The average daily balance on the June 5 bill is $1,037.32, including the finance charge.
What is the average daily balance?The average daily balance is the total balance divided by the number of days in the billing cycle.
May has a 31-day billing cycle.
The average daily balance determines the finance charge, which is a product of the monthly interest rate (MPR) and the ending average daily balance.
Daily Balance
May 5 Credit card balance $939 $11,260 ($939 x 12)
May 17 Purchase 216 $4,620 ($1,155 x 4)
May 20 Payment -100 $15,825 ($1,055 x 15)
Total daily balances $31,705
Average daily balance $1,023 ($31,705 ÷ 31)
Interest rate per month = 1.4%
Finance charge for the month = $14.32 ($1,023 x 1.4%)
June 5 balance = $1,037.32 ($1,023 + $14.32)
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Jim Moore opens a new savings account. He deposits $12,000 at 12% compounded semiannually. At the start of the fourth year, Jim deposits an additional $50,000 that is also compounded semiannually at 12%. At the end of six years, the balance in Jim Moore's account is
Multiple Choice
$90,195.20
$93,932.28
$95,072.31
$88,555.42
After six years, Jim Moore's account will have a balance of $69,341 thanks to compound interest.
What is compound interest?Interest that is added to a loan and deposit sum is known as compound interest. In our everyday lives, it is the notion that is employed the most frequently. Compound interest is calculated as a sum using the interest and principal accrued over time. Compound interest versus simple interest differ primarily in this way.
As per the given information in the question,
The account in this issue is split up into two distinct investments. The first one is for $12,000 with a 12% compound interest rate over six years. Consequently, the criteria are as follows:
P = $12,000
r = 0.12
t = 6 years.
[tex]A_1(t)=P(1+\frac{r}{n} )^n^t[/tex]
[tex]A_1(6)=12000(1+\frac{0.12}{6} )^(^2^)^(^6^)[/tex]
A₁(6) = $15219.
The value of the second investment, which is $50,000 and is likewise compounded semi-annually at 12%, will be as follows at the conclusion of the fourth year:
[tex]A_2(t)=P(1+\frac{r}{n} )^n^t[/tex]
[tex]A_2(2)=50000(1+\frac{0.12}{6} )^(^2^)^(^2^)[/tex]
A₂(2) = 54122
Hence,
A(6) = A₁(6) + A₂(2)
A(6) = 15219 + 54122
A(6) = $69341
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division- answer in gallons and quarts. no fraction or decimals.
3/10gallons 11 quarts
1 gal =4 quarts
Answer:
Step-by-step explanation:
To solve this problem, we need to divide 3/10 gallons by 1 gallon, which is equal to 4 quarts.
First, let's convert the fraction 3/10 to a decimal by dividing the numerator by the denominator: 3 / 10 = 0.3
Then, we can divide 0.3 gallons by 1 gallon to get the equivalent number of gallons in quarts: 0.3 gallons / 1 gallon = 0.75 quarts
Since 1 quart is equal to 0.25 gallons, 0.75 quarts is equivalent to 3/4 of a gallon.
Finally, we can add the number of quarts given in the problem (11 quarts) to the number of quarts equivalent to the number of gallons (3/4 of a gallon, or 3 quarts). This gives us a total of 14 quarts, which is equivalent to 3 and 1/2 gallons.
Therefore, the final answer is 3 gallons and 11 quarts.
which of the following equations could be the result of using substitution to solve the system
Therefore the solution of the equations could be the result of using substitution is 2[tex]y^{2}[/tex]-6 -y=0
What is equation?In English, an equation is defined as a properly written formula that consists of two expressions joined by an equals sign, while cognates of the word in other languages may have slightly different meanings. For instance, in French, the word "équation" means "thing with one or more variables."
Given two equations are
x=[tex]y^{2}[/tex]-1 and 2x-y=4
We must select an equation from the list of possibilities that may be obtained by utilizing substitution to resolve the problem.
We substitute x in terms of y because the supplied equation is in terms of y.
From 2x-y=4
x=4+y/2
Substitute x=4+y/2 in other equation
We get,
=> x=[tex]y^{2}[/tex]-1
=> 4+y/2 =[tex]y^{2}[/tex]-1
=>4+y=2[tex]y^{2}[/tex]-2
=>2[tex]y^{2}[/tex]-6 -y=0
Therefore the solution of the equations could be the result of using substitution is 2[tex]y^{2}[/tex]-6 -y=0
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CAN SOMEONE HELP WITH THIS QUESTION?✨
The simplified form of function sin(t)sec(t) is tan(t)
What are trigonometric ratios?The trigonometric functions and identities are the ratio of sides of a right-angled triangle. The sides of a right triangle are the perpendicular side, hypotenuse, and base, which are used to calculate the sine, cosine, tangent, secant, cosecant, and cotangent values using trigonometric formulas.
sec(t) = 1/cos(t)
replacing sec(t) in the function sin(t)sec(t)
we have sin(t) x 1/cos(t) which becomes sin(t)/cos(t)
but sin(t)/cos(t) = tan(t)
In conclusion the simplified form of the function is tan(t)
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find total amount to be repaid. round to nearest cent as needed.
The total amount to be repaid by Neema will be $4135.50
How to calculate the total amount?It was illustrated that Neema bought appliances that cost $3805 at an interest charge of 5% and she will pay back in two years.
Since there is a $500 down payment, the remaining amount will be:
= $3805 - $500
= $3305
Therefore, the interest will be:
= PRT
= $3305 × 5% × 2
= $330.50
Therefore, total amount will be:
= $3305 + $500 + $330.50
= $4135.50
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What is the domain of the function graphed?
A. {x:x > -4}
B. {x:x < -4}
C. {x:x ≥ -4}
D. all real numbers
(If you have the time, please give an explanation because I completely forgot how to solve these problems)
The correct option is D .
This is a parabola with domain all real numbers D .
How to graph:
y= 2x - 5
Answer:
see attached
Step-by-step explanation:
You want to graph y = 2x -5.
GraphOften, the easiest way to graph a linear equation in slope-intercept form is to graph the y-intercept point, then use the slope to identify one or more additional points on the line. The graph is the line through the plotted points.
Slope-intercept formThe slope-intercept form of the equation of a line is ...
y = mx +b
where m is the slope, and b is the y-intercept.
The y-intercept is the point on the y-axis where the line crosses it. The coordinates there are (0, b).
Here, we have y = 2x -5, so m=2 and b=-5. The y-intercept point is (0, -5).
The slope is the ratio of "rise" to "run" for the line. A slope of 2 means the line rises 2 units for each 1 unit it goes to the right. That means (0 +1, b+2) will be another point on the line: (1, -3).
El coche de juan viaja 20 m/s y el coche de pedro recorre 150 metros en 5 segundos. Si ambos tienen rapidez constante ¿ cuantas veces es mas rapido el coche de pedro que el coche de juan?
Therefore , the Pedro's car speed is 2 times the Juan car speed.
Define the speed.Speed is a measure of how fast something or an individual is moving. It is possible to determine an object's average speed if you are aware of how far it has come and how the time it took to get there. Speed is determined by the formula: speed = distance * time.
Here,
Juan car travels 15 m/s
Where as Pedro's car travels 150 meters in 5 seconds.
Thus,
Pedro car speed is
=> 150/5
=>30 m/s
thus , pedro car speed is 30 m/s
Therefore , the pedro car speed is 2 times the Juan car speed.
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Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profft on every sandwich is S2, and tne profit on every wrap is $3. Sal made a profit of
$1,470 from lunch specials last month. The equation 2X + 3y = 1,470 represents Sal's profits last month, where x is the number of sandwich lunch specials sold and y is the
number of wrap lunch specials sold.
Change the equation to slope-intercept form. Identify the slope and y-intercept of the equation. Be sure to show all your work.
2. Describe how you would graph this line using the slope-intercept method. Be sure t write using complete sentences.
3. Write the equation in function notation. Explain what the graph of the function represents. Be sure to use complete sentences.
4. Graph the function. On
graph. make
graphing echnology.
label the intercepts. You may graph your equation by hand on a piece of paper and scan your work or you may use
5. Suppose Sal's totai profit on lunch specials for the next month is $1,593. The profit amounts are the same: $2 for each sandwich and $3 for each wrap. In a paragraph of or
at least three complete sentences, explain how the graphs of the functions for the two months are similar and how they are differant.
Change the equation into slope intercept from .identify the slope and y intercept of the equation
Y= mx +b
2x+3y=1470
Subtracting -2x on both sides,
2x+3y-2x=1470-2x
3y=1470-2x
Divided by 3 on both sides
3y/3=1470/3-2x/3
Y=490-2/3x
Y= -2/3x+490..(1)
we know that,
y=mx +b
with the help of equation (1)draw a graph
we will start from (0,490)and then we will move 2 steps down and 3 step right.
F(x)=-2/3x+490
The graph represent how many graph and sandwich whield,
x=600
put the value of equation (1)
y= -2/3×600+490
y= -400+490
y=90
(600,90)
So these all represent correct things’
1200+270=1470
If you take the x-axis and take the y-axis of any point at that point, the x-axis and the y-axis, when calculating the profit, subtract 0 from 1 4, so it's not. Represents profit Represents the number of sandwiches and reps sold, from which profit is calculated to be 1470.
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Which of the following is the absolute value parent function?
Answer:
The absolute value parent function is represented by the function F(x) = |x|. This function takes any real number as input and returns the absolute value of that number as output. For example, F(5) = |5| = 5, and F(-3) = |-3| = 3. The other functions you have listed are not absolute value functions.
Step-by-step explanation:
painting at a constant rate, will used 2/3 of a can of paint in 1 1/2 hours.show how to reason
Unit rate is the quantity of an amount of something at a rate of one of another quantity.
1 can of paint is used in 2(1/4) hours
4/9 can of paint is used in 1 hour.
What is a unit rate?It is the quantity of an amount of something at a rate of one of another quantity.
In 2 hours, a man can walk for 6 miles
In 1 hour, a man will walk for 3 miles.
We have,
2/3 can of paint = 1(1/2) hours
2/3 can of paint = 3/2 hours
Multiply 2/3 on both sides.
2/3 x 2/3 can of paint = 1 hour
4/9 can of paint = 1 hour
Or
2/3 can of paint = 1(1/2) hours
Multiply 3/2 on both sides.
1 can of paint = 3/2 x 3/2 hours
1 can of paint = 9/4 hours
1 can of paint = 2(1/4) hours
Thus,
We can say that,
1 can of paint is used in 2(1/4) hours
4/9 can of paint is used in 1 hour.
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Which of the following is a rational number ?
(Option A) 1/2 - This is a rational number because it is a fraction with both numerator and denominator being integers.
What is a rational number?A rational number is any number that can be written as a fraction of two integers (where the denominator is not equal to zero). Examples of rational numbers include:
Integers (e.g. 5)Fractions (e.g. 1/2), Recurring decimals (e.g. 0.3333)A rational number can be represented in many different forms. It can be written as a fraction, with both the numerator and denominator being integers, or as a decimal, with the decimal part either terminating or repeating. A rational number can also be written as a mixed number, which is a combination of an integer and a fraction.
Since the question is not complete, here is the full task:Which of the following is a rational number?
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Which of the following is the best estimate of
A.7 1/2
B. 8
C.8 1/2
D. 9
Answer:
b
Step-by-step explanation:
did the math?
8 is the best estimate of [tex]8\frac{1}{8}[/tex].
In simple words, the ratio of the two numbers is called a fraction.
Mixed fraction is a form of a fraction which is defined as the ones having a fraction and a whole number.
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.
Step 1: Multiply the denominator with the whole number,
i.e. Multiply 8 with 8 in the given example, 8(1/8).
8× 8 =64
Step 2: Add the numerator of the Fraction to the result in step 1. i.e., Add 1+ 64=65.
Step 3: Keep the Denominator same i.e. 8.
Step 4: The Improper fraction obtained is: 65/8.
Given number can be denoted as 8+[tex]\frac{1}{8}[/tex] = 8+0.15 = 8.15
So the number is nearest to 8 itself.
i.e. 8 is the best estimate.
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In the figure below, points N, K, J, and H lie in plane Z.
Points L and M do not lie in plane Z.
For each part below, fill in the blanks to write a true statement.
L
N
Z
M
(a) K, , and are distinct points that are
collinear.
(b) LM and , are distinct lines that
intersect.
(c) Point N and line are coplanar.
(d) Another name for plane Z is plane.
Points H, J and K are collinear and I'll choose K, J, and H as the non-collinear points
What is are of triangle?
The territory included by a triangle's sides is referred to as its area. Depending on the length of the sides and the internal angles, a triangle's area changes from one triangle to another. Square units like m2, cm2, and in2 are used to express the area of a triangle.
Points H, J and K are collinear as they are on the same line. Pick either K or K to fill out the answer box. I'll go with point K.
it through. Imagine if the flat piece of paper could revolve about this axis (like a propeller). The fact that the points are not all on the same line ensures that we build exactly one individual plane.
I'll choose K, J, and H as the non-collinear points to give the object the name Plane KJH. There may be further options.
Hence, Points H, J and K are collinear and I'll choose K, J, and H as the non-collinear points
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Al Roy bought five bonds of Jort Co. 11 3/4 at 93.25 and four bonds of Inst. System 12x08 for 81.125. If the commission on the bonds is $2.50 per bond, the total cost of all the purchases is:
Multiple Choice
$4,662.50
$3,425.00
$7,930.00
$7,907.50
The required total cost of all the purchases is $7,930.00. Option C is correct.
Given that,
Al Roy bought five bonds of Jort Co. 11 3/4 at 93.25% and four bonds of Inst. System 12x08 for 81.125%, the commission on the bonds is $2.50 per bond.
The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
Total bond = 4 + 5 = 9
Face value of a bond = $1000
Total cost = $1000 × 0.9325 × 5 + $1000 × 0.81125 × 4 + 2.50 × 9
Total cost = $7,930.00
Thus, The required total cost of all the purchases is $7,930.00. Option C is correct.
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The formula for finding the volume of a cube is V = s3, where s is the length of the side of the cube. Terrance has a cube that measures 3 inches long along each side. What is the volume of the cube? _______________inches3 ( just write the number)
The volume of the cube with a side edge of 3 inches will be 27 cubic inches.
What is a volume of a cube?Suppose that: The side length of the considered cube is L units. Then, we get:
Volume of that cube = L³ cubic units.
Terrance has a shape that actions 3 inches long along each side.
The edge length of the cube is 3 inches. Then the volume of the cube will be given as,
V = (3)³
V = 27 cubic inches
The volume of the cube with a side edge of 3 inches will be 27 cubic inches.
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The students calculate a chi-squared value of 92.86 and compare it with a critical value of 7.82. Which of the following best completes the chi-square good The null hypothesis cannot be rejected, and the students should conclude that the data fit a model of independent assortment. The null hypothesis cannot be rejected, and the students should conclude that the data may have resulted from genetic linkage. The null hypothesis can be rejected, and the students should conclude that the data fit a model of independent assortment The null hypothesis can be rejected, and the students should conclude that the data may have resulted from genetic linkage.
The students should draw the conclusion that the data might have been caused by the genetic connection if the null hypothesis is rejected.
Given information;
The students determine a crucial value of 7.82 and compare it to a chi-squared value of 92.86.
Which of the following results in the chi-square goodness-of-fit test being most complete?
The null hypothesis can be rejected, and the students should conclude that the data may have resulted from the genetic linkage.
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in the context of assessing wound healing as an indicator of immune functioning, which of the following impairs the inflammatory response that initiates wound repair?
Acute ethanol exposure can hinder the early inflammatory response, which can delay wound healing.
Hemostasis, inflammation, proliferation, and remodeling are the four perfectly timed steps that make up the normal biological process of wound healing in the human body. All four phases of wound healing must take place in the right order and amount of time for healing to be successful. Numerous factors may affect one or more stages of this procedure, impairing or causing incorrect wound healing.
Each stage of wound healing has certain milestones that must occur in order for normal healing to progress. In order to identify the differences inherent in chronic wounds that prevent healing, it is important to review the process of healing in normal wounds
In summary, acute ethanol exposure can lead to impaired wound healing by impairing the early inflammatory response, inhibiting wound closure, angiogenesis, and collagen production, and altering the protease balance at the wound site.
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Solve the inequality
8+3x<20
Answer:
x < 4
Step-by-step explanation:
8 + 3x < 20 ( subtract 8 from both sides )
3x < 12 ( divide both sides by 3 )
x < 4
[tex]\huge\text{Hey there!}[/tex]
[tex]\mathsf{8 + 3x < 20}[/tex]
[tex]\mathsf{3x + 8 < 20}[/tex]
[tex]\text{Subtract by 8 to both sides}[/tex]
[tex]\mathsf{3x + 8 - 8 < 20 - 8}}[/tex]
[tex]\text{Simplify it}[/tex]
[tex]\mathsf{3x < 20 - 8}[/tex]
[tex]\mathsf{3x < 12}[/tex]
[tex]\text{Divide 3 to both sides}[/tex]
[tex]\mathsf{\dfrac{3x}{3} < \dfrac{12}{3}}[/tex]
[tex]\text{Simplify it}[/tex]
[tex]\mathsf{x < \dfrac{12}{3}}[/tex]
[tex]\mathsf{x < 4}[/tex]
[tex]\huge\text{Therefore, your answer should be: \boxed{\mathsf{x < 4}}}\huge\checkmark[/tex]
[tex]\rm{You\ have\ an\ O P E N\ circle\ shaded\ to\ the\ left\ }\large\checkmark[/tex]
[tex]\huge\text{Good luck on assignment \& enjoy your day!}[/tex]
What is the circumference of a circle with radius 17 mm?
The circumference of the circle with radius 17 millimeter is 106.76 millimeter
The radius of the circle = 17 millimeter
The circumference of the circle is defined as the linear distance around the circle
The radius of the circle is the distance between the center of the circle to the any point of the circumference.
The circumference of the circle = 2 × π × r
Where r is the radius of the circle
The value of the π = 3.14
Substitute the values in the equation
The circumference of the circle = 2 × 3.14 × 17
Multiply the numbers
= 106.76 millimeter
Therefore, the circumference of the circle is 106.76 millimeter
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X, Y and Z form the vertices of a triangle, where
∠
YXZ = 62°, XY = 6.1m and XZ = 7.9m.
Calculate the area of the triangle. Round your answer to 1 DP.
Answer:
Step-by-step explanation:
When sides 'z' and 'y' and included angle X is known, the area of the triangle is:
Area (∆XYZ) = 1/2 × yz × sin(X)
1/2 x 7.9 x 6.1 x Sin(62) = 21.27
What is the equidistant Theorem?
The Equidistant Theorem states that the distance between two points on a line is equal to the sum of the distances from each point to a third point. This theorem is often used to prove the existence of certain geometric shapes, such as triangles and circles.
What is the equidistant Theorem?The Equidistant Theorem is a useful tool for proving the existence of certain geometric shapes. By measuring the distance between two points and then measuring the distance from each point to a third point, the distance between the two points will be equal to the sum of the distances of the two points to the third point.
This theorem is helpful for constructing triangles and circles, as it allows us to quickly and accurately identify the necessary distances between the points. This theorem is also useful for finding the center of a circle, as the center of the circle is always equidistant from its circumference. As a result, the Equidistant Theorem is a fundamental theorem in geometry that is used to prove the existence of certain geometric shapes.
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Jina is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.
Company A charges $91
and allows unlimited mileage.
Company B has an initial fee of $55
and charges an additional $0.80
for every mile driven. For what mileages will Company A charge less than Company B?
Use m
for the number of miles driven, and solve your inequality for m
Hence for miles greater than 45, the Company A will charge less than Company B.
Given:
Jina is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.
Company A charges $91 and allows unlimited mileage.Company B has an initial fee of $55 and charges an additional $0.80 for every mile driven.we are asked to find for what mileages will Company A charge less than Company B = ?
from the question we frame the inequality as:
⇒ 91< 55+0.80m
⇒ 36<0.80m
⇒ 45<m
or
m>45
Check answer
55+45(0.8)=91 check
Hence for miles greater than 45, the Company A will charge less than Company B.
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Which property of equality justifies the statement if x - 2 = 9, then x = 11
The equality property that is used to prove the statement is the addition property of the equality.
Which property of equality justifies the statement?Let's start with the general equation
A = B
That we assume is a true equation.
There is a property called the addition property of the equality, it says that we can add the same number in both sides of the equation.
Then if we add a number C in both sides, we will get:
A + C= B + C
And that equation is still true.
Ok, let's go to our equation:
x - 2 = 9
We can add the same number in both sides which is 2, then we get:
x - 2 + 2 = 9 + 2
x = 11
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Ticket sales for Six Flags White Water totaled $94,520 this summer. Tickets for the water park cost $17 each. How many tickets were sold?
The number of tickets that will be sold is 5560.
What is division?
A division is one of the fundamental mathematical operations that divides a larger number into smaller groups with the same number of components. How many total groups will be established, for instance, if 20 students need to be separated into groups of five for a sporting event? The division operation makes it simple to tackle such issues. Divide 20 by 5 in this case. 20 x 5 = 4 will be the outcome. There will therefore be 4 groups with 5 students each. By multiplying 4 by 5 and receiving the result 20, you may confirm this value.
Ticket sales for Six Flags White Water totaled $94,520 this summer.
Tickets for the water park cost $17 each.
The number of tickets sold will be = 94520/17 = 5560.
Hence, the number of tickets that will be sold is 5560.
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The population of bears on a nature preserve was 95 last year.This year , the population increased by 20% . what is the new bear population on the preserve
Answer:
114
Step-by-step explanation:
120% of 95 = 1.2 × 95 = 114
Consider the solid that lies above the square R=[0,2]X[0,2] and below the elliptic paraboloid z=81-x^2-y^2.a.) estimate the volume by dividing R into 4 equal squares and choosing the sample points to lie in the lower left hand corners.b.) estimate the volume by dividing R into 4 equal squares and choosing the sample points to lie in the upper right hand corners.c.) what is the average of the two answers from a and b.d.) using iterated intergrals compute the exact value of the volume.
Volume of the solid (when squares divided into 4 equal parts in the lower left hand corners) = 318 cubic units.
Step-by-step explanation:
Paraboloid z=81-x2 -y2
The lower left hand corners of the squares are(0,0)(1,0)(0,1) and (1,1).
Then the volume can be estimated as,
Volume ≈ΔA [f(0,0)+f(1,0)+f(0,1)+f(1,1)]
= 1[81+79+80+78]=318 cubic units.
b.) estimate the volume by dividing R into 4 equal squares and choosing the sample points to lie in the upper right hand corners.
Volume of the solid (when squares divided into 4 equal parts in the upper right hand corners) = 294 cubic units.
Paraboloid z=81-x2 -y2
The upper right hand corners of the squares are(1,1)(2,1)(1,2) and (2,2).
Then the volume can be estimated as,
Volume ≈ΔA [f(1,1)+f(2,1)+f(1,2)+f(2,2)]
= 1(78+69+75+72)=294 cubic units
c.) what is the average of the two answers from a and b
Average of part a and b answer = (318+294)/2 = 712/2=306 cubic units
d.) using iterated integrals compute the exact value of the volume.
0202(81-x2 -y2) dy dx = 02[81y-x2y-⅓ y3]02 dx
= 02[162-2x2-8/3] dx
= [162x-2x3/3-8/3 x]20
=644-16/3-16/3
= 644 cubic units.
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Tinas chihuahua had 6 puppies.she can sell each one for 150 how much koney would she make
Answer: $900
Step-by-step explanation:
1 puppy cost- $150
150×6 puppies= $900 dollars
Answer:
She would make 900
Step-by-step explanation:
You can split the multiplication for example, I split the hundreds and tens. First you multiply 6 to 100. We know that 6×1=6 so we use that by taking out the two zeros in the beginning and adding them back after multiplying by 1. It would then become 6×100 ~> 6×1(⁰⁰) ~> 6 then add back the zeros which would then become 600! Now we multiply 6 to 50. We use the same method again. 6×5(⁰) ~> 30(⁰) ~> 300. Now we add those two products together. 600+300=900
What is the image point of (-1, -3) after the transformation D2 0 T-4,-5?
The image of the point after the transformation D₂,₀ T₋₄,₋₅ is (-6, -15)
What is a dilation?Dilation involves enlarging or reducing the side length of a shape to create another shape by a constant scale factor, where the scale factor does not equal one.
How to determine the image of the point?The coordinates of the point are given as
(-1, -3)
The transformation is given as D2 0 T-4,-5
This transformation, when properly expressed is
D₂,₀ T₋₄,₋₅
This represents
Dilation by a scale factor of 2 across the origin4 units left translation and 4 units down translationAs mentioned above,
D₂,₀ T₋₄,₋₅
Mathematically, we have
(x, y) ⇒ (2x - 4, 2y - 5)
Substitute (-1, -3) in (x, y) ⇒ (2x - 4, 2y - 5)
So, we have
(x, y) ⇒ (2(-1) - 4, 2(-5) - 5)
Evaluate
(x, y) ⇒ (-6, -15)
Hence, the coordinates of the image are (-6, -15)
Read more about transformation at
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Find the area of the circle x2 + y2 + 4x – 8y – 29 = 0. in sq.units
Answer:
A ≈ 154 units²
Step-by-step explanation:
the area (A) of a circle is calculated as
A = πr² ( r is the radius)
to calculate the area we require to know r
the equation of a circle in standard form is
(x - h)² + (y - k)² = r²
given
x² + y² + 4x - 8y - 29 = 0
collect x and y terms together and add 29 to both sides )
x² + 4x + y² - 8y = 29
obtain standard form for circle using the method of completing the square
add ( half the coefficient of the x/ y terms)² to both sides
x² + 2(2)x + 4 + y² + 2(- 4)y + 16 = 29 + 4 + 16
(x + 2)² + (y - 4)² = 49 = r² ← in standard form
Then
A = πr² = π × 49 ≈ 154 units² ( to the nearest whole unit )
