When constructing a perpendicular bisector of a segment, why should you make arcs with the same radius from each endpoint? Select the true statement.

The number of small boxes and large boxes for the given linear equation condition purchased is 10 and 7 respectively.

What is a linear equation?

Equations whose variables have a power of one are called linear equations. One example with one variable is where ax+b = 0, where a and b are real values and x is the variable.

According to the question, a builder needs to purchase nails in order to construct a house.

Both small and large boxes of nails are provided. There are 50 nails in each small box and 350 in each large box.

The contractor purchased 3 more small boxes than large boxes, hence it is assumed that he purchased an 'x' number of large boxes.

He purchased (x+3) small boxes.

So, 50(x+3) + 350(x) = 2950.

50x + 150 + 350x  = 2950.

400x = 2950 - 150.

400x = 2800.

x = 7.

∴ The no. of large boxes he purchased is 7.

∴ The no. of small boxes he purchased is 10.

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Answer:

3x - 5y = 11

5(x + y) = 5

Expand the second equation:

5x + 5y = 5

Add both equations:

3x - 5y = 11

5x + 5y = 5

8x = 16

Solve for x:

8x = 16

x = 2

Input x in any equation and solve for y:

3(2) - 5y = 11

6 - 5y = 11

-5y = 5

y = -1

Answer:

15

Step-by-step explanation:

15

He walked 15

Answer:

$60

Step-by-step explanation:

Let x = the original cost

x - .25x = 45

.75x = 45  Divide both sides by .75

x = 60

Using distance, rate and time the answer is 155093.3.

Distance is the total movement of an object without any regrad to direction. It is the length of the space between two points .

Given question are-

D=rt where d represent distance.

R represent= Rate

T represents= Time

Based on the given conditions formulate :

A dolphin swims= 465,280

Time = 3hour

=465280/3

Evaluate the expression/equation we can get -

155093.3

Thus the answer is

155093.3

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Thus, the probability of the electron being in a spherical shell at distance (a) from the proton is e^(-a/a0), at distance (b) is e^(-b/a0), and at distance (c) is e^(-c/a0).

Probability is a metric for determining the possibility or chance of an event happening. It is a mathematical concept that measures the unpredictability of an occurrence and is frequently stated as a decimal or fraction. For example, if the probability of flipping a coin and obtaining heads is 0.5, there is a 50% chance of flipping heads. The number of favorable outcomes to the total number of potential outcomes is used to compute probability. In other words, it is the number of ways an event may occur divided by the total number of conceivable outcomes. Probability is used to make predictions and take wise decisions in a variety of disciplines, including mathematics, science, finance, and engineering.

How to solve?

If we assume the electron is in a hydrogen 1s orbital, the probability density function is given by the square of the 1s wavefunction, which is:

p(r) = (1/πa0^3) e^(-r/a0)

P(r, r+δr) = ∫p(r')dV = ∫p(r')4πr'^2dr'

For the given distances (a), (b), and (c), the probabilities are:

P(a) = ∫p(r')4πr'^2dr' = (1/πa0^3) ∫e^(-r'/a0)4πr'^2dr' = (1/πa0^3) * 4π * a0^3 * e^(-a/a0) = e^(-a/a0)

P(b) = e^(-b/a0)

P(c) = e^(-c/a0)

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Answer:

B) 69.6

Step-by-step explanation:

By using the segment method, you handle data in analytics to gain greater insights into our audience's behavior.

Analytics:

Analytic refers the field of computer science that uses math, statistics, and machine learning to find meaningful patterns in data.

Given,

Here we need to find how do you handle data in analytics to gain greater insights into our audience's behavior.

In order to find the solution for this one, we must know the definition for the terms of the following,

Audience's behavior - attitudes that affect the behavior of an audience towards a brand or category.

Data - information that has been translated into a form that is efficient for movement or processing.

Insights - the capacity to gain an accurate and deep understanding of someone or something.

Here we have divide the full question into segment to solve this.

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The line CD is the bisector line that divides the line segment AB into two equal parts that are AE = EB.

Coordinate geometry is the study of geometry using the points in space. Using this, it is possible to find the distance between the points, the dividing line is the m:n ratio, finding the mid-point of the line, etc.

Make an opposite bisector of the Stomach muscle and mark the convergence point of line E. To check your outcome, measure AE and EB and the points between the bisector and Stomach muscle.

The line CD is the bisector line that divides the line segment AB into two equal parts that are AE = EB.

The diagram is given below.

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Solution n(x), where n(x) is the denominator of the function (notice that this only works if t(x) is not zero for the same value of x).When the denominator is equal to zero, you can solve for x to determine the vertical asymptotes.

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The required hours will they have ran the same number of miles is 3.

Speed distance time is the equation used to make sense of the connection between speed, distance and time. That is speed = distance ÷ time. Or on the other hand to put it one more way distance isolated by speed will give you the time. Given you know two of the sources of info you can resolve the third.

Erick distance:: 5 + 1x

Similarly for jess,

Jess distance:: 2 + 2x

To cover same number of miles, above two equations will be equate;

5 + x = 2 + 2x

x = 3 hrs

Thus, requierd number of hours is 3.

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Correct question:

Eric has already ran 5 miles and is continuing to run at a pace of 1 mile per hour. Jess has only run 2 miles and is continuing to run at a pace of 2 miles per hour. In how many hours will they have ran the same number of miles?

Answer:

Step-by-step explanation:

You want to know if 5x²y²z +10x²y²z is monomial, binomial, or trinomial, and what its degree is.

The degree of a term is the sum of the degrees of the variables in the term:

  degree = 2 + 2 + 1 = 5

Two terms are shown. However, the terms are like terms, so can be combined into one term:

  15x²y²z

This tells us the expression is a monomial.

__

Additional comment

The terms of a binomial must be unlike. That is, they don't count as separate terms if they can be combined.

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Answer:

16.52

Step-by-step explanation:

hyp²= opp²+adj²

let opp =16in

hyp= 23in

adj²=23²-16²

=529 -256

= 273

adj =√273

= 16.52

Answer: 288

Step-by-step explanation: the number of songs downloaded this year will be x

x/12=30-6

= x/12=24

12*24= 288

x=288

Answer:

x = 2 , x = 5

Step-by-step explanation:

assuming you mean

[tex]\sqrt{9x-9}[/tex] = x + 1 ( square both sides to clear the radical )

([tex]\sqrt{9x-9}[/tex] )² = (x + 1)² ← expand using FOIL

9x - 9 = x² + 2x + 1 ( subtract 9x from both sides )

- 9 = x² - 7x + 1 ( add 9 to both sides )

0 = x² - 7x + 10 ← factor the quadratic

consider the factors of the constant term (+ 10) which sum to give the coefficient of the x- term (- 7)

the factors are - 2 and - 5 , since

- 2 × - 5 = + 10 and - 2 - 5 = - 7 , then

(x - 2)(x - 5) = 0

equate each factor to zero and solve for x

x - 2 = 0 ⇒ x = 2

x - 5 = 0 ⇒ x = 5

As a check

substitute these values into the equation and if both sides are equal then they are the solutions.

x = 2

left side = [tex]\sqrt{9(2)- 9}[/tex] = [tex]\sqrt{18-9}[/tex] = [tex]\sqrt{9}[/tex] = 3

right side = 2 + 1 = 3

left side = right side , so x = 2 is a solution

x = 5

left side = [tex]\sqrt{9(5)-9}[/tex] = [tex]\sqrt{45-9}[/tex] = [tex]\sqrt{36}[/tex] = 6

right side = 5 + 1 = 6

left side = right side, so x = 5 is a solution

Answer:

A = -5

Step-by-step explanation:

By using the concept of function, it can be seen that the given table represents a function.

What is a function?

A function from A to B is a rule that assigns to each element of A a unique element of B. A is called the domain of the function and B is called the codomain of the function.

There are different operations on functions like addition, subtraction, multiplication, division and composition of functions.

Here the values under x represents the domain and the values under y represents the Range.

From the table it can be seen that

Every point of the domain maps to unique point on the range.

So this is a function.

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The registration fee is $60.

Given,

Sale Price = $5400

The value of the registration:

Registration fee = 0.9% of $5,400

                          = (0.9/100) * 5,400

                          = 60

Therefore, the registration fee is $60.

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Answer:

To find the change in temperature per ice cube, you need to divide the total change in temperature by the number of ice cubes. In this case, you would divide -15F by 5 ice cubes to get -3F per ice cube. The negative sign indicates that the temperature of the tea decreased.

Step-by-step explanation:

a. The return on investment is $700.

b. The payment should be $20.

c. The total value is $10,680.

Calculation of the return on investment, payment and total value:

a. Since the return on investment is 7%

And, the invested amount is $10,000

So, the return on investment should be

= 7% of $10,000

= $700

b. Since the expense ratio is 0.2%

So, here the payment be like

= 0.2% of $10,000

= $20

c. The total value should be

= $10000-$20 +$700

= $10680

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Answer:

30

Step-by-step explanation:

The 45-45-90 Triangle Theorem states that in the isosceles 45-45-90 triangle, if we designate each leg as [tex]a[/tex], the base, or hypotenuse is [tex]a\sqrt{2}[/tex] . Since we know the leg is [tex]15\sqrt{2}[/tex], the hypotenuse would be:

[tex]15\sqrt{2} * \sqrt{2} =\\15 * 2=\\30[/tex]

The slope of the line is  1/2 or 0.5

The slope of a line characterizes the direction of a line.

To find the slope of a line when the coordinates of the two points are given  you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points .

Thus if

A ( x1, y1)  and B( x2, y2)

The slope of the line is  y2 - y1 / x2-x1

Calculations

Given ;

A ( -21, -47)

B(-15, -44)

slope = 3/6

           =1/2 or 0.5

The slope of the line is 1/2 or 0.5

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Answer:

2n + 1 = 157

2n = 157 - 1

2n = 156

n = 156/2

n = 78

Step-by-step explanation:

hope this helps

The measure of an exterior angle of a triangle is equal to the measure of its neighboring interior angle if both measure 90 degrees, according to the theory of supplementary angles.

If the sums of two angles equal 180 degrees, they are said to be supplementary.

However, two angles do not need to be near one another in order to be complementary.

If two angles' measures sum up to 180 degrees, they are said to be supplementary.

A triangle's outside angle complements the neighboring inner angle.

The adjacent internal angle will therefore likewise be 90 degrees if the exterior angle is.

Therefore, the measure of an exterior angle of a triangle is equal to the measure of its neighboring interior angle if both measure 90 degrees, according to the theory of supplementary angles.

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Correct question:
Can the measure of an exterior angle of a triangle ever equal the measure of its adjacent interior angle? Explain in 2-3 sentences.

The change in the temperature after 4 1/4 hour is -6.8 C.

Given :

A freezer in a lab is set so that the temperature changes at a rate of –1.6 C every hour.

Temperature :

Temperature is the degree of hotness or coldness of an object.

The degrees must contain any units like kelvin , centigrade etc .

Change in temperature after 4 1/4 hours = change rate for hour * number of hours.

= -1.6 C * 4 1/4

= -1.6 C * 4.25

= -16 / 10 C * 425 / 100

= -16 * 425 / 10 * 100 C

= -6800 / 1000 C

= -68 / 10 C

= -6.8 C

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If its half-life is 93 minutes, then the amount left after 279 minutes will be equal to 164 grams.

In radioactivity, the half-life is the amount of time needed for half of a radioactive sample's atomic nuclei to spontaneously decay (convert into different nuclear species by emitter particles and energy) or, alternatively, the amount of time needed for the radioactive material's disintegration rate to drop by half.

As per the given information given in the question,

Initial amount, N₀ = 1312 grams

Time elapsed, t = 279 min

Half-life, [tex]t^1^/^2[/tex] = 93

Then, use the formula of half-life:

N(t) = N₀[tex](\frac{1}{2})^t^/^(^t^)^1^/^2[/tex]

Substitute the values in above equation,

N(t) = 1312[tex](\frac{1}{2})^2^7^9^/^9^3[/tex]

N(t) = 1312(1/2)³

= 1312 × 0.125

N(t) = 164 grams.

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Answer: 164 grams

Step-by-step explanation: I got the answer right on my ixl

The line has a 17/5 slope and y has a value of 51 which will be (15, 51).

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction.

The general equation for every straight line is y = MX + c, where m is the gradient (or degree of steepness) of the line and c is the y-intercept (the point in which the line crosses the y -axis).

So, the water level rises by 17 cm in 5 minutes.

Then in 15  minutes, the water will rise by:

15 * 17/5

3*17

51

Then (x, y) will be (15, 51).

Obtaining the slope as follows:

Formula: m = y1 - y2/x1 - x2

m = y2 - y1/x2 - x1

m = 17  - y/5 - x

m = 17/5

Therefore, the line has a 17/5 slope and y has a value of 51 which will be (15, 51).

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Sales Tax added to the cost of the computer is 178.34 pounds

What is sales tax?

Sales tax is a tax imposed by the government on the price of a commodity for the sale of that commodity. Imposing sales tax on a product increases the price of the product. Nowadays, sales tax has been replaced by Goods and Service Tax (GST).

Here, sales tax is added to increase the price of the computer.

Cost of a computer = 964 pounds

Rate of tax added = 18.5 %

Tax added = [tex]\frac{18.5}{100} \times 964[/tex]

                  = 178.34 pounds

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Answer:

To solve the quadratic equation 3w^2 - 12w = -12, we can use the quadratic formula:

x = (-b +/- sqrt(b^2 - 4ac)) / (2a)

In this case, a = 3, b = -12, and c = -12. Plugging these values into the formula, we get:

w = (-(-12) +/- sqrt((-12)^2 - 43(-12))) / (2*3)

Simplifying, we get:

w = (12 +/- sqrt(144 + 144)) / 6

w = (12 +/- sqrt(288)) / 6

w = (12 +/- sqrt(288)) / 6

w = (12 +/- 16.97) / 6

w = (12 +/- 16.97) / 6

w = 28.97/6 or -4.97/6

w = 4.828 or -0.828

Therefore, the solutions to the equation 3w^2 - 12w = -12 are w = 4.828 and w = -0.828.

Answer:

w = 2

Step-by-step explanation:

[tex]3w^{2} -12w=-12\\3w^{2} -12w+12 = 0\\[/tex]

[tex]\frac{-b + \sqrt{b^{2} - 4ac} }{2a}[/tex]

[tex]\frac{-(-12) + \sqrt{(-12)^{2} - 4(3)(12) } }{2(3)} = 2[/tex]

Derivative of log(tanhx) = 2cossec(2x)

Let us assume y = log (tan hx)

On differentiating both sides ,

[tex] \frac{dy}{dx \: } = \frac{d \: log(tanhx)}{dx} [/tex]

[tex] \frac{dy}{dx} = \frac{d log( \tan(hx) ) }{d \tan(hx).d \tan(hx) } \times dx[/tex]

[tex] \frac{dy}{dx} = \frac{1}{ \tan(hx) \times \sec( {h}^{2x} ) } [/tex]

[tex] \frac{dy}{dx} = \frac{ \cos(hx) }{ \sin(hx) } \times \frac{1 }{ \cos(h {}^{2} ) } [/tex]

[tex] \frac{dy}{dx} = \frac{2}{2 \sin(hx). \cos(hx) } [/tex]

[tex] \frac{dy}{dx} = \frac{2}{ \sin(h)(2x) } [/tex]

dy/dx = 2 cos sec (2x)

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