For the mathematical series, the total of the first 25 terms is 1850.
What is arithmetic sequence?Arithmetic progression or arithmetic sequence is a numerical series in which the difference between subsequent terms is constant. For example, the sequence 5, 7, 9, 11, 13, 15.. An arithmetic sequence is a series of integers that are ordered and share a common difference between each succeeding term. In the arithmetic sequence 3, 9, 15, 21, 27, for example, the common difference is 6. An arithmetic progression is another name for an arithmetic sequence.
Here,
This is an arithmetic sequence as each term has a common difference to the previous term. Any arithmetic sequence can be expressed as:
a(n)=a+d(n-1), a=initial term, d=common difference, n=term number.
We know that a=2 and d=(20-14)=(14-8)=(8-2)=6 so
a(25)=2+6(25-1)
a(25)=146
The sum of an arithmetic sequence is the average of the first and last terms times the number of terms, in this case:
s(25)=25(2+146)/2
s(25)=1850
The sum of the first 25 terms is 1850 for the arithmetic sequence.
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How to simplify Question B?
The expressions when simplified become :
a. x ³ × y ²
b. 6x ² × y ³
How to simplify the expressions ?To simplify the first expression, take x to the power of the number of times it appears and do the same for y. This means that x × x × x × y × y would become:
= x ³ × y ²
In the second expression, first collect like terms so that 2 × x × x × 3 × y × y × y becomes:
= 2 × 3 × x × x × y × y × y
= 6 x ² × y ³
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Write equations for the horizontal and vertical lines passing through the point (6, 5).
x=8 is the equation for a vertical line passing through this place and y=7 is the equation for a horizontal line traveling through this place.
what is equation ?It is thought that a number's simplest form is represented by its smallest equivalent fraction. finding the simplest form: what to do. For shared factors, look into the numerator and denominator. Examine a fractional integer to determine if it is a prime number. An equation seems to be a statement that has nearly identical sides and an equality sign in the middle. In the general form of any equation, the degrees of all the variables are listed in descending order. The common representation of a mathematical expression is an x + b = 0. x + b y + c = 0 is the general form of a two-variable linear equation (or something similar). Identity or conditional equations are the two categories under which equations fall. An identity holds true regardless of how the variables are valued.
given
The value of x, in this case 8 for a vertical line, is constant. For whatever value of y, this will hold true. In light of this,
x=8 is the equation for a vertical line passing through this place.
The value of y, in this case 7, will also never change for a horizontal line. For whatever value of x, this will hold true. In light of this,
y=7 is the equation for a horizontal line traveling through this place.
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A frozen yogurt shop has a combination of 150 small and medium sized bowls on their counter. Each small bowl holds 4 oz and each medium bowl holds 6 oz. If the bowls on the counter will hold a total of 764 oz find the number of small and medium sized bowls on the counter
The number of small sized bowls on the counter = 68 bowls
The number of medium sized bowls on the counter = 82 bowls
What is an equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
From the data given,
Let the number of small bowls on the counter be = x
Let the number of medium bowls on the counter be = y
The total number of bowls is = 150
So , the equation will be
x + y = 150 be equation (1)
The amount the small bowl can hold = 4 ounces
The amount the medium bowl can hold = 6 ounces
The total amount of all the bowls on the counter = 764 ounces
So , the equation will be
4x + 6y = 764 be equation (2)
Now , on simplifying the equation (1) and equation (2) ,
Multiply equation (1) by 4 , we get
4x + 4y = 600 be equation (3)
Subtracting equation (3) from equation (2) , we get
2y = 164
Divide by 2 on both sides , we get
y = 82
Therefore the number of medium sized bowl is 82 bowls
Substituting the value of y in equation (1) , we get
x + y = 150
x + 82 = 150
Subtracting 82 on both sides , we get
x = 68
Therefore , the number of small sized bowl is 68 bowls
Hence,
The number of small sized bowls on the counter = 68 bowls
The number of medium sized bowls on the counter = 82 bowls
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Evaluate 3a-c if a=-10 and c=2
Answer:
Okay, so if a = -10 and c=2 then the equation will now be translated to:
3(-10) - 2
We can solve this by multiplying 3 by -10 and then subtracting you answer by 2.
3 time -10 = -30
-30 - 2 = -32
Step-by-step explanation:
Hope it helps! =D
How to get good grades in grade 7
Answer:
Use brainly. or pay better attention in class.
Step-by-step explanation:
Decide whether the following situation is linear, exponential or neither.
A manager of a store receives a 5% raise every year.
Answer: I believe the answer is linear.
Step-by-step explanation:
To answer, this we'll have to look up the definition. Linear in math means "a straight line." However, exponential means it has curves in it. And if the manager gets a 5% salary every year, keyword every, it means he gets the same amount each year, making that a straight line in a graph.
The ratio of tamotoes to green pepper in a salad is 20/24 write a equivalent ratio where the number of tomatoes is the least possible whole number of green peppers is also a whole number
Lisa is a waitress at the diner in town. She earns a daily wage of $60, plus tips that are equal to 20% of the total cost of the dinners she serves. What was the total cost of the dinners she served if she earned $275 on Friday?
$1075 is the total cost of the dinners she served if she earned $275 on Friday
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given that Lisa earns a daily wage of $60,
Tips that are equal to 20% of the total cost of the dinners she serves
We can write this as 60+20/100x.
The total cost of the dinners she served if she earned $275 on Friday
is given by
275=60+0.2x
Subtract 60 on both sides
275-60=0.2x
215=0.2x
Divide both sides by 0.2
215/0.2=x
1075=x
Hence, $1075 is the total cost of the dinners she served if she earned $275 on Friday
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A circular garden with a radius of 8 feet is surrounded by a circular path with a width of 3 feet. What is the approximate area of the path alone? Use 3.14 for π
The area of the path alone is equal to 178.98 square feet.
What is the area of the path alone?Remember that the area of a circle of radius R is:
A = pi*R^2
Where pi = 3.14
The area of the path alone will be equal to the difference between the areas of the circles where the path is included (radius of 11ft) and the area of the garden alone (radius is 8ft)
Then the area of the path alone is:
A = 3.14*(11 ft)^2 - 3.14*( 8 ft)^2
A = 178.98 ft^2
That is the approximate area of the path alone.
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What are the 4 rules for multiplying integers?
A negative number is created by multiplying a positive number by a negative number. A negative number is created by multiplying a negative number by a positive number. A positive number is created by multiplying two negative numbers. Any integer divided by zero results in zero.
What is an integer ?All whole numbers and negative numbers are considered integers.
This means that if we combine negative numbers with whole numbers, a collection of integers results.
An integer, which can comprise both positive and negative integers, including zero, is a number without a decimal or fractional portion. Integers include things like -5, 0, 1, 5, 8, 97, and 3,043. Z is a representation of a collection of integers.
A straight line of numbers is shown visually as a number line.
This line is used to compare integers that are spaced equally apart on an infinite line that extends horizontally on both sides.
The collection of integers can be shown on a number line much like other sets of numbers.
Hence, A negative number is created by multiplying a positive number by a negative number. A negative number is created by multiplying a negative number by a positive number. A positive number is created by multiplying two negative numbers. Any integer divided by zero results in zero.
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-11с(а-d) + 121c²(a-d)² a=4 c=2 d= - 2,5
The value of the expression at, a= 4, c = 2, and d = - 2.5 is 18768.75.
What is a numerical expression?A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.
Given, An expression -11с(а - d) + 121c²(a - d)² at, a= 4, c = 2 and d = - 2.5.
Simplifying the expression -11с(а - d) + 121c²(a - d)² we have,
= -11с(а - d) + (11c)²(a - d)².
= - 11c[(a - d) - 11c(a - d)²].
= - 11×2[4 + 2.5) - 11×2(4 + 2.5)²].
= - 22[6.25 - 22(6.25)²].
= - 22[6.25 - 22×39.0625].
= - 22[6.25 - 859.375].
= - 22[- 853.125].
= 18768.75.
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How do you find the exponential function of a data set?
An exponential function is a mathematical function of the form f(x) = a×bˣ, where a and b are constants and x is the input variable. To find the exponential function of a data set, you can use the method of least squares.
This method finds the best-fitting exponential function for a given set of data points by minimizing the sum of the squares of the differences between the data points and the function.
The first step in finding the exponential function of a data set is to plot the data points on a graph. Next, you need to re-arrange the exponential function into the form y = a×bˣ, where y is the dependent variable and x is the independent variable.
Then you can use the method of least squares to find the values of a and b that best fit the data. The value of a represents the y-intercept of the function, and the value of b represents the growth rate or decay rate of the function.
Once you have found the values of a and b, you can use the exponential function to make predictions about the data set. It is also possible to use software packages like R or Python to do this process.
In conclusion, finding the exponential function of a data set involves using the method of least squares to find the best-fitting exponential function for a given set of data points.
This is typically done by plotting the data points, re-arranging the exponential function, and using the method of least squares to find the values of a and b that best fit the data. The function can then be used to make predictions about the data set.
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choices for #1
dividing figure into a square and a triangle
dividing figure into a rectangle and a triangle
dividing figure into two triangles
choices for #2
the total area of the figure is 98.2 square units
the total area of the figure is 80.0 square units
the total area of the figure is 105.0 square units
round to the nearest tenths.
Therefore ,the area of the rectangle will be A = 121 cm square after answering the offered question.
Rectangle: What is it?In Euclidean plane geometry, a rectangle is a polygon with four right angles. It might also be explained as follows: an equiangular quadrilateral is one in which all of its degrees are equal. Another possibility for the parallelogram is a straight angle. Four of the sides of a square are of identical length. Four 90 ° apex and equal adjacent sides make up a rectangle-shaped quadrilateral. This leads to the term "equirectangular rectangle" occasionally being used to describe it. A rectangle is also referred to as a parallelogram due to the equal and parallel lengths of its opposite sides.
Here,
Given : we have been given,
B is 11 cm long and L is 11 cm.
A = L X B = 11 X 11 = 121 cm sq, thus.
Therefore ,the area of the rectangles will be A = 121 cm square after answering the offered question.
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What is the rule of 0 1 1 2 3 5 8?
The rule of the sequence 0 1 1 2 3 5 8 is that each term is obtained by adding the previous two terms.
The sequence 0 1 1 2 3 5 8 is a famous example of the Fibonacci sequence. The Fibonacci sequence is a sequence of numbers in which each term is the sum of the two preceding terms. In this case, the first two terms of the sequence are 0 and 1, and the rest of the terms are obtained by adding the previous two terms.
It's also possible to express the rule of the Fibonacci sequence by using the formula, F(n) = F(n-1) + F(n-2) where F(n) is the nth term of the sequence.
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48. What is TRUE about permanent life insurance?
There is no value to the insurance above the death benefits.
The cash value of the insurance remains fixed.
It only covers a specific period of time.
The cash value of the insurance increases as the premiums accumulate.
Insurance is worth nothing more than a death benefit. Choice A is the correct choice.
What is insurance?Insurance is a form of protection against financial loss in which one party agrees to compensate the other party for a fee in the event of certain loss, damage, or injury. It is a type of risk management designed primarily to mitigate the risk of potential or uncertain losses. Capital life insurance is a generic term for capital life insurance.
Whole life insurance and universal life insurance are the two main types of whole life insurance, and most whole life policies combine a death benefit and a savings portion. Life insurance can cover the life of the insured and increase their savings by a guaranteed percentage. Similar to term life insurance, universal life insurance includes death benefits and savings, but with different premium structures and returns depending on market dynamics.To learn more about Permanent life insurance refer to:
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Given that 1 pound equal 16 ounce, what i the ratio of 1 pound, 4 ounce to 3 pound, 10 ounce
Our required ratio will be 8: 2: 24: 5 as per the given problem.
In our question, it is given that 1 Pound is equal to 16 ounces.
We will use this criterion for the rest of our solution.
Let’s convert all pounds to ounces.
1 pound =16 ounce
3 pound = 48 ounce
Now as per the problem, we have to find the ratio of 1 pound, 4 ounces, 3 pounds, 10 ounces.
= 1 pound: 4 ounces: 3 pounds: 10 ounce
= 16 ounces: 4 ounces: 48 ounces: 10 ounce
= 8: 2 : 24: 5
So our required ratio is 8: 2 : 24: 5.
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Charlene's science teacher allows students to drop their lowest quiz grade. The expression below represents Charlene's adjusted
quiz average after dropping the lowest grade, where x is the total number of quizzes Charlene took in science this year.
92-65
z-1
Which of the following is the best interpretation of the numerator in the given expression?
O A. The numerator represents the sum of the grades from Charlene's quizzes that were not dropped.
B. The numerator represents the difference between Charlene's quiz average and her lowest quiz grade.
OC. The numerator represents the difference between Charlene's original and adjusted quiz averages.
OD. The numerator represents Charlene's quiz average before dropping the lowest grade.
The expression that is the best interpretation of the numerator in the given expression is option B. The numerator represents the difference between Charlene's quiz average and her lowest quiz grade.
What is a numerator?A numerator is the top part of a fraction that represents the quantity being divided. For example, in the fraction 3/4, 3 is the numerator and 4 is the denominator. The numerator represents the number of parts being considered out of the total number represented by the denominator.
Therefore, the expression that expresses the interpretation of the numerator in the given expression is option B.
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(109.99)^2
What is the answer of this using the Identities?
Answer:
12097.8001
Step-by-step explanation:
Think About the Process van purchased a DVD player on sale. The original selling price was $175.80. The sale price was $141.27. What is the first step in finding the percent markdown? Find the percent markdown.
First step in finding the percent markdown is to find the percentage change in sales price.
How to find the percentage change in sales priceIn order to find the percentage change in sales price, use the percent change equation.
(New - Old)/(Old) * 100 = % Change
Now input 141.27 for the New price and 175.80 for the Old price.
(141.27 - 175.80)/(175.80) * 100 = % Change
-34.53/175.80 * 100 = % Change
-0.2* 100 = % Change
20 = % Change
Hence, the percentage change in sales price is 20%
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(7+3) x 4 ÷ 2 - 5 x 6
Answer:
The order of operations (PEMDAS) should be followed to solve mathematical expressions: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
So the solution for (7+3) x 4 ÷ 2 - 5 x 6
= (10) x 4 ÷ 2 - 5 x 6
= 40 ÷ 2 - 5 x 6
= 20 - 5 x 6
= 20 - 30
= -10
So the solution is -10
Answer:
7 + 3 = 10
10 * 4 = 40
40 / 2 = 20
20 - 5 = 15
15 * 6 = 90!
Step-by-step explanation:
Hope it helps ! =D
If the measure of arc CE is 9x+5 degrees the measure of arc ED is 4x+1 degrees and the measure of arc CD Is 101 degrees what is the value of x? Round your answer to the nearest hundred
From the given Circle, the value of x = 19.46.
A circle is a closed, two-dimensional object where every point in the plane is equally spaced from a central point. The line of reflection symmetry is formed by all lines that traverse the circle.
A straight angle is 90° since a circle has 360 equal degrees. We'll just take into account angles between 0° and 360° for the time being; however, we'll take into account angles higher than 360° and negative angles later, in the section on trigonometric functions.
Given,
the measure of arc CE = 9x + 5
measure of the arc ED = 4x + 1
measure of the arc CD = 101
Total measure of the circle is = 360
⇒ 9x + 5 + 4x + 1 + 101 = 360
⇒ 13x + 107 = 360
⇒ 13x = 360 - 107
⇒ 13x = 253
⇒ x = 19.46
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Kelly is flying a kite to which the angle of elevation is 70 degrees. The string of the kite is 65 meters long. How far is the kite above the ground?
Kite is 61.08 meters far from the ground.
What is angle of elevation?The angle of elevation in math is "the angle formed between the horizontal line and the line of sight when an observer looks upwards is known as an angle of elevation". It is always at a height that is greater than the height of the observer.
Given,
Angle of elevation = 70°
Length of string = 65 meters
Distance between kite and ground = AC = ?
By the figure
Sin70° = AC/AB
0.9397 = AC/65
AC = 65×0.9397
AC = 61.0805 meters
Distance between kite and ground = 61.08 meters
Hence, ground and kite are 61.08 meters away from each other.
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need help its due tonight its a test
graph each equation or inequality.
2y – 4x < 8
The solution is the set of all points (x,y) that satisfy the inequality y < 2x + 4.
What is the graph of a function?
The graph of a function is a visual representation of the relationship between the input values (x-coordinates) and the output values (y-coordinates) of the function. In other words, it is a visual representation of the function's rule.
The graph of a function can take many different forms, depending on the function's rule. Linear functions, for example, will produce a straight line on the graph.
To solve the inequality 2y – 4x < 8, we can start by isolating y by adding 4x to both sides:
2y < 4x + 8
then divide both sides by 2:
y < 2x + 4
This is the solution in slope-intercept form (y = mx + b), where the slope is m = 2 and the y-intercept is b = 4.
To graph the solution, you can pick a few x-values and substitute them into the inequality to find the corresponding y-values.
You can use x = -2, x = -1, x = 0, x = 1, x = 2, for example and find the y-values for each x, y < 2* -2 + 4 = 0, y < 2* -1 + 4 = 2, y < 20 + 4 = 4, y < 21 + 4 = 6 and y < 2*2 + 4 = 8.
Then plot those points on a coordinate plane and draw the line that goes through them, and shade the half-plane that is below the line
Hence, the solution is the set of all points (x,y) that satisfy the inequality y < 2x + 4.
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Jacob and his children went into a grocery store where they sell apples for $1 each
and peaches for $0.50 each. Jacob has $8.50 to spend and must buy at least 10
apples and peaches altogether. Also, he must buy no more than 8 peaches. If a
represents the number of apples purchased and y represents the number of peaches
purchased, write and solve a system of inequalities graphically and determine one
possible solution.
Based on the graph, a possible solution for the system of inequalities is 2.75 and 1.
The number of apples purchased is equal to 5 apples.The number of peaches purchased is equal to 6 peaches.How to write and solve the system of inequalities graphically?In order to write a system of linear inequalities to describe this situation, we would assign variables to the number of apples purchased and number of peaches purchased, and then translate the word problem into algebraic equation as follows:
Let the variable a represent the number of apples purchased.Let the variable y represent the number of peaches purchased.Since Jacob and his children went into a grocery store where they sell apples to purchase at least 10 apples and peaches altogether, the three (3) linear inequalities that are required to model this situation include the following:
x + y ≥ 10
x + 0.5y ≤ 8.5
y ≤ 8
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Katie would go to the park everyday and each day she recorded how many dogs were in the park. Day
1: there was 4 dogs, Day 2: 3 dogs, Day 3: 6 dogs, Day 4: 1 dog and Day 5: 8 dogs. Over the next 3 weeks the same amount of dogs turned up each day. How many dogs did she see over the 3 weeks?
Answer:
Katie recorded a total of 4 + 3 + 6 + 1 + 8 = 22 dogs over the first 5 days. If the same number of dogs turned up each day for the next 3 weeks, then she would have seen the same number of dogs per day for an additional 21 days (3 weeks * 7 days/week = 21 days). So in total, over the 3 weeks, she would have seen 22 dogs/day * 21 days = 462 dogs.
Step-by-step explanation:
How do you find the preimage of a function in Class 11?
A relation R is a subset of the Cartesian product. Or simply, a bunch of points (ordered pairs). In other words, the relation between the two sets is defined as the collection of the ordered pair, in which the ordered pair is formed by the object from each set.
a group of some elements of the input set which are passed to a function to obtain some elements of the output set. It is the inverse of the Image. It is denoted as;
f: X → Y.
N be the set of Natural numbers and the relation R be defined as;
R = {(a ,b) : b=a2, a ,b ∈ N}. State whether R is a relation function or not.
From the relation R = {(a ,b) : b=a2, a ,b ∈ N}, we can see for every value of natural number, their is only one image. For example, if a=1 then b =1, if a=2 then b=4 and so on.
Therefore, R is a relation function here.
f:A→B, and D⊆B, the preimage D of under f is defined as
[tex]f^-1[/tex](D)={x ∈ A∣ f(x)∈D}.(5.4.5)
Hence, [tex]f^-1[/tex](D) is the set of elements in the domain whose images are in C. The symbol [tex]f^-1[/tex](D) is also pronounced as “f inverse of D.”
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If it now today, then iwill wear my glove. If i weaar my glove , my finger will get itchy
I understand your dilemma. I suggest that you look for a glove that is made of a breathable material. Also, make sure that the glove fits properly so that there is no tightness or restriction of movement. Lastly, make sure to wear the glove for brief periods at first and gradually increase the time as your skin gets used to it.
1. Look for a glove made of a breathable material: Breathable materials allow for air circulation and can help prevent excess sweat and irritation.
2. Make sure the glove fits properly: It should not be too tight or too loose.
3. Wear the glove for brief periods at first: This will help your skin adjust to the glove and prevent iching
4. Gradually increase the time: Once your skin gets used to the glove, you can start wearing it for longer periods of time. I understand your dilemma. I suggest that you look for a glove that is made of a breathable material. Also, make sure that the glove fits properly so that there is no tightness or restriction of movement. Lastly, make sure to wear the glove for brief periods at first and gradually increase the time as your skin gets used to it.
the complete question is : If it now today, then iwill wear my glove. If i weaar my glove , my finger will get itchy. So i will try to avoid wearing it.
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help its fro a test and I been doing it all day For
graph equation or inequality.
2y – 4x < 8
The graph of the equation or inequality 2y – 4x < 8 is given the in the attachment.
What is inequality?The term inequality refers to a mathematical expression with unequal sides. An inequality compares two values and determines whether one is less, greater, or equal to the value on the other side of the equation. In general, inequality equations are represented by five inequality symbols.
The inequality symbols are less than (<), greater than (>), less than or equal (≤), greater than or equal (≥), and not equal (≠).
Inequalities are used to compare numbers and determine the range or ranges of values that satisfy the conditions of a given variable.
Given that:
2y – 4x < 8
2y < 4x +8
y < 2x + 4
Plot this on graph.
Thus, y < 2x + 4 is inequality to be plotted on the graph.
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In triangle below, angle p is a right angle. Suppose that m angle q =(3x+25) and m angle r = (4x+30).
(A) write an equation to find x. Make sure you use an “=“ sign in your answer.
(B) find the degree measure of each angle.
(A) To find x, we can use the fact that the measures of the angles in a triangle must add up to 180 degrees. So we can write an equation using that information and the measures of angles q and r:
m angle q + m angle r + 90 = 180
(3x+25) + (4x+30) + 90 = 180
so:
7x+45 = 90
7x = 45
x = 45/7 = 5
(B) To find the degree measure of each angle, we can substitute x = 5 back into the expressions for angles q and r.
m angle q = (3x+25) = (3*5+25) = 40 degrees
m angle r = (4x+30) = (4*5+30) = 50 degrees
Since the angle p is a right angle, it has a degree measure of 90 degrees.
So the angle measures are: angle q = 40 degrees, angle r = 50 degrees, angle p = 90 degrees.
Find all solutions of the equation cos x (2 sin x + 1) = 0. on the
interval [0, 27).
The answers are A, B, C and D where 0 < A < B
for T.
A =
B =
C=
D =
Answer:
A = 0,
B = π/2,
C = 3π/2,
D = 2π
Step-by-step explanation: