Answer:
The answer is C. x=z
Step-by-step explanation:
The correct answer is C. x=z.
Since x = y and y = z, then x = z. This is the transitive property of equality.
Here is a more detailed explanation:
The transitive property of equality states that if a = b and b = c, then a = c.
In this case, x = y and y = z. Therefore, x = z.
Find a formula for the exponential function passing through thepoints (-1, 2/5 ) and (3,250)
The exponential function between (-1, 2/5) and (3, 250) is as follows:
\(f(x) = 2 * 5^x\)
By combining the fourth roots from both sides, we arrive at:
b = 5
When we use the expression we discovered for a and this value of b, we get:
a = (2/5) * 5 = 2
As a result, the exponential function between (-1, 2/5) and (3, 250) is as follows:
\(f(x) = 2 * 5^x\)
what are functions?A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain. The usual way to refer to a function is as f(x), where x is the input. A function is typically represented as y = f. (x).
In mathematics, a function is a unique arrangement of the inputs (also referred to as the domain) and their outputs (sometimes referred to as the codomain), where each input has exactly one output and the output can be linked to its input.
from the question:
This is the shape of the exponential function:
f(x) = a *\(b^x\)
where a represents the starting point and b represents the exponential function's base.
We must solve the system of equations to determine the values of a and b that meet the requirements:
a * \(b^(-1)\) = 2/5 (equation 1)
a *\(b^3\)= 250 (equation 2)
We can solve for an in equation 1 by multiplying both sides by b:
a = (2/5) * b
Substituting this expression into equation 2, we get:
(2/5) * b *\(b^3\) = 250
Simplifying, we get:
\(b^4 = 3125\)
By combining the fourth roots from both sides, we arrive at:
b = 5
When we use the expression we discovered for a and this value of b, we get:
a = (2/5) * 5 = 2
As a result, the exponential function between (-1, 2/5) and (3, 250) is as follows:
\(f(x) = 2 * 5^x\)
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Help me with this please
Answer:
(-12, -18)
Step-by-step explanation:
https://www.omnicalculator.com/math/endpoint
I got these questions wrong, please explain how to do this
Answer:
See attachment
Step-by-step explanation:
Surveying Indiana high school students about virtual learning or e-learning by sampling all of the students from only some of the online schools in Indiana would be a type of sampling known as cluster sampling.
True
False
Each high school in Indiana is considered a cluster. Let's say there are 1000 high schools in that state. That would mean there are 1000 clusters.
You would then randomly select say 5 clusters. Once those selections are made, you would then survey every student at those five schools selected. The number of clusters selected will depend on the situation of course.
Which of the following below is a solution to y=4x-3
(2,5)
(5,5)
(4,5)
(3,5)
\( \fbox{(2,5)}\)
Step-by-step explanation:Hello, substitute all the given coordinates & see if RHS match with LHS
given equation,
y = 4x-3
First coordinate,
(x,y) = (2,5)
5= 4×2-3
5=5
Hence, first solution satisfies the given equation,
let's solve for rest other cordinates,
second coordinate,
(x,y) = (5,5)
5= 4×5-3
5 ≠ 17
does not satisfy,
third coordinate,
(x,y) = (4,5)
5= 4×4-3
5 ≠ 13
does not satisfy,
fourth coordinate,
(x,y) = (4,5)
5 = 4×3-3
5 ≠ 9
does not satisfy.
Hence the correct answer is (2,5)
\( \sf \small Thanks \: for \: joining \: brainly \: community! \)
Suppose a population P(t) satisfiesdP/dt = 0.8P − 0.001P2 P(0) = 40 where t is measured in years.(a) What is the carrying capacity?(b)What is P'(0)?(c) When will the population reach 50% of the carrying capacity? (Round your answer to two decimal places.)
The population reaches 50% of the carrying capacity at around t = 0.4 years (or 4.8 months).
(a) The maximum population size is the carrying capacity which can sustain environment derivative dP/dt to zero and solve for P:
\(0.8P - 0.001P^2 = 0\)
\(0.001P(1000 - P) = 0\)
\(P = 0 or P = 1000\)
Since the population can't be zero, the carrying capacity is 1000.
(b) P'(0) is the derivative of P with respect to t evaluated at t = 0. From the given equation, we have:
\(dP/dt = 0.8P - 0.001P^2\)
So, \(0.8P(t) - 0.001P(t)^2=P'(t)\)
Hence, P'(0) can be 32.
(c) To find when the population reaches 50% of the carrying capacity, we need to solve for the time t such that P(t) = 0.5(1000) = 500. Numerical method to be used which is Euler's method, which involves iteratively approximating the solution using small time steps. We can start with t = 0 and use a time step of h = 0.1 (for example):
P(0) = 40
P(0.1) = 43.2
P(0.2) = ≈ 46.5
P(0.3) ≈ 49.3
P(0.4) ≈ 50.8
P(0.5) ≈ 50.6\(P(0) = 40P(0.1) = 43.2P(0.2) = ≈ 46.5P(0.3) ≈ 49.3P(0.4) ≈ 50.8P(0.5) ≈ 50.6\)
So the population reaches 50% of the carrying capacity at around t = 0.4 years (or 4.8 months).
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Numerical Analysis 1 Problem 1: We want to deal again with Landau symbol. For the following functions f, determine all p E N_0 for which f = 0(x^p) for x --> 0 holds
(a) f(x) = x^2 (b) f(x) = 1/x (c) f(x) = cos(x) – 1 (d) f(x) = sin^2(x) (e) f(x) = sin(sin(x)) - x
sin(x) = O(x) and sin(sin(x)) = O(sin(x)) as x → 0, we have sin(sin(x)) = O(x) as x → 0. Therefore, we can write f(x) = O(x) - x = O(x), which means that \(f(x) = O(x^p) if p ≥ 1\). Therefore, f(x) = O(x^p) holds for all p ≥ 1.
lim x→0 |f(x)|/|x^p| = C > 0, then f(x) = O(x^p). For a polynomial f(x) = a_nx^n + a_{n-1}x^{n-1} + ... + a_1x + a_0, we know that f(x) = O(x^p) if p ≥ n. This is because |f(x)|/|x^p| ≤ |a_n| + |a_{n-1}|/|x| + ... + |a_0|/|x^p|, and since all terms except for the last one go to 0 as x → 0, we must have p ≥ n to ensure that |f(x)|/|x^p| → C > 0.For part (a), we have f(x) = x^2, so we know that f(x) = O(x^p) if p ≥ 2.
Therefore, f(x) = O(x^2) as x → 0.For part (b), we have f(x) = 1/x, so we know that f(x) = O(x^p) if p ≤ -1. Therefore, f(x) = O(x^p) does not hold for any p ≥ 0.For part (c), we have f(x) = cos(x) - 1, so we know that f(x) = O(x^p) if p ≥ 0.
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what is the value of x
Answer:
X=6
Step-by-step explanation:
Simplify:
(2p^3x)^3 = 8p^54 into:
2p^3x = 2p^18
p^3x = p^18
3x = 18
x=6
HELP ME PLZ HELP ME PLZ HELP ME
Answer:
162cm
Step-by-step explanation: LxWxH which is 3x9x6 which = 162cm
and ur welcome
A survey asked about the number of people who eat breakfast almost every day (B) and the number of people who buy cereal at least once a month (C). The results of the survey are shown in the Venn diagram. Circles B and C overlap. Circle B contains 11, circle C contains 4, and the intersection contains 53. Number 23 is outside of the circles. Given that a randomly chosen person eats breakfast almost everyday, what is the probability that the person also buys cereal at least once a month? StartFraction 11 Over 64 EndFraction StartFraction 11 Over 53 EndFraction StartFraction 53 Over 64 EndFraction StartFraction 53 Over 57 EndFraction.
The probability that the person also buys cereal at least once a month, given that a randomly chosen person eats breakfast almost every day is 53/64
What is random sample?Random sample is the way to choose a number or sample in such a manner that each of the sample of the group has an equal probability to be chosen.
A survey asked about the number of people who eat breakfast almost every day (B) and the number of people who buy cereal at least once a month (C).
The results of the survey are shown in the Venn diagram as,
Circles B and C overlap. Circle B contains 11, circle C contains 4, and the intersection contains 53. Number 23 is outside of the circles.Therefore, for circle B, it can be given as,
\(n(B)=11+53=64\)
Similarly, for the circle C,
\(n(C)=53+4=57\)
As the intersection of circle B and C contains 53,
\(n(BC)=53\)
Now the probability that the person also buys cereal at least once a month, given that a randomly chosen person eats breakfast almost every day,
\(P(C|B)=\dfrac{P(BC)}{P(B)}\\P(C|B)=\dfrac{n(BC)}{n(B)}\\P(C|B)=\dfrac{53}{64}\)
Hence, the probability that the person also buys cereal at least once a month, given that a randomly chosen person eats breakfast almost every day is 53/64
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Answer:
C or 53/64
Step-by-step explanation:
Ed2022
Which expressions are equal to 6^3•2^6/ 2^3
Answer:
2^6 x 3^3 and 12^3
Step-by-step explanation:
First, solve
6^3 x 2^6/2^3
216 x 64/8
13824/8 = 1728
lets solve for the answers
6^3 = 216
Therefore, 6^3 is not an answer
2^6 x 3^3= 64 x 27 = 1728
because both expressions are equal to 1728, this is an answer. this answer can also eliminate 2^3 x 3^3 because it has a lower exponent than the answer that is equal to 1728. therefore, the value of it must be smaller than 1728
12^3 = 1728
This answer is correct, because both values are equal to each other, meaning that 12^6 is larger than 1728
Therefore, your answers will be 2^6 x 3^3 and 12^3
pls pls help asap... im not very good at math
The correct option is the second one, the quadratic equation is:
f(x) = 1 - 8x²
Which one is a quadratic equation?A quadratic equation is a polynomial where the degree is 2.
So, we only have integer exponents and the larger exponent is 2.
For example, in the first equation we can see that, but the coefficient of the term with the exponent of 2 is zero, so that term is zero, and thus, that is a linear equation.
The option that is quadratic is the second one:
f(x) = 1 - 8x²
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Determine whether the variable is qualitative or quantitative. Hair color Is the variable qualitative or quantitative? O A. The variable is quantitative because it is a numerical measure. O B. The variable is quantitative because it is an attribute characteristic. O C. The variable is qualitative because it is a numerical measure. OD. The variable is qualitative because it is an attribute characteristic. Determine whether the quantitative variable is discrete or continuous. Number of members present at a meeting Is the variable discrete or continuous ? O A. The variable is continuous because it is countable. O B. The variable is continuous because it is not countable. C. The variable is discrete because it is not countable. D. The variable is discrete because it is countable.
1. The variable is qualitative or quantitative is the variable is qualitative because it is an attribute characteristic (option d). 2. The quantitative variable is discrete or continuous is the variable is discrete because it is countable (option d).
The variable "Hair color" is qualitative because it represents an attribute characteristic rather than a numerical measure. It refers to the different categories or qualities of hair color, such as blonde, brown, black, or red. It is not based on a numerical scale or measurement. Therefore, the correct answer is D) The variable is qualitative because it is an attribute characteristic.
The variable "Number of members present at a meeting" is discrete because it is countable and takes on distinct, separate values. It cannot take on any value between the integers, and there are no fractions or decimals involved. The number of members present can only be whole numbers, such as 0, 1, 2, 3, and so on. Therefore, the correct answer is D) The variable is discrete because it is countable.
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Kindly, explain properly.
The mean of a set of length measurements for object A is 1.25 ± 0.05 m, and the mean of similar measurements for the length of object B is 1.32 ± 0.20 m. Can we conclude that B is longer than A? Explain your reasoning.
Step-by-step explanation:
You cannot conclude this
A can be as short as 1.20 and as long as 1.30
B can be 1.12 to 1.52 m
so B COULD be shorter than A !
The following box plot represents the average heights of the students in Mrs. Hill's sixth grade math class.
Which of the following statements can you determine from the graph? Select all that apply.
Half of the students in Mrs. Hill's class are between 147 centimeters and 154 centimeters tall.
The median height of the students in Mrs. Hill's class is 152 centimeters.
The interquartile range of this data set is 15 centimeters.
The mean height of the students in Mrs. Hill's class is 152.5 centimeters.
Answer:
152 and 9
Step-by-step explanation:
Solve for n.
n + 24 = 99
n =
Answer:
\(n + 24 = 99 \\ \\ n = 99 - 24 \\ \\ n = 75\)
An icecream shop has 10 flavors. One can choose 4 different
flavors. What is the total number of possible flavor
combinations?
a.
252
b.
462
c.
120
d.
330
e.
210
2.
An ice cream shop has 10 flavors and one can choose 4 different flavors. The question asks for the total number of possible flavor combinations.Therefore, we need to find the number of ways in which 4 flavors can be chosen from 10 flavors.
In such cases where order does not matter and repetitions are not allowed, we can use the formula for combinations which is as follows:C(n, r) = n! / (r! (n - r)!)Where n is the total number of items, r is the number of items being chosen at a time and ! represents the factorial function.
Using this formula we can find the total number of possible flavor combinations. Substituting the values in the above formula, we get:C(10, 4) = 10! / (4! (10 - 4)!)C(10, 4) = (10 * 9 * 8 * 7) / (4 * 3 * 2 * 1)C(10, 4) = 210Hence, there are 210 possible flavor combinations when one can choose 4 different flavors
.Explanation:The formula to be used for this type of question is combination. Combination is the method of selecting objects from a set, typically without replacement (without putting the same item back into the set) and where order does not matter. The formula for combination is given by C(n,r)=n!/(r!(n-r)!).
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See screenshot below.
Using system of linear equations he will require 20kg of 15% copper and 30kg of 70% copper to produce an alloy of 48% in 50kg
System of Linear EquationThe system of linear equations is the set of two or more linear equations involving the same variables. Here, linear equations can be defined as the equations of the first order, i.e., the highest power of the variable is 1. Linear equations can have one variable, two variables, or three variables.
To solve this problem, we need to write a system of linear equations and find the equivalent amount of the metal required to make the desired amount of the alloy.
0.15x + 0.7y = 0.48(50) ..eq(i)
0.15x + 0.7y = 24 ...eq(i)
x + y = 50 ...eq(ii)
solving equation (i) and (ii)
x = 20, y = 30
He needs 20kg of 15% copper and 30kg of 70% copper to get 48% of 50kg of alloy.
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What is the volume of this sphere? Use 3.14 and round your answer to the nearest hundredth. 1777561 cubic inches ST
we have that
the radius is
r=12.1 in
the volume of a sphere is
\(V=\frac{4}{3}\cdot\pi\cdot r^3\)substitute the given values
\(\begin{gathered} V=\frac{4}{3}\cdot3.14\cdot12.1^3 \\ \\ V=7,416.94\text{ in3} \end{gathered}\)Part 2
In this problem we have the diameter of the sphere
D=13.6 mm
so
r=D/2=13.6/2=6.8 in
substitute in the formula
\(\begin{gathered} V=\frac{4}{3}\cdot3.14\cdot6.8^3 \\ V=1,316.42\text{ in3} \end{gathered}\)
The sine and cosine of an acute angle are equal. What is the value of angle?
1)30°
2)45°
3)60°
4)Sine and Cosine will never be equal.
The sine and the cosine of the acute angle are the same for θ = π / 4. (Correct choice: 2)
To what angles both the sine and the cosine have the same value?
Acute angles are angles whose measures are greater than 0° and less than 90°. According to the statement, we must find at least a value such that sin θ = cos θ:
sin θ = cos θ Given
sin θ / cos θ = 1 Compatibility with multiplication / Existence of multiplicative inverse / Modulative property
tan θ = 1 Definition of tangent
θ = π / 4 Inverse trigonometric function / Result
In a nutshell, the sine and the cosine of the acute angle are the same for θ = π / 4. (Correct choice: 2)
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a study by tourism ontario revealed that 50% of the vacationers going to toronto visit the cn tower, 40% visit skydome and 35% visit both. what is the probability that a vacationer will visit at least one of these magnificent attractions?
0.55 is the probability that a vacationer will visit at least one of these magnificent attractions.
What is probability ?Probability turned into added into arithmetic to are expecting the possibility of an occasion occurring. Probability essentially approach how in all likelihood it's miles that some thing will happen. This is the fundamental principle of possibility and is likewise utilized in possibility distributions to examine feasible consequences of random experiments.
Calculation50% of the vacationers going to toronto visit the CN tower= 0.5
40% visit skydome= 0.4
35% visit both=0.35
P( At lease one) = P(Toronto) + P(Skydome) - P(Both)
P( At lease one) = 0.4 + 0.5 - 0.35
P( At lease one) = 0.55
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A standard Ford F150 has a standard tire size of 25.7 inches in diameter. You decided to replace the standard tires with a tire with a diameter of 28.2 inches without updating the onboard computer. Last week you were stopped for speeding on the highway where the speed limit is 65 mph. With the change in tires, how fast was the truck actually traveling when the speedometer read 65 mph? If you had used 24 inch tires, what would the actual speed have been if the speedometer read 65 mph?
You should develop a document to be presented to the judge that explains your speed if you still had the original 25.7 inch tires, your actual speed with the new 28.2 inch tires, and your speed if you replaced the wheels with 24 inch tires.
The speed of the truck is higher (or lower) than the speedometer value
when a larger (or smaller) than standard sized tire.
Responses:
The speed with a 28.2 inches tire is actually approximately 71.3 mphThe actual speed if a 24 inch tire was used would be 60.7 mphHow does the size of the tire determine the speed?The standard tire size diameter = 25.7 inches
Diameter of the replacement tire = 28.2 inches
Circumference of the standard tire = π·25.7 inches
1 mile = 63,360 inches
65 miles = 65 × 63,360 inches
\(Number \ of \ rotation =\dfrac{63,360 \times 65}{\pi \times 25.7} \approx \mathbf{ 51,008.85}\)
Distance travelled by the replacement tire with the same number of
rotations is therefore;
\(Distance =\dfrac{63,360 \ in. \times 65}{\pi \times 25.7 \ in.} \times \pi \times 28.2 \ in. \approx \mathbf{4519022.6\ in.}\)
Actual distance travelled in one hour = 4519022.6 ÷ 63,360 ≈ 71.32
The actual speed of the truck when the speedometer read 65 mph is; 71.32 mph
Second part; Tire diameter = 24 inches
Distance traveled in one hour = 51,008.85 × π × 24 ≈ 3845976.68
Distance traveled in one hour ≈ 3845976.68 inches
3845976.68 inches ≈ 60.7 miles
The actual speed if a 24 inch tire is used is approximately 60.7 mph
Details of the truck speed with different sized wheels
The speed if the original 25.7 inch tires is used will be the speed on the speedometer, which is 65 mph. However the actual speed with the new 28.2 inch tires is approximately 71.32 mph. The speed if the wheels were replaced with a 24 inch tire is approximately 60.7 mphLearn more about rotation and speed here:
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Enter the sentence as an equation or inequality. Use x to represent any unknown numberA number decreased by 30 is 246.
Transforming the following mathematical statement "A number decreased by 30 is 246" into an equation will be:
\(\text{ x - 30 = 246}\)Where,
x = unknown number
will someone please ansewer please
Answer:
its the second one
Step-by-step explanation:
select all the true statements. if vertical angles are congruent, then two lines cut by a transversal are parallel. if two parallel lines are cut by a transversal, then corresponding angles are congruent. if two parallel lines are cut by a transversal, then alternate interior angles are congruent. points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints. points on a perpendicular bisector of a line segment are never equidistant from the segment’s endpoints.
Answer:
if two parallel lines are cut by a transversal, then corresponding angles are congruent. if two parallel lines are cut by a transversal, then alternate interior angles are congruent. points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints.Step-by-step explanation:
You want to identify the true statements regarding angles at a transversal crossing parallel lines, and perpendicular bisectors.
AnglesThe Corresponding Angles theorem tells you that corresponding angles are congruent where a transversal crosses parallel lines. Since vertical angles are congruent, and angles congruent to the same angle are congruent to each other, this also means that alternate interior angles are congruent.
Perpendicular bisectorA bisector of a segment passes through its midpoint, a point that is equidistant from the end points. When the bisector is perpendicular to the segment, all points on the perpendicular bisector are equidistant from the segment's endpoints.
Simplify the expression: -3(8 + 6/9x - 3)
5.95, 5.90, 5.85, 5.80, 5.75, 5.75, 5.75, 5.65, 5.65, 5.65, 5.55, 5.55, 5.55, 5.55, 5.55, 5.55
5) The men's pole vault finals' scores for the 2004 Olympic games in Athens are shown. Is the mean a good descriptor of this set?
A) Yes; because there are no outliers.
B) Yes; because it is more accurate than the median.
C) No; because the mode is higher and more reasonable.
D) No; because the outliers have too much effect on it.
The men's pole vault finals' scores for the 2004 Olympic games in Athens are shown, the mean is not a good descriptor of this set because the outliers have too much effect on it. Thus, the correct option is D.
The given set of scores for the men's pole vault finals in the 2004 Olympic games has a wide range of values, including some repeated values. However, there are a few scores that stand out as outliers, such as 5.95 and 5.55.
When outliers have a substantial effect on the mean, it may not be a good descriptor of the set as a whole.
The mode being higher or more reasonable does not directly impact the suitability of the mean as a descriptor of the data set.
Thus, the correct option is D.
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Your CD player is set for random play. There are 20 CDs in the player and
there are 10 songs on each CD. You have one favorite song on each of the
CDs. What is the probability that the next song played is one of them?
the probability that the next song played is one of the favorite songs is 0.1 or 10%.
Since there are 20 CDs with 10 songs each, there are a total of 20 x 10 = 200 songs in the player.
Since there is one favorite song on each CD, there are a total of 20 favorite songs in the player.
The probability of the next song played being one of the favorite songs is equal to the number of favorite songs divided by the total number of songs in the player:
Probability = Number of favorite songs / Total number of songs
Probability = 20 / 200
Probability = 0.1
Therefore, the probability that the next song played is one of the favorite songs is 0.1 or 10%.
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What is the range of this function?
A {-4, 1, 7, 15,}
B {-4, -1, 15, 18}
C {-4, -1, 1, 4, 7, 8, 15, 18,}
D {-1, 4, 8, 18,}
In the drawing, s>t. Which statement about the volumes of the two cylinders is true?
Answer: s>u
Step-by-step explanation:
gl