Answer:
D=5=14 I hope this helps
Step-by-step explanation:
writw a rule for the sequence. then, find the unknown term.
4 1/2, 3 7/8, 3 1/4, 2
The rule for the arithmetic sequence in this problem is defined as follows:
[tex]a_n = 4.5 - 0.625(n - 1)[/tex]
What is an arithmetic sequence?An arithmetic sequence is a sequence of values in which the difference between consecutive terms is constant and is called common difference d.
The general rule of an arithmetic sequence is given as follows:
[tex]a_n = a_1 + (n - 1)d[/tex]
The common ratio for the sequence is given as follows:
d = 3.25 - 3.875 = 3.875 - 4.5 = -0.625.
The first term of the sequence is given as follows:
[tex]a_1 = 4.5[/tex]
Hence the rule is defined as follows:
[tex]a_n = 4.5 - 0.625(n - 1)[/tex]
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factorise this : 9x^2-4y^2
Answer:
(3x + 2y) (3x - 2y)
Step-by-step explanation:
a² - b² = (a + b) (a - b)
where a = 3x and b = 2y
29 is 0.40% of what number?
is really "x", which oddly enough is the 100%, but we also know that 0.40% of "x" is 29, so
[tex]\begin{array}{ccll} amount&\%\\ \cline{1-2} x & 100\\ 29& 0.40 \end{array} \implies \cfrac{x}{29}~~=~~\cfrac{100}{0.40}\implies \cfrac{x}{29}=\cfrac{100}{~~ \frac{ 40}{100 } ~~}\implies \cfrac{x}{29}=\cfrac{10000}{40} \\\\\\ \cfrac{x}{29}=250\implies x=7250[/tex]
Find f’(x) for f(x)=4x^3-5x^2+7x-1
How to determine if two verticals are similar
The endpoints of an edge are its end-vertices. When two vertices are endpoints of the same edge, they are said to be neighbouring.
How can the similarity between two graph vertices be determined?The limit of the normalised even iterations of a linear transformation can be used to obtain the similarity matrix. The square matrix in the particular case when G A=G B=G contains the similarity score between the vertices I and j of G as its I j)-th element.
What is the point where two sides meet in common?The combination of two rays with the same terminal is called an angle. The vertex of the angle is the common terminal of the rays, which are referred to as the sides of the angle.
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a garden table and a bench cost $1000 combined. The cost of the garden table is three times the cost of the bench. What is the cost of the bench?
Answer:
The cost is 250
Step-by-step explanation:
Let's call the cost of the bench "x". The cost of the garden table is then 3x. The combined cost of the two items is $1000, so we can set up the following equation:
x + 3x = 1000
Combining like terms, we have:
4x = 1000
Dividing both sides by 4, we find:
x = 250
So the cost of the bench is $250.
If angle 2=125 degrees, angle 12=37 degrees, and angle 18=102 degrees, find the rest of the angles
The requried measure of the angle ∠2 = ∠5 = ∠15 = 125, ∠11 = 88, ∠3 = ∠9 = ∠13 = 102°, ∠4 = ∠14 = 78°, ∠7 = 37, ∠8 = 41, ∠1 = ∠6 = ∠10 = 16 = 55°.
What is the angle?Orientation of the one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as the angle.
here,
from figure,
∠2 = ∠5 = ∠11 + ∠12 = ∠15 = 125
From the above expression,
∠2 = ∠11 + 37°
125 - 37 = ∠11
∠11 = 88°
Similarly.
∠3 = ∠9 = ∠13 = ∠18 = 102°
∠4 = ∠7+∠8 = ∠14 = ∠17= 78°
∠1 = ∠6 = ∠10 = 16 = 55°
Thus, the requried measure of the angle ∠2 = ∠5 = ∠15 = 125, ∠11 = 88, ∠3 = ∠9 = ∠13 = 102°, ∠4 = ∠14 = 78°, ∠7 = 37, ∠8 = 41, ∠1 = ∠6 = ∠10 = 16 = 55°.
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The table and equation below show the proportional relationship between time, in seconds, x, and distance traveled, in feet, y, for two drones.
drone 1
y = 6x
drone 2
x y
8 24
10 30
13 39
A drone 1 is traveling faster than drone 2
B drone 1 is traveling slower than drone 1.
c. the two drones are traveling at the same speed.
D. the speed cannot be compared because there is not enough imformation about drone 1
Drone 1 is traveling faster than Drone 2.
What is Proportional?Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.
Given that;
The table and equation below show the proportional relationship between time, in seconds, x, and distance traveled, in feet, y, for two drones.
For drone 1;
The equation is,
⇒ y = 6x
For drone 2;
x = 8, 10, 13
y = 24, 30, 39
Now, For drone 1;
The distance in 8 seconds is,
⇒ y = 6x
⇒ y = 6 × 8
⇒ y = 48
The distance in 10 seconds is,
⇒ y = 6x
⇒ y = 6 × 10
⇒ y = 60
Thus, Drone 1 is traveling faster than Drone 2.
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In art class students are mixing black and white paint to make gray paint. Allison mixes 1 cup of black paint and 2 cups of white paint. Alexander mixes 6 cups of black paint and 11 cups of white paint. Use Allison and Alexander’s percent of white paint to determine whose gray paint will be lighter. pls help
Alexander's white paint will be more lighter.
What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.
Given is that in art class students are mixing black and white paint to make gray paint. Allison mixes 1 cup of black paint and 2 cups of white paint. Alexander mixes 6 cups of black paint and 11 cups of white paint.
We will compare the percent of white paint in a mixture.
We can write -
For Allisions mixture = n{1} = (2/3) x 100 = 66.67%For Alexanders mixture = n{2} = (11/17) x 100 = 64.71%n{2} < n{1}Therefore, Alexander's white paint will be more lighter.
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As shown above, a classic deck of cards is made up of 52 cards. Suppose one card is selected at random and
calculate the following probabilities.
Round solutions to three decimal places, if necessary.
The probability that a 3 or a Heart is selected is
The probability that a face card or Club is selected is
The probability that the selected card is both a face card and a Heart is
Step-by-step explanation:
a probability is always the ratio
desired cases / totally possible cases
when pulling one card out of 52 cards, the totally possible cases for the result are 52.
now, all we need to do is "counting" or calculating the desired cases for each problem.
a 3 or a heart is pulled.
it is important to really read this carefully : 3 OR a heart. not 3 and a heart (that would ask for the probability to pull the 3 of hearts card, as no other card would satisfy the criteria).
we have 13 cards of heart.
and we have 4 cards of the value 3. but one of them is already included in the 13 cards of heart.
so, we need to add only 3 to these 13 and get 16 desired cards.
the probability is therefore
16/52 = 4/13 = 0.307692308... ≈ 0.308
a face card OR a club is pulled.
face cards are Jack, Queen and King (the ones with faces on the cards). so, 3 per suit, 4 suits = 12 cards.
we have 13 cards of club.
3 of these cards are already in the group of face cards, so we need to add only 10 to to this group for the desired cases. and the probability is
22/52 = 11/26 = 0.423076923... ≈ 0.423
a face card AND a heart is pulled.
we have 13 cards of heart.
and now it is AND to be a face card (not OR like in the previous question).
there are only 3 face cards of heart. the probability is
3/52 = 0.057692308... ≈ 0.058
G = {x|x ∈ N and x is a negative}
The cardinal number of G = 0 for the given set G = {x|x ∈ N and x is a negative}.
What is a set?A set is defined as a group of objects in mathematics. Set names and symbols begin with a capital letter. According to set theory, a set's constituent parts can be included in anything.
The set is given in the question, as follows:
G = {x|x ∈ N and x is a negative}
We have to determine the cardinal number of set G = {x|x ∈ N and x is a negative}
Cardinal numbers, also known as Cardinals of a Set, are the numbers used to count the number of elements in a Set.
Simply expressed, the cardinal number of a set equals the number of items in a set.
Let A = {a, b, c, d} be a set then Cardinal number of A is 4
Given G = {x|x ∈ N and x is a negative}
Here, x belongs to N, and a negative number
Since Natural Number (N) = 1, 2, 3, 4 ...
There is no negative value that corresponds to N.
Thus, G = { } or G is an empty set.
Hence, the cardinal number of G = 0
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The question seems incomplete, the complete question would be as:
Find the cardinal number of set G = {x|x ∈ N and x is a negative}
g(x) = 9+ 4x
h(x) =x + 21/5
Write (hog)(x) as an expression in terms of x.
(hog)(x) =
The expression for (h·g)(x) is 4x²+17.8x+19.8.
What is the function?Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.
The given functions are g(x)=9+4x and h(x)=x+ [tex]2\frac{1}{5}[/tex].
Now, (h·g)(x)=h(x)×g(x)
= (x+ [tex]2\frac{1}{5}[/tex])×(9+4x)
= (x+11/5)×(9+4x)
= 9x+99/5+4x²+44x/5
= 9x+19.8+4x²+8.8x
= 4x²+17.8x+19.8
Therefore, the expression for (h·g)(x) is 4x²+17.8x+19.8.
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y= -3x+7 = what number is for solving y?
Answer:
y=-3x+7
its the same thing
Step-by-step explanation:
ASAP!!
Sarah borrowed $29.96 from her uncle and promised to work in his store at $2.60 per hour until the dept was paid. She worked 6 hours on Saturday, 1 3/4 hours on Monday and 1 1/2 hours on Tuesday. How much more money does she still owe to her uncle?
Answer: $5.91
Step-by-step explanation:
Total borrowed = $29.96
Amount earned on Saturday
6 hours x $2.60 = $15.60
Amount earned on Monday
1 3/4 is the same as 1.75
1.75 hours X $2.60 = $4.55
Amount earned on Tuesday
1 1/2 is the same as 1.50
1.50 hours x $2.60 = $3.90
Total amount earned from Saturday, Monday, and Tuesday
$15.60 + $4.55 + $3.90 = $24.05
Amount Sarah owes her uncle
$29.96 borrowed
$24.05 earned
$29.96 - $24.05 = $5.91
Sarah owes $5.91.
Find the volume of the solid that results when the region bounded by y=√x , y=0, and x=16 is revolved about the line x=16.
With help of integration, The volume of the solid that results when the region bounded by y=√x , y=0, and x=16 is revolved about the line x=16 will be 42.66 cubic unit.
What exactly is integration?
The process of computing an integral is known as integration. Mathematicians utilise integrals to compute a variety of useful quantities such as areas, volumes, displacement, and so on. When we talk about integrals, we usually imply definite integrals. Antiderivatives are represented by indefinite integrals. Integration, along with differentiation, is one of the two major calculus concepts in mathematics (which measure the rate of change of any function with respect to its variables).
Integral Fundamental
A definite integral is one that has both upper and lower bounds. For X to lie, only a true line may be utilised. The Definite Integral is also known as a Riemann Integral.
From a to b, use ∫f(x)dx
indefinite integral
Integrals are defined without upper and lower limits. It looks like this:
A indefinite Integral is written as:
∫f(x)dx = F(x) + C
Where C might be any constant and the function f(x) is referred to as the integrand.
Now,
for volume of the solid that results when the region bounded by y=√x , y=0, and x=16 is revolved about the line x=16.
volume= ∫√x dx for x=0 to 16
=x*√x/3/2
=64*2/3
=128/3
=42.66 cubic unit
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How does a domain restriction placed on a non-invertible function affect its inverse?
Drag a function or an interval into each box to correctly complete the statement.
When the domain of the non-invertible function f(x)=(x+5)2−8 is [−5,∞), the inverse of the function is Response area, and the domain of the inverse function is Response area.
Answer: When the domain of the non-invertible function f(x)=(x+5)^2−8 is [−5,∞), the inverse of the function is not defined, and the domain of the inverse function is empty.
Step-by-step explanation:
Classify each function as a power function, root function, polynomial (state its degree), rational function, algebraic function, trigonometric function, exponential function, or logarithmic function.
(a) y=Ï€x
(b) y=xπ
(c) y=x2(2−x3)
(d) y=tant−cost
(e) y=s1+s
(f) y=x3−1√1+x√3
(a) f(x) = [tex]log_2(x)[/tex] is a logarithmic function
(b) g(x) = ∜x is a root function
(c) h(x) = [tex]2x^3/(1 - x^2)[/tex] is a rational function
(d) u(t) = 1 - 1.1t + [tex]2.54t^2[/tex] is a polynomial of degree 2
(e) v(t) = [tex]5^t[/tex]is an exponential function
(f) w(θ) = sin θ [tex]cos^{2}\theta[/tex] is a trigonometric function.
(a) f(x) = [tex]log_2(x)[/tex] is a logarithmic function. Logarithmic functions have the logarithm of the independent variable as the output. Here, the logarithm base is 2.
(b) g(x) = ∜x is a root function. Root functions have the square root or higher roots of the independent variable as the output. Here, the root is a cube root.
(c) h(x) = [tex]2x^3/(1 - x^2)[/tex] is a rational function. Rational functions are functions that are expressed as the quotient of two polynomials. Here, the numerator is a cubic polynomial and the denominator is a quadratic polynomial.
(d) u(t) = 1 - 1.1t + [tex]2.54t^2[/tex] is a polynomial of degree 2. Polynomials are functions that are expressed as a sum of powers of the independent variable, with coefficients. The degree of a polynomial is the highest power of the independent variable.
(e) v(t) = [tex]5^t[/tex] is an exponential function. Exponential functions have the independent variable as the exponent. Here, the base is 5.
(f) w(θ) = sin θ [tex]cos^{2}\theta[/tex] is an algebraic function and a trigonometric function. Algebraic functions are functions that can be expressed using arithmetic operations and algebraic expressions. Trigonometric functions are functions that involve the ratios of the sides of a right triangle. Here, the function is a combination of sine and cosine functions.
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The complete question is -
Classify each function as a power function, root function, polynomial (state its degree), rational function, algebraic function, trigonometric function, exponential function, or logarithmic function.
(a) f(x) = [tex]log_2(x)[/tex]
(b) g(x) = ∜x
(c) h(x) = [tex]2x^3/(1 - x^2)[/tex]
(d) u(t) = 1 - 1.1t + [tex]2.54t^2[/tex]
(e) v(t) = [tex]5^t[/tex]
(f) w(θ) = sin θ [tex]cos^{2}\theta[/tex]
write a function C(t) to represent the cost of a taxicab ride. where the chance includes a fee of 2.50 plus $0.50 for each tenth of a mile t, Then give the slope and y-intercept of the graph of the function. answer
Answer:
C(t) = 0.50 * t + 2.50
Step-by-step explanation:
The function C(t) to represent the cost of a taxicab ride can be written as:
C(t) = 2.50 + 0.50 * t
where t is the distance traveled in tenths of a mile.
The slope of the graph of this function is 0.50, which represents the cost per tenth of a mile.
The y-intercept of the graph of this function is 2.50, which represents the fixed fee that must be paid regardless of the distance traveled.
So, the equation of the graph of this function is:
C(t) = 0.50 * t + 2.50
Someone walk me through this, please.
The final value of the investment is $689.10. Fill the table accordingly.
How to determine the final value of the investment?Compound interest is the interest on a loan or deposit calculated based on both the initial principal and the accumulated interest from previous periods.
First year
Interest earned = 9/100 * $580 = $52.20
Second year
Balance + Interest = $580 + $52.20
Total balance = $632.20 (Note: Total balance = Balance + Interest )
Interest earned = 9/100 * $632.20 = $56.90
Third year
Balance + Interest = $632.20 + $56.90
Total balance = $689.10
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Three girls Share an amount of money. The eldest get b/3c of the total amount while the youngest gets gets b/6c of the total, what fraction does the third girl gets?
The fraction does the third girl gets is 3c - b/3c
What is fraction?A fraction can be defined as the part of a whole number or element.
The different types of fraction are;
Proper fractionsImproper fractionsComplex fractionsSimple fractionsMixed fractionsFrom the information given, we have that;
3 girls shares an amount of money
The eldest = b/3x
The youngest = b/6c
This is represented as;
1 - b/3c + b/6c
Add the fractions
1 - 2b - b /6c
add the values
1 - 3b/6c
1 - b/3c
3c - b/3c
Hence, the expression is 3c - b/3c
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Raul is choosing from two plans at his gym. He can either pay a set price
for each visit, or he can buy a membership, which would have a lower
price per visit in addition to a membership fee. Which model could be
used to determine which plan would be less expensive based on the
number of visits he makes?
PLEASE HELP THIS IS DUE TODAY I WILL GIVE THE BRAINLIEST IF IT IS CORRECT IF IT IS SPAM I WILL REPORT YOU AND BAN YOU IMMEDIATELY!
From the two plans for a set price the second graph in this issue is the right one.
A linear function is what?The following is the definition of a linear function's slope and intercept:
y = mx + b.
where:
The rate of change is represented by the slope m.
The starting quantity is represented by the intercept b.
We have it for the plan with the fixed price:
Compared to the other plan, the slope is higher.
There is no intercept.
As a result, it is less expensive for fewer trips.
We have the following for the plan with the set price plus the fee:
Compared to the other plan, the slope is smaller.
There is an intercept that exceeds zero.
As a result, paying for more visits results in lower expenditures.
Hence, the second graph in this issue is the right one.
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A new mixture of self - tanning & moisturizing lotions for everyday use is being developed . This mixture is made by mixing 700 ounces of everyday moisturizing lotion for $0.70 per ounce with self - tanning lotion worth $2 per ounce. If the new self - tanning & moisturizing lotion mixture is to cost $ 1.30 per ounce, how many ounces of the self-tanning lotion should be in the mixture?
The mixture should have ( ) ounces of the self - tanning lotion.
Possible codes for "how do you deal with bullies"
Answer:
Step-by-step explanation:
I am not sure what you mean with that question but a short definition of bullying is:
Bullying can result in physical injury, social and emotional distress, self-harm, and even death. It also increases the risk for depression, anxiety, sleep difficulties, lower academic achievement, and dropping out of school.
I need help with these questions ?!
Answer:
Step-by-step explanation:
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Answer:
The first one is 3/5 & The second one is 3/8 & The the third one is 1/8
Step-by-step explanation:
Hope this helps :)
The population of deer is growing in a given region, and has a carrying capacity of 2500. If at the initial point of
observation (t = 0), there were 400, and 700 four years later, give the logistic model for the population P, and find the
number of deer after 10 years.
The logistic model for the population P is P = 75x = 400.
The number of deer population after 10 years is 1150.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
We have,
Deer:
Population capacity = 2500
Initial population = 400
Population after 4 years = 700
Now,
We can make two ordered pairs:
(0, 400) and (4, 700)
Now,
We can write an equation as,
P = mx + c
m = (700 - 400) / (4 - 0) = 300/4 = 75
And,
(0, 400) = (x, y)
400 = 75 x 0 + c
c = 400
So,
P = 75x + 400
This is the equation for the number of deers after x years.
Now,
The number of deers after 10 years.
x = 10
P = 75 x 10 + 400
P = 750 + 400
P = 1150
Thus,
The number of deer after 10 years is 1150.
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Try adding up the first few odd numbers and see if the numbers you get satisfy some sort of pattern. Once you find the pattern, express it as a formula. Give a geometric verification that your formula is correct.
The required sum of the first n odd numbers is equal to n².
How we take numbers to make pattern?The first few odd numbers are 1, 3, 5, 7, 9, 11, and so on. When we add up the first few of these numbers, we get the following sums:
1 = 1
1 + 3 = 4
1 + 3 + 5 = 9
1 + 3 + 5 + 7 = 16
1 + 3 + 5 + 7 + 9 = 25
We can see that the nth odd number is equal to 2n - 1. And the sum of the first n odd numbers is equal to n². This can be verified geometrically by considering a square with sides of length n.
The sum of the first n odd numbers can be thought of as the sum of the diagonal elements of the square, which forms a square of length n.
Thus, the sum of the first n odd numbers is equal to n².
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The scale of the map is missing. The actual distance from Granada Hills to Malibu is 54 miles, and it is 9 inches on the map. What is the scale of the map?
The transpose of a product of matrices equals the product of their transposes in the same order. Choose the correct answer below: A.The statement is true. Matrix multiplication is not commutative so the product of the transposes must be applied in the same order as the initial product. B.The statement is true The product of the transposes can be applied in any order. C.The statement is false, The transpose of product of matrices equals the sum of the transposes of the matrices. D.The statement is false. The transpose of a product of matrices equals the product of their transposes in the reverse order
The statement is true. Matrix multiplication is not commutative, so the product of the transposes of the matrices must be applied in the same order as the initial product, not in a reverse order.
The statement that the transpose of a product of matrices equals the product of their transposes in the same order is true. Matrix multiplication is not commutative, which means that the order in which the matrices are multiplied matters. That is, for two matrices A and B, AB does not necessarily equal BA. Thus, when taking the transpose of a product of matrices, the order in which the transposes of the matrices are multiplied must be the same as the order in which the original matrices were multiplied. Otherwise, the result will not be the same. For example, if two matrices A and B are multiplied to give AB, the transpose of AB will be (AB)^T = B^T A^T, not A^T B^T. This is why the product of the transposes must be applied in the same order as the initial product.
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Lacey pays $15 for each hour of golf lessons and $10 for equipment rental. If the lesson is more than 3 hours long, she only pays $5 for equipment rental. Is the total cost of Lacey’s lesson a function of the number of hours scheduled? Use a table to help explain your answer. Show your work.
Answer:
60
Step-by-step explanation:
15x3=45
5x3=15
15+45=60
Question 19). TPRS is a parallelogram. Identify m∠R.
Solve what is in the attatchment!!
the measurement of the ∠R will be 101 degrees.
What is a parallelogram?A quadrilateral with the opposing sides parallel is called a parallelogram (and therefore opposite angles equal). A parallelogram with all right angles is known as a rectangle, while a quadrilateral with equal sides is known as a rhombus.
Given TPRS is a parallelogram. in that ∠T = (4x +1) and ∠S = (3x +4)°
Since in a parallelogram, opposite angles are equal Thus,
∠P = ∠S = 3x + 4
∠R = ∠T = 4x +1
Since we know the sum of all angles of a quadrilateral is 360°
3x +4 + 4x +1 + 3x +4 + 4x +1 = 360
14x + 10 = 360
14x = 350
x = 350/14
x = 25
Thus,
∠R = 4x +1
∠R = 4 *25 + 1
∠R = 101°
therefore, the measurement of the ∠R will be 101 degrees.
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