Can someone help with these geometry questions? I gotta have answers fast, it’s urgent:(

The answer is no, and the below explanation is given with a counter-example.

An integer is a number that includes both negative and positive numbers, including zero. It has no decimal or fractional parts. Here are a few examples of integers: -5, 0, 1, 5, 8, 97, and 3,043

P(n) is a condition that is true for P(0), P(1), and P(2), but P(3k) is true when P(k) is true for all numbers k0.

P(n) is thus not always true for all nonnegative integers n because 4 is not a multiple of 3.

For example, consider the property P(n): "n is 0 or 1, or n is a multiple of 3." Then P(0), P(1), and P(2) are trivially true, however, P(3k) is true for all numbers k because 3k is a multiple of 3. However, P(4) is false because 4 is not a multiple of 3.

As a result, no.

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The complete question is:

"Suppose P(n) is a property such that 1. P(0), P(1), P(2) are all true, 2. for all integers k≥0, if P(k) is true, then P(3k) is true. Must it follow that P(n) is true for all integers n≥0?

If yes, explain why; if no, give a counterexample".

Answer:

C.Tammy’s estimate is right, but the actual product should be 24.78.

Step-by-step explanation:

i took the assessment! thank you for your attention and i hope i helped!!

Answer:

the answer is C which is Tammy’s estimate is right, but the actual product should be 24.78.

Step-by-step explanation:

Answer:

11/9 and 3/5

Step-by-step explanation:

1st equation:  3n/5 = 11/15

multiply each side by 5/3 to get:

n = 55/45 or 11/9

2nd equation:  11n/9 = 11/15

multiply each side by 9/11 to get:

n = 99/165 which reduces to 3/5

Answer:

The team scored 7 points a game

Step-by-step explanation:

Answer: n = 4

Step-by-step explanation:

1. Distribute on the right side of the equation

-2(1-7n) = -2 + 14n

2. Subtract 5n from each side

5n + 34 = -2 + 14n

34 = -2 + 9n

3. Add 2 to each side

34 = -2 + 9n

36 = 9n

4. Divide each side by 9 to isolate the variable n

36 = 9n

4 = n

Answer:

4

Step-by-step explanation:

i did the test

The values of a and b that make the piecewise defined function f(x) = 3x + 4, for x < -3, and f(x) = 2x^2 + ax + b, for x > -3, both continuous and differentiable everywhere are a = 6 and b = 9.

To ensure that the piecewise defined function is continuous at the point where x = -3, we need the left-hand limit and right-hand limit to be equal. The left-hand limit is given by the expression 3x + 4 as x approaches -3, which evaluates to 3(-3) + 4 = -5.

On the right-hand side of the function, when x > -3, we have the expression 2x^2 + ax + b. To find the value of a, we need the derivative of this expression to be continuous at x = -3. Taking the derivative, we get 4x + a. Evaluating it at x = -3, we have 4(-3) + a = -12 + a. To make this expression continuous, a must be equal to 6.

Next, we find the value of b by considering the right-hand limit of the piecewise function as x approaches -3. Substituting x = -3 into the expression 2x^2 + ax + b, we get 2(-3)^2 + 6(-3) + b = 18 - 18 + b = b. To make the function continuous, b must equal 9.

Therefore, the values of a and b that make the piecewise defined function both continuous and differentiable everywhere are a = 6 and b = 9.

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In a normal distribution, about 95% of the distribution lies within two standard deviations of the mean.

Therefore, the correct answer is (d) 95% of the distribution.

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Answer:

Area= 2000 feet^2

Step-by-step explanation:

Know how to find the perimeter and the area of a rectangle

area=length*width

perimeter= 2*length + 2*width

Draw a rectangle

The question states that the pasture is 50 feet long

So the length of the rectangle pasture should be 50. We can label the 2 lengths of the rectangle to be 50 feet long

Since the farmer only has 160 feet of fence, we can say that because the pasture is a rectangle, we can label the width as 40 because 2*50+2*40=160

Now that we know the length and width, we can find the area by multiplying those 2 values together to get 2000

The 42 burgers are sold by Mrs. Garcia's class at $57.12 and 37 salad is sold by Mr. Runner’s class at $61.05.

A system of equation is the set of equation in which the finite set of equation is present for which the common solution is sought.

Mrs. Garcia’s class sold burgers for $1.36 each and Mr. Runner’s class sold salads for $1.65 each. Together, the classes sold 79 items and earned $118.17 for their school.

Let x burgers are sold by Mrs. Garcia's class and s salad is sold by Mr. Runner’s class. Together, the classes sold 79 items for their school. Thus,

\(x + s = 79\)            .....1

Mrs. Garcia’s class sold burgers for $1.36 each and Mr. Runner’s class sold salads for $1.65 each. Together, the classes earned $118.17 for their school. Thus,

\(1.36(x) + 1.65(s) = 118.17\\1.36x + 1.65s = 118.17\)             ....2

Rewrite the first equation,

\(x + s = 79 \\ x = 79-s\)             .....3

Put this value of x in equation 2,

\(1.36(79-s) + 1.65s = 118.17\\107.44-1.36s + 1.65s = 118.17\\0.29s=118.17-107.44\\s=\dfrac{10.73}{0.29}\\s=37\)

Put this value in equation 3,

\(x=79-37\\x=42\)

42 burgers are sold by Mrs. Garcia's class and 37 salad is sold by Mr. Runner’s class. Thus, Mrs. Garcia's class sold more items.

Money earned by Mrs. Garcia's class by selling 42 burger at $1.36 each is,

\(M_x=1.36\times42\\M_x=57.12\)

Money earned by Mr. Runner’s class by selling 37 salad at $1.65 each is,

\(M_s=1.65\times37\\M_s=61.05\)

Thus, Mr. Runner’s class earned more money.

Hence, the 42 burgers are sold by Mrs. Garcia's class at $57.12 and 37 salad is sold by Mr. Runner’s class at $61.05.

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Answer:

Notebook $1.25

Binder $3.20

Step-by-step explanation:

5n + 6b = 25.45

4n + 8b = 30.6

Multiply the first equation by -4.

Multiply the second equation by 5.

Add the equations.

-20n - 24b = -101.8

20n + 40b = 153

16b = 51.2

b = 3.2

5n + 6(3.2) = 25.45

5n + 19.2 = 25.45

5n = 6.25

n = 1.25

Answer:

Notebook $1.25

Binder $3.20

Answer:

only A ans bellow

Step-by-step explanation:

let k= -4

A. k * (k - 1) * ( k - 2)

= -4 * (-4 -1) * ( -4 -2)

= -4* (-5) * (-6)

= 20*-6

= -120

B. k * ( k+1)

= -4 * ( -4+1)

= -4 * (-3)

= + 12

C. k * (-50)

= -4 * (-50)

= + 200

D . (50 - k)

= 50 - (-4)

= 50 + 4

= + 54

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if k is negative then k(k-1)(k - 2) will be definitely negative.

A number system is defined as a system of writing to express numbers.

Given that k is a  negative integer.

We need to find which of the given options are defnitely negative.

Let us consider k as -3.

k(k-1)(k - 2)

-3(-3-1)(-3-2)

-3(-4)(-5)=-60

Which is negative.

k(k+1)=-3(-3+1)=6 +ve

k (-50)=-3(-50)=150 +ve

(50-k)​=50-(-3)=53 +ve.

Hence, if k is negative then k(k-1)(k - 2) will be definitely negative.

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Answer:

4. y = -x + 8

9. y = 3/2x + 15

16. y = 1/2x -5

20. y = -3/5x + 16

13. y = -1/2x + 1

14. y =  3/4x - 2

Step-by-step explanation:

4. 5=3(-1)+b = 8

9. 6=-6(3/2)+b=15

16. \(\frac{1--2}{12-6} =\frac{3}{6} = \frac{1}{2}\)

     -2= (1/2)6 + b = -5

20. \(\frac{19-13}{-5-5}= -\frac{6}{10} =-\frac{3}{5}\)

     19 = -3/5(-5) + b = 16

Answer:

hi

Step-by-step explanation:

The probability of guessing the correct answer for each question is 1/4, while the probability of guessing incorrectly is 3/4.

To calculate the probability of answering at most one correct answer, we need to consider two cases: answering zero correct answers and answering one correct answer.

For the case of answering zero correct answers, the probability can be calculated as (3/4)^5, as there are five independent attempts to answer incorrectly.

For the case of answering one correct answer, we have to consider the probability of guessing the correct answer on one question and incorrectly guessing the rest. Since there are five questions, the probability for this case is 5 * (1/4) * (3/4)^4.

To obtain the probability of answering at most one correct answer, we sum up the probabilities of the two cases:

Probability = (3/4)^5 + 5 * (1/4) * (3/4)^4.

Therefore, by calculating this expression, you can determine the probability of answering at most one correct answer among five questions when guessing randomly.

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Answer:

4y-13/5

Step-by-step explanation:

-

1/5(20y-13)
Use the distributive property to multiply 1/5 by 20y−13.

Result: 1/5*20y+1/5(-13)

Now, multiply 1/5 and 20 to get 20/5.

Result: 20/5y+1/5(-13)

Divide 20 by 5 to get 4.

Result: 4y+1/5(-13).

Multiply 1/5​ and −13 to get -13/5.

4y+-13/5

4y-13/5.

The answer for this equation is -2.69.

Given,

Equation, \(\sqrt{5}\) - 4x - 6 = 7

We have to find x using Order of Operations.

That is,

\(\sqrt{5}\) - 4x - 6 = 7

\(\sqrt{5}\) - 4x = 7 + 6

\(\sqrt{5}\) - 4x = 13

-4x = 13 - \(\sqrt{5}\)

-4x = 10.76

x = 10.76 / -4

x = -2.69

Therefore, the answer for the given equation \(\sqrt{5}\) - 4x - 6 = 7 is -2.69

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Answer:

the odds against Zahra climbing to the top are,

B. 4:1

Step-by-step explanation:

Since she has climbed 7 times in 28 attempts,

the probability of a successful climb is,

P = 7/28

P = 1/4

So, the odds against Zahra climbing to the top are 4:1

Answer:

  AA similarity postulate

Step-by-step explanation:

Triangles are similar if corresponding angles are congruent or if corresponding sides are proportional.

Here, the missing reason in the proof follows a step in which two angles are shown congruent. That means you can claim similarity by the AA similarity postulate.

__

Additional comment

The similarity postulates include ...

  AA -- two corresponding angles (the third angle is determined by these two)

  SSS -- three proportional corresponding sides

  AAS -- two congruent angles and a proportional corresponding side

  ASA -- a variation of AAS

  SAS -- proportional corresponding sides flanking a congruent angle

With the exception of AA, these are the same postulates as used to prove triangle congruence when the corresponding sides are congruent, rather than proportional.

Answer:

I would say that -6 is not included because in order for a function to be included it has to ≤ or ≥. It should be greater than and equal to. 4 is the correct answer because x ≤ 4.

Given: the three points are plotted on graph.

For the first point it is observed that,

For the x =3/2 the value is y=6/2

For second point ,

For x= 9/2 the y value is y=12/2

For the third point ,

For x= 15/2 the y value is y=18/2

According to obtained information it matched to option J)

Answer: Option J)

The claim that two situations are similar, despite major differences being ignored and only minor similarities being emphasized, is a fallacy known as false analogy.

False analogy is a logical fallacy that occurs when two situations are compared based on minor similarities while ignoring significant differences. It involves drawing an invalid or weak comparison between two unrelated or dissimilar things. In this fallacy, the person making the claim assumes that because two situations share some superficial similarities, they must be similar in all aspects. However, this overlooks the fundamental differences that make the situations distinct.

For example, if someone argues that banning the use of plastic bags in a city is similar to banning the use of cars, based solely on the fact that both involve restricting a common item, they would be committing a false analogy. While there may be minor similarities between the two situations, such as the concept of imposing restrictions, there are major differences in terms of environmental impact, necessity, and alternatives. Ignoring these significant differences leads to an invalid comparison and can result in flawed reasoning.

In conclusion, false analogy occurs when two situations are deemed similar based on minor similarities while disregarding major differences. It is essential to carefully evaluate the relevant factors and understand the nuances of each situation before drawing comparisons to ensure logical and valid arguments.

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Answer:

40 pensil

Step-by-step explanation:

Dari pertanyaan di atas, kita diberitahu bahwa:

Dita memiliki 10 kotak pensil

1 kotak pensil = 36 pensil

10 kotak pensil =

Cross Multiply

10 × 36 = 360 pensil.

Dari pertanyaan tersebut, kami diberitahu bahwa Dita memiliki 9 orang teman dan ia membagikan semua pensilnya secara merata kepada mereka di hari ulang tahunnya.

Jumlah pensil yang diterima setiap teman dihitung sebagai:

360 pensil ÷ 9 teman

= 40 pensil.

Oleh karena itu, setiap teman mendapat 40 buah pensil.

Answer:

fg(-2)=f(5×-2+4)=f(-6)=8-10×-6=8+60=68

If function  f(x) = 8 – 10x and g(x) = 5x + 4 then the value of (fg)(–2) is -168.

A relation is a function if it has only One y-value for each x-value.

f(x) = 8 – 10x and g(x) = 5x + 4

We have to find the value of (fg)(-2)

Let us find f(-2) =8-10(-2)

=8+20

=28

Now function g(-2) =5(-2)+4

=-10+4

=-6

(fg)(-2)=f(-2).g(-2)

=28×(-6)

=-168

Hence, if function  f(x) = 8 – 10x and g(x) = 5x + 4 then the value of (fg)(–2) is -168.

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Answer: sorry about earlier but hope this helps

Step-by-step explanation:

Hope this helps

Sorry if it looks sideways really sorry

The equation of an ellipse with x-intercepts at (4, 0) and (-4, 0), y-intercepts at (0, 9) and (0, -9), and center at (0, 0) is \($\frac{x^2}{16}+\frac{y^2}{81}=1$$\).

As per the given data the ellipse with x-intercepts at (4, 0) and (-4, 0), y-intercepts at (0, 9) and (0, -9), and center at (0, 0).

If the ellipse has its x-intercepts at points (4, 0) and (-4, 0) and y-intercepts at points (0, 9) and (0, -9), then it's symmetric across the y- axis and the x-axis.

The equation of an ellipse where the major axis 2a is greater than the minor 2b.

When 2b > 2a , then the equation becomes \($\frac{(y-h)^{2} }{b^{2} } + \frac{ (x-k)^{2} }{a^{2} } =1\)

Moreover h = 0 and k = 0 because the center is on the origin, so the equation becomes:

\($\frac{x^2}{a^2}+\frac{y^2}{b^2}=1\)

Moreover,

a = 4

b = 9

The equation of the such ellipse is

\($\frac{x^2}{a^2}+\frac{y^2}{b^2}=1\)

Hence, the equation of the ellipse is

\($\frac{x^2}{4^2}+\frac{y^2}{9^2}=1\)

\($\frac{x^2}{16}+\frac{y^2}{81}=1$$\)

Therefore the equation of an ellipse is  \($\frac{x^2}{16}+\frac{y^2}{81}=1$$\).

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Find the equation of the ellipse with the following properties. The ellipse with x-intercepts at (4, 0) and (-4, 0), y-intercepts at (0, 9) and (0, -9), and center at (0, 0).

Answer:

y = 5/9

Step-by-step explanation:

   To simplify the expression, isolate y. To isolate y, divide both sides by 2.

 \(\sf 2y =\dfrac{10}{9}\\\\\text{Divide both sides by 2,}\\\\y = \dfrac{10}{9*2}\\\\y=\dfrac{5}{9}\)

Answer:

x= 80

y= 77

180-23=157

80+77=157

157+23=180

After performing the calculations, the NPV for project U at a 10% cost of capital is $1,372.36 (rounded to 2 decimal places).To compute the NPV (Net Present Value) statistic for project U with a cost of capital of 10 percent, we follow these steps:

1. Identify the expected cash flows associated with the project. Let's assume these cash flows are -$10,000 in Year 0, $3,000 in Year 1, $4,000 in Year 2, and $6,000 in Year 3.

2. Determine the present value of each cash flow. To calculate the present value, we discount each cash flow by the appropriate discount rate (cost of capital). The discount rate for Year 0 is 10%, Year 1 is 10%, Year 2 is 10%, and Year 3 is 10%.

3. Sum up the present values of all the cash flows. In this case, it would be -$10,000/(1+0.10)^0 + $3,000/(1+0.10)^1 + $4,000/(1+0.10)^2 + $6,000/(1+0.10)^3.

4. Calculate the NPV by subtracting the initial investment from the sum of the present values. In this case, the NPV would be the sum of the present values minus the initial investment of -$10,000.

After performing the calculations, the NPV for project U at a 10% cost of capital is $1,372.36 (rounded to 2 decimal places).

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Answer: 46.8

Step-by-step explanation: