Answer:
12 * 1.07 = 12.84
Step-by-step explanation:
You an can pick any number to express another number in this example we find 0.84 = 7% and 12 = 1 as 12 represents 1 whole.
find the volume of the solid obtained by rotating the region in the first quadrant bounded by , , and the -axis around the -axis.
To find the volume of a solid obtained by rotating a region around the x-axis, you can use the disk or washer method. Divide the region into small disks or washers and find the volume of each by integrating over the interval.
Let's look at the part of the region between x=0 and x=1. To rotate this part around the y-axis, we'll need to find the radius of each shell. The radius of each shell is just the distance from the y-axis to the point on the curve, so it's equal to x. The height of each shell is just the height of the region, which is given by y. So the volume of this part of the region is: V1 = ∫[0,1] 2πxy dx. The part of the region between x=1 and x=4. To find the radius of each shell, we'll need to use the equation of the circle x^2 + y^2 = 4. Solving for y, we get y = √(4-x^2). So the radius of each shell is equal to √(4-x^2). The height of each shell is still just y. So the volume of this part of the region is: V2 = ∫[1,4] 2πy√(4-x^2) dx
The part of the region between x=4 and x=5. To find the radius of each shell, we'll need to use the equation of the line y=x-4. So the radius of each shell is equal to x-4. The height of each shell is still just y. So the volume of this part of the region is: V3 = ∫[4,5] 2πy(x-4) dx. Adding up these three volumes, we get the total volume: V = V1 + V2 + V3
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Use less than, equal to, or greater than to complete this statement: The measure of each exterior angle of a regular 10-gon is the measure of each exterior angle of a regular 7-gon.
a. equal to
b. greater than
c. less than
d. cannot tell
The measure of each exterior angle of a regular 10-gon is less than the measure of each exterior angle of a regular 7-gon. Option C
How to determine the statementFirst, we need to know the properties of polygons.
A polygon is a closed shape.It is made of line segments or straight lines.A polygon is a two-dimensional shape (2D shape) that has only two dimensions - length and width.A polygon has at least three or more sides.The formula for calculating the interior angles of a polygon is expressed as;
(n -2)180
such that n is the number of the sides of the polygon
Note that the sum of exterior angle
360/n
for 10, we have;
360/10 = 36 degrees
360/7 = 52. 4
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question the variable x represents the number of angelfish carlos bought and the variable y represents the number of parrotfish he bought. carlos bought 405 tropical fish for a museum display. he bought 8 times as many parrotfish as angelfish. how many of each type of fish did he buy? which system of equations models this problem?
Carlos buy 35 number of angelfish and 360 number of parrotfish.
What is solving an equation?
Unifying Principle for Equation Solving
By deleting parenthesis and grouping like terms, each side of the equation can be made simpler.
The variable term on one side of the equation can be separated using addition or subtraction.
To find the variable, use multiplication or division.
x represents the number of angelfish Carlos bought and the variable y represents the number of parrotfish he bought.
Carlos bought 405 tropical fish for a museum display.
x + y = 405 ..(1)
As he bought 8 times as many parrotfish as angelfish.
⇒ y = 8x ..(2)
Plug y = 8x in equation (1)
x + 8x = 405
9x = 405
x = 45
Plug x = 45 in equation (2)
y = 8(45)
y = 360
Hence, Carlos bought 35 number of angelfish and 360 number of parrotfish.
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please help me with math and explain
Answer:
Try 2
Step-by-step explanation:
Mean means add all the numbers and divide by how many there are so:
1+2+3+4=10
Then divide how many there are which is 5
so lastly 10÷5=2
1. Definir por extensión los siguientes conjuntos: a. El conjunto de los enteros no negativos menores que cinco. b. El conjunto de los números primos entre 10 y 20. c. El conjunto de los múltiplos de 12 que son menores que 65. d. A = {x ∈ Z/ 3 < x < 12}. e. B = {x/ x es un número de un dígito}. 2. Definir por comprensión los siguientes conjuntos: a. El conjunto de los enteros mayores que diez. b. El conjunto de los enteros pares. c. El conjunto {1, 2, 3, 4, 5}. d. El conjunto de los números naturales menores que 10. e. El conjunto de los múltiplos de 2 que son menores que 15.
Answer:
Parte 1
a) {0, 1, 2, 3, 4}
b) {11, 13, 17, 19}
c) {12, 24, 36, 48, 60}
d) Conjunto A = {4, 5, 6, 7, 8, 9, 10, 11}
Conjunto B = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
Parte 2
a) {x ∈ Z / x > 10}
{11, 12, 13, 14, 15, ....}
b) {x ∈ Z / 2x}
{2, 4, 6, 8, 10, 12, ....}
c) {x ∈ Z / 1 ≤ x ≤ 5}
{1, 2, 3, 4, 5}
d) {x ∈ N / x < 10}
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9} o {1, 2, 3, 4, 5, 6, 7, 8, 9}
e) {x ∈ Z / 2x < 15}
{2, 4, 6, 8, 10, 12, 14}
Step-by-step explanation:
Parte 1
a.) El conjunto de enteros no negativos menos de cinco.
Los enteros son números enteros. Los enteros no negativos son enteros positivos y 0 (0 es un entero neutral ya que es un número entero)
{0, 1, 2, 3, 4}
b.) El conjunto de números primos entre 10 y 20.
Los números primos son números divisibles por solo 1 y ellos mismos.
{11, 13, 17, 19}
c.) El conjunto de múltiplos de 12 que son menores de 65.
Los múltiplos de 12 son números que surgen cuando 12 se multiplica por números enteros.
{12, 24, 36, 48, 60}
d.) A = {x ∈ Z / 3 < x < 12}. y. B = {x / x es un número de un dígito}.
El conjunto A se refiere a todos los números enteros entre 3 y 12 (no incluido)
Conjunto A = {4, 5, 6, 7, 8, 9, 10, 11}
El conjunto B es un conjunto de todos los números de un dígito.
Conjunto B = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
Parte 2
a. El conjunto de enteros mayores que diez.
El conjunto variará de 11 a infinito.
Se escribirá como {x ∈ Z / x> 10}
{11, 12, 13, 14, 15, ....}
b.) El conjunto de enteros pares.
El conjunto de enteros pares comenzará desde 2 e incluirá todos los números pares hasta el infinito.
Se escribirá como {x ∈ Z / 2x}
{2, 4, 6, 8, 10, 12, ....}
c.) El conjunto {1, 2, 3, 4, 5}.
Este es un conjunto de enteros entre 1 y 5 (inclusive)
Se escribirá como {x ∈ Z / 1 ≤ x ≤ 5}
{1, 2, 3, 4, 5}
d.) El conjunto de números naturales menores de 10.
Los números naturales son números de conteo.
Se escribirá como {x ∈ N / x < 10}
Algunos casos incluyen 0 como número natural y otros no.
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9} o {1, 2, 3, 4, 5, 6, 7, 8, 9}
e.) El conjunto de múltiplos de 2 que son menores que 15.
Se puede escribir como {x ∈ Z / 2x <15}
{2, 4, 6, 8, 10, 12, 14}
¡¡¡Espero que esto ayude!!!
In English
Part 1
a. The set of nonnegative integers less than five.
Integers are whole numbers. Non-negative integers are positive integers and 0 (0 is a neutral integer as it is a whole number)
{0, 1, 2, 3, 4}
b. The set of prime numbers between 10 and 20.
Prime numbers are numbers divisible by only 1 and themselves.
{11, 13, 17, 19}
c. The set of multiples of 12 that are less than 65.
Multiples of 12 are numbers that arise when 12 is multiplied by whole numbers.
{12, 24, 36, 48, 60}
d. A = {x ∈ Z / 3 < x < 12}. and. B = {x / x is a one-digit number}.
Set A refers to all integer numbers between 3 and 12 (non-inclusive)
Set A = {4, 5, 6, 7, 8, 9, 10, 11}
Set B is a set of all the one digit numbers.
Set B = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
Part 2
a. The set of integers greater than ten.
The set will range from 11 to infinity.
It'll be written as {x ∈ Z / x > 10}
{11, 12, 13, 14, 15, ....}
b. The set of even integers.
The set of even integers will start from 2, and include all the even numbers till infinity.
It'll be written as {x ∈ Z / 2x}
{2, 4, 6, 8, 10, 12, ....}
c. The set {1, 2, 3, 4, 5}.
This is a set of integers between 1 and 5 (inclusive)
It'll be written as {x ∈ Z / 1 ≤ x ≤ 5}
{1, 2, 3, 4, 5}
d. The set of natural numbers less than 10.
Natural numbers are counting numbers.
It'll be written as {x ∈ N / x < 10}
Some cases include 0 as a natural number and some others do not.
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9} or {1, 2, 3, 4, 5, 6, 7, 8, 9}
e. The set of multiples of 2 that are less than 15.
It can written as {x ∈ Z / 2x < 15}
{2, 4, 6, 8, 10, 12, 14}
Hope this Helps!!!
9. Sandy bought a laptop for $500.
She had a coupon for 25% off. She
still needs to pay 8% tax. How
much did he pay for the laptop?
Answer:
final price:400
tax amount:100
An acute angle of a right-angled triangle is twice the other acute ongle find them
Answer:
30° and 60°Step-by-step explanation:
An acute angle of a right-angled triangle is twice the other acute ongle find them
the sum of the internal angles of a triangle is 180 °, take away the right angle (90 °) and divide by three, and you find one of the unknown angles, you multiply it by 2 and you find the other unknown angle
(180 - 90) : 3 = 30
30 * 2 = 60
----------------------
check
90 + 30 + 60 = 180°
the answer is good
solve the following simultaneous equations: 3x+8y = 41
x+2y=11
Answer:
(3, 4)
Step-by-step explanation:
Using elimination method:
3x + 8y = 41
-3(x + 2y = 11)
-3x -6y = -33
2y = 8
y = 4
x = 3 (plug y back into the equation)
(3, 4)
Answer:
\(3x + 8y = 41 - - (1) \\ x + 2y = 11 - - (2) \\ (2) \: x + 2y = 11 \\ x = 11 - 2y - (3) \\ (3)in(1) is \: \: 3(11 - 2y) - 8y = 41 \\ 33 - 6y + 8y = 41 \\ 33 + 2y = 41 \\ 2y = 41 - 33 \\ 2y = 8 \\ y = \frac{8}{2} \\ y = 4 \\ y = 4 \: in \: (2) \: is \: x + 2(4) = 11 \\ x + 8 = 11 \\ x = 11 - 8 \\ x = 3\)
20 points!!! Will mark brainlist to whoever gives me the correct answers with the work:)
Use the information below for Part A, Part B, and Part C.
f(x) = 1/2x -7
g(x) = 2x + 14
Part A: Find (fog)(x). Show your work.
Part B: Find (gºf)(x). Show your work.
Part C: Use your answers to Part A and Part B to determine whether the two functions are inverses. Explain your answer fully.
Answer:
(1/2(2x+14)-7) = 1x+7-7= x g(f(x))= 2(1/2x-7)+14= x-14+14= xWe have the result being two variables of linearity hence they are not inverses. In order to be inverses they should have had switched notations, ie: -x vs x9514 1404 393
Answer:
A: (f∘g)(x) = x
B: (g∘f)(x) = x
C: the functions are inverses
Step-by-step explanation:
A: (f∘g)(x) = f(g(x)) = f(2x +14)
= 1/2(2x +14) -7 = x +7 -7 = x
(f∘g)(x) = x
__
B: (g∘f)(x) = g(f(x)) = g(1/2x -7)
= 2(1/2x -7) +14 = x -14 +14 = x
(g∘f)(x) = x
__
C: When a function is operated on by its inverse, then original argument value is restored. That is the case for functions f and g, so the two functions are inverses.
Label the vertex of this function\(y=-3(x-1)(x+4)\):
Answer:
vertex = ( - \(\frac{3}{2}\), \(\frac{75}{4}\) )
Step-by-step explanation:
Given a parabola in standard form
y = ax² + bx + c ( a ≠ 0 )
Then the x- coordinate of the vertex is
\(x_{vertex}\) = - \(\frac{b}{2a}\)
Given
y = - 3(x - 1)(x + 4) ← expand the factors using FOIL
= - 3(x² + 3x - 4) ← distribute parenthesis by - 3
= - 3x² - 9x + 12 ← in standard form
with a = - 3 and b = - 9 , thus
\(x_{vertex}\) = - \(\frac{-9}{-6}\) = - \(\frac{3}{2}\)
Substitute this value into the equation for corresponding value of y
y = - 3( - \(\frac{3}{2}\) - 1)( - \(\frac{3}{2}\) + 4)
= - 3 × - \(\frac{5}{2}\) × \(\frac{5}{2}\)
= - 3 × - \(\frac{25}{4}\)
= \(\frac{75}{4}\)
Thus
vertex = ( - \(\frac{3}{2}\), \(\frac{75}{4}\) )
will mark brainliest for correct answer
Answer:
Y
Step-by-step explanation:
Look at Y and look at the input and output it shows which one is it and how to find it you welcome :)
A car travels at the speed x + 30 kilometers in one hour, where x is an unknown. Find x if this car covers 300 kilometers in 3 hours?
Answer:
\(x=70\)
Step-by-step explanation:
We know that the car travels at speed \(x+30\) per hour. Thus, after \(h\) hours, it will have traveled \(h(x+30)\) kilometres.
We are given that it traveled 300 kilometres after 3 hours. So, we have...
\(300=3(x+30)\)
\(100=x+30\)
\(x=70\)
(x+4)^2-(x+2)(x-2)=20
⇒x²+ 4² - x²+ 2x - 2x + 4 = 20
⇒ x² - x² + 2x - 2x + 4² + 4 = 20
⇒ 16 + 4 = 20
⇒ 20 = 20
RHS = LHS hence proved
Answered by Gauthmath must click thanks and mark brainliest
Answer:
x = 0
Step-by-step explanation:
(a + b)² = a² +2ab + b²
(a +b)(a -b)= a² - b²
(x + 4)² - (x + 2 )(x - 2) = 20
x² + 2*4 *x + 4² - [x² - 2²] = 20
x² + 8x + 16 - [x² - 4] = 20
x² + 8x + 16 - x² + 4 = 20 {(-1) is distributed x² and (-4)²}
x² - x² + 8x + 16 + 4 = 20 {Combine like terms}
8x + 20 = 20
8x = 20 - 20
8x = 0
x = 0
how many cards must be selected from the standard 52 deck to guarantee that at least 3 cards of the same suit are chosen
Nine (9) cards must be selected from the standard 52 deck to guarantee that at least three cards are chosen from the same suit.
What is the pigeon-hole approach?
According to the pigeonhole principle, at least one container must hold more than one item if n things are placed into m containers, where n > m. For instance, if one possesses three gloves but none of them are ambidextrous or reversible, then there must be at least two right-handed gloves or at least two left-handed gloves since there are three items but only two categories of handedness. It is possible to establish potentially surprising consequences using this seemingly obvious assertion, a type of counting argument.
The standard 52 deck has 4 suits of 13 cards each, thus as per n pigeons need to be extracted from p = 4 pigeon-holes; as per established literature above.
∴ [(n - 1) / p] + 1 = 3 ⇒ [(n - 1) / 4] + 1 = 3 ⇒ n - 1 = 8 ⇒ n = 8 + 1 ⇒ n = 9
Therefore, nine (9) cards must be selected from the standard 52 deck to guarantee that at least three cards are chosen from the same suit.
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The sum of two rational numbers is
rational.
Rational numbers are numbers which can be written in the form of a/b where a and b are integers. The given statement that "the sum of two rational numbers is always rational".
What is a rational number?Rational numbers are numbers which can be written in the form of a/b where a and b are integers.
Example: 1/2, 3.5 (which is writable as 7/5), 2(which is writable as 4/2), etc.
What is an irrational number?Irrational numbers are those real numbers which are not rational numbers.
For example √2, π, √13, etc.
It is important thing to Know that all natural numbers are integers, and all integers are rational numbers. That means natural numbers are not irrational.
Since rational number include integers and finite decimal numbers, also the decimal are non-repeating and non-reoccurring. Therefore, the sum of two rational number is always rational.
Hence, the given statement that "the sum of two rational numbers is always rational".
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Prove the following statement using the given pieces of information.
Given: Line AB is parellel to Line DC and Line AD is parellel to Line BC.
Prove: Triangle ABC is congrent to Triangle CDA.
Triangle ABC is congruent to Triangle CDA using the SSS rule.
What is a triangle?It is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.
We have,
SSS rule states that,
If the three sides of one triangle are equal to the three sides of another triangle, then the triangles are congruent.
To prove:
ΔABC ≅ ΔCDA.
AB = DC ( given)
AD = BC (given)
AC = AC (common to both the triangles)
ΔABC ≅ ΔCDA ( By SSS rule )
Thus,
ΔABC ≅ ΔCDA by SSS rule.
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Someone please help, is due tonight, will give brainly if helped. Thank you...
Answer:
1. f & c, d & e,
2. h & a, g & b
3. h & d, f & b, g & c, a & e
here ya go, i hope this is correct if i remember right
Step-by-step explanation:
Solve for x. Round to the nearest hundredth if necessary.
X
24°
14
Step-by-step explanation:
there is no explanation about x so wierd
If the domain of the function
y = 2x - 6 is 2
function's range?
Answer: The domain of a function refers to the set of all possible input values for which the function is defined. In the case of the function y = 2x - 6, the domain is all real numbers since the function is defined for any value of x.
The range of a function, on the other hand, refers to the set of all possible output values that the function can produce. To find the range of the function y = 2x - 6, we need to determine the lowest and highest values that the function can produce.
Since the coefficient of x in the function is positive (i.e. 2), the function is increasing as x increases. This means that as x increases, the value of y also increases without bound. Similarly, as x decreases, the value of y also decreases without bound.
Therefore, the range of the function y = 2x - 6 is all real numbers.
Step-by-step explanation:
When Emily went to work, it was 83.8 degrees outside. When she was done working, it was 67.9 degrees outside. What was the change in temperature?
Question 4 options:
-15.8
-15.9
-16.0
-16.2
pls help 3
Answer:
b
Step-by-step explanation:
To find the change in temperature, we need to subtract the initial temperature from the final temperature:
Change in temperature = Final temperature - Initial temperature
Change in temperature = 67.9 - 83.8
Change in temperature = -15.9
Therefore, the change in temperature is -15.9 degrees, which means the temperature decreased by 15.9 degrees.
The answer is option B, -15.9.
The time spent dancing (minutes) and the amount of calories burned can be modeled by the equation c = 5. 5t. Which table of values matches the equation and includes only viable solutions? A 2-column table with 4 rows. The first column is labeled time (t) with entries negative 5, 0, 5, 10. The second column is labeled calories (c) with entries negative 27. 5, 0, 27. 5, 55. A 2-column table with 4 rows. The first column is labeled time (t) with entries 0, 5, 10, 15. The second column is labeled calories (c) with entries 0, 27. 5, 55, 82. 5. A 2-column table with 4 rows. The first column is labeled time (t) with entries negative 20, negative 15, negative 10, negative 5. The second column is labeled calories (c) with entries negative 110, negative 82. 5, negative 55, negative 27. 5.
T C
0 0
5 27.5
10 55
15 82.5
is the correct table
Function assigns the value one set to another. The above table is the correct table and only includes viable values.
What is Function?A function assigns the value of each element of one set to the other specific element of another set.
The given function of the number of calories burned is c=5.5t, where t is the time, and c is the number of calories. Also, the c is the output of the input t, therefore, the variable t is independent of c while c is the dependent variable.
The viable solution is the solution in which the value of the independent function is greater than or equal to 0. therefore, the table of values that matches the equation,
t c = 5.5t
0 5.5(0) = 0
1 5.5(1) = 5.5
2 5.5(2) = 11
3 5.5(3) = 16.5
4 5.5(4) = 22
5 5.5(5) = 27.5
hence, the above table is the correct table and only includes viable values.
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Work out m and c for the line:2y−4x=2
Step-by-step explanation:
General equation : y = mx + c
2y - 4x = 2
2y = 4x + 2
y = 2x + 1
Therefore m = 2 and c = 1.
a rectangular screen has a width of 2x 8. the length is 4x 1. what is the area of the entire screen?
The area of the entire screen is \(8x^2 + 34x + 8\) square units.
To find the area of the entire screen, you need to multiply its width by its length.
Width = 2x + 8
Length = 4x + 1
Area = Width × Length
Area = (2x + 8) × (4x + 1)
Now, we'll use the distributive property to multiply these expressions:
Area = 2x * 4x + 2x * 1 + 8 * 4x + 8 * 1
Area = 8x^2 + 2x + 32x + 8
Now, we'll combine the like terms:
\(Area = 8x^2 + 34x + 8\)
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If consumption is $5 billion when disposable income is $0 and if the marginal propensity to consume is dc 1 W +0.1 (in billions of dollars dy √y +1 find the national consumption function. C(y) =
Adding the initial consumption value of $5 billion, the national consumption function is: C(y) = 2√(y+1) + 5 (in billions of dollars)
To find the national consumption function C(y), we need to integrate the marginal propensity to consume (MPC) with respect to disposable income (y) and add the initial consumption value.
Given that the marginal propensity to consume is given by: dc/dy = 1/√(y+1)
We integrate dc/dy with respect to y:
∫(dc/dy) dy = ∫(1/√(y+1)) dy
Using the substitution u = y+1, du = dy, the integral becomes:
∫(1/√u) du
Applying the power rule of integration, we get:
2√u + C
Replacing u with y+1, we have:
2√(y+1) + C
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NEEED HELPPP WHICH ANSWER CHOICE BEST SUPPORTS THE AUTHORS PURPOSE IN THE ARTICLE “ISSUE OVERVIEW: SHOULD WE HAVE ZOOS?”
The answer which best explains the author's purpose in the article titled "Issue Overview: Should we have zoos?" is: to demonstrate that while there are valid arguments on both sides of the debate, the pro-zoo side is definitively stronger. The Option C is correct.
What are argument in Issue Overview: Should we have zoos?Zoo supporters argue that they are an inexpensive way for people to learn about various ecosystems and that the experience provides a sense of wonder. A close encounter with a lion or elephant may inspire someone to take action to save the species.
This is not the same as watching a video or seeing a picture of these animals, zoo supporters argue. A second major argument in favor of zoos is that they preserve species genetic diversity.
However, in more natural enclosures, many people believe it is wrong to keep a wild animal in captivity, regardless of how it is housed. Some activists argue that all living things should have personhood, which means they should have the same rights as humans. They claim that keeping wild animals violates their rights.
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Answer:
to show that there are valid points on both sides of the zoo debate and the debate itself has contributed to progress
Step-by-step explanation:
which structure is found in the cytoplasm of a typical plant cell?
Answer:
Lysosomes
Step-by-step explanation:
For the linear regression y = ẞ1 + ẞ2x + e, assuming that the sum of squared errors (SSE) takes the following form:
SSE = 382 +681 +382 + 18ẞ1ẞ2
Derive the partial derivatives of SSE with respect to B1 and B2 and solve the optimal values of these parameters.
a. B₁ = B1
b. B₂ =
The optimal values of these parameters are:
a. β₁ = 0
b. β₂ = 0
The linear regression y = β1 + β2x + e, assuming that the sum of squared errors (SSE) takes the following form:
SSE = 382 + 681 + 382 + 18β1β2
Derive the partial derivatives of SSE with respect to β1 and β2 and solve the optimal values of these parameters.
Given that SSE = 382 + 681 + 382 + 18β1β2 ∂SSE/∂β1 = 0 ∂SSE/∂β2 = 0
Now, we need to find the partial derivative of SSE with respect to β1.
∂SSE/∂β1 = 0 + 0 + 0 + 18β2 ⇒ 18β2 = 0 ⇒ β2 = 0
Therefore, we obtain the optimal value of β2 as 0.
Now, we need to find the partial derivative of SSE with respect to β2. ∂SSE/∂β2 = 0 + 0 + 0 + 18β1 ⇒ 18β1 = 0 ⇒ β1 = 0
Therefore, we obtain the optimal value of β1 as 0. Hence, the partial derivative of SSE with respect to β1 is 18β2 and the partial derivative of SSE with respect to β2 is 18β1.
Thus, the optimal values of β1 and β2 are 0 and 0, respectively.
Therefore, the answers are: a. β₁ = 0 b. β₂ = 0
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In the coordinate plane, which of the following functions dilates by a factor of 3
about the point (9, 6)?
A. (, ) = (3 + 9, 3 +6)
B. (, ) = (3( + 9), 3( + 6))
C. (, ) = (9+ 3( − 9), 6 + 3( −6))
D. (, ) = (9+ 3(9− ), 6+ 3(6 − ))
katrina can arrange the chairs in the classroom in 5 minutes. one day peter helped her and took both of them 2 minutes to arrange the chairs. how long will it take peter to arrange the chairs all by himself?
The time taken by Peter to arrange the chairs all by himself is 10/3 minutes.
Given that :-
Katrina can arrange the chairs in the classroom in 5 minutes.
One day peter helped her and took both of them 2 minutes to arrange the chairs.
We have to find the time taken by Peter to arrange the chairs all by himself.
LCM (5,2) = 10
Let the total work of arranging the chairs is of 10 units.
We know that,
Efficiency of a person = Total Work/Time taken by person
Hence,
Efficiency of Katrina = 10/5 = 2 units
Efficiency of Katrina + Efficiency of Peter = 10/2 = 5 units
Hence,
Efficiency of Peter = 5 - 2 = 3 units
Hence, time taken by Peter to arrange the chairs all by himself = 10/3 minutes.
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if your target number of calories is 1,703 per day to lose weight, but you are consuming 2,399 calories per day, then your target is to consume what percent of the calories you are consuming? round to the nearest whole number.
If your target number of calories to lose weight is 1,703 per day, but you are consuming 2,399 calories per day, then your target is to consume approximately 70% of the calories you are currently consuming.
To find the percentage of the target calories in relation to the current calories, we can divide the target calories by the current calories and multiply by 100. So, the calculation would be:
Percentage = (Target Calories / Current Calories) * 100
Substituting the values, we get:
Percentage = (1,703 / 2,399) * 100 ≈ 70%
Therefore, your target is to consume approximately 70% of the calories you are currently consuming in order to meet your weight loss goal.
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