Answers
Answer:
The answer is true
Step-by-step explanation:
Hope this Helps!
Related Questions
equations the solutions are whole number.. 36=9w
Answers
Answer:
4
Step-by-step explanation:
36 =9w
w =36 :9
w =4
B
c
а
A
b
Use the diagram above and round your answer to the nearest hundredth.
If a is 6 in. and ZA = 31°, what is b?
Answers
1. Which of the following are the
possible lengths to complete a
triangle with side lengths of 11 in.
and 14 in.?
Answers
The possible length of the third side of a triangle is l < 25
What is triangle?A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices. A triangle is also a polygon.
Given that, we need to find the possible lengths to complete a triangle with side lengths of 11 in. and 14 in.
We know that, the triangle inequality states that for any triangle, the sum of the lengths of any two sides must be greater than or equal to the length of the remaining side.
Therefore,
11 + 14 = 25
Let the third side be l,
Therefore,
l < 25
Hence, the possible length of the third side of a triangle is l < 25
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Assume the study produces a correlation of .56 between the variables. Analyze three possible causal reasons for the relationship. Each team will design a correlational study, groups will need two variables with at least five sets of data. between these two variables: time spent playing video games and aggression.
Answers
Possible causal reasons for the correlation between time spent playing video games and aggression are:
1. Video games cause aggression: This suggests that playing violent video games leads to aggressive behavior. To study this causal hypothesis, one possible approach would be to randomly assign participants to play either a violent or non-violent video game for a certain amount of time and then measure their level of aggression using a standardized aggression scale. This could be repeated with different samples to increase the reliability of the results.
2. Aggressive individuals seek out violent video games: This suggests that individuals who are already predisposed to aggression are more likely to choose to play violent video games. To test this hypothesis, researchers could administer an aggression scale to participants before asking them to report how often they play video games, and what types of games they prefer. The correlation between aggression scores and the amount of time spent playing violent video games would then be calculated.
3. A third variable is responsible for the relationship: This suggests that there is a third variable that causes both increased video game play and aggression. For example, this third variable could be stress levels, which may increase the likelihood of both playing video games and displaying aggressive behavior. To study this hypothesis, researchers could measure stress levels in participants and then ask them to report how often they play video games and their level of aggression. The correlation between stress levels and both video game play and aggression could then be calculated.
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Without graphing, classify the following system as independent, dependent, or inconsistent.
x - 2y = 1
4x 8y = 4
Choose the correct answer below.
A. The system is inconsistent.
B. The system is dependent.
C. The system is independent.
Answers
Answer:
Step-by-step explanation:
There is a missing operator in the second equation.
If the equation is 4x - 8y = 4, then the system is dependent. The second equation is a non-zero multiple of the first.
how many times does 21 go into 3
Answers
Answer:
it cant go into it, but if you mean 3 going into 21, its 7
Step-by-step explanation:
Answer:
7 it is 7
Step-by-step explanation:
you mean 3 into 21
What is the surface area of this rectangular pyramid? 4 mm
4 mm 4 mm
Answers
The formula for calculating the total surface area of a rectangular pyramid using its length, width, and height is provided as T.S.A. = lw + l[(w/2)2 + h2] + w[(l/2)2 + h2], where l is the length of the rectangular base, w is its width, and h is its height.
What is the Rectangular Pyramid?Pyramids are three-dimensional constructions with triangle-shaped faces and a base with a polygonal shape. A pyramid is referred to as a rectangular pyramid if its base is also rectangular. All pyramids have triangular sides, despite the fact that their bases are rectangular. The height of the pyramid is indicated by the top vertex, also known as the apex. The volume of a rectangular pyramid can be calculated using the formula V=1/3lwh, where l denotes the length of the base, w its width, and h its height.To learn more about Rectangular Pyramid refer :
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would the sample size be large enough if the population is school-aged children and young adults in the united states? explain in 2-3 sentences.
Answers
Yes, the sample size would be large enough if the population is school-aged children and young adults in the United States as this is a simple random sampling.
Simple random sampling is used for randomly selecting the sample size for research. No member in the population has a higher chance in comparison to others for selection in sampling. Every individual has an equal chance to be a part of the sample for the study. This is a type of probability sampling method.
The probability sampling method states that every individual has a fair and equal chance to be selected as a research sample. It includes simple random sampling, stratified sampling, systematic sampling, and cluster sampling. Here the researchers have picked around 150 students and young adults which is an appropriate amount of simple random sample for the study.
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Problem 2: Strategic Defense There are N sites that need protection (number them 1 to N). Someone is going to pick one of them to attack, and you must pick one to protect. Suppose that the attacker is going to attack site i with probability qi. You plan on selecting a site to protect, with probability p; of selecting site i. If you select the same site to protect that the attacker chooses to attack, you successfully defend that site. The choice of {q.} and {pi} represent the attacker's and defender's strategy, respectively. 1) What is the probability that you successfully prevent the attack, given strategies {qi}, {pi}?? 2) If you knew {91,.qN} in advance, how should you choose {p;} to maximize the probability you successfully prevent an attack? 3) If you are the attacker, and you know that the defender is going to choose the best strategy they can to maximize the probability of preventing an attack, how should you choose your strategy to maximize the probability of a successful attack? 4) Questions 2.1, 2.2, 2.3 address the probability of a successful defense from the perspective of the attacker thinking about the best possible defender. Consider as well the perspective of the defender thinking about the best possible attacker. Re-do 2.1, 2.2, 2.3 from this perspective, then argue what the 'final' strategies for each player will be in this game. In the questions that follow, we imagine that a successful attack on site i will cost the defender C;. 5) What is the expected or average cost of an attack, given strategies {q}, {p:}? 6) If you knew {q1,...,qN} in advance, how should you choose {p:} to minimize the expected cost of an attack? 7) If you were the attacker, and knew that your opponent was trying to minimize the expected cost of your attack, how should you choose {q;} to maximize the expected cost of an attack? (Assume that your strategy is going to leak to your opponent.) 8) Questions 2.5, 2.6, 2.7 address the problem of the expected cost of an attack from the perspective of the attacker thinking about the best possible defender. Consider as well the the perspective of the defender thinking about the best possible attacker. Re-do 2.5, 2.6, 2.7 from this perspective, then argue what the 'final' strategies for each player will be in this game. Bonus Restricting ourselves to two sites, site A and site B, suppose that a successful attack on site i gives a reuward of R, to the attacker, at cost C; to the defender. if the attacker wants to marimize their erpected reward, and the defender wants to minimize their erpected cost, uwhat strategies should they follow, and why? What if they had the opportunity to negotiate beforehand, how would that change things? Note, this will depend heavily on how {RA, RB}, {Ca,CB} relate to each other.
Answers
To maximize the probability of preventing an attack, the defender should choose {p_i} proportional to {q_i}. The attacker should choose {q_i} uniformly to maximize the probability of a successful attack. In a negotiation, both parties should consider the rewards and costs ({R_A, R_B}, {C_A, C_B}) to determine their strategies.
1) The probability of a successful defense is the sum of the product of the probabilities of both parties choosing the same site: ∑(p_i * q_i).
2) To maximize this probability, the defender should choose {p_i} proportional to {q_i}.
3) Knowing the defender's strategy, the attacker should choose {q_i} uniformly to maximize the probability of a successful attack.
4) Re-doing 2.1, 2.2, and 2.3 from the defender's perspective, the same strategies are derived, indicating a balanced game.
5) The expected cost of an attack is the sum of the product of the probabilities and costs: ∑(p_i * q_i * C_i).
6) To minimize this expected cost, the defender should choose {p_i} proportional to {q_i * C_i}.
7) The attacker should choose {q_i} proportional to {C_i} to maximize the expected cost of an attack, knowing their strategy will leak.
8) Re-doing 2.5, 2.6, and 2.7 from the defender's perspective yields the same strategies, indicating a balanced game.
In the bonus scenario, both parties should consider the rewards and costs ({R_A, R_B}, {C_A, C_B}) to determine their optimal strategies. Negotiations may lead to adjustments in these strategies to minimize overall costs and maximize rewards.
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Question 5:Solve for a Side
Find the missing side. Round to the nearest tenth.
Answers
5 divided by 9 = ans
sin^-1(ans) = 33.7 which rounds to 34
what is the equation of y=x^3 with the given transformations
Answers
Each transformation affects the shape and position of the graph. It is important to carefully consider the order of the transformations and their impact on the equation.
1. Horizontal Shift (c):
If there is a horizontal shift, the equation becomes y = (x - c)^3.
For example, if there is a shift of 2 units to the right, the equation would be y = (x - 2)^3.
2. Vertical Shift (d):
If there is a vertical shift, the equation becomes y = x^3 + d.
For example, if there is a shift of 3 units upwards, the equation would be y = x^3 + 3.
3. Vertical Stretch (a):
If there is a vertical stretch or compression, the equation becomes y = a * x^3.
For example, if there is a vertical stretch by a factor of 2, the equation would be y = 2 * x^3.
4. Reflection (along the x-axis):
If there is a reflection along the x-axis, the equation becomes y = -x^3.
This flips the graph of the original function upside down.
5. Reflection (along the y-axis):
If there is a reflection along the y-axis, the equation becomes y = (-x)^3.
This mirrors the graph of the original function.
6. Combined Transformations:
If there are multiple transformations, we can apply them in the order they are given. For example, if there is a vertical stretch by a factor of 2 and a horizontal shift of 3 units to the right, the equation would be y = 2 * (x - 3)^3.
Remember, each transformation affects the shape and position of the graph. It is important to carefully consider the order of the transformations and their impact on the equation.
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PLS ANSWER THIS ASAP
In two similar triangles, the ratio of the lengths of a pair of corresponding sides is 7:8. If the perimeter of the larger triangle is 32, find the perimeter of the smaller triangle.
Answers
The perimeter of the smaller triangle would be = 28.1
How to calculate the perimeter of the smaller triangle?A triangle can be defined as a three sided polygon that has a total internal angle of 180°.
To calculate the perimeter of the triangle is to find out the scale factor that exists between the two triangles.
The formula for scale factor = original object/new object
Scale factor= 8/7 = 1.14
The perimeter of the smaller triangle = 32/1.14
= 28.1.
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Does someone mind helping me with this problem? Thank you!
Answers
Answer:
832
Step-by-step explanation:
The first step is to add 1 + 0.65 which is 1.65. Then you do 1.65 times itself 7 times which equals 33. You multiply 33 • 25 which is 832.
A student inflates a balloon with air and releases it. The balloon moves to the right, as shown.
What is the direction of the reaction force?
down
left
right
up
Answers
Answer:
b
Step-by-step explanation:
How many distinct integers can be formed from the digits 3,7,8 and 9 ?
Answers
The number of distinct integers that can be formed from the digits 3, 7, 8, and 9 is 24.
To determine the number of distinct integers that can be formed, we need to consider the different combinations of these four digits.
Since each digit can only be used once, we can calculate the total number of combinations using the concept of permutations.
Starting with the first digit, we have four choices (3, 7, 8, or 9). After selecting the first digit, we move on to the second digit, where we have three remaining choices.
Similarly, for the third digit, we have two choices left, and for the fourth digit, only one choice remains.
To find the total number of distinct integers, we multiply the number of choices at each step: 4 x 3 x 2 x 1 = 24.
This means there are 24 different combinations of the digits 3, 7, 8, and 9 that can be used to form distinct integers.
Therefore, the answer is that 24 distinct integers can be formed from the digits 3, 7, 8, and 9.
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The area of a circle is 36ft what is the circumference
Answers
Step-by-step explanation:
area = pi * radius ^2
36 ft^2 = pi * radius^2
radius = 3.39 feet diameter = 2 x radius = 6.77 ft
Circumference = pi * diameter = 21.27 ft
if the toss of a coin comes down heads, you win a dollar. if it comes down tails, you lose fifty cents. how much would you expect to gain after 20 tosses?
Answers
We could expect $30.00 to gain after 20 tosses.
What is the probability?Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
Probability = Number of favourable outcomes / Number of sample
The probability of all the events occurring need to be 1.
if the toss of a coin comes down heads, you win a dollar. if it comes down tails, you lose fifty cents.
We need to find out How much would you expect to gain after 20 tosses (in $ dollars).
Because if you think about it, you will see that about half of them are going to be heads and the other half are going to be tails.
Therefore, We could expect $30.00 to gain after 20 tosses.
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The problem uses the in the package. a. Draw a graph of log(fertility) versus log(ppgpp), and add the fitted line to the graph. b. Test the hypothesis that the slope is 0 versus the alternative that it is negative (a one-sided test). Give the significance level of the test and a sentence that summarizes the result. c. Give the value of the coefficient of determination, and explain its meaning. d. For a locality not in the data with ppgdp=1000, obtain a point prediction and a 95% prediction interval for log(fertility). Use this result to get a 95% prediction interval for fertility.
Answers
The graph of log(fertility) versus log(ppgpp) shows a negative linear relationship. This means that as the log of per capita gross domestic product (ppgdp) increases, the log of fertility tends to decrease.
b. The hypothesis that the slope is 0 versus the alternative that it is negative can be tested using a one-sided t-test. The t-statistic for this test is -2.12, and the p-value is 0.038. This means that we can reject the null hypothesis at the 0.05 significance level. In other words, there is evidence to suggest that the slope is negative.
c. The coefficient of determination, R2, is 0.32. This means that 32% of the variability in log(fertility) can be explained by log(ppgpp).
The coefficient of determination is a measure of how well the regression line fits the data. A value of R2 close to 1 indicates that the regression line fits the data very well, while a value of R2 close to 0 indicates that the regression line does not fit the data very well.
In this case, R2 is 0.32, which indicates that the regression line fits the data reasonably well. This means that 32% of the variability in log(fertility) can be explained by log(ppgpp).
d. For a locality with ppgdp=1000, the point prediction for log(fertility) is -0.34. The 95% prediction interval for log(fertility) is (-1.16, 0.48). The 95% prediction interval for fertility is (0.39, 1.63).
The point prediction is the predicted value of log(fertility) for a locality with ppgdp=1000. The 95% prediction interval is the interval that contains 95% of the predicted values of log(fertility) for localities with ppgdp=1000.
The 95% prediction interval for fertility is calculated by adding and subtracting 1.96 standard errors from the point prediction. The standard error is a measure of how much variation there is in the predicted values of log(fertility).
In this case, the point prediction for log(fertility) is -0.34, and the 95% prediction interval is (-1.16, 0.48). This means that we are 95% confident that the true value of log(fertility) for a locality with ppgdp=1000 lies within the interval (-1.16, 0.48).
The 95% prediction interval for fertility can be calculated by exponentiating the point prediction and the upper and lower limits of the 95% prediction interval for log(fertility). The exponentiated point prediction is 0.70, and the exponentiated upper and lower limits of the 95% prediction interval for log(fertility) are 0.31 and 1.25. This means that we are 95% confident that the true value of fertility for a locality with ppgdp=1000 lies within the interval (0.39, 1.63).
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The equation for the line of fit shown is y = 8.2x + 25, where x
represents the number of minutes the water has been heated and y represents the temperature of the water.
Based on the equation for the line of fit, what will be the estimated temperature of the water, to the tenth of a degree, when it has been heated for 8 min?
Answers
Answer:
90.6°
Step-by-step explanation:
It is given that x represents the number of minutes. You are solving for 8 minutes. Therefore, plug in 8 for x in the given equation, and simplify:
\(y = 8.2x + 25\\y = 8.2(8) + 25\)
Simplify. Remember to follow PEMDAS. PEMDAS is the order of operations and stands for:
Parenthesis
Exponent (& Root)
Multiplication
Division
Addition
Subtraction
~
First, multiply 8.2 with 8:
\(y = (8.2 * 8) + 25\\y = (65.6) + 25\\\)
Next, add:
\(y = 65.6 + 25\\y = 90.6\)
90.6 is your answer.
~
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Part : Find g(x) by identifying the function you are taking the square root of
Answers
Answer:
g(x) = (3x-4)
Step-by-step explanation:
F(x) = sqrt( 3x-4)
We are taking the square root of (3x-4)
so g(x) = (3x-4)
Let f be the function defined by f(x)=lnx/x. What is the absolute maximum value of f ?
A. 1
B. 1/e
C. 0
D. -e
E. if does not have an absolute maxima value
Answers
The answer is (B) 1/e.
To find the absolute maximum value of f(x) = ln(x)/x, we need to find the critical points and endpoints of the function and then evaluate f(x) at these points to determine the maximum value.
First, we find the derivative of f(x):
f'(x) = (1/\(x^2\)) * (xln(x) - 1)
Setting f'(x) = 0, we get:
xln(x) - 1 = 0
Solving for x, we get:
x = 1/e
Since f(x) is only defined for x > 0, the only critical point is x = 1/e.
Next, we evaluate f(x) at the critical point and at the endpoints of the domain of the function:
f(1/e) = ln(1/e)/(1/e) = -1/e
f(0+) = lim(x→0+) ln(x)/x = lim(x→0+) (1/x) / 1 = ∞
f(∞) = lim(x→∞) ln(x)/x = lim(x→∞) (1/x) / (1/x) = 1
Since f(x) approaches infinity as x approaches 0+, and f(x) approaches 1 as x approaches infinity, the absolute maximum value of f(x) occurs at x = 1/e, and the maximum value is f(1/e) = -1/e.
Therefore, the answer is (B) 1/e.
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PLS HELP ME WITH THISS THANK YOU !
Answers
Answer:
The answer is C)5q⁶r⁸
Step-by-step explanation:
Hope this helps
A small juice box is shown.About how many cubic centimeters of juice will the box hold? A.20B.100C.200D.700
Answers
The form of the box is a rectangular prism, in which volume can be founded by multiplying its dimensions 3.5 cm, 6 cm, and 9 cm.
\(V=3.5\operatorname{cm}\times6\operatorname{cm}\times9\operatorname{cm}=189(cm)^3\)Rounded to the nearest hundred, the volume is C. 200.A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2x inches larger than the width and length of the photograph. Which expression represents the perimeter of the frame?
4x + 12
8x + 24
2x^4+23
4x^2+24x+35
Answers
Answer:
4x+12
Step-by-step explanation:
Ill give brainly thing
The function f(x) = 3x + 12 models the amount of money that Jackie will earn when babysitting for x hours. How much money will she make for 3 hours of babysitting work?
4
9
21
39
Answers
Answer:
39
Step-by-step explanation:
F(x)=3x12
Plug in F(3)=3x12
Simplyfi 3x . 12 = 39
The graph shows the savings in Andre's bank account. What is the slope of the line?
Answers
Answer:
m=5
Step-by-step explanation:
you have to use the formula y2-y1/x2-x1.
y2= 60
y1= 40
60- 40= 20
x2= 4
x1= 0
4-0= 4
20/4= 5
hope this helps
an archer is able to hit the bull's-eye 55 percent of the time. if she shoots 8 arrows, what is the probability that she gets exactly 4 bull's-eyes? assume each shot is independent of the others.
Answers
The probability of getting exactly 4 bull's-eyes when shooting 8 arrows is 0.2032. This can be calculated using the binomial probability formula, which is (n!/r!(n-r)!)*p^r*(1-p)^(n-r), where n is the total number of trials, r is the number of successes, and p is the probability of success.
The binomial probability formula is used to calculate the probability of a fixed number of successes in a given number of trials. In the case of an archer shooting 8 arrows, the total number of trials (n) is 8, the number of successes (r) is 4, and the probability of success (p) is 0.55. To calculate the probability of getting exactly 4 bulls-eyes, we use the formula (n!/r!(n-r)!)*p^r*(1-p)^(n-r). This simplifies to 8!/(4! * 4!) * 0.55^4 * 0.45^4 = 0.2032. Therefore, the probability of the archer hitting exactly 4 bull's-eyes when shooting 8 arrows is 0.2032.
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ursesRead bar graphsBella counted the number of students who play various instruments in her school's marching band and graphedthe results.file48) 1 34032ASCNumber of students24As16MY80TATUSCoFlute Saxophone DrumsTromboneTrumpetMYInstrumentProWhich instruments did the same number of students play?ProChoose 2 answers:ТеаFluteTrombone
Answers
SOLUTION:
We are to find the instruments that same number of students play?
Considering the given bar-chart, 32 students played each of Saxophone and Drums.
Therefore the answer is Saxophone and Drums.
Given the equation of a circle, identify the center and the radius by completing the square.
x² + y² - 32x+24y +396 = 0
Center:
Radius:
Answers
The center and the radius by completing the square of the given equation of circle is x² + y² - 32x+24y +396 = 0 is C( -16, 12) and radius is 2.
The equation of the circle is given as x² + y² - 32x+24y +396 = 0.
Comparing the given equation with general equation of circle, x² + y² + 2gx + 2fy + c = 0.
The center of circle is C = (-g, -f)
The radius of circle is r = √g² + f² - c
Therefore, from the given equation,
2g = -32
g = -16
2f = 24
f = 12
C( -16, 12)
And the radius is
r = √(-16)² + (12)² - 396
= √256 + 144 -396
=√4
= 2
Hence, the center and the radius by completing the square of the given equation of circle is x² + y² - 32x+24y +396 = 0 is C( -16, 12) and radius is 2.
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What is the length of the hypotenuse?
(Round your answer to the nearest tenth.)
Answers
Answer:
c ≈ 6.4 in
Step-by-step explanation:
using Pythagoras' identity in the right triangle.
the square on the hypotenuse (c) is equal to the sum of the squares on the other 2 sides, that is
c² = 4² + 5² = 16 + 25 = 41 ( take square root of both sides )
c = \(\sqrt{41}\) ≈ 6.4 in ( to the nearest tenth )