Answer:
He got $2.04 back
Step-by-step explanation:
5.98
+ 1.98
_____
= 7.96
10 - 7.96 = 2.04
Find the rate of change of y with respect to x if dy dx x²y-5+2 ln y = x³
The rate of change of y with respect to x is given by dy/dx = xy - (3/2)x²y.
To find the rate of change of y with respect to x, we need to differentiate the given equation. The rate of change can be determined by taking the derivative of both sides of the equation with respect to x.
First, let's differentiate each term separately using the rules of differentiation.
Differentiating x²y with respect to x gives us 2xy using the product rule.
To differentiate 5, we know that a constant has a derivative of 0.
Differentiating 2ln(y) with respect to x requires the chain rule. The derivative of ln(y) with respect to y is 1/y, and then we multiply by dy/dx. So, the derivative of 2ln(y) is 2/y * dy/dx.
Differentiating x³ gives us 3x² using the power rule.
Now, we can rewrite the equation with its derivatives:
2xy - 2/y * dy/dx = 3x²
To solve for dy/dx, we can isolate it on one side of the equation. Rearranging the equation, we get:
2xy = 2/y * dy/dx + 3x²
To isolate dy/dx, we move the term 2/y * dy/dx to the other side:
2xy - 2/y * dy/dx = 3x²
2xy = 2/y * dy/dx + 3x²
2/y * dy/dx = 2xy - 3x²
Now, we can solve for dy/dx by multiplying both sides by y/2:
dy/dx = (2xy - 3x²) * (y/2)
Simplifying further, we have:
dy/dx = xy - (3/2)x²y
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PLEASE HELP ME ANSWER MY QUISTION
GIVEN THE FOLLOWING RECIPE AND ITS ESTIMATED COST, COMPUTE FOR THE TOTAL PURCHASE COST AND IMPOSE 50% MARK UP TO DETERMINE THE SELLING PRICE OF YOUR PRODUCT
YIELD = 15 SERVING
TOTAL COST =
MARK UP= 50%
SELLLING PRICE =
SELLING PRICE PER SERVING =
Based on the information in the graph, it can be inferred that the total cost would be: 233.521, mark up: 116.75, and selling price: 350.271.
How to calculate the total cost?To calculate the total cost we must multiply the unit price of each product by the number of units we need. Once we get this result, we add everything to find the total cost.
How to calculate the mark up?To calculate the mark up we must divide the total cost of each ingredient in two. Once we have these results, we add everything to find the mark up.
How to calculate the selling price?To calculate the selling price we must add the mark up and the total cost of each ingredient. Additionally, to find the total selling price of all the products we must add all the values.
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The ratio of a to b is 4/7. If a is 16, find the value of b.
Answer:
B=28
Step-by-step explanation:
\( A \cdot C \) I. \( x=0 \) a
( x = 0 \) and \( a \), the expression \( A \cdot C \) simplifies to 0.
In the given expression, \( A \cdot C \), the variables \( A \) and \( C \) are being multiplied together.
However, the question also provides additional information, stating that \( x = 0 \) and \( a \). It is not clear what value \( a \) represents, so we will need more information to determine its significance in the expression.
As for the value of \( x \), since it is given that \( x = 0 \), we can substitute this value into the expression.
So, \( A \cdot C \) becomes \( A \cdot C \cdot 0 \).
Multiplying any number by zero will always result in zero, regardless of the value of \( A \) or \( C \).
Therefore, \( A \cdot C \cdot 0 = 0 \).
To summarize, when \( x = 0 \) and \( a \), the expression \( A \cdot C \) simplifies to 0.
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PLEASE help. I have posted this question many times and no one is answering.
Identify if the scenario is proportional or non-proportional, if proportional identify the constant of proportionality in terms of x and y.
Mindy is mixing a cleaning solution of 1 part bleach to 10 parts water.
Is this scenario Proportional or non-proportional?
Answer:
Proportional
Step-by-step explanation:
It follows the proportion of 1:10, 1 part bleach to 10 parts water.
I need help with fractions
Answer: 3 1/2 represents G and 2 3/4 represents point K
Step-by-step explanation: If you look at the first on it is 3 1/2 because it is in the middle and the second one is divided in fourths so K is 2 3/4.
Tamera buys a shirt for $14.69 and a pair of pants for $21.32. How much more does she spend for the pants?
Answer:
$6.63
Step-by-step explanation:
$21.32-$14.69=$6.63
if i was talking to a friend on a cell phone and i suddenly couldn't hear them because my phone ran out of battery power, what part of the mathematical model of communication would best explain this problem? scom 2050
The mathematical model of communication would classify this issue as channel capacity.
The greatest quantity of data that can be transferred error-free across a communication channel, such as a mobile phone network, is represented by the channel capacity. In this instance, the phone's battery power determines the channel capacity. As the battery depletes, the phone's ability to send and receive information declines, making it impossible to hear the person on the other end of the line.
Communication models are streamlined depictions of the communication process. Most models attempt to explain both verbal and nonverbal communication, and frequently regard it as a message-exchange. Their purpose is to provide a concise picture of the intricate communication process.
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In parallelogram GHJK if mJKG=115° find m&KGH.
Answer:
x = 65 degree
Step-by-step explanation:
x + 115 = 180 degree (sum of adjacent angles of a parallelogram is 180 degree)
x = 180 - 115
x = 65 degree
Can someone please answer this with step please.
Answer:
It is the sedond one
Step-by-step explanation:
7n, 4n because they have the same variable, n.
help please sorry again
Answer:
C. 2 and 6
Step-by-step explanation:
2 and 6 are the zeros because they are both on X
A city manager wants
to know if city residents think the recreation center should have extended hours for teenagers. Which sample is likely to
se representative of the population of city residents?
A.) Roll a number cube to select one of the first six names in a list of females in the city, then select every ninth name.
B) Spin a spinner with sections labeled 1 through 5 to select one of the first five names in a list of people living alone in the city, the
select every 4th name.
C) Spin a spinner with section labeled 1 through 5 to select one of the first five names in a list of registered voters in the city, then
select every 9th name
D) Roll a number cube to select one of the first six names in a list of the city residents, then select every 15th name.
Answer:
A is the answer
Step-by-step explanation:
What is the area of this tile? 10 in 8 in. 6 in.
Answer:
i think 24
Step-by-step explanation:
1/2 H x B
6 x 8 =48 1/2 is 24
The area of the tile is 24 square in.
What is a triangle?A triangle is a flat geometric figure that has three sides and three angles. The sum of the interior angles of a triangle is equal to 180°. The exterior angles sum up to 360°.
For the given situation,
The tile is in the shape of right triangle.
The sides of triangle are 10 in, 8 in, 6 in.
Here, Base of the triangle,b = 6 in
Height of the triangle,h = 8 in
The formula of area of triangle is
\(Area = \frac{1}{2}(base) (height)\)
⇒ \(A=\frac{1}{2}(6)(8)\)
⇒ \(A=24\)
Hence we can conclude that the area of the tile is 24 square in.
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Please help me i am struggling only do the left side
Answer:
1. Y = -1/4x + 1
3. Y = 2/5x + 1
5. Y = 4/5x + 5
7. Y = -x + 5
9. Y = -5/2x - 16
Step-by-step explanation:
Find the slope using the formula
Use the slope and one of the points to find the y-intercept
Once you know the value for m and the value for b, you can plug these into the slope-intercept form of a line (y = mx + b) to get the equation for the line.
billy took a 3/4 mile hike in the woods. if the stopped every 1/4 of a mile to drink from his water bottle, how many times did the top?
What is the surface area?
10 ft
8 ft
10 ft
12 ft
10 ft
Answer:
12×8/2=48
10×10=100
2(48)+3(100)
96+300= 396ft²
NEED HELP ASAP
Charlie and Lupita both opened bank accounts and deposited $25 each. Lupita used her debit card to buy lunch for $10. Charlie used his debit card to buy a new video game for $50. Which of the following statements about their accounts is NOT true?
Charlie owes the bank more than Lupita has in her account.
The value of Charlie's account is greater than that of Lupita's.
The money in Lupita's account is not enough to pay off Charlie's debt.
Even if Charlie were to add $25 to his account, its value would still be less than Lupita's.
Answer:
B
Step-by-step explanation:
A volleyball player hits a ball from a height of 6 feet with an initial vertical velocity of 16 feet per second. What is the maximum height of the volleyball? Assuming it is not hit by another player, when will the volleyball hit the ground? Round the answers to two decimal places if necessary.
The maximum height of the volleyball is ___
feet.
The volleyball will hit the ground after ___
seconds.
Considering a quadratic equation, it is found that:
The maximum height of the volleyball is of 19.06 feet.The volleyball will hit the ground after 3.6 seconds.What is the quadratic equation for an object's height?Considering the height in feet, it is given by:
h(t) = -4.9t² + v(0)t + h(0)
In which:
v(0) is the initial velocity.h(0) is the initial height.In this problem, we have that h(0) = 6, v(0) = 16, hence the equation is given by:
h(t) = -4.9t² + 16t + 6
Which is a quadratic equation with coefficients a = -4.9, b = 16, c = 6. Hence the maximum height is found as follows:
\(\Delta = b^2 - 4ac = 16^2 - 4(-4.9)(6) = 373.6\)
\(h_{MAX} = -\frac{\Delta}{4a} = -\frac{373.6}{-4(4.9)} = 19.06\)
The maximum height of the volleyball is of 19.06 feet.
It hits the ground at the roots, hence:
The solutions are:
\(x_1 = \frac{-16 + \sqrt{373.6}}{-9.8} = -0.34\)
\(x_2 = \frac{-16 - \sqrt{373.6}}{-9.8} = 3.6\)
Time is a positive measure, hence:
The volleyball will hit the ground after 3.6 seconds.
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help me pls I need to get my grade up before July 11th so help ASAP
who else does online school? lol lets be friendss !!
Answer: Meeeeee
Step-by-step explanation:
Answer:
SURE
Step-by-step explanation:
let b be a subset of a where |a| = n and |b| = k. what is the number of subsets of a whose intersection with b has exactly one element
If b be a subset of a where |a| = n and |b| = k, then the number of subsets of a whose intersection with b has exactly one element is k × (n-k) C(k-1)
Let's first choose the one element that must be in the intersection of any subset of A with B. Since B has k elements, there are k choices for this element.
Now, we need to choose the remaining (k-1) elements of the subset from A - B, which has n-k elements. There are (n-k) choose (k-1) ways to do this.
Therefore, the total number of subsets of A whose intersection with B has exactly one element is
k × (n-k) choose (k-1)
Alternatively, we can write this as
k × (n-k)C(k-1)
where nCk represents the number of ways to choose k items from a set of size n using combinations.
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(2,5) (0,-1)
whats the slope?
Answer:
Step-by-step explanation:
An easy way to do slope is to know the formula which is (y1-y2)/(x1-x2)
In this case you have two points (2,5) and (0,-1)
2 = x1 (cause it’s the first x)
5 = y1 (cause it’s the first y)
0 = x2 (second x)
-1 = y2 (second y)
So the slope would be
(5-(-1))/2-0= 6/2 = 3
4/5 + 3/4= asap PLEASEEE
do anyone know about this ?
2 numbers are in ratio 2 is to 4 if their sun is 147 then what i the largest number?
Answer:
The larger number is 98
Step-by-step explanation:
Let the numbers be a and b
a/b= 2/4
4a = 2b ------- 1
a + b = 147 -----2
a= 147 - b -------3
Substitute equation 3 into 1
4(147 -b) = 2b
588 - 4b = 2b
588= 2b + 4b
588 = 6b
b= 588/6
b= 98
Substituting b= 98 into 1
4a = 2(98)
4a = 196
a= 49
The larger number is 98
carter has 24 posters in his room. if he arranges them into 6 equal rows, how many posters will be in each row?
If he arranges them into 6 equal rows, 4 posters will be in each row.
Define division.One of the fundamental arithmetic operations in mathematics is the division, which is the process of dividing a group of items into equal pieces. Every day, we might employ the division approach in various situations. Fraction division differs significantly from natural number division. We must change the division operator into a multiplication operator when dividing fractions. Therefore, the dividend should be multiplied by the inverted divisor.
Given,
Total posters = 24
Arranging them into 6 equal rows,
Dividing:
24÷ 6
Reciprocating,
24 × 1/6
4
If he arranges them into 6 equal rows, 4 posters will be in each row.
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Please help! EXPLAIN! 15 points! Help! PLEASE! I give brainliest! Brainliest, stars, and hearts. EXPLAIN your thinking!
Answer:
+83
Step-by-step explanation:
The reason why it would be +83 is that it says that you walk UP 83 stairs.
And so from the word UP we know that the integer would be positive. And the number 83 represents how any stairs you walked up. So, it would be +83.
Hope this helped!!! :)
Brainliest?!?!
Stay safe and have a wonderful day/night/afternoon!!!
What is the Range of the data set
Answer:
The range of the data set is 16.
Step-by-step explanation:
The range of a box plot is the difference between the maximum and minimum value. To find the range of the given box plot, we can simply subtract the value located at the lower whisker from the value located at the upper whisker.
18 - 2 = 16
Hope this helps :)
Can some one plz help me
Answer:
A is the answer
Step-by-step explanation:
6 times 3.14 is 18.84
Given,
Diameter of circle = 6 in.
As we know that radius is half of diameter.
Radius = 6 × 1/2 = 3 inches
Now,
\( \sf Circumference \: of \: circle = 2 \pi \: r\)
\( = \: 2 \times \dfrac{22}{7} \times 3\)
\( = \dfrac{44}{7} \times 3\)
\( = \dfrac{132}{7} \)
\( = 18.84\: in.\)
Hence,option ( a ) is correct.
Help pls!!!!!!!!!! Thnk you.