4(2v+6)=[?]v+[ ]

what is the questionmark

Answer:

N'(9, -1)

Step-by-step explanation:

N(-5, -1)

Point N has x-coordinate -5. It is 5 units to the left of the the y-axis, and another 2 units away from the line x = 2. That makes point N 7 units to the left of the line x = 2. 7 units to the right of line x = 2, the x-coordinate is 2 + 7 = 9.

Answer: N'(9, -1)

x = 2 is a vertical line then the abscissa will change only at the same distance. Then the point N is (9, -1)

It is the image of the point which is located in the opposite direction of a given point.

The vertices of figure KLMN are K(-2, -1), L(-2, -3), M(-5, -3), and N(-5, -1).

If figure KLMN is reflected across the line x = 2, then the coordinate of N will be

Here x = 2 is a vertical line then the abscissa will change only at the same distance.

The distance of the point from the line is 7 units.

Then the coordinate of N will be

N(9, -1)

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Answer:

A

C

B

Step-by-step explanation:

A) All the corners of the square touch the edge of the circle
B) Only 1 side of the square touches the circle so it forms a chord.

C) The circle is inside the square so the sides of the square form tangents (Perpendicular lines to the radius).

Answer:

Equation 5 + 2(3 + 2x) = x + 3(x + 1) has no solution.

Step-by-step explanation:

We are looking at two lines.

4(x + 3) + 2x = 6(x +2)

4x + 12 + 2x = 6x + 12

6x + 12 = 6x + 12

These are two identical lines, with an infinite number of solutions. (All points on the lines are the exactly the same).

5 + 2(3 + 2x) = x + 3(x + 1)

5 + 6 + 4x = x + 3x + 3

4x + 11 = 4x + 3

Both lines have the same gradient but have a different incline with the y axis. By definition, they are parallel to each other and there fore have zero solutions. Equation 5 + 2(3 + 2x) = x + 3(x + 1) has no solution, which is the answer we are looking for.

5(x + 3) + x = 4(x +3) + 3

5x + 15 + x = 4x + 12 + 3

6x + 15 = 4x + 15

These are two different lines with exactly one solution.

4 + 6(2 + x) = 2(3x + 8)

4 + 12 + 6x = 6x + 16

6x + 16 = 6x + 16

These are two identical lines, with an infinite number of solutions. (All points on the lines are the exactly the same).

Answer:

5/8 x 2 = 10/8 as simplified as 5/4 in fraction form.

5/8 x 2 = 1.25

in decimal form.

Step-by-step explanation:

The solution of the fraction is,

⇒ 5 / 4

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

The fraction is,

⇒ 2 × 5/8

Now, We can simplify as;

The fraction is,

⇒ 2 × 5/8

Multiply as;

⇒ 10 / 8

⇒ 5 / 4

Thus, The solution of the fraction is,

⇒ 5 / 4

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Answer:

1) The store selling for 1.1 per 3 lbs

2) $6.24

Step-by-step explanation:

1)

1.1/3 = 0.37

0.78/2 = 0.39

0.37 is cheaper so it's a better deal

2)

\(\frac{0.78}{3} =\frac{x}{24} \\\\3x=18.72\\x=6.24\)

Answer:

1.10 for 3 is the better deal.  It will cost $6.24 for the pencils.

Step-by-step explanation:

Do two separate problems but find how much it is for 1 carrot.  So the first is:$1.10 divided by 3 carrots = .366 or 37 cents per carrot.

The second one is: .78 divided by 2 carrots = .39 cents per carrot.

If you break 24 students into groups of 3, that would be 8 groups. 24 divided by 3 = 8.  

8 sets of 3 pencils is .78 x 8 = $6.24

Yes, the set of temperatures recorded by Mimi during the week contains one extreme value, which is 62 degrees Fahrenheit. An extreme value, also known as an outlier, is a data point that significantly deviates from the rest of the dataset.

In this case, the temperature of 62 degrees Fahrenheit is notably lower compared to the other recorded temperatures, which range from 91 to 96 degrees Fahrenheit.

Extreme values can occur due to various reasons, such as measurement errors, equipment malfunctions, or unusual weather conditions. It is important to identify and acknowledge extreme values because they can have a significant impact on data analysis and statistical calculations. In some cases, extreme values may be excluded or treated separately to avoid skewing the overall analysis or summary measures.

Therefore, when analyzing the temperatures recorded by Mimi during that week, it's important to consider the presence of the extreme value of 62 degrees Fahrenheit and assess its potential impact on any subsequent analysis or conclusions drawn from the dataset.

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Answer:

it's 2910 an answer ?

Step-by-step explanation:

110×11 = 1210

Question:

You rent an apartment that costs $1700 per month during the first year, but the rent is set to go up $110 per year. What would be the monthly rent during the 11th year of living in the apartment?

Answer:

Arithmetic Sequence: d=110 or a11 = 2800

Step-by-step explanation:

Write out the first 3 terms:

a 1 = 1700 ←rent in 1st year

a 2 =1810←rent in 2nd year

a 3 =1920←rent in 3rd year

​Arithmetic Sequence: d=110

Explicit Formula:

an=a 1+(n−1)d

a 11 =1700+(11−1)(110)1700+(11−1)(110)

a11=2800

The statement "you should never buy a product from a good salesman" is a subjective statement and cannot be answered as true or false universally.

It depends on various factors such as the product being sold, the sales tactics used by the salesman, and the individual's personal preferences and needs. A good salesman may provide useful information about the product and help the individual make an informed decision, while a bad salesman may use deceitful tactics to pressure the individual into buying something they don't need.

Therefore, it is important to evaluate each situation individually and make a decision based on the specific circumstances.

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there are approximately 162.68 calories in 261.5 grams of cereal

A percentage is a statement indicating the equality of two ratios or fractions. It is a way to compare two quantities by expressing the relationship between them in the form of an equation. In a proportion, the first ratio is often called the "means" and the second ratio is called the "extremes."

Calories per gram = 110 / 177.4

Calories in 261.5 grams = (Calories per gram) x 261.5

Substituting the value of Calories per gram, we get:

Calories in 261.5 grams = (110 / 177.4) x 261.5

Simplifying this expression gives us:

Calories in 261.5 grams = 162.68

Therefore, there are approximately 162.68 calories in 261.5 grams of cereal.

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Answer:

2.08 this is answer

Answer: g/15 = 3 ; g = 45 gifts.

Step-by-step explanation: You would basically have to multiply 15 by 3, and it equal 45. This answer choice shows an equation that will make the answer 45, so it is right.

g/15 will equal 3.

Then, you would break them apart and do the denominator (15) multiplied by the numerator (3).

This will get you the answer 45.

So, you will get the answer choice A.

Answer:

Step-by-step explanation:

y - 8 > -20

y > -12

If the provided SHA hash value is different from the one I calculated, it indicates that there has been a modification or alteration in the data or the process used to calculate the hash.

This inconsistency raises concerns about data integrity and the authenticity of the information.

SHA (Secure Hash Algorithm) is a cryptographic hash function that generates a unique hash value for a given input. It is designed to be highly sensitive to any changes in the input data, meaning even a small alteration in the data will result in a completely different hash value. Therefore, if the provided SHA hash value differs from the one I calculated, it suggests that either the input data has been tampered with, or there is an error in the hash calculation process.

In such a situation, it is important to investigate the cause of the discrepancy and determine the source of the error. It could be due to accidental data corruption, intentional tampering, or an error in the hash calculation algorithm or implementation. Validating the integrity of the data becomes crucial to ensure the accuracy and trustworthiness of the information.

To resolve the issue, a comparison of the original and modified data should be conducted, and the hash calculation process should be carefully reviewed. It is also advisable to verify the integrity of the data through other means, such as using digital signatures or checksums, to detect any unauthorized modifications.

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Answer:

\(3\frac{1}{3}\) or \(\frac{10}{3}\)

Step-by-step explanation:

We could use the combined rate equation to find the combined rate of work.

Combined rate of work formula: \(\frac{1}{t_{b}} = \frac{1}{t_{1} } + \frac{1}{t_{2} }\), where \(t_{1}\) is the individual time for object A, \(t_{2}\) the individual time for object B and \(t_{b}\) is the time for A and B together.

The time it takes Irina to paint the room alone, \(t_{1}\) = 5 hours

The time it takes Paulo to paint the room, \(t_{2}\) = 10 hours

1) Substitute object A (Irina) and B (Paulo) into the formula given above, and change \(t_{b}\) into an \(x\).

\(\frac{1}{{x}} = \frac{1}{5 } + \frac{1}{10 }\)

2) Add the fractions.

\(\frac{1}{x} = \frac{3}{10}\)

3) Solve for the \(x\).

\(x(3) = 1(10)\\3x = 10\\x = \frac{10}{3} \\\)

4) Change them into a mixed fraction.

\(3\frac{1}{3}\)

Note: \(\frac{10}{3}\) or \(3\frac{1}{3}\) are both correct. Write the answer according to the question. In this case, there is no specific rule, so I choose \(3\frac{1}{3}\).

Answer:

The solution is x = + 0.77 , -0.77

Step-by-step explanation:

The equation is

\(x^3 - 3x^2 - 4 = \frac{1}{x} -1 +5\\x^4 -3x^3 -4x = 1-4x\\x^4 - 3x^3 = 1\\x^3 (x-3) = 1\\\\x^4 -3x^3 -1 = 0\\x^4 -3x^3 -1\)

The solutions to the equation is

x = + 0.77 , -0.77

Answer:

0.91 and 3.69

Step-by-step explanation:

Answer:

Linear equation with a slope of 2 that goes through the point (3, 4) is \(y = 2\cdot x -2\).

Step-by-step explanation:

From statement we know the slope of the line and a point contained in it. Using the slope-point equation of the line is the quickest approach to determine the appropriate equation, whose expression is:

\(y-y_{o} = m \cdot (x-x_{o})\)

Where:

\(m\) - Slope, dimensionless.

\(x_{o}\), \(y_{o}\) - Components of given point, dimensionless.

\(x\), \(y\) - Independent and dependent variable, dimensionless.

If we know that \(m = 2\), \(x_{o} = 3\) and \(y_{o} = 4\), the linear equation is found after algebraic handling:

1) \(y-4 = 2\cdot (x-3)\) Given

2) \(y = 2\cdot (x-3) +4\) Compatibility with Addition/Existence of Additive Inverse/Modulative Property

3) \(y = 2\cdot x -2\) Distributive Property/\((-a)\cdot b = -a\cdot b\)/Definition of sum/Result

Linear equation with a slope of 2 that goes through the point (3, 4) is \(y = 2\cdot x -2\).

Answer:

For, -3 |2x + 6| = -12 the value of x = -1 and - 5

Correct option is: x = -1 and x = -5. This can be solved using the concept of equation.

Equations simultaneously, or a system of equations Multiple equations in algebra must be solved simultaneously. There must be an equal number of equations and unknowns for a system to have a singular solution. When two or more equations use the same variables, they are said to be in a system of equations. Graphing, substitution, and elimination are the three techniques used to solve systems of equations.

-3 |2x + 6| = -12

or, 2x + 6 = 4

or, 2x + 6 = ± 4

or, 2x + 6 = 4

or, 2x = -2

or, x = -1

on the other hand,

2x + 6 = -4

or, 2x = - 10

or, x = -5

So, the value of x = -1, and -5

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Answer: B

Step-by-step explanation:

2/3 x 2/1 =4/3

The equation, in the form p = acos(bt) + c, for the percentage of the moon's surface that is visible as a function of the number of days, t, since the moon was full is p = 25% * cos((π / 14) * t) + 25%

To determine the equation for the percentage of the moon's surface that is visible, we can start by analyzing the given information.

We are given that the moon passes through a full cycle in 28 days. This means that at the time of a full moon, the percentage of the moon's surface that is visible is at its maximum, which is 50%.

Let's break down the problem and find the equation in the form p = acos(bt) + c:

At the time of a full moon (t = 0), the percentage of the moon's surface that is visible is 50%. So, when t = 0, p = 50%.

We know that the maximum value of p is 50%, which corresponds to a full moon. This means that the amplitude, a, is half of the maximum value, so a = 50% / 2 = 25%.

The period of the moon's cycle is 28 days. The period is given by the formula T = 2π / |b|, where T is the period and b is the coefficient of t in the equation. In this case, T = 28 days. Solving for b:

T = 2π / |b|

28 = 2π / |b|

|b| = 2π / 28

b = ± 2π / 28

Since the moon's cycle is positive (from full moon to full moon), we take the positive value of b:

b = 2π / 28 = π / 14

Now, we need to find the value of c. We know that when t = 0, p = 50%. Plugging these values into the equation:

50% = a * cos(b * 0) + c

50% = a * cos(0) + c

50% = a + c

c = 50% - a

c = 50% - 25% = 25%

Therefore, the equation, in the form p = acos(bt) + c, for the percentage of the moon's surface that is visible as a function of the number of days, t, since the moon was full is:

p = 25% * cos((π / 14) * t) + 25%

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This is because the number of pounds can take on an infinite number of values within a range.

The following table shows a series of experiments and associated random variables:ExperimentRandom Variable (x)Values

Continuous or Discrete

a. Take a 15-question examinationNumber of questions answered correctlyDiscreteb. Observe cars arriving at a tollbooth for 1 hourNumber of cars arriving at tollboothDiscretec. Audit 50 tax returnsNumber of returns containing errorsDiscreted. Observe an employee's workNumber of nonproductive hours in a nine-hour workdayDiscretee. Weigh a shipment of goodsNumber of poundsContinuous

The random variable in experiment a is discrete. This is because the number of questions answered correctly can only take on a finite number of values.The random variable in experiment b is also discrete. This is because the number of cars arriving at the tollbooth can only take on a finite number of values.The random variable in experiment c is also discrete. This is because the number of returns containing errors can only take on a finite number of values.The random variable in experiment d is discrete. This is because the number of nonproductive hours in a nine-hour workday can only take on a finite number of values.The random variable in experiment e is continuous.

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Answer:

3/8

Step-by-step explanation:

hope this works for you :)

Answer:

the answer is 3/8

Step-by-step explanation:

5/8 + 3/8 = 1

The total number of square yards of rubber surface that the group needs to cover the playground is 1600 square yards.

The group planning to build a playground has the coordinate points given below:

They are using a rubber base to cover the surface of the playground. The length of one side of the square is 40 units.

To determine the area of the playground, we need to calculate the total number of squares.

We'll calculate the total area using the formula:

Total area = (Total number of squares) x (Area of each square)

Area of each square = 1 square yard

Total number of squares = (Length of side)^2

Total number of squares = (40)^2

Total number of squares = 1600

Now, we will put this in the formula for calculating the total area.

Total area = (Total number of squares) x (Area of each square)

Total area = 1600 x 1

Total area = 1600 square yards

Therefore, the total number of square yards of rubber surface that the group needs to cover the playground is 1600 square yards.

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Answer:

m∠5 = 54

Step-by-step explanation:

m∠1 + 126 = 180

m∠1 = 54

m∠1 = m∠5

m∠5 = 54

Answer:

5.25 miles per hour

Answer:

5.25 mph

Step-by-step explanation:

Using the Poisson distribution, the probability of an earthquake in the 0.8-0.9 magnitude range sometime in the next 30 years is

1 - 1.9287 x 10⁻²².

It is given that mean recurrence of an earthquake is the 8.0-9.0 magnitude is approximately 1500 years.

We have to find the probability of an earthquake in this magnitude range sometime in the next 30 years.

Since, an occurrence of an earthquake is a rare event, we can use Poisson distribution here.

Poisson distribution gives the probability of occurrence of any event in a given time interval.

Let the average number of event per year in 30 years of period is λ.

\(\lambda = \frac{1500}{30}\)

λ = 50

Let, the occurrence of an earthquake is a random variable x.

Then the probability that at least an earthquake occur in next 30 years is calculated as:

P(x ≥ 1) = 1 - P(x<1)

P(x ≥ 1) = 1- P(x=0)   -----(1)

PDF of Poisson distribution with parameter λ is given as:

\(P(X = x) = \dfrac{e^{-\lambda}{\lambda}^x}{x!}\)

So, in this case

\(P(x=0)= \dfrac{e^{-50}{(50)}^0}{0!}\)

\(P(x=0)= \dfrac{1.9287 \times 10^{-22}}{1}\)

\(P(x=0)={1.9287 \times 10^{-22}\)

Substitute this value in equation (1)

P(x ≥ 1) = 1 - 1.9287 x 10⁻²²

Hence, the probability of an earthquake in next 30 years is

1 - 1.9287 x 10⁻²².

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