the mean = The standard deviation/√(Sample size)
Therefore;
The standard error = 32/√(16) = 8
The mean that corresponds to a probability of 0.2, which is the 80th percentile of the normal distribution, can be found using the z-score of the 80th percentile, which is about 0.84
Therefore, we get;
z = (Sample mean - 408)/8 = 0.84
The sample mean = 8 × 0.84 + 408 = 414.72
The sample mean = 414.72 grams
Therefore;
The mean weight of the 16 fruit such that their weight is greater than the mean weight of the population 20% of the time is 414.72 grams.
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Find the area of the shaded region.
Answer:
\( \boxed{ \tt\longrightarrow \: Area \: Of \: Shaded \: region \: =\boxed{ \tt 39 \: in²}}\)
Step-by-step explanation:
Given:
The Dimensions of Parallelogram are 12 in.(Base) and 7 in.(Height)
And,
The Dimensions of Rectangle are 9 in.(Length) and 5 in.(Breadth).
To Find:
The Area of Shaded region
Solution:
When the dimensions of parallelogram and the dimensions of rectangle are given, we need to find the Shaded region using this formula:
\( \boxed{\tt \longrightarrow Area = (Parallelogram - Rectangle)}\)
We know that the formula of Parallelogram is base*height[b×h] and the formula of rectangle is length*breadth[l*b] .
\( \tt\longrightarrow \: Area =B×h-l×b \)
Put their values accordingly:
\(\longrightarrow \tt Area = (12 \times 7 - 9 \times 5)in {}^{2} \)
Simplify it.
[Follow BODMAS Rule strictly while simplifying]
\( \tt\longrightarrow \: Area = (84 - 45 ) in {}^{2} \)
\( \tt\longrightarrow \: Area = 39 \: {in}^{2} \)
Hence, the Area of Shaded region would be 39 in² or 39 sq. in. .
\( \rule{225pt}{2pt}\)
I hope this helps!
Simplify.
1/2b - 2/5b
please i am begging u
Answer:
1/10b
Step-by-step explanation:
subtract 1/2 and 2/5 and you get then answer just add the b at the end of your answer.
Hope this helps! :)
what is the approximate value of √42, to the nearest whole number?
The machinery in a cereal plant fills 350 g boxes of cereal. The specifications for the machinery permit for a certain amount of fill tolerance. It is found that the weights of filled cereal boxes are normally distributed with a mean of 350 g and a standard deviation of 4 g. What is the probability that a box of cereal is under filled by 5 g or more?
There is approximately an 89.44% probability that a box of cereal is underfilled by 5 g or more.
To find the probability that a box of cereal is underfilled by 5 g or more, we need to calculate the probability of obtaining a weight measurement below 345 g.
First, we can standardize the problem by using the z-score formula:
z = (x - μ) / σ
Where:
x = the weight value we want to find the probability for (345 g in this case)
μ = the mean weight (350 g)
σ = the standard deviation (4 g)
Substituting the values into the formula:
z = (345 - 350) / 4 = -1.25
Next, we can find the probability associated with this z-score using a standard normal distribution table or a statistical calculator.
The probability of obtaining a z-score less than -1.25 is approximately 0.1056.
However, we are interested in the probability of underfilling by 5 g or more, which means we need to find the complement of this probability.
The probability of underfilling by 5 g or more is 1 - 0.1056 = 0.8944, or approximately 89.44%.
Therefore, there is approximately an 89.44% probability that a box of cereal is underfilled by 5 g or more.
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An electronic office product contains 5100 electronic components. Assume that the probability that each component operates without failure during the useful life of the product is 0.999, and assume that the components fail independently. Approximate the probability that 2 or more of the original 5100 components fail during the useful life of the product. Use normal approximation. Round your answer to 3 decimal places.
Answer:
The probability that 2 or more of the original 5,100 components may fail during the useful life of the product is:
= 0.001
Step-by-step explanation:
Probability of operating without failure = 0.999
The probability of failed component = 0.001 (1 - 0.999)
The number of components of the electronic office product = 5,100
The number of components that may fail, given the above successful operation = 5.1 (0.001 * 5,100).
Therefore, the probability that 2 or more of the original 5,100 components may fail during the useful life of the product = 0.001
Probability of component failure is the likelihood that a component fails during the useful life of the product. It is expressed as the number of likely failed components divided by the total number of components. This result can be left in decimal form or expressed as a percentage.
Following are the solution to the given expression:
\(\to \text{p = p (failure)} = 1 -0.999 = 0.001 \\\\\)
We employ the binomial approximation of the normal distribution with mean.
\(\to \mu = np = 5100(0.001) = 5.1 \\\\ \to \text{standard deviation} \ (\sigma) = \sqrt{np(1-P)}\)
\(= \sqrt{5100(0.001)(1-0.001)} \\\\ = \sqrt{5.1 \times (0.999)} \\\\= \sqrt{5.0949 } \\\\= 2.2572\)
It require \(p(x\geq 2)\) but we find \(p(x \geq 1.5)\), because of \(0.5\) correction.
Here
\(\to z = \frac{X-\mu}{\sigma }\)
\(=\frac{1.5-5.1}{2.2572} \\\\ =\frac{-3.6}{2.2572} \\\\ = -1.59 \\\\\)
Calculating the required probability:
\(\to p(z \geq -1.59)\)
\(=1+ p(z< 1.59) \\\\= 1+ 0.9440826\) , by standard normal table
\(= 1.9440826 \approx 1.944\)
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can someone help me please
Answer:
B is the answer
Step-by-step explanation:
(10×2 +1/2)÷(2×4+1/4)
(21/2)÷(9/4)
Then calculate it and the answer is B
Erick and Mia live the same distance from the park and decide to meet at
the park one afternoon. The graphs show their distances from home over
the same 30-minute period as they walked to the park. Each section of
each graph represents 10 minutes.
Which of these statements are true?
Mia returned too her house after 10 minutes. T or F
Mia left her house 10 minutes before Erick left his house. T or F
It took Erick only 10 minutes to walk to the park. T or F
Erick and Mia arrived at the park at the same time. T or F
Erick walked the same distance as Mia during the last 10 minutes. T or F
B, Mia departed her home ten minutes before Erick did.
D, Erick, and Mia all showed up simultaneously at the park.
E, In the previous ten minutes, Erick and Mia both walked the same distance.
What distinguishes a graph from a chart ?A graph is a graphic that uses the placement of the horizontal (X-axis) and vertical (Y-axis) axes to demonstrate the mathematical relationship between different data sets (Y-axis).
A chart displays data that can be shown as a table, graph, or diagram. It includes a variety of information presentation techniques. Charts are all graphs.
According to the given information
According to the information given in the graph
We got the following true Statements
B, Mia departed her home ten minutes before Erick did.
D, Erick, and Mia all showed up simultaneously at the park.
E, In the previous ten minutes, Erick and Mia both walked the same distance.
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If m∠J = 44°, what is m∠I?
Answer:
6666
Step-by-step explanation:
Which statement best describes the area of Triangle ABC shown below? A triangle ABC is shown on a grid. The vertex A is on ordered pair 3 and 5, vertex B is on ordered pair 4 and 1, and the vertex C is on ordered pair 2 and 1. (1 point) a It is twice the area of a square of side length 2 units. b It is one-half the area of a square of side length 2 units. c It is twice the area of a rectangle of length 2 units and width 4 units. d It is one-half the area of a rectangle of length 2 units and width 4 units.
A statement which best describes the area of Triangle ABC shown above include the following: D. It is one-half the area of a rectangle of length 2 units and width 4 units.
How to calculate the area of a triangle?Mathematically, the area of a triangle can be calculated by using this mathematical expression:
Area of a triangle = 1/2 × b × h
Where:
b represents the base area of a triangle.h represents the height of a triangle.How to calculate the area of a rectangle?Mathematically, the area of a rectangle can be calculated by using this formula:
Area of a rectangle = LW or bh
Where:
W represents the width of a rectangle.L represents the length of a rectangle.In this context, we can reasonably infer and logically deduce that the area of a triangle ABC is half the of a rectangle i.e A = (bh)/2.
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Question 2(Multiple Choice Worth 2 points)
(Rewriting Rational Numbers LC)
Which number gives the exact value of 45?
6
O
4.83
6
29
4.8
hj
The computation shows that the examples of values that will give the exact value of 45 will be:
✓9 × 156 × 9✓25 × ✓81How to compute the value?It should be noted the information is incomplete as the options aren't given and not properly written.
In this case, the examples will be given:
An example of value that will give 45 will be:
= ✓25 × ✓81
= 5 × 9
= 45
The other examples will be 6 × 9 which will give 45 and ✓9 × 15 which will be 45.
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What is the area of the figure?
A.)24 square inches
B.)28 square inches
C.)45 square inches
D.)55 square inches
Answer:
24 square inches
Step-by-step explanation:
Based on the diagram or figure given, The area of the figure is known to be 24 square inches.
What is the area of a figure?The area of a figure is known to be the rate or the number of unit squares that is said to have cover the surface of a closed figure.
Note that the area is often measured in square units such as (cm²) and in the case above, the Based on the diagram or figure given, The area of the figure is known to be 24 square inches.
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Consider the curve given by the equation x2 − y2 = 2x + y + xy − 4. Find the equation
of the tangent line to the curve at the point (1, 1).
The equation of the tangent line at (1,1) is given as follows:
y - 1 = -0.25(x - 1).
How to obtain the equation of the tangent line?The curve for this problem is given as follows:
x² - y² = 2x + y + xy - 4.
Applying implicit differentiation, we obtain the slope of the tangent line, as follows:
2x - 2y(dy/dx) = 2 + (dy/dx) + x(dy/dx) + y
(dy/dx)(1 + x + 2y) = 2x - 2 - y
m = (2x - 2 - y)/(1 + x + 2y).
At x = 1 and y = 1, the slope is given as follows:
m = (2 - 2 - 1)/(1 + 1 + 2)
m = -0.25.
Hence the point-slope equation is given as follows:
y - 1 = -0.25(x - 1).
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I need help with this.
The total cost of the metal which will be used to construct the metal tank would be = $82.5
How to calculate the area of the metal tank?To calculate the area of the metal tank, the formula for the area of the cylinder is used which would be;
= 2πr (h+r)
Where
R = 12/2 = 6 ft
h = 4ft
π = 3.14
area = 2×3.14×6(4+6)
= 37.68×10
= 3.75 ft²
But 1ft² = $22
3.75ft² = X
make X the subject of formula;
X = 22× 3.75 = $82.5
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what’s the correct radical form of b^1/5
The correct radical form of b^1/5 is 5^√b.
What is the radical form?Square root and nth roots are represented by the symbol "radical," which. a square root is a component of a radical expression, which is an expression.
A number's or an algebraic expression's simplest radical form is referred to as this. When a number or algebraic expression contains no elements that are perfect nth powers under the radical, it is said to have an nth root and is said to be in its simplest radical form.
When a number or algebraic expression contains no elements that are perfect nth powers under the radical, it is said to have an nth root and is said to be in its simplest radical form.
Explanation:
Convert to radical form using the formula
a^x/n=n^√a^x
5^√b.
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2 ÷ 1/2 what is the answer
Answer:
2 ÷ 1/2 is 4
Step-by-step explanation:
The number line shows four points. Which point represents the approximate location of V12?
A) point A
B). point B
C) point C
D) point D
Answer:
point A
Step-by-step explanation:
Answer:c
Step-by-step explanation:
Name
Date
Class
LESSOn
10-2
Graphing Systems of Linear Inequalities
Practice and Problem Solving: Modified
Answer:
kpealeakara
Mon. Nov. 16 2020
ss1
8
Answer:
8 is your answer am right or wrong
help me pleaseeeeeee
Answer:
a = 1/4
b = -2
c = -5
Step-by-step explanation:
The given points (-2, 0) and (10, 0) are the x-intercepts, which means the x roots of the quadratic function are: x = 2, -10
Use the point (12, 7) to find the constant C:
f(x) = C(x + 2)(x - 10)
f(12) =7 = C(12 + 2)(12 - 10)
C(14)(2) = 7
C = 7/28 = 1/4 plug this value of C into the equation and put it into standard form:
f(x) = 1/4(x + 2)(x - 10)
f(x) = 1/4(x² - 8x - 20)
f(x) = 1/4x² - 2x - 5
Now you have your a, b, and c values:
a = 1/4
b = -2
c = -5