Step 1: Find some points on the exponential f(x). The more points we plot the better the graph will look.
Step 2: Switch the x and y values to obtain points on the inverse.
Step 3: Determine the asymptote.
Graph the following logarithmic functions. State the domain and range.
A logarithmic scale (or log scale) is a way of displaying numerical facts over a completely extensive range of values in a compact manner—typically the biggest numbers inside the data are loads or even lots of times large than the smallest numbers.
Logarithmic scales are useful for quantifying the relative alternate of a fee in place of its absolute distinction. moreover, because the logarithmic feature log(x) grows very slowly for huge x, logarithmic scales are used to compress massive-scale scientific statistics.
A logarithm is an exponent or power to which a base need to be raised to yield a given quantity. Expressed mathematically, x is the logarithm of n to the base b if bx = n, in which case one writes x = logo n. for example, 23 = 8; therefore, 3 is the logarithm of eight to base 2, or 3 = log2 eight.
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two linear function are shown. Which function has the greater initial value y=3*+2
A function which has the greater initial value include the following: linear function A.
What is y-intercept?In Mathematics, the y-intercept is sometimes referred to as an initial value and the y-intercept of any graph such as a linear function, generally occur at the point where the value of "x" is equal to zero (x = 0).
By critically observing the table of values for linear function A, we can reasonably and logically deduce that its y-intercept (initial value) is equal to 8 when the value of "x" is equal to zero (x = 0).
For linear function B, we would substitute the value of x with zero (0) as follows;
y = 3x + 2
y = 3(0) + 2
y = 0 + 2
y = 0.
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How do you multiply 3 mixed fractions?.
To multiply mixed numbers, first change them to improper fractions. Next, simplify, or reduce, the fractions by removing common factors. Then multiply the numerators, and multiply the denominators. Simplify, or reduce the answer if possible. Finally, if the answer is an improper fraction, you can change it back to a mixed number.
Now, According to the question:
A fraction represented with its quotient and remainder is a mixed fraction. For example, 2 1/3 is a mixed fraction, where 2 is the quotient, 1 is the remainder. So, a mixed fraction is a combination of a whole number and a proper fraction.
To multiply mixed numbers, first change them to improper fractions. Next, simplify, or reduce, the fractions by removing common factors. Then multiply the numerators, and multiply the denominators. Simplify, or reduce the answer if possible. Finally, if the answer is an improper fraction, you can change it back to a mixed number.
Here's an example of a multiplication problem with three mixed numbers:
[tex]3\frac{1}{3}[/tex] × [tex]5\frac{1}{4}[/tex] × [tex]1\frac{1}{2}[/tex]
= 10/3 × 21/4 × 3/2
By Simplification, we have:
=> 105/4
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Question content area top
Part 1
The owner of a small store buys coats for $55.00 each. Answer parts a and b.
Question content area bottom
Part 1
a. She sells the coats for $66.00 each. What percent of the purchase price is the sale price?
The sale price is 120120% of the purchase price.
Part 2
b. The owner increases the sale price by the same percent that you found in part a when she buys jackets for $45 and sells them. How many jackets must the owner buy for the total jacket sales to be at least $260? Explain your answer.
The owner must buy enter your response here jacket(s).
Part 1: The percentage of the purchase price to the sale price is 83.3%.
Part 2: The number of jackets the small store owner must sell to make $260 in total sales is 5.
What is the percentage?The percentage refers to the ratio of one value compared to another.
Percentages are computed as the quotients of a numerator divided by the denominator, multiplied by 100.
Purchase price of coats per unit = $55
Selling price per unit = $66
Markup = $11 ($66 - $55) or 20% ($11/$55 x 100)
Margin = 16.7% ($11/$66 x 100)
Percentage of the purchase price to the sales price = 83.3% ($55/$66 x 100) or (100 - 16.7)
b) Cost of jackets per unit = $45
Markup = 20%
Sale price per unit = $54 ($45 x 1.20)
The total expected jacket sales ≥ $260
The number of jackets to sell at $54 each = 5 ($260/54)
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How do you solve a 3 4 5 triangle?.
To solve the 3 4 5 triangle method to find the sides of the right-angle triangle we use the Pythagoras theory.
One type of triangle that has one right (90°) angle is a right triangle.
The Greek mathematician Pythagoras is credited with creating a mathematical formula for calculating the length of the third side of a right triangle given the lengths of the other two sides.
The triangle's right angle is formed by the sides of variables a and b. Either side may utilize either variable. The side that is left, or the side that leans away from the right angle, is represented by the variable c. The hypotenuse, or side c, is the longest side and is always present.
Thus, To solve the 3 4 5 triangle method to find the sides of the right-angle triangle we use the Pythagoras theory.
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What is multiplication and addition theorem explain with suitable examples?.
The multiplication theorem of probability is if and be two events associated with the sample space . Then, (∩) = ()⋅() and the addition theorem of probability is For two mutually exclusive events ,
(or ) = () + ().
According to the multiplication theorem of probability, the probability of both events and occurring is equal to the product of the probability of occurring and the conditional probability of event occurrence if event happens.
Let and are two events associated with the sample space . ∩ gives the simultaneous occurrence of two events and
We know that the conditional probability of the event given that has occurred is given by (∣) and is given by
(∣) = (∩)(), () ≠ 0
We can write the above equation as
(∩) = (∣)⋅()⋯()
Also, we can write
(∣) = (∩)(), () ≠ 0
(∩) = (∣)⋅()
Combining () and (), we can write
(∩) = (∣)⋅() = (∣)⋅(), where (),() ≠ 0
According to the addition theorem, if two events and , are mutually exclusive, the probability of either or occurring is the total of the individual probabilities of and .
Let event happen in ways, and event happen in ways. Then the total number of happening of events is , which is = +
Thus, the probability of events happening is given by (or ).
By the definition of probability,
() = / and () = /
Adding,
() + () = / + / = + / = / = 1
Therefore,
(or ) = () + ()
--The given question is incomplete; the complete question is
"What is the multiplication and addition theorem of probability? Explain with suitable examples."--
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The grocery store has 1 1/4 times as many cashiers in late afternoon than in the morning. If there are 20 cashiers at 10:00 am, how many would there be at 4:00 pm?
Answer:
25 cashiers
Step-by-step explanation:
To solve this, you can multiply the number of cashiers at 10:00 am (20) by 1 1/4, which is the same as multiplying by 5/4.
20 x 5/4 = 25
So, there are 25 cashiers at 4:00 pm.
You can confirm this by dividing 25 by 5/4 to see if it equals 20:
25 * 4/5 = 20
Therefore, there are 25 cashiers at 4:00 pm.
Which answer best describes the quadratic formula?
Group of answer choices
A formula that can determine the sides of a right triangle
A formula that can solve quadratic equations in standard form
A formula that can solve linear equations
A formula that can solve quadratic equations in vertex form
Flag this Question
Question 21 pts
Select each quadratic expression that is in standard form.
Group of answer choices
LaTeX: 4x^2+8x-2x+104 x 2 + 8 x − 2 x + 10
LaTeX: -3x^2+5x-9− 3 x 2 + 5 x − 9
LaTeX: 5x^2-3+2x5 x 2 − 3 + 2 x
LaTeX: \frac{3}{5}x^2-6x+100000003 5 x 2 − 6 x + 10000000
The quadratic formula is an algebraic formula that provides the solutions to a quadratic equation. A quadratic equation is an equation of the shape ax^2 + bx + c = 0, where a, b, and c are constants.
The quadratic formula gives the values of x that satisfy the equation and is expressed as:
x = (-b ± √ (b^2 - 4ac)) / (2a)
In other words, the quadratic formula provides a method for finding the two roots of a quadratic equation, even if the equation cannot be solved by factoring or other methods.
The formula works for all quadratic equations and is a widely used tool in mathematics and various scientific and engineering fields.
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Adam has a points card for a movie theater.
• He receives 60 rewards points just for signing up.
• He earns 12.5 points for each visit to the movie theater.
•He needs at least 160 points for a free movie ticket.
Answer:
60+12.5x=160
12.5x=100
x=8
Step-by-step explanation:
Below are three side lengths. Classify the triangle as acute, right, or obtuse, if possible. (Recall, that the sum of the two smaller sides must be greater than the third side to form a triangle). 20, 21, 29
Answer: Right Triangle
Step-by-step explanation: You can use the Pythagorean Theorem. a^2+b^2=c^2
You test if the equation is true. 21^2 x 20^2 = 29^2 which is 841 = 841
PLSSSHELP ASAP Determine which integers in the set S:{−40, −10, 20, 40} will make the inequality one fifth times the difference of m and five is less than or equal to one tenth times the difference of m and twenty false.
S:{−40, −10}
S:{−10, 20}
S:{20, 40}
S:{−40, 40}
Answer:
C) S: {20, 40}
Step-by-step explanation:
Given inequality:
[tex]\dfrac{1}{5}(m-5)\leq \dfrac{1}{10}(m-20)[/tex]
To solve the inequality, multiply both sides by 10:
[tex]\implies \dfrac{10}{5}(m-5)\leq \dfrac{10}{10}(m-20)[/tex]
[tex]\implies2(m-5)\leq m-20[/tex]
Expand the left side:
[tex]\implies 2m-10 \leq m-20[/tex]
Subtract m from both sides:
[tex]\implies m-10 \leq -20[/tex]
Add 10 to both sides:
[tex]\implies m \leq -10[/tex]
Therefore, the true solution set to the given inequality are values of m that are less than or equal to -10.
Therefore, the integers in the given set that make the inequality false are the values of m that are greater than -10:
S: {20, 40}Please help with this math problem!! Will give brainliest!! :)
Answer:
Step-by-step explanation:
What is co-prime Class 10?.
A set of numbers is co-prime numbers if and only if these have only one common factor i.e., one.
Co-Prime Numbers are a set of numbers where the common factor between them is 1. This means that the HCF or highest common factor should be 1 for these numbers. Co-prime numbers are also referred to as "relatively prime numbers". This means that if we consider x and y to be the set of co-primes, then the only common factor between the two numbers is 1. The properties of co-primes are :
Every prime number is co-prime to each other.Any two consecutive numbers are always Co-prime.Consider a set of two numbers : 16 and 15 The factors of 16 are 1, 2, 8 and 16. The factors of 15 are 1, 3, 5 and 15. The common factor of 16 and 15 is only 1. So 16 and 15 are Co-prime numbers.
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Complete question:
What are co-prime numbers?.
what is the circumfrence of this circle r = 2 km
Answer:12.57
Step-by-step explanation:
Given that radius of the circle= 2km
as we know the formula of circumference of the circle as
Circumference of the circle= 2* pi * radius
circumference of the circle = 2*pi*2
= 2* 22/7*2
=88/7
=12.57
What is called equivalence?.
Equivalence is a relationship that exists between two statements such that if the two statements are both true or both false, then the affirmation of one and the negation of the other contradicts itself.
Equivalent generally refers to two numbers, terms, or expressions that have the same value. There are many ways to express equivalent quantities. It can be represented by bars or equal signs. "Equivalence" relies on a specific relationship called an equivalence relationship. Any two elements are said to be equivalent if there is an equivalence relation between them. Also, in mathematics, equality is different from equivalent. The same means the same in all respects, and equivalent means similar but not identical. For example, 2 is said to be equal to 2, but it is equivalent to 1 + 1.
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The required coordinates of point Q are (-46/13, 50/13) lie on line PR.
What is a line?A line is a straight curve connecting two points or more showing the shortest distance between the initial and final points.
Here,
Let the coordinate of Q be (x, y)
Given PR with P(-6, -6) and R(-2, 10), it is on PR such that the ratio of PO to PR is 5:8,
Apply the Section formula.
x = mx₂ + nx₁ / m + n ; y = my₂ + ny₁ / m + n
m = 5 and n = 8
Put the values in the section formula along with points.
x = 5 × -6 + 8×-2 / 5 + 8 ; y = -6×5 + 8 × 10 / 8 + 5
x = -46/13 ; y = 50/13
Thus, the required coordinates of point Q is (-46/13, 50/13) lie on line PR.
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How can we find log 7?.
The logarithm of a number with respect to a base is the exponent to which the base must be raised to produce that number. In other words, log_b(x) = y means b^y = x.
To find log_7(x), we can use the change of base formula which is log_b(x) = log_c(x) / log_c(b).
So you can use the logarithm of base 10 (common logarithm) or base e (natural logarithm) and use the above formula to find log7
So for example, log7(49) = log10(49) / log10(7) or log7(49) = ln(49) / ln(7)
You can use a calculator or a logarithm table to find the result.
--The question is incomplete, answering to the question below--
"How can we find log₇(x)?"
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What are the rules for plotting a graph?.
There are various rules for plotting a graph which includes having scale over X and Y axis.
The options for vertical bar charts are shown below. For horizontal bar charts, swap out "vertical" for "horizontal" and "horizontal" for "vertical."
1. A title ought to be at the top of the graph.
2. The vertical axis' scale has to be consistent and set to 0.
3. Utilise horizontal gridlines.
4. Each bar's definition ought to be listed on its label.
5. The label for the horizontal axis should include a description of the qualitative variable that the bar chart represents. In the event if the labels on each individual bar are sufficiently illustrative, a horizontal axis label is not required.
6. It should say "Count" or "Frequency" on the vertical axis.
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40 women can do a piece of work in 60 days working 9 hours a day.how many more women should be added in order to do the same work in 48 days working 10 hours a day
Answer:
To complete the same work in 48 days working 10 hours a day, 40 additional women must be added. This is calculated by multiplying the number of days (60) by the number of hours worked per day (9) and dividing it by the number of days required (48) multiplied by the number of hours worked per day (10). This gives a total of 80 women.
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P.t 2 to Cho’s logo
Please help!!
the height of the stamp is 2/5in.
What is a fraction?
If the numerator is bigger, it is referred to as an improper fraction and can also be expressed as a mixed number, which is a whole-number quotient with a proper-fraction remainder.
Any fraction can be expressed in decimal form by dividing it by its denominator. One or more digits may continue to repeat indefinitely or the result may come to a stop at some point.
Given that stamp of Height is 3in with 4 1/2 in width.
So 9/2 of width = 3 Height
1 of width = 3/(9/2) Height
So for 3/5 in wide = 3/5* 3/(9/2) = 2/5in
Hence the height of the stamp is 2/5in.
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(c) On average, how fast is the liquid cooling in the first half-hour, in degrees per minute? On average, how fast is it cooling in the second half-hour, in degrees per minute? Round both answers to the nearest hundredth
The evaluation of the average rate of change of the function for the cooling rate of the liquid can be presented as follows;
(c) The rate at which the liquid is cooling in the first half-hour is about 4.15 °F/min
The cooling rate in the second half-hour is about 0.11 °F/min
What is the average rate of change of a function?The average rate of change of a function f(x) between the values, x = a, and x = b, can be found as follows;
Average rate of change = [tex]\frac{f(b) - f(a)}{b - a}[/tex]
(c) The function for the temperature obtained from a similar question posted online is presented as follows;
[tex]T(m) = 128\cdot e^{-0.12\cdot m}+ 74[/tex]
The time duration of the cooling in minutes = m
Therefore, the initial temperature is the temperature at 0 minutes, which indicates that we get;
m = 0, [tex]T(0) = 128\cdot e^{-0.12\times 0}+ 74[/tex] = 202
The initial temperature of the liquid is 202 °FThe temperature of the liquid after 30 minutes, can be found as follows;
[tex]T(30) = 128\cdot e^{-0.12\times 30}+ 74[/tex] ≈ 77.50
The temperature after 30 minutes is about 77.50 °FThe rate at which the liquid is cooling on average in the first half hour therefore, is; Cooling rate = (202 - 77.50)/(30) = 4.15
The liquid cools at a rate of 4.15°F/min in the first half hourThe average cooling rate in the second half hour is found as follows;
After the second half hour, the duration of cooling = 60 minutes
Therefore, we get;
[tex]T(60) = 128\cdot e^{-0.12\times 60}+ 74[/tex] ≈ 74.1
The average cooling rate in the second half-hour is therefore;
(77.50 - 74.1)/(60 -30) ≈ 0.11
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An airplane is 45 miles from the end of the runway, AB, and 9 miles high, AC, when it approaches the airport. What is the distance from the airplane to the end of the runway?
The distance from the airplane to the end of the runway will be 45.89 miles.
What is a Pythagoras theorem?The Pythagoras theorem states that the sum of two squares equals the squared of the longest side.
The Pythagoras theorem formula is given as
H² = P² + B²
An airplane is 45 miles from the end of the runway, AB, and 9 miles high, AC, when it approaches the airport. Then the triangle ABC is a right-angle triangle. Then we have
AC² = AB² + BC²
AC² = 45² + 9²
AC² = 2025 + 81
AC² = 2106
AC = 45.89 miles
The distance from the airplane to the end of the runway will be 45.89 miles.
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Why does a chemical equation have to follow the law of conservation of mass?
The reason why a chemical equation have to follow the law of conservation of mass is that the mass of the products and the mass of the reactants must be equal.
What is the relationship between chemical equation and law of conservation of mass?Antoine Lavoisier discovered in 1789 that mass is neither created nor destroyed in chemical reactions, which led to the formulation of the Law of Conservation of Mass. To put it another way, the mass of any one element at the start of a reaction will be equal to that element's mass at the end of the reaction. . When the total mass of atoms on both sides of a chemical reaction is equal, the reaction is said to be balanced.
According to the rule of conservation of mass, mass is neither generated nor destroyed during a chemical process. The carbon atom in coal, for instance
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A chef bought 1.48 kilograms of almonds and 8.74 kilograms of pecans. How many kilograms of nuts did the chef buy in all?
I need help!!
Answer:
10.22 kilograms
Step-by-step explanation:
you do 1.48+8.74=10.22
The chef bought 10.22 kilograms of nuts in total.
To find the total amount of nuts the chef bought, we add the number of almonds to the number of pecans:
1.48 kg + 8.74 kg = 10.22 kg
So the chef bought 10.22 kilograms of nuts in total.
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STUV is a parallelogram. Solve for SV:
S
SV =
19
T
4x - 1
2x + 3
U
Answer:
SV = 13
Step-by-step explanation:
• the opposite sides of a parallelogram are congruent , so
UV = ST , that is
4x - 1 = 19 ( add 1 to both sides )
4x = 20 ( divide both sides by 4 )
x = 5
Then
TU = 2x + 3 = 2(5) + 3 = 10 + 3 = 13
SV = TU = 13
What is the value of x Power 0 if x 0?.
Answer: 1
Step-by-step explanation:
Isabella invested a certain amount of money at an
interest rate of 8%. At the end of the year, she had
$2592.
How much did she invest to start?
Use a formula to find the surface area of the square pyramid?(H.6ft.)(W.3ft.)(L.3ft.)
A. 45 ft
B. 81 ft
C. 36 ft
D. 72 ft
The surface area of the square pyramid is 45.
What is the formula for square pyramids?A square pyramid in geometry is a pyramid with a square base. It is a right square pyramid with C4v symmetry if the apex is perpendicular to and above the square's centre. It is an equilateral square pyramid, the Johnson solid J1, if all edge lengths are equal.The term "square pyramid" refers to a three-dimensional geometric form with a square base and four triangular faces or sides that meet at a single point (known as the vertex). Because it has five faces, it is referred to as a pentahedron.These are the Square Pyramid formulas: Square Pyramid Base Area = b. A square pyramid's surface area is equal to 2 b s + b. A square pyramid's volume is equal to frac (1/3) b2 h.Given data :
H = 6ft.)
W = 3ft
L = 3ft.
2 × b × s +b. Volume of a Square Pyramid
= 45ft
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What are the factors of 9x2 24x 16 *?.
Answer:81, 384
Step-by-step explanation:
9x2 is 18
you can count 9+9 which would be the same as 9*2. 24x16 is 384.
What is the factored form of the following expression 9x² 30x 25?.
Yes, the trinomial 9z 30z + 25 is a perfect square. The square of the binomial equation can be used to construct a perfect square trinomial statement.
A trinomial of the form + bz + c is said to be a perfect square if and only if it satisfies the condition b = 4ac.In a perfect square trinomial, two of your words will be perfect squares. If two perfect square terms are absent, the trinomial is not a perfect square trinomial.
It is now necessary to calculate the square roots of each perfect square word, add the two square roots, and multiply the result by two. The square of this trinomial is perfect. Because both 922 = (3ae)° and 25 = 52 are perfect squares, the only thing left to decide is if the middle term matches when you square (3x-5).In order to at least produce a negative coefficient for the middle phrase, the minus sign was utilised.
Complete question:
What does the following equation, 9x2 30x 25, look like factored? . Is the trinomial 9x2 30x25 a perfect square?
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If
FH
and
IK
are parallel lines and mIJG = 125°, what is mKJG?
°
Applying the linear pair theorem, the measure of angle KJG is: 55°.
What is the Linear Pair Theorem?According to the linear pair theorem, if two angles lie on a straight line, they form a pair of angles whose sum is equal to 180 degrees.
In the image attached below, angles IJG and KLG are both angles on a straight line, and ate therefore equal to 180 degrees when added.
This:
Measure of angle IJG = 125°
m<KLG = 180 - m<IJG
m<KLG = 180 - 125
m<KLG = 55°
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