The solution to the equation 4 log2(x − 5) = −x 9, to the nearest hundredth, are: x = -1.44, 23.75
The given equation is given as 4 log2(x − 5) = −x 9 We need to use a graphing utility to approximate the solution or solutions of the equation to the nearest hundredth. To solve the equation, we can use any graphing calculator or the Graphing utility available in any software or online. Let's solve the given equation by using a graphing calculator using the following steps:
Step 1: Rearrange the given equation to the form f(x) = 0. The given equation can be written as4 log2(x − 5) + x 9 = 0
Step 2: Plot the graph of the function f(x) = 4 log2(x − 5) + x 9 using a graphing calculator. The graph of the function is shown below: Step 3: Estimate the solution(s) of the equation from the graph. From the above graph, we observe that the function f(x) = 4 log2(x − 5) + x 9 intersects the x-axis at two points.
The x-coordinate of the intersection points can be approximated from the graph as shown below: The x-coordinate of the intersection points are:x = - 1.44 and x = 23.75. Rounded to the nearest hundredth, the solution(s) of the equation is:x = -1.44, 23.75Therefore, the solution to the equation 4 log2(x − 5) = −x 9, to the nearest hundredth, are: x = -1.44, 23.75
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What number equals 8 when its cubed?
Step-by-step explanation:
2 would be the answer .
hope it helps u .
2 cubed = 8
equasion; 2 Cubed = [tex]2^{3}[/tex] = 2 × 2 x 2 = 8
i hope this helps <3
Kareem is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.
Company A charges $95 and allows unlimited mileage.
Company B has an initial fee of $75 and charges an additional $0 80 for every mile driven.
For what mileages will Company A charge less than Company B7
Use m for the number of miles driven, and solve your inequality for m.
Answer:
95 < 75 + 0.80m 20 < m Company A will charge less than Company B for mileages less than 20.
Find the curvature of y = sin(–1x) at x = pi/4
The curvature of y = sin(–1x) at x = pi/4 is 2√2/3.
Curvature is the measure of how much a curve bends. It is the rate at which the unit tangent vector changes with respect to arc length. It is given by the formula,K = |dT/ds|Where K is curvature, T is the unit tangent vector, and s is arc length.So, the first step is to find the first derivative of y, which is given by,dy/dx = -1/√(1-x²)Now, we find the second derivative of y which is given by,d²y/dx² = x/(1-x²)^(3/2)At x = pi/4, we have,d²y/dx² = (π/4)/(1-(π/4)²)^(3/2) = 2√2/3Therefore, the curvature of y = sin(–1x) at x = pi/4 is 2√2/3.
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State whether or not the following triangles are similar. If not, explain why not. If so, write a similarity statement
9514 1404 393
Answer:
a) ∆RLG ~ ∆NCP; SF: 3/2 (smaller to larger)
b) no; different angles
Step-by-step explanation:
a) The triangles will be similar if their angles are congruent. The scale factor will be the ratio of any side to its corresponding side.
The third angle in ∆RLG is 180° -79° -67° = 34°. So, the two angles 34° and 67° in ∆RLG match the corresponding angles in ∆NCP. The triangles are similar by the AA postulate.
Working clockwise around each figure, the sequence of angles from lower left is 34°, 79°, 67°. So, we can write the similarity statement by naming the vertices in the same order: ∆RLG ~ ∆NCP.
The scale factor relating the second triangle to the first is ...
NC/RL = 45/30 = 3/2
__
b) In order for the angles of one triangle to be congruent to the angles of the other triangle, at least one member of a list of two of the angles must match for the two triangles. Neither of the numbers 57°, 85° match either of the numbers 38°, 54°, so we know the two triangles have different angle measures. They cannot be similar.
Find the area of polygon MNOP formed by the coordinates given below.
M (8,5)
N (8,-4)
O (-7,-4)
P (-7,5)
A.
48 square units
B.
135 square units
C.
15 square units
D.
150 square units
Answer:
B
Step-by-step explanation:
got it right on edg
Solve the system of equations shown below?
population grows according to an exponential growth model: The initial population is Po 10, and the growth rate is r 0.2_ Then: Pi 10.2 Pz 10.4 Find an explicit formula for Pn: Your formula should involve n. Pn 10 ( 1.02) n Use your formula to find P9 Pg 11.95 Give all answers accurate to at least one decimal place
The population at time n=9 is approximately 11.95. The term "population" refers to the entire set of individuals, objects, or events that are of interest to a researcher or analyst.
Based on the given information, we have:
Initial population (P0) = 10
Growth rate (r) = 0.2
To find an explicit formula for Pn, we can use the formula for exponential growth:
Pn = P0 * (1 + r)^n
Substituting the given values:
Pn = 10 * (1 + 0.2)^n
Simplifying the formula, we have:
Pn = 10 * 1.2^n
Using this formula, we can find P9:
P9 = 10 * 1.2^9 ≈ 11.95
Therefore, the population at time n=9 is approximately 11.95.
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What is the difference of the value of Lily's expression , 6x-3, when x=5 and the value of Pedro's expression when x=5 ? Show or explain how you got your answer.
Given Info : What is the difference of the value of Lily's expression , 6x-3, when x=5 and the value of Pedro's expression when x=5 .
To Find :- Show or explain how you got your answer.
Solution:-
The expression is 6x-3 , and we need to find its value at x = 5 , On putting x =5 we have
6*5-3 = 30-3 = 27.
This value will come same in case of Pedro, therefore our required answer is 5
PLZZZ HELPPP BRAINLIESTT
Answer:
1. 4 less than x
2. v = 15.00n
Answer:
4 minus x and v = 15.00n
Step-by-step explanation:
Which of the following figures has a length, width, and height?
A. Square
B. Line segment
C. Point
D. Pyramid
Answer:
I believe
D. Pyramid
Is the answer I did it in 6th or 7th grade
Step-by-step explanation:
Square is flat so no height.
Line segment is a flat line so no height
point is a literal dot
pyramid is a 3d figure so it would have all of the attributes
We both helped right?
Answer:
Pyramid
Step-by-step explanation:
Square is flat so no height.
Line segment is a flat line so no height
point is a literal dot
pyramid is a 3d figure so it would ahve all of the attributes
Complete the equation of this circle:
Please help will mark brainliest!!
Answer:
(x+2)^2 +(y-4)^2
Step-by-step explanation:
correct answer: ( x - ( -2 ) ) ² + ( y - 4 ) ² = 36
so put in -2 for the first blank, 4 for the second and 36 for the last blank!
btw it can be simplified to (x+2)² + (y-4)² = 6²
but thats not what theyre asking for ^^
Three friends ate 3/4 of a pizza. The 3 friends ate
equal amounts. How much of the pizza did each
friend eat?
Answer:
each friend ate 1/4 of pizza
Step-by-step explanation:
3/4 ÷ 3
= 1/4
Discrete math proof
Theorem: 0.1 Let a and n be positive natural numbers. Then the following statements are equivalent. • GCDa, n) = 1 (Relatively Prime) a is not a zero divisor. (ab = 0) b=0) There exists a natural nu
The theorem states that for positive natural numbers a and n, the statements "GCD(a, n) = 1" (a and n are relatively prime), "a is not a zero divisor," and "there exists a natural number b such that ab ≡ 1 (mod n)" are all equivalent.
How to find the equivalent statements in the theorem regarding positive natural numbers a and n?The theorem establishes the equivalence of three statements concerning positive natural numbers a and n. Firstly, if the greatest common divisor (GCD) of a and n is 1, it indicates that a and n are relatively prime.
This means that they have no common factors other than 1.
The second statement states that if a is not a zero divisor, then it implies that a multiplied by any nonzero element b is not equal to zero. In other words, a does not "annihilate" any nonzero element in multiplication.
Lastly, the theorem asserts that if there exists a natural number b such that ab ≡ 1 (mod n), it signifies the existence of a multiplicative inverse of a modulo n.
This means that a and n have a modular inverse, which is a natural number that, when multiplied by a, gives a remainder of 1 when divided by n.
The theorem shows that these three statements are equivalent, meaning that if one statement is true, then the other two statements will also hold.
The proof of this theorem involves establishing the logical connections between these statements and demonstrating that they are always true under the given conditions.
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P l e a s e a n s w e r t h i s
Answer : 1/2 gallon
Explanation:
There were a total of 5 gallons collected, as the question states.
There are 3 x's above 1/4, 2 x's above 3/8, 4 x's above 5/8 and 1 x above 1. This is a total of
3+2+4+1 = 10 x's. This means there were 10 trees.
If 5 gallons is evenly distributed among 10 trees, this would give us the ratio 5/10, which simplifies to 1/2 gallon per tree.
....this answer is not from me. The same question was asked on brainy and I've copy pated it, it is the right answer tho. Credit goes to "MsEHolt" for answering.
What is the percent of change from 10 to 8?
use Laplace transforms to solve the following differential equation
y' + 3y = f(t), y(0) = α, α is a constant.
The solution to the differential equation y' + 3y = f(t), y(0) = α using Laplace transforms is y(t) = αe⁻³ᵗ + F(s)/(s+3), where F(s) is the Laplace transform of f(t).
We use the Laplace transform on both sides of the problem in order to solve the given differential equation. Let Y(s) and F(s) represent the Laplace transforms of y(t) and f(t), respectively. Taking the Laplace transform of both sides of the equation, we have:
sY(s) - y(0) + 3Y(s) = F(s)
Substituting y(0) = α, we get,
sY(s) - α + 3Y(s) = F(s)
Rearranging the equation and solving for Y(s), we have,
Y(s) = (F(s) + α)/(s + 3)
Now, we need to find the inverse Laplace transform of Y(s) to obtain y(t). Using the properties of Laplace transforms, we know that the inverse Laplace transform of Y(s) is y(t) = L⁻¹{Y(s)}. Applying the inverse Laplace transform, we find,
y(t) = αe⁻³ᵗ + L⁻¹{F(s)/(s+3)}
The term αe⁻³ᵗ corresponds to the initial condition y(0) = α. The remaining term L⁻¹{F(s)/(s+3)} represents the inverse Laplace transform of F(s)/(s+3), which depends on the specific function f(t) and its Laplace transform.
Therefore, the solution to the differential equation is y(t) = αe⁻³ᵗ + F(s)/(s+3), where F(s) is the Laplace transform of f(t).
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Since previous studies have reported that elite athletes are often deficient in their nutritional
intake (e.g., total calories, carbohydrates, protein), a group of researchers decided to evaluate
Canadian high performance athletes. A total of n = 324 athletes from eight Canadian sports
centers participated in the study. One reported finding was that the average caloric intake
among the n=201 women was 2403.7 kcal/day. The recommended amount is 2811.5 kcal/day.
Is there evidence that female Canadian athletes are deficient in the caloric intake? (Assume
?=0.05 and the data comes from a normal population)
a. State the appropriate null and alternative hypotheses to test this.
b. Which n should be used (201 or 324)? What key word in the last sentence of the paragraph
above led you to this decision?
c. Assuming a population standard deviation of 880 kcal/day, what is the value of the test
statistic?
d. Sketch the normal curve, label your test statistic and shade the appropriate area related to
the p-value.
e. What is the p-value?
f. Do you reject or fail to reject the null hypothesis? Why?
g. Write a conclusion in terms of language related to the given problem.
a. Null hypothesis (H0): The average caloric intake among female Canadian athletes is equal to or greater than the recommended amount (µ ≥ 2811.5 kcal/day).
Alternative hypothesis (H1): The average caloric intake among female Canadian athletes is less than the recommended amount (µ < 2811.5 kcal/day).
b. The value of n that should be used is 201
c. SEM = 880 / √201
d. To sketch the normal curve and label the test statistic, we need the test statistic value and the critical region corresponding to the significance level α = 0.05
e. Without the test statistic or critical region, we cannot calculate the p-value.
f. Since we don't have the test statistic, critical region, or p-value, we cannot make a decision to reject or fail to reject the null hypothesis at this point.
g. Without the test statistic, critical region, or p-value, we cannot draw a conclusion regarding the evidence for or against the deficiency in caloric intake among female Canadian athletes.
a. The appropriate null and alternative hypotheses to test whether female Canadian athletes are deficient in caloric intake can be stated as follows:
Null hypothesis (H0): The average caloric intake among female Canadian athletes is equal to or greater than the recommended amount (µ ≥ 2811.5 kcal/day).
Alternative hypothesis (H1): The average caloric intake among female Canadian athletes is less than the recommended amount (µ < 2811.5 kcal/day).
b. The value of n that should be used is 201, which represents the number of female athletes in the study. The key word in the last sentence of the paragraph ("n=201 women") indicates that the information provided specifically pertains to the female athletes, not the entire sample of 324 athletes.
c. To calculate the test statistic, we need to determine the standard error of the mean (SEM) using the formula:
SEM = σ / √n
where σ is the population standard deviation and n is the sample size. In this case, the population standard deviation is given as 880 kcal/day, and the sample size is 201.
SEM = 880 / √201
d. To sketch the normal curve and label the test statistic, we need the test statistic value and the critical region corresponding to the significance level α = 0.05. However, the critical region is not provided in the given information.
e. The p-value represents the probability of obtaining a test statistic as extreme as or more extreme than the observed value, assuming the null hypothesis is true. Without the test statistic or critical region, we cannot calculate the p-value.
f. Since we don't have the test statistic, critical region, or p-value, we cannot make a decision to reject or fail to reject the null hypothesis at this point.
g. Without the test statistic, critical region, or p-value, we cannot draw a conclusion regarding the evidence for or against the deficiency in caloric intake among female Canadian athletes. Further analysis is required to obtain the missing information and make a conclusive statement.
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Advertisements for the train claim it is on time 90% of the time. The bus has a record of being on time 56 out of 64 days. Which form of transportation provides more reliable service???
Answer:
The train is more reliable.
Step-by-step explanation:
The train is more reliable. The bus is on-time 87.5% of the time, while the train is on-time 90% of the time.
P(A) = 0.35, P(B) = 0.55, P(A and B) = 0.10. P(BA)
The probability of event B given event A P(B|A) is approximately 0.2857
P(B|A), the probability of event B given event A, we use the formula:
P(B|A) = P(A and B) / P(A)
P(B|A) denotes conditional probability the probability of event B depends on another event A.
Given the following probabilities:
Probability of event A P(A) = 0.35
Probability of event B P(B) = 0.55
Probability of event A and B (A and B) = 0.10
We can calculate P(B|A) as follows:
P(B|A) = P(A and B) / P(A)
P(B|A) = 0.10 / 0.35
P(B|A) ≈ 0.2857
Therefore, P(B|A) is approximately 0.2857.
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Let T be a relation defined on z such that aT bab (mod). Show that T is an equivalence relation.
To show that the relation T defined on the set of integers Z is an equivalence relation, we need to prove three properties: reflexivity, symmetry, and transitivity.
1. Reflexivity: For any integer a, we need to show that aTa (mod). In modular arithmetic, a is congruent to itself modulo any integer, so this property holds.
2. Symmetry: For any integers a and b, if aTb (mod), then we need to show that bTa (mod). In modular arithmetic, if a is congruent to b modulo some integer, then b is also congruent to a modulo the same integer. Therefore, the symmetry property holds.
3. Transitivity: For any integers a, b, and c, if aTb (mod) and bTc (mod), then we need to show that aTc (mod). In modular arithmetic, if a is congruent to b modulo some integer and b is congruent to c modulo the same integer, then a is also congruent to c modulo that integer. Therefore, the transitivity property holds.
Since the relation T satisfies all three properties (reflexivity, symmetry, and transitivity), we can conclude that T is an equivalence relation.
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HELPPPPPPPPPPPPPppppppppp number 4
Answer:
3 dots
Step-by-step explanation:
This should be correct due to there only being 3 100% on the table
Please help, GodBless.
Answer:
m = - 6 :)
Step-by-step explanation:
The scatter plot shows the relationship between backpack weight and student weight. Which statement describes the data shown in the scatter plot?
A) A potential outlier at (12, 50).
B) A potential outlier at (50, 12).
C) A cluster between a student weight of 40 kg to 70 kg.
D) A cluster between a backpack weight of 4 kg to 12 k
Answer:
the answer is B on USA Prep
Step-by-step explanation:
"A potential outlier at (50, 12)" is the statement that best describes the data shown in the scatter plot.
What is the line of best fit?A straight line that minimizes the gap between it and certain data is called a line of best fit. In a scatter plot containing several data points, a relationship is expressed using the line of best fit. It is a result of regression analysis and a tool for forecasting indicators and price changes.
Given:
The scatter plot shows the relationship between backpack weight and student weight.
From the given choices:
An outlier is a value that nowhere near the range of the data set.
From the scatter plot:
A potential outlier at (50, 12).
Therefore, a potential outlier at (50, 12).
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ill mark brainliest, question is attached
Answer:
w=8
Step-by-step explanation:
[tex]72=7w+2w\\72=9w\\\frac{72}{9} =w\\w=8[/tex]
proof:
[tex]72=7(w)+2(w)\\72=7(8)+2(8)\\72=56+16\\72=72[/tex]
Answer:
Simplest-9w=72, w=8
Step-by-step explanation:
7w+2w=9w
72/9=8
w=8
How much water can a sponge filter in one minute?
2 quarts
3 quarts
4 quarts
1 quart
Answer:
It would be 4 quarts.
Step-by-step explanation:
The answer is 2 quarts
Ben conducted an experiment to determine the association between the number of hours spent studying per day with GPA. The line of best fit for his data has a slope of 1, with time, in hours, as the independent variable x and GPA as the dependent variable, y. What does a slope of 1 mean in this context?
A) GPA is 1 point every hour.
B) GPA of 1 point is at zero hours.
C) GPA increases by 1 additional point per hour.
D) Time decreases by 1 hour for every GPA point increase.
Answer:
C.
Step-by-step explanation:
Since the slope is 1 meaning it goes up and over by 1 the GPA would increase by 1 every hour
Answer:
c
Step-by-step explanation:
What is the equation of the line that passes through (0, 2) and (3, - 4)
Find the slope plz help ASAP!!
help! rs - st + m - tv
Answer:
umm, i think the question is incomplete
Step-by-step explanation:
Please help meee! I will give brainleiest!
Answer:
What do you need help with?
What doth thee needeth help with?
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