Which biconditional is false?
F A person is eligible to attend the
club meetings if and only if that
person is a member of the club.
G A person can practice medicine in
the United States if and only if that
person has a valid medical license.
H A person can legally drive a car if
and only if the person holds a valid
driver's license.
J A student participates on the
football tearn if and only if the
student maintains at least a 3
average
Answers
Choice G.
Out of sense, A and C are correct. Choice D seems more logical. For students studying medicine, that doesn’t mean they need a medical license.
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Related Questions
3. You ask the production team to make some candles for the sale. The team is not sure how many they can
produce in your short time frame, so they ask for an acceptable range for how many of each candle they
should make.
Use your costs and recommended retail prices to write a linear programming model to show the BeeSwaks
executives possible profits for selling certain numbers of each type of candle during this promotion. Decide on
the constraints for the numbers of candles made for the sale and explain your reasoning for these constraints.
Graph the feasible region and find maximum and minimum profits.
Answers
on solving the provided question, we can say that by equation we Consequently, he will sell 16 automobiles at this price.
Equation: What is it?A number, a variable, or a mix of both, combined with certain operation symbols, make up an expression. An equal sign is used to denote the separation of two expressions in an equation.
Here,
Given: Number of cars sell in a day = 12
Price of a car =\($23,000\)
For each $300 price reduction dealer can sell two more cars per day.
Solution: Let there be x unit 300 price reduction
2x unit increase in sale of car
\(|R(x)=(15000-300x)(12+2x)\)
Cost
\(|C(x)=1000+12000 (12+2x)\)
Profit
\(|P(x)=(15000-300x)(12+2x)-1000+12000 (12+2x)\\15000(12+2x)–12000 (12+2x)-300x(12+2x)-1000\\=180000-144000+30000x-24000x -3600x -600-1000\\=36000+2400x-600 = P'(x)=-1200x +2400 = P"(x)=-1200\)
For critical points
\(P'(x)=0= -1200x + 2400=0= x=2\)
Since P"(x) <0at x = 2it is max profit 12+2x=12+2(2)=16
16cars per day he will sell
\(Price = 15000-300*16 = $10200\)
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Mai's class volunteered to clean a park with an area of square mile. Before they took a lunch break, the class had cleaned of the park. How many square miles had they cleaned before lunch?
Answers
The class had cleaned x × A square miles before lunch.
Let's assume that the area of the park is A square miles, and the portion of the park cleaned by Mai's class before the lunch break is represented by x (a fraction or decimal between 0 and 1).
If the class had cleaned x portion of the park, then the area they had cleaned is x times the total area of the park:
Area cleaned before lunch = x × A
Since x represents a fraction or decimal, multiplying it by the total area A gives us the corresponding portion of the park that was cleaned.
Let's say the park has an area of A square miles, and the area that Mai's class cleaned up before lunch is denoted by the number x (a fraction or decimal between 0 and 1).
If the class had cleaned a certain percentage of the park, their cleaned area would be x times the park's overall area:
Before lunch, the area was cleaned = x A
We may calculate the proportion of the park that was cleaned by multiplying x by the entire area A because it indicates a fraction or decimal.
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I need help , any of u guys have the answer?
Answers
(x to the power of 2+1)+(5-x)
first, u keep x to the power of two because there are no like terms, and then you combine the like terms 1 and 5 to get 6, then you subtract x
therefore, the answer is x squared minus x plus 6
The measure of one angle of a right triangle is 26°. Find the measure of the other angle.
Enter an integer or decimal number [more...]
Question Help:
Post to forum
Calculator
Answers
Answer:
64°
Step-by-step explanation:
the sum of the 3 angles in a triangle = 180°
let the third angle be x , then
x + 90° + 26° = 180°
x + 116° = 180° ( subtract 116° from both sides )
x = 64°
the other angle is 64°
I need help I haven’t been here a week and I don’t understand my homework
Solve either
Answers
Answer: you need to add
Step-by-step explanation: I would ask your teacher to help you understand the lesson.
Will give brainliest if right
Answers
Answer:
< underscore
Step-by-step explanation:
Answer: its this one < with a line under it. because the sign gets flipped.
John bought 75kg of chocolate. He packed the chocolate equally in 7 bags. How much chocolate did he pack in each bag?
Answers
Answer: 10.7142857kg in each bag
Step-by-step explanation: If you divide 75 by 7 you would get 10.7142857. There fore there is about 10.7142857kg of chocolate in each bag.
Hey good morning I need help ASAP thank you guys
Answers
Answer:
A 59
Step-by-step explanation:
Higher sample size is generally always more accurate
Given the data below are the number of students in each age group.
Ages Number of students
15-18 9
19-22 8
23-26 2
27-30 5
31-34 7
35-38 3
Based on the frequency distribution above, find the cumulative frequency for the class with lower class limit 31.
Answers
The distance between two towns on that map is 6cm, therefore in reality there’s 6 * 50 000 = 300 000 centimetres, which is equal to 3 000 metres, which is equal to 3 kilometres.
State where in the ty-plane the hypotheses of the Existence and Uniqueness Theorem are satisfied for the equation y'=(ycot(2t))/(t^2+y^2+1)
Answers
We can conclude that the hypotheses of the Existence and Uniqueness Theorem are satisfied in any rectangular region in the ty-plane that does not contain the curve t² + y² = -1.
Where in the ty-plane the hypotheses of the existence and uniqueness theorem are satisfiedThe Existence and Uniqueness Theorem for first-order ordinary differential equations states that if a differential equation of the form y' = f(t, y) satisfies the following conditions in some rectangular region in the ty-plane:
1. f(t, y) is continuous in the region.
2. f(t, y) satisfies a Lipschitz condition in y in the region, i.e., there exists a constant L > 0 such that |f(t, y₁) - f(t, y₂)| ≤ L|y₁ - y₂| for all t and y₁, y₂ in the region.
then there exists a unique solution to the differential equation that passes through any point in the region.
In the case of the differential equation y' = (y cot(2t)) / (t² + y² + 1), we have:
f(t, y) = (y cot(2t)) / (t² + y² + 1)
This function is continuous everywhere except at the points where t² + y² + 1 = 0, which is the curve t² + y² = -1 in the ty-plane. Since this curve is not included in any rectangular region, we can say that f(t, y) is continuous in any rectangular region in the ty-plane.
To check if f(t, y) satisfies a Lipschitz condition in y, we can take the partial derivative of f with respect to y and check if it is bounded in any rectangular region. We have:
∂f/∂y = cot(2t) / (t² + y² + 1) - (2y² cot(2t)) / (t² + y² + 1)²
Taking the absolute value and simplifying, we get:
|∂f/∂y| = |cot(2t) / (t² + y² + 1) - (2y² cot(2t)) / (t² + y² + 1)²|
= |cot(2t) / (t² + y² + 1)| * |1 - (2y² / (t² + y² + 1)))|
Since 0 ≤ (2y² / (t² + y² + 1)) ≤ 1 for all t and y, we have:
1/2 ≤ |1 - (2y² / (t² + y² + 1)))| ≤ 1
Also, cot(2t) is bounded in any rectangular region that does not contain the points where cot(2t) is undefined (i.e., where t = (k + 1/2)π for some integer k). Therefore, we can find a constant L > 0 such that |∂f/∂y| ≤ L for all t and y in any rectangular region that does not contain the curve t² + y² = -1.
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ANSWER ASAPPP I NEED IT!
Answers
Answer:a
Step-by-step explanation:
Answer:
Step-by-step explanation:
It is a A
lve for m.
-3 + m
9 = 10
A.
-30
B.
63
C.
87
D.
93
Answers
The value of m that satisfies the equation -3 + m = 9 is m = 12.
To solve the equation -3 + m = 9, we can isolate the variable m by moving the constant term -3 to the other side of the equation.
-3 + m = 9
To move -3 to the other side, we can add 3 to both sides of the equation:
-3 + 3 + m = 9 + 3
Simplifying, we have:
m = 12
Therefore, the value of m that satisfies the equation -3 + m = 9 is m = 12.
None of the provided answer options (A, B, C, D) match the correct solution.
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What happens to the range when functions are transformed by moving up and down? What happens if it moves left to right
Answers
The range of a function is the set of all possible outputs of the function. When a function is transformed, either vertically or horizontally, the range of the function is also affected.
What happens to the range when functions are transformed by moving up and down?When a function is transformed by moving it up or down, the minimum and maximum values of the range change, and the overall shape of the function is unchanged. If the function is moved up, the minimum value of the range increases, and the maximum value increases as well. On the other hand, if the function is moved down, the minimum value decreases and the maximum value decreases as well. In both cases, the distance between the minimum and maximum values remains the same.
What happens if it moves left to rightWhen a function is transformed by moving it left or right, the shape of the function is changed, but the minimum and maximum values remain unchanged. If the function is moved left, the graph of the function will be compressed towards the vertical axis, making it narrower. On the other hand, if the function is moved right, the graph will be stretched out and become wider.
In both cases, the range remains unchanged, as the minimum and maximum values are determined by the shape of the function and not by its position. Moving the function horizontally does not affect the set of possible outputs, only the relationship between inputs and outputs.
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The points L(0, 5), M (-7, 1), N(-9, -5), and O(-2, -1) form quadrilateral
LMNO. Plot the points then click the "Graph Quadrilateral" button
Answers
Point d is at (5, -5), which is five units to the right of the origin on the x-axis and five units below the origin on the y-axis. Similarly, point e is at (7, 3), point f is at (-1, 5), and point G is at (-3, -3).
The given points, d (5, -5), e (7, 3), f (-1, 5), and G (-3, -3) form quadrilateral DEFG. To plot these points, we can first draw the x and y axes on a graph paper.
Then, we can plot each point by locating its x-coordinate on the x-axis and its y-coordinate on the y-axis.
After plotting the points, we can click on the "Graph Quadrilateral" button to see the quadrilateral DEFG. It should be a closed shape with four sides, connecting the four points in the given order.
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How many square feet of outdoor carpet will we need for this hole?
Answers
Answer:
36 square feet
Step by step explanation:
hope this helps!
The transformations to the parent function of a quadratic equation are given below. write an equation of the new function in vertex form
Answers
Answer:
11.f(x)=^2-3Step-by-step explanation:
12.And slide everything five units down. So a over here that's negative three negative one. So if we slide at five you just down we go one two three four five and get here.Hope it helps
Using the central limit theorem, what is the (shape of) distribution of sample means when the population distribution is:
rectangular
uniform
normal
positively skewed
nonmodal
multimodal
negatively skewed
(Privitera, 2019, p. 186, #19)
Answers
The central limit theorem states that the distribution of sample means approaches a normal distribution as the sample size increases, regardless of the shape of the population distribution.
what is normal distribution?
A normal distribution is a bell-shaped probability distribution that is symmetrical and characterized by its mean (μ) and standard deviation (σ). It is also known as a Gaussian distribution, after the mathematician Carl Friedrich Gauss.
However, for smaller sample sizes, the distribution of sample means may still resemble the shape of the population distribution.
Here are some more specific descriptions of the distribution of sample means for different population distributions:
1. Rectangular distribution: The distribution of sample means will approach a normal distribution as the sample size increases, with the mean and median at the center of the distribution.
2. Uniform distribution: The distribution of sample means will also approach a normal distribution as the sample size increases, with the mean at the center of the distribution.
3. Normal distribution: The distribution of sample means will be a normal distribution regardless of sample size, with the mean and median at the center of the distribution.
4. Positively skewed distribution: The distribution of sample means will approach a normal distribution as the sample size increases, but the mean will be higher than the median.
5. Nonmodal distribution: The distribution of sample means will approach a normal distribution as the sample size increases, but the exact shape will depend on the specifics of the nonmodal distribution.
6. Multimodal distribution: The distribution of sample means will also approach a normal distribution as the sample size increases, but the exact shape will depend on the specifics of the multimodal distribution.
7. Negatively skewed distribution: The distribution of sample means will approach a normal distribution as the sample size increases, but the mean will be lower than the median.
Therefore, central limit theorem states that the distribution of sample means approaches a normal distribution as the sample size increases, regardless of the shape of the population distribution.
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points frreeeeeeeeeeeee :)
Answers
Answer:
thx m8
Step-by-step explanation:
:)
Answer:
No idea but ok
In a hotel a servant needs to clean 30 rooms in 3 hours. How many rooms a servant needs to clean in 6 hours
Answers
Answer: 60 rooms
Step-by-step explanation:
because in 30 rooms is 3 hour + other 3 hour are 60 rooms. =60 rooms
In electronics, the formula V = IR is called Ohm's Law. It gives the relationship in a circuit between the voltage V (in volts), the current I (in amperes), and the resistance R (in ohms). Find R when I = 2 − 3i amperes and V = 34 + i volts.
Answers
Answer:
R = 5 + 8i (Ohm)
Step-by-step explanation:
R = V/I
= (34 + i)/(2 - 3i)
= 5 + 8i (Ohm)
Help please geometry
Answers
The area of the shaded region = 30.903 in²
From the attached figure we can observe that the radius of the circle R is r = 6 in.
Using the forula for the area of circle, the area of circle R would be,
A₁ = πr²
A₁ = π × 6²
A₁ = 36π
A₁ = 113.097 in²
So, the diameter would be d = 6 × 2 = 12 in.
The circle R is inscribed in a square.
So, the side length of square is equal to the diameter of the circle.
This means the side length 'a' os square = 12 in.
Using the formula of the area of square,
A₂ = side²
A₂ = a²
A₂ = 12²
A₂ = 144 in²
so, the area of the shaded region would be,
A = A₂ - A₁
A = 144 -113.097
A = 30.903 in²
This is the required area.
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PLEASE HELP
ALL LINKS WILL BE REPORTED
Answers
Answer: i think the answer C
Step-by-step explanation:
The coldest temperature
recorded in Buffalo was-39°F. This was 12°F
warmer than the coldest temperature recorded
in Chicago. Which equation can be used to find
the coldest temperature recorded in Chicago?
What is the coldest temperature recorded in
Chicago?
A. C-12-39; -51°
B. C+12=-39; -27°
C. C-12-39; -27°
D. C+12=-39; -51°
Answers
Based on the coldest temperature in Buffalo and the difference in the temperature of Chicago, the equation that can be used to find the coldest temperature in Chicago is C. C - 12 = -39; -27°
What is the temperature at its coldest in Chicago?When temperatures are warmer, it means that they are higher. This means that to find the coldest temperature in Chicago, you need to add 12°F to the temperature of Buffalo.
The formula would therefore be:
C = -39 + 12
Making the Buffalo temperature the subject gives;
C - 12 = -39
The coldest temperature in Chicago is:
= -39 + 12
= -27°F
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A TV has a listed price of $686.99 before tax. If the sales tax rate is 6.25%, find the total cost of the TV with sales tax included.
Round your answer to the nearest cent, as necessary.
Answers
Answer:
$729.93
Step-by-step explanation:
686.99 x .0625 = 42.94
42.94 is the tax which must be added to the tv list price to get the total:
686.99 + 42.94 = 729.93
13 1/3% as a fraction
Answers
Answer:
1,333/100
Step-by-step explanation:
The reason is because a fraction can be divided. A fraction is out of a hundred. 13 by itself is equal to 1300/1000 by itself.
simplify -5 + 3d + 6 - 4d
Answers
-5+3d+6-4d
anwers is 12/-30
Data was collected from a simple random sample of 200 cell phone users age 18 or older in the United States. Each user was categorized by age-group and by whether he or she uses a certain cell phone app. The table shown summarizes the data, with expected cell counts in parentheses.
Uses Cell Phone App
Yes No Total
Age-Group Young Adults 4 (15.2) 76 (64.8) 80
Older Adults 29 (19.38) 73 (82.62) 102
Elderly Adults 5 (3.42) 13 (14.58) 18
Total 38 162 200
Which statement is true about whether the conditions for a chi-square test for independence have been met?
A. All necessary conditions are satisfied to apply a chi-square test for independence between age group and texting use by cell phone users.
B. The data from the different age groups are not the result of independent random samples; therefore, the conditions for the test are not met
C. The total sample size in one or more of the age-groups is too small to meet the conditions of the chi-square test for independence.
D. Not all of the observed cell counts are large enough to satisfy the conditions for the chi-square test for independence.
E. Not all of the expected cell counts are large enough to satisfy the conditions for the chi-square test for independence
Answers
Answer:
D
Step-by-step explanation:
i took it
Answer:
d
Step-by-step explanation:
my stats teacher went over it
The graph of a piecewise function is shown.
What is the range of the function?
Answers
Answer:
(c) (-∞, -2] ∪ (-1, ∞)
Step-by-step explanation:
You want the range of the piecewise function shown in the graph.
RangeThe range is the vertical extent of the graph, the set of possible output values of the function.
This graph shows a gap between y = -2 and y = -1. The value y = -2 is included in the range, but the value y = -1 is not. (That's what the open circle means.)
Hence, the range is ...
(-∞, -2] ∪ (-1, ∞)
In circle K with m/JKL = 74° and JK = 4, find the area of sector
JKL. Round to the nearest hundredth.
Answers
Answer:
10.33 square units
Step-by-step explanation:
Area of the sector:
∠JKL = Ф= 74°
JK = r = 4
\(\boxed{\text{\bf Area of sector = $ \dfrac{\theta}{360}\pi r^2$}}\)
Ф is the central angle of the sector.
r is the radius
\(\sf Area \ of \ the \ sector = \dfrac{74}{360}*3.14*4*4\)
= 10.33 square units
If triangles ABC and DEF are similar, what is y? Show your work.
Answers
The value of y is 18
What are similar triangles?Similar triangles have the same corresponding angle measures and proportional side lengths. The angles of the two triangle must be equal and it not necessary they have equal sides.
Therefore the corresponding angles of similar triangles are congruent and the ratio of corresponding sides of similar triangles are equal.
Therefore;
14/21 = 12/y
14y = 21 × 12
14y = 252
divide both sides by 14
y = 252/14
y = 18
Therefore the value of y is 18.
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