The process of evaluate the integral by interpreting it in terms of areas is by apply the summation rule on it.
The term called integral is defined as a mathematical object that can be interpreted as an area or a generalization of area.
Here we need to find the way to evaluate the integral by interpreting it in terms of areas.
As we all know that the integration symbol ∫ is an elongated S, suggesting sigma or summation.
Here on a definite integral, we have to use the above and below the summation symbol are the boundaries of the interval, [a, b].
Where the numbers a and b are x-values and are called the limits of integration and it specifically a is the lower limit and b is the upper limit.
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4 3/4 - 6/4 = ? I need help .
The solution to the mixed fraction 4 3/4 - 6/4 is 3 1/4
What is a mixed fraction?A fraction represented with its quotient and remainder is a mixed fraction. For example, 2 1/3 is a mixed fraction, where 2 is the quotient, 1 is the remainder. So, a mixed fraction is a combination of a whole number and a proper fraction.
To solve the question
Convert the mixed fractions into improper fractions
4 3/4 - 6/4
= 19/4 -6/4
we can simplify, since the denominators are the same
19-6/4
=13/4
converting to mixed fractions, we have
3 1/4
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Solve the following equation for a. Be sure to take into account whether a letter is capitalized or not a/d=j
The expression in terms of m and h is D = m/h if the expression is hD = m; the answer is D = m/h.
What exactly is a phrase?
It is described as blending mathematical operators, constants, and variables.
It follows that:
The sentence is:
hD = m
To account for D Declare D as the subject.
As we know, an arithmetic operation can be defined as an operation in which we add, subtract, multiply, and divide integers. It has four basic operators that are +, -, ×, and ÷.
By dividing both sides by h:
hD/h = m/h
Here h ≠ 0
D = m/h
As a result, if the statement is hD = m, then the expression in terms of m and h is D = m/h, and the solution is D = m/h.
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expresa con una fracción cada situacion. a) la temperatura ambiente es un tercio bajo cero
Answer:
a) La temperatura ambiente es -1/3.
4X+3 2x+9 linear pairs of angles
Answer:
x = 28°
Step-by-step explanation:
4x+3 and 2x+9 are on a straight line, so the sum is 180°, we solve with an equation
4x + 3 + 2x + 9 = 180°
6x + 12 = 180
6x = 180 - 12
6x = 168
x = 168 : 6
x = 28°
-------------------------------
check4 × 28 + 3 + 2 × 28 + 9 = 180 (remember PEMDAS)
112 + 3 + 56 + 9 = 180
180 = 180
Question
True or False... (8, -7) is a solution to the inequality y<12x−9
The statement is true, the point (8, 7) is a solution to the inequality.
Is the statement true or false?Here we have the following statement:
"(8, -7) is a solution to the inequality y < 12x − 9"
To check if that is true, we just need to replace the values of the point on the inequality and check if the ienquaity becomes true.
We will get:
-7 < 12*8 - 9
-7 < 87
This is true, 87 is a number larger than -7, then the statement is true, (8, -7) is a solution of the inequality.
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pls help i will give 20 points
Answer: Your answer would be −2x⁴y²
Step-by-step explanation: I hope this helps!
Answer:
The third question
Step-by-step explanation:
Hope this helps!
a measure computed from the entire population is called __________.
A measure computed from the entire population is called parameter.
A limit is a parameter. A parameter is a constant in an equation in mathematics, however today, any system can include parameters that control how it functions. You can provide guidelines for your class discussion.
Greek words para-, which means "beside," and metron, which means "measure," are combined to form the term parameter. Gravity and time are two boundaries that the natural world establishes. The law establishes the boundaries of appropriate conduct in court. While parameters and perimeters are similar, a parameter can contain or define something that is either physically present or abstractly defined, whereas a perimeter is the physical space that surrounds an entity.
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2 + 7^3 + 4(9-6)^2/6
Answer:
The answer is 351
Step-by-step explanation:
Hope this helps!
Leia invests $2658.00 (P) in a retirement
account with a fixed annual interest rate
of 4% (r) compounded monthly (n=12).
What is Leia's ending balance (A) after 5
years (t=5)?
$587.41
$3245.41
$2053.06
$12,145.52
Leia's ending balance after 5 years will be $3245.41. The solution has been obtained by using the concept of compound interest.
What is compound interest?
Both the principal and the interest that has accumulated over the previous period are used to compute interest. Compound interest accounts for the principal when calculating the interest for the subsequent month, in contrast to simple interest, which does not. In mathematics, compound interest is frequently denoted by the letter C.I.
We know that formula for compound interest is
[tex]A= P(1 + \frac{r}{n} )^{nt}[/tex]
So, here P = $2658 , n=12, t=5 and r = 0.04
Thus, we get
[tex]A= 2658(1 + \frac{0.04}{12} )^{60}[/tex]
[tex]A= 2658(1.00333})^{60}[/tex]
A = 2658*1.2207
A = $3245.41
Hence, Leia's ending balance after 5 years will be $3245.41.
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Learning Task 1: Solve for n. Write your answer in your notebook.
1. 7. 26 x 0. 22 =n
2. 17. 92 x 0. 64 = n
3. 7. 65 x 0. 85 =n
4. 36. 20 x 0. 05 = n
5. 31. 85 x 0. 91 = n
The solutions of each expression for n are given as follows:
1. n = 1.5972.
2. n = 11.4688.
3. n = 6.5025.
4. n = 1.81.
5. n = 28.9835.
How to solve the expressions?
All the five expressions in this problem are multiplication operations involving two decimal numbers.
Hence, to obtain the solution for n of each expression, we must simply apply the multiplication operation of the two decimals, using a calculator.
The result of each expression is given at the beginning of the answer.
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Eva deposited $50 in an account earning 10% cents interest compounded annually. to the nearest cent, how much interest will she earn in 2 years
Eva will earn $10.50 interest.
What is compound interest rate?Compound interest is computed as interest on the principle of an account plus any accrued interest.
Compound interest can be calculated using the following formula:
x = P(1 + r/n[tex])^{nt}[/tex]
,where x = compound interest
P = principal (the initial deposit or loan amount)
r = annual interest rate
n = the number of compounding periods per unit of time
t = the number of time units the money is invested or borrowed for
Given:
Eva deposited $50 in an account earning 10% interest compounded annually.
First, convert R as a percent to r as a decimal
r = R/100
r = 10/100
r = 0.1 rate per year,
Then solve the equation for A
A = P(1 + r/n[tex])^{nt}[/tex]
A = 50.00(1 + 0.1/1[tex])^{2}[/tex]
A = $60.50
Therefore, she will earn $10.50 of interest.
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Please help please help
For geometric shape no.4,∠1=26°,∠2=154°,∠3=26°,∠4=26°,
∠5=154°,∠6=154°,∠7=26°.
What are geometric shapes?
In Mathematics, Geometric shapes are the figures which demonstrate the shape of the objects we see in our everyday life. In geometry, shapes are the forms of objects which have boundary lines, angles and surfaces. There are different types of 2d shapes and 3d shapes.
Shapes are also classified with respect to their regularity or uniformity. A regular shape is usually symmetrical such as a square, circle, etc. Irregular shapes are asymmetrical. They are also called freeform shapes or organic shapes. For example, the shape of a tree is irregular or organic.
In plane geometry, the two-dimensional shapes are flat shapes and closed figures such as circles, squares, rectangles, rhombus, etc. In solid geometry, the three-dimensional shapes are cube, cuboid, cone, sphere and cylinder. We can observe all these shapes in our daily existence also. For example books (cuboid shape), glasses (cylindrical shape), traffic cones (conical shape) and so on.
Now,
∠1+154°=180° -->∠1=26° (supplementary angles)
∠1=∠3 (opposite angles) -->∠3=26°
∠2+∠3=180°
∠2=154°
∠1=∠7 --->∠7=26°
∠7+∠6=180° (supplementary angles)
∠6=154°
∠5+∠7=180° (supplementary angles)
∠5=154°
∠4+∠5=180° (supplementary angles)
∠4=26°
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The input is multiplied by 2, then 5 is subtracted
The function that matches the description is given as follows:
f(x) = 2x - 5.
How to define the function?The parent function for this problem is given as follows:
f(x) = x.
The first transformation is a multiplication by two, hence the function is defined as follows:
f(x) = 2x.
The final transformation is a subtraction by 5, then the function is defined as follows:
f(x) = 2x - 5.
Meaning that the last option is the correct option.
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A statistics professor asked her students whether or not they were registered to vote. In a sample of
50 of her students (randomly sampled from her 700 students), 35 said they were registered to vote.
1. Find a 95% confidence interval for the true proportion of the professor's students who were
registered to vote. (Make sure to check any necessary conditions and to state a conclusion in
the context of the problem. )
As per the 95% confidence interval, the true proportion of the professor's students who were registered to vote is between 57.3% and 82.7%
The term called confidence interval is defied as the mean of your estimate plus and minus the variation in that estimate.
Here we know that sample of 50 of her students randomly sampled from her 700 students, 35 said they were registered to vote.
Here we have to calculate the true proportion of the professor's students who were registered to vote with 95% confidence interval is,
Here we have a random sample of less than 10% of the professor's students with 35 expected successes and 15 expected failures
Here we have know that both of which are at least ten, so a Normal model applies.
Then the value of n = 50,
=> P =35/50 = 0.70
Then the value of q = 1 - p = 1 - 0.70 = 0.30
Then the value of SE is
=> √(0.70 0.30)/ 50 = 0.065
Then with 95% confidence interval is calculated as,
=> p± SE(p)
Apply the values on it, then we get
=> 0.70±1.96 (0.065)=0.70±0.127
=> 0.573 to 0.827
hence the 95% confident that between 57.3% and 82.7% of the professor's students are registered to vote.
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Round 0.814 to the nearest hundredth.
Answer: 0.81
Step-by-step explanation:
We will look at the thousands place to round to the hundredth. If the thousands place is at or above 5, we will round up. If it is 4 or below, we will round down.
[tex]\displaystyle 0.814\\0.81\boxed{4}\\\\4 < 5\\\\0.81[/tex]
A small town has two local high schools. High School A currently has 800 students
and is projected to grow by 35 students each year. High School B currently has 550
students and is projected to grow by 85 students each year. Let A represent the
number of students in High School A in t years, and let B represent the number of
students in High School B after t years. Write an equation for each situation, in terms
of t, and determine the interval of years, t, for which High School A will have more
students than High School B.
Answer:
T < 5
Step-by-step explanation:
High School A: A(t) = 800 + 35t
High School B: B(t) = 550 + 85t
To find the interval of years in which High School A will have more students than High School B, we need to find the years in which A(t) > B(t).
So, we need to solve the inequality A(t) > B(t)
800 + 35t > 550 + 85t
250 > 50t
t < 5
Therefore, High School A will have more students than High School B for the first five years.
The interval of years, t, for which High School A will have more students than High School B is t < 5
a basket holds at most 14 pounds of apple and oranges. there are atleast 3 pounds of apples in the basket
The point (4, 3) is a viable solution.
What are systems of inequalities?At least two linear inequalities in the same variables make up a system of linear inequality in two variables. The graph of a linear inequality is the graph of all solutions to the system, and the solution of a linear inequality is the ordered pair that resolves all inequalities in the system.
Given:
A basket holds at most 14 pounds of apples and oranges.
There are at least 3 pounds of apples in the basket.
This graph shows the system that represents this scenario, where x is the weight of the apples and y is the weight of the oranges.
That means, we have the system of inequalities,
x + y ≤ 14,
x ≥ 3
Option B and C are discarded.
And y ≥ 0.
Option A is also discarded.
Substituting (4, 3),
x + y ≤ 14,
7 ≤ 14.
Therefore, (4, 3) is a solution.
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The complete question:
A basket holds at most 14 pounds of apples and oranges. There are at least 3 pounds of apples in the basket. This graph shows the system that represents this scenario, where x is the weight of the apples and y is the weight of the oranges. Which point represents a viable solution?
a. Are the integers closed under addition and subtraction? In other words, when you add or subtract two integers, is the result always an integer? Justify your response.
b. Give a counterexample to show that the whole numbers are not closed under subtraction.
Answer:
a. The result is always an integer because integers are not fractions or decimals.
b. Sorry I don't have an answer for b i don;t know what that means. :(
The statement, 81:135 = 36:60 is a proportion.
If a and b are non-zero numbers and c = 0, then a/c = b/c is a proportion.
State whether the following statements are proportions or not. If it is a proportion, then prove by the definition of proportion. If not, then solve the correct value of x. Be sure to show the complete steps in solving for x.
a) The value of x from the proportion is x = 2/5
b) The value of x from the proportion is x = 8
What is Proportion?The proportion formula is used to depict if two ratios or fractions are equal. The proportion formula can be given as a: b::c : d = a/b = c/d where a and d are the extreme terms and b and c are the mean terms.
The proportional equation is given as y ∝ x
And , y = kx where k is the proportionality constant
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Given data ,
Let the proportion be represented as A
Now , the value of A is
a)
3 / ( x + 2 ) = ( 5 / 4 ) be equation (1)
On simplifying the equation , we get
Multiply by ( x + 4 ) on both sides of the equation , we get
( 5/4 ) ( x + 2 ) = 3
Multiply by 4 on both sides of the equation , we get
5 ( x + 2 ) = 12
On further simplification , we get
5x + 10 = 12
Subtracting 10 on both sides of the equation , we get
5x = 2
Divide by 5 on both sides of the equation , we get
x = 2/5
Therefore , the value of x is 2/5
b)
( x + 2 ) / 5 = ( x - 2 ) / 3 be equation (2)
On simplifying the equation , we get
Multiply by 5 on both sides of the equation , we get
( x + 2 ) = 5( x - 2 ) / 3
Multiply by 3 on both sides of the equation , we get
3 ( x + 2 ) = 5 ( x - 2 )
On further simplification , we get
3x + 6 = 5x - 10
Subtracting 3x on both sides of the equation , we get
2x - 10 = 6
Adding 10 on both sides of the equation , we get
2x = 16
Divide by 2 on both sides of the equation , we get
x = 8
Therefore , the value of x is 8
Hence , the proportion is solved
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how many different batting orders can a baseball coach create from a team of 15 players, if there are nice positions to fill?
15 x 14 x 13 x ... x 3 x 2 x 1 is the possible batting orders.
A baseball coach can create 15! (15 factorial) different batting orders for a team of 15 players if there are nine positions to fill in the lineup. This is because, for the first spot in the lineup, there are 15 options, for the second spot there are 14 options, and so on, leading to 15 x 14 x 13 x ... x 3 x 2 x 1 possible batting orders.
The process of breaking or decomposing an entity (such as a number, a matrix, or a polynomial) into a product of another entity, or factors, whose multiplication results in the original number, matrix, etc., is known as factorisation or factoring.
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(-xy)^2 * (2x^9y^5)^4
please show me the steps on how to get the answer
Answer: 16x^38y^22
Step-by-step explanation:
Re-order terms so constants are on the left
(−xy)2(2x9y5)4(−)2(295)4
Distribute exponent
(−xy)2(2x9y5)4(−)2(295)4
Evaluate the exponent
(−1)2(xy)2⋅(2x9y5)4(−1)2()2⋅(295)4
An open box i to be contructed from a quare piece of heet metal by removing a quare of ide 3 feet from each corner and turning up the edge. If the box i to hold 300 cubic feet, what hould be the dimenion of the heet metal?
The sheet metal should have a total area of 12.9 x 12.9 = 166.41 square feet.
The sheet metal must be large enough to form a cube with a volume of 300 cubic feet, so the side length of the sheet must be the cube root of 300, which is approximately 6.9 feet. To find the dimensions of the sheet metal, we must take into account the four 3 foot squares that will be removed from each corner. Therefore, the sheet metal should have a length of 6.9 feet + 6 feet (4 times the 3 foot squares) = 12.9 feet and a width of 12.9 feet. This will give the box a volume of 300 cubic feet, and the sheet metal should have a total area of 12.9 x 12.9 = 166.41 square feet.
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Put the following equation of a line into slope-intercept form, simplifying all fractions.
2x+4y=16
Answer:
Step-by-step explanation: I do these in 2 steps:
1. isolate the y term ----- 4y = -2x + 16
2. divide each term by the coefficient of the y-term
y = (-2/4)x + 4
y = (-1/2)x + 4
the difference between the squares of two positive integers is 2009. what is the maximum possible difference between these two integers?
Answer:
Step-by-step explanation:
i dont knpw
Enter the statement, with the values in the same order, but with parentheses so that the statement is true.
7x5-4x5+16+4-26 when
(select) (select) (select) (select)+(select)=(select)-26
The statement "7x5-4x5+16+4-26 when
(select) (select) (select) (select)+(select)=(select)-26", with the values in the same order, but with parentheses such that the statement is true is 7x(5-4x+4)-26 = (7x)(1) - 26
What is factorization?Factorization is the process of finding the factors, or integers that multiply together to give a specific number. It is also known as factoring or prime factorization when the factors are prime numbers. For example, factorization of 12 is 2x2x3, which are the prime factors that multiply to give 12. The process of factorization is used in a variety of mathematical and scientific fields, such as number theory, algebra, and computer science.
It can also refer to a mathematical expression where an algebraic expression can be written as a product of two or more expressions.
In general, factorization is a way of breaking down a number or an expression into smaller parts that can be used to understand or simplify it.
Therefore, when plugged in those values in the same order, the statement become true.
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What number should be added to both sides
f(x) = -x + 1; Find f(-10)
Use Similar Polygons to Find x
Answer:
x = 8--------------------------
We know that corresponding sides of similar figures are proportional.
Thus we have equal ratios:
7x/9x = (8x - 1)/(10x + 1)Solve it for x:
7x/9x = (8x - 1)/(10x + 1) Cancel x on the left side as x ≠ 07/9 = (8x - 1)/(10x + 1) Cross- multiply7(10x + 1) = 9(8x - 1) Distribute70x + 7 = 72x - 9 Collect like terms72x - 70x = 7 + 9 Simplify2x = 16 Divide by 2x = 8 AnswerWrite an explicit formula for
�
�
a
n
, the
�
th
n
th
term of the sequence
28
,
14
,
7
,
.
.
.
28,14,7,....
Answer:
This equation makes no sense post in better quality
Step-by-step explanation:
Write the following as an algebraic expression. Then simplify. the total amount of money (in cents) in x quarters, (x+3) dimes, and 2x nickels.
Answer:(x+3)=2x
Step-by-step explanation: