Please help me
what is the answer of this?​

Answer:

Step-by-step explanation:

32

The statement is false. The arc length of the curve defined by x = 4(3 + y)² on the interval [1, 4] is not approximately 131 units.

To find the arc length of a curve, we use the formula ∫ √(1 + (dx/dy)²) dy, where the integral is taken over the given interval.

In this case, the equation x = 4(3 + y)² represents a parabolic curve. By differentiating x with respect to y and substituting it into the arc length formula, we can calculate the exact arc length over the interval [1, 4].

However, it is clear that the arc length of the curve defined by x = 4(3 + y)² cannot be approximately 131 units, as this would require a specific calculation using the precise integral formula mentioned above.

Therefore, the statement is false, and without further calculations, we cannot determine the exact arc length of the given curve on the interval [1, 4].

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Answer:

the amount on your savings account ;

the amount of money in your piggy bank if you deposit the same amount each week (a bank account with regular deposits leads you to arithmetico-geometric sequences) ;

the size of a population in exponential growth, e.g. bacteria in a Petri dish (or in your leftovers if you find Petri dishes not "every day life" enough) ;

the intensity of radioactivity after n years of a given radioactive material (with application to determining the age of mommies!).

Step-by-step explanation:

since there is no graph it's a bit hard to answer this question, but I'll try. I can help solve the equation that represents the ratio of the two numbers:

(x + 1/2)/y = 1/3

This can be simplified to:

x + 1/2 = y/3

To graph this equation, you would need to plot points that satisfy the equation. One way to do this is to choose a value for y and solve for x. For example, if y = 6, then:

x + 1/2 = 6/3

x + 1/2 = 2

x = 2 - 1/2

x = 3/2

So one point on the graph would be (3/2, 6). You can choose different values for y and solve for x to get more points to plot on the graph. Once you have several points, you can connect them with a line to show the relationship between x and y.

(Like I said, it was a bit hard to answer this question, so I'm not 100℅ sure this is the correct answer, but if it is then I hoped it helped.)

Macy had 3 appointments.

Logan had 5 appointments.

What is the quadratic equation?

A quadratic equation is a type of polynomial equation of degree 2, which is written in the form of "ax^2 + bx + c = 0", where x is the variable and a, b, and c are constants. The solutions to a quadratic equation can be found using the quadratic formula: x = (-b ± √(b^2 - 4ac))/2a.

Part A:

Let x be the number of appointments Macy had.

We know that the total income (60x + 40) must equal 220.

Therefore, the equation representing the situation is:

60x + 40 = 220

To solve for x, we can subtract 40 from both sides:

60x = 180

Finally, we divide both sides by 60 to get:

x = 3

Macy had 3 appointments.

Part B:

Let y be the number of appointments Logan had.

We know that the total profit (70y + 50 - 20y) must equal 300.

Therefore, the equation representing the situation is:

50y + 50 = 300

To solve for y, we can subtract 50 from both sides:

50y = 250

Finally, we divide both sides by 50 to get:

y = 5

Logan had 5 appointments.

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Answer:

See the attached file

Step-by-step explanation:

Given data

Say numbers of printer made per hour = 5 printers

Hence in 1 hour, they will make 5 printers

in 4 hours they will make

=4*5

=20 printers

The graph of this situation when plotted will give a straight line graph

Kindly find attached a straight line graph for your reference

Answer:

the one solution is -20

Step-by-step explanation:

-15x - 27 + 7 = -25 - 15x +5

-27 + 7 = -25 +5

-20 = -20

bro nvm I thought I knew the answer sorry

The 30-foot distance between single-family residences in the Desert Vista subdivision is called a "setback" in development terms.

This setback ensures that the neighborhood maintains adequate spacing between homes for privacy, safety, and aesthetics.

The distance between single-family residences in the new Desert Vista subdivision in Mesa is known as the "setback" in subdivision development terms.

Setbacks are regulations that define the minimum distance a building, such as a single-family residence, must be located from property lines or other structures.

These regulations ensure adequate spacing between buildings for various reasons, including privacy, safety, and aesthetics.
1. The student question mentions that the distance between single-family residences in the new Desert Vista subdivision in Mesa is 30 feet.
2. In subdivision development terms, such a distance is referred to as a "setback."
3. Setbacks are important for maintaining privacy, safety, and aesthetics in a neighborhood.
4. These regulations ensure that there is enough space between buildings, preventing overcrowding and allowing for proper ventilation, sunlight, and access to emergency services.
5. Setbacks vary depending on the type of structure and local zoning laws, which determine the minimum distance required between buildings.

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Using proportions, it is found that the value of a is of 3.

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, a 180º angle has a measure of \(\pi\) radians. What is the measure of a 540º angle? The rule of three is given by:

180º - \(\pi\) rad.

540º - x \(\pi\) rad.

Applying cross multiplication:

180x = 540.

x = 540/180 = 3.

The value of a is of 3.

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Using proportions, the value of a is 3.

Proportion is a mathematical comparison between two numbers.

When going from degrees to radians, 180 degrees is always going to equal π radians.

The conversion of angle from radian to degree;

\(\rm 180-\ 1 \\\\540-a\)

The value of a is;

\(\rm \dfrac{180}{540}=\dfrac{1}{a}\\\\\dfrac{1}{3}=\dfrac{1}{a}\\\\1 \times a=1\times 3\\\\a=3\)

Hence, the value of a is 3.

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Answer:

(# - 5) x 2

or

(# - 5) 2

I think it should look Iike this but I might be wrong.

Answer:

12.5

Step-by-step explanation:

x = 2.5, 5x = ?

5(2.5) = 5 x 2.5 = 12.5

Answer:

3 1/4 + 1 3/4= 5

3 1/4 + 1 3/4= 5the distance between 3 1/4 and -1 3/4 on the number line is 5

3 1/4 + 1 3/4= 5the distance between 3 1/4 and -1 3/4 on the number line is 5The answer is 5

Step-by-step explanation:

Answer:

I am in 5 classso i did not known answer

Answer: Let's use the variables x and y to represent the number of small boxes and large boxes shipped, respectively.

The system of equations that could be used to determine the number of each type of box is:

x + y = 21 (equation 1)

7x + 14y = 252 (equation 2)

In equation 1, the left side represents the total number of boxes shipped, which is the sum of the number of small boxes (x) and the number of large boxes (y). The right side of the equation represents the total number of boxes shipped, which is given as 21.

In equation 2, the left side represents the total volume of paper shipped, which is the sum of the volume of all the small boxes (7 cubic feet per box) and the volume of all the large boxes (14 cubic feet per box), multiplied by the number of boxes shipped. The right side of the equation represents the total volume of paper shipped, which is given as 252 cubic feet.

These two equations can be used to solve for x and y, which represent the number of small boxes and large boxes shipped, respectively.

Step-by-step explanation:

Answer:

\(x_1= 6, x_2=5\)

Step-by-step explanation:

Well well well, let's write it down as an equation

\(2x^2-x+55 = (x+5)^2\)

And then let's just do what's asking us to do

\(2x^2-x+55 = x^2+10x+25\\x^2-11x+30=0\)At this point, it's quadratic formula time. Let's first calculate \(\Delta = b^2-4ac\) to simplify the process

\(\Delta = 121-4(1)(30) = 121-120=1\)

\(x= \frac{11\pm1}{2}; x_1= 6, x_2=5\)

We have that a and c are in S, but [a,c] is not a subset of S, which contradicts the given property. Therefore, S must contain all the points between a and b, and is therefore an interval.

To show that x, y exist in S, we can use proof by contradiction. Suppose that x, y do not exist in S. This would mean that either x or y is not in S, which contradicts the fact that S contains at least two points. Therefore, x and y must both be in S.

Now, to show that S is an interval, we need to show that it contains all the points between any two points in S. Let a and b be two points in S, with a < b. By the property given in the question, we know that [a,b] is a subset of S.

To show that S contains all the points between a and b, suppose there exists some c between a and b that is not in S. Without loss of generality, assume that a < c < b. Then, we have that a and c are in S, but [a,c] is not a subset of S, which contradicts the given property. Therefore, S must contain all the points between a and b, and is therefore an interval.

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Answer:

-9/12 < -5/12

Step-by-step explanation:

-5/12 = -5/12

-3/4 = -9/12

-9/12 < -5/12

==============================================================

Explanation:

Let x and y be the two integers where x > y.

The two integers have a sum of x+y and this is equal to 2, so x+y = 2. Solve for y to get y = -x+2

The two integers also have a difference of 12, so x-y = 12. Plug in y = -x+2 and solve for x

x-y = 12

x - ( y ) = 12

x - ( -x+2 )  = 12 ... replace y with -x+2

x + x - 2 = 12

2x - 2 = 12

2x - 2+2 = 12+2 .... adding 2 to both sides

2x = 14

2x/2 = 14/2 .... divide both sides by 2

x = 7

Use this x value to find y

y = -x+2

y = -7+2

y = -5

--------------------------------------

As a check,

x+y = 7+(-5) = 7-5 = 2 ... we get a sum of 2

x-y = 7-(-5) = 7+5 = 12 ... and get a difference of 12

the answers have been confirmed

Rounding to four decimal places, we get the probability that the weight will be less than 4664 grams as 0.9991.

Let X be the weight of a newborn baby boy born at the local hospital. We know that X follows a normal distribution with mean μ = 3996 grams and variance σ² = 111,556 grams².

We want to find the probability that the weight will be less than 4664 grams. That is, we need to find P(X < 4664).

To standardize X, we can use the z-score formula:

z = (X - μ) / σ

Substituting the given values, we get:

z = (4664 - 3996) / √111556

z = 3.1217

Using a standard normal table or calculator, we can find that the probability of a standard normal random variable being less than 3.1217 is approximately 0.9991.

Therefore, P(X < 4664) = P(Z < 3.1217) ≈ 0.9991.

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The scientist needs to sample at least 52 trees to obtain an average accurate to within 20 peaches per tree.

The formula for the sample size required to estimate the population mean with a specified margin of error is:

n = (z² * σ²) / E²

where:

n is the required sample size

z is the z-score for the desired level of confidence (in this case, 1.96 for 95% confidence)

σ is the population standard deviation (35 peaches per tree)

E is the desired margin of error (20 peaches per tree)

Plugging in the given values, we get:

n = (1.96² * 35²) / 20²

n ≈ 52

Therefore, the scientist needs to sample at least 52 trees to obtain an average accurate to within 20 peaches per tree, with 95% confidence.

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Answer:

2:5

Step-by-step explanation:

divide / simplify the ratio

Answer:

2:5     8:20

Because 2:5 is equivalent to 4:10 and so it 8:20

The terms with "x" cancel out, and we're left with:

0 = 12

6 + 10 + x + (12 - (6 + 10 + x)) = 12

Simplifying the equation, we have:

16 + x - (16 + x) = 12

The terms with "x" cancel out, and we're left with:

0 = 12

Let's denote the number of slices with both pepperoni and mushrooms as $x$. We are given that there are 6 slices with pepperoni and 10 slices with mushrooms.

Since every slice has at least one topping, the total number of slices is 12. We can break down the slices into the following categories:

Slices with only pepperoni: 6 slices

Slices with only mushrooms: 10 slices

Slices with both pepperoni and mushrooms: $x$ slices

Slices with neither pepperoni nor mushrooms: 12 - (6 + 10 + x) slices

We know that the total number of slices is 12, so we can write an equation:

6 + 10 + x + (12 - (6 + 10 + x)) = 12

Simplifying the equation, we have:

16 + x - (16 + x) = 12

The terms with "x" cancel out, and we're left with:

0 = 12

This equation is not possible to satisfy. Therefore, there must be an error or inconsistency in the given information. Please check the information provided again.

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Step-by-step explanation:

slop -3

(x ,y) point that throgh the x,y axis

(0,2), (1,-1), (2, -4),( -1, 5), ( -2, 8) etc you can make the graph by connect the co ordinat point

Answer:

75.99%

Step-by-step explanation:

To calculate this, we can use complements. We can find, instead the probability that at least one will donate, the probability that not none of them will donate.

First, we can find the probability that none will donate, which will be (70%)^4, since the chance each will not donate is the same. From this we get 24.01%.

To find the probability that at least one donates, we do the complement:

100%-24.01%=75.99%

Applying the trapezoid midsegment theorem, the length of the midsegment of a trapezoid whose bases are 27 and x a+ 8 is determined as: (x + 35) / 2.

According to the trapezoid midsegment theorem, the length of the midsegment of a trapezoid is equal to the sum of the two bases divided by two.

The formula for finding the length of the midsegment of a trapezoid is therefore:

Length of midsegment = (sum of the two bases) / 2.

Given the length of the bases of a trapezoid as 27 and x + 8 respectively, therefore, according to the trapezoid midsegment theorem, we have the equation below:

Length of the midsegment = (27 + x + 8) / 2

Simplify by combining like terms:

Length of the midsegment = (x + 35) / 2

Therefore, the answer is, (x + 35) / 2.

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Answer:

y  = (9/5)x - 9.6 in slope intercept (not sure if this counts as reduced?) and y + 6 = 9/5 ( x - 2 ) point slope

Step-by-step explanation:

We need to find the point slope formula. This is y-y1 = m(x-x1). First, we need to find the slope, and we can start to begin to make our equation from there. Slope = rise/run, so 9/5 should be our slope.

y - y1 = 9/5(x - x1) is our new eqn.

Then, we can put one of the points from our line into our eqn, since both pass through our eqn, we can use either point for our calculations.

Sticking with just the first point and substitutuing in values, we get:

y + 6 = 9/5 ( x - 2 ) and now we have to simplify.

y = 9x/5 - 18/5 - 6

y = 9x/5 - (15/5 + 3/5) - 6

y = 9x/5 -3.6-6

y = 9x/5 -9.6

The equation model for each part is shown below.

1. Graph:

Let's say the graph is a straight line with an equation y = 2x - 5.

2. Equation:

The equation is a quadratic function: y = x² + 3x + 1.

3. Table:

Let's consider the following table of values for a function:

x   |   y

-----------

0   |   3

1   |   5

2   |   7

3   |   9

4   |  11

Now, let's analyze each function:

1. Graph (y = 2x - 5):

- The initial value (y-intercept) is -5, so the initial value is -5.

- The rate of change is the coefficient of x, which is 2. Therefore, the rate of change is 2.

2. Equation (y = x² + 3x + 1):

- The initial value can be found by evaluating the equation at x = 0: y = 0² + 3(0) + 1 = 1. So, the initial value is 1.

- The rate of change varies throughout the curve since it's a quadratic function. It increases or decreases depending on the specific values of x.

3. Table:

- The initial value is the y-value when x = 0, which is 3.

- To determine the rate of change, we can calculate the difference in y-values for consecutive x-values. The differences are: 2, 2, 2. So, the rate of change is constant and equal to 2.

Based on the analysis:

- The function with the lowest initial value is the equation (y = x² + 3x + 1) with an initial value of 1.

- The function with the greatest rate of change is the table function with a constant rate of change of 2.

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Answer:

B.

Step-by-step explanation:

Answer is b

lmk if im wrong

(answer got deleted, lost my brainliest :(. )

Answer:

5x+3y-1475=0

Step-by-step explanation:

if this helps please mark brainliest <3