What is the total length of 5.7,10,4.05,16.2 in centimeters

Answer:

$0.50 per paper

Step-by-step

1/2 = 0.50

2/4 = 0.50

3/6 = 0.50

We need to find the amount Dusty earns from the newspapers he delivers.

The amount of money earned from each paper is 0.5$.

Let us take two points on the line and find the slope this will give us how much he earns from each paper.

Taking two points \((2,1)\) and \((4,2)\)

Slope is given by

\(m=\dfrac{\Delta y}{\Delta x}\\\Rightarrow m=\dfrac{2-1}{4-2}\\\Rightarrow m=\dfrac{1}{2}\\\Rightarrow m=0.5\)

So, the amount of money earned from each paper is 0.5$.

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Given,The bandgap energy of an alloy AlxGa1−xAs is given by Eg​(x)=1.30+1.2x. The bandgap is direct when x≥0.43The alloy GaAs has a direct bandgap whereas AlAs has an indirect bandgap.

When an alloy emits light at a particular wavelength, it means that the bandgap energy of the alloy equals the energy of the emitted photon. The bandgap energy is given by the formula

Eg​(x)=hc/λ where h is Planck’s constant, c is the speed of light in vacuum and λ is the wavelength of the emitted light.

So, Equating the bandgap energy with the energy of the emitted photon we get,

hc/λ=1.30+1.2x

λ=hc/(1.30+1.2x)

We are given that the wavelength of the emitted light is 800 nm.

Therefore,800×10−9 m=hc/(1.30+1.2x)

∴1.3+1.2x=hc/800×10−9

∴x=(hc/800×10−9−1.3)/1.2

The composition of the alloy is x.

The range of wavelength that can be found for an AlGaAs emitter can be obtained by finding the range of values of x for which the bandgap energy is such that the emitted photon is within the wavelength range for an AlGaAs emitter.

An AlGaAs emitter emits light in the wavelength range 740-870 nm.

The bandgap energy required to emit photons within this range of wavelengths can be obtained as follows:

We have

hc/λ1=1.424 eV (corresponding to λ=870 nm) and hc/λ2=1.681 eV (corresponding to λ=740 nm)

Thus, the bandgap energy lies between 1.424 eV and 1.681 eV. emitting light at 800 nm, the composition of the alloy is x=(hc/800×10−9−1.3)/1.2. The range of wavelength that can be found for an AlGaAs emitter is between 740-870 nm.

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Answer:

true

Step-by-step explanation:

because there's less humidity

Answer:

(7, 1)

General Formulas and Concepts:

Pre-Algebra

Algebra I

Step-by-step explanation:

Step 1: Define systems

x = 2y + 5

x/3 - y = 4/3

Step 2: Solve for y

Step 3: Solve for x

And we have our final answer!

Answer:

bro any pic for the question its confusing from the text

To find the volume of a solid obtained by rotating a region, you'll need to use the method of disks or washers, depending on the specific problem. The terms "long answer" are not relevant to the calculation.

1. Identify the region you want to rotate and the axis of rotation.
2. Set up an integral using the method of disks or washers, depending on the given problem.
  - Disks: Use the formula V = π * ∫[R(x)]^2 dx from x=a to x=b, where R(x) is the radius of the disk and a and b are the bounds of the region.
  - Washers: Use the formula V = π * ∫([R(x)]^2 - [r(x)]^2) dx from x=a to x=b, where R(x) is the outer radius and r(x) is the inner radius.

3. Evaluate the integral to find the volume of the solid.

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The length of the line segment is given by the distance equation

D = 7.2 units

The distance of a line between 2 points is always positive and given by the formula

Let the first point be A ( x₁ , y₁ ) and the second point be B ( x₂ , y₂ )

The distance between A and B is D , and the distance D is

Distance D = √ ( x₂ - x₁ )² + ( y₂ - y₁ )²

Given data ,

Let the distance of the line segment between two points be D

Now , the equation will be

Let the first point be represented as P ( 1 , 6 )

Let the second point be represented as Q ( 7 , 2 )

Now , distance between P and Q is D , and the distance D is

Distance D = √ ( x₂ - x₁ )² + ( y₂ - y₁ )²

D = √ ( 1 - 7 )² + ( 6 - 2 )²

On simplifying the equation , we get

D = √ ( -6 )² + ( 4 )²

D = √ ( 36 + 16 )

D = √ 52

D = 7.2 units

Hence , the distance is 7.2 units

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The solutions to the system of simultaneous equations are (x₁, y₁) = (6, 8) and (x₂, y₂) = (8, 4).

Herein we find a system formed by a linear equation and a quadratic equation, whose solutions must be found by means of algebra-based methods. The complete procedure is shown below.

First, eliminate y in both equations:

20 - 2 · x = x² - 16 · x + 68

Second, solve the resulting expression for x:

x² - 14 · x + 48 = 0

(x - 6) · (x - 8) = 0

Third, find the values for y:

x = 6

y = 20 - 2 · 6

y = 8

x = 8

y = 20 - 2 · 8

y = 4

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Answer:

B

Step-by-step explanation:

The implicit solution to the given differential equation Dx/dt = 4x² + (9t/√(6²+x²)) / (4tx) using the method for solving homogeneous equations is F(t,x) = C, where C is an arbitrary constant.

To solve the given differential equation, we can separate the variables and integrate both sides. Rearranging the equation, we have:

(4tx) Dx = (4x² + (9t/√(6²+x²))) dt. Next, we integrate both sides. Integrating the left side with respect to x and the right side with respect to t, we get:

∫(4tx) Dx = ∫(4x² + (9t/√(6²+x²))) dt. Integrating both sides will result in a function F(t,x) on the left side and the integral on the right side. Since we are looking for an implicit solution in the form F(t,x) = C, we can write the equation as:

F(t,x) = C. cccThis represents the general solution to the given differential equation, where C is an arbitrary constant. The specific form of the function F(t,x) will depend on the integration process and the initial conditions, if provided.

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Answer:

78×8/13=48

78×1/13 =6

78×4/13=24

8:1:4

48:6:24

Answer:

+1/5

Step-by-step explanation:

Answer:Measure

Angle

48°

А

B

(6. - 28)

(2x)

С

Find the value of x. Then find the measures of angles B and C

Enter your answers in the boxes.

mZB=

O

mZC =

o

Step-by-step explanation:

Obtuse equilateral, because an obtuse triangle needs one angle that is greater than 90 degrees, but in an equilateral triangle all the angles are 60 degrees because all the sides are equal.

If all sides are equal, then all their non-touching angles are equal.

Hope this helps!

[1] 0.25, 0.25%, or \(\frac{1}{4}\)

     We will divide the number of wanted outcomes by possible outcomes.

\(\displaystyle \frac{\text{wanted outcomes}}{\text{possible outcomes}} =\frac{5}{3+5+12} =\frac{5}{20} =\frac{1}{4}\)

[2]

     We will follow the same steps as problem 1.

MTHMTCS = 7 consonants

AEAI = 4  vowels

MTHEMTICS = 9 letters that are not A's

MATHEMATICS = total of 11 letters

(a)

\(\displaystyle \frac{\text{wanted outcomes}}{\text{possible outcomes}} =\frac{7}{11}\)

(b)

\(\displaystyle \frac{\text{wanted outcomes}}{\text{possible outcomes}} =\frac{4}{11}\)

(c)

\(\displaystyle \frac{\text{wanted outcomes}}{\text{possible outcomes}} =\frac{9}{11}\)

[3] 0.877

     If the probability that a television is defective is 0.123, then the probability that a television is not defective is:

1 - 0.123 = 0.877

Answer:

x=15° and MNQ=32°

Step by step:

MNQ+QNP=90°

3x-13°+58=90°

so,3x+45°=90°

Then,3x=45° and x=15°

MNQ=3x-13°=3(15°)-13°

=45°-13°

=32°

Answer: x = 15 and MNQ = 32°

Step-by-step explanation:

1) We write the number that we want to find as:

Where x is the tens digit, and y is the unit digit.

2) Its reversed number is:

3) The sum of the number and its reverse is equal to 154:

4) One of the digits in the number is 2 less than the tens digit, so we have:

Replacing this in the previous equation that we found and solving for x:

So:

The number that we were looking for is:

Verification:

Answer: 86

Answer:

Ratio = 4:2

Value of the ratio = 2

The amount of club soda is 2 times the amount of white grape juice

Step-by-step explanation:

not sure of the value of the ratio though ;-;

number of cupcakes lynn made = x

number of cupcakes santo baked = 2x - 4

hope this helps and please mark me brainliesr. PLEASE!!!!

The inequality given by (x/3) + 5 ≥ 1/6 has the solution x ≥ -29/2 or [-29/2 , +∞).

Inequality refers to the relationship between two non-equal expressions. It can be denoted by > for greater than, < for less than, >/= for greater than and equal to, and </= for less than and equal to.

To solve an inequality is to find the values of x such that when we substitute that number for x we have a true statement.

Given the inequality (x/3) + 5 ≥ 1/6, subtract 5 from both sides.

(x/3) + 5 - 5 ≥ 1/6 - 5

x/3 ≥ -29/6

Multiply both sides by 3.

3(x/3) ≥ 3(-29/6)

x ≥ -29/2

To check, let x = -29/2

x = -29/2 ≥ -29/2

Substitute this value to the inequality.

(x/3) + 5 ≥ 1/6

(-29/2)/3 + 5 ≥ 1/6

1/6 ≥ 1/6

let x = -14,

x = -14 ≥ -29/2

Substitute this value to the inequality.

(x/3) + 5 ≥ 1/6

-14/3 + 5 ≥ 1/6

1/3 ≥ 1/6

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The probability that a student owns a car or a computer is 0.45 and the probability that a student does not own a car or a computer is 0.

So, we know that:

Students who own a car: 0.65 ⇒ 65

Students who own a Computer: 0.82 ⇒ 82

Students who own both: 0.55 ⇒ 55

Probability formula: Favourable events/Total events

The probability that a student owns a car or a computer:

Favourable events: 100 - 55 = 45

P(E) = Favourable events/Total events

P(E) = 45/100

P(E) = 0.45

The probability that a student does not own a car or a computer:

Favourable events: 0

P(E) = Favourable events/Total events

P(E) = 0/100

P(E) = 0

Therefore, the probability that a student owns a car or a computer is 0.45 and the probability that a student does not own a car or a computer is 0.

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The number of employees that must be included in the sample to be 95% confident that the sample mean is within 1.5 hours of the population mean is 107 employees.

To estimate the mean number of hours worked by all grocery store employees in the county with 95% confidence and a margin of error of 1.5 hours, we can use the sample size formula:

n = (Z * σ / E)²

where:
- n is the required sample size
- Z is the critical value (1.96 for a 95% level of confidence)
- σ is the population standard deviation (7.9 from the previous study)
- E is the margin of error (1.5 hours)

Plugging in the given values:

n = (1.96 * 7.9 / 1.5)²

n ≈ 106.56

Since you cannot have a fraction of an employee, you need to round up to the nearest whole number. Therefore, the researcher must include 107 employees in the sample to be 95% confident that the sample mean is within 1.5 hours of the population mean.

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Answer:

53.3 rotations

Step-by-step explanation:

135/180=x/40

solve by cross multiply

Answer:

The slope-intercept form is y =  \(-\frac{3}{4}\) x + 8 ⇒ B

Step-by-step explanation:

The slope-intercept form of the linear equation is:

y = m x + b, where

From the given in the question

∵ The slope of the line is \(-\frac{3}{4}\)

∴ m =  \(-\frac{3}{4}\)

→ Substitute its value in the form of the equation above

∴ y =  \(-\frac{3}{4}\) x + b

→ To find b substitute x and y by the coordinates of any point on the line

∵ The line passes through the point (8, 2)

∴ x = 8 and y = 2

∵ 2 =  \(-\frac{3}{4}\) (8) + b

∴ 2 = -6 + b

→ Add 6 to both sides to find b

∴ 2 + 6 = -6 + 6 + b

∴ 8 = b

→ Substitute the value of b in the equation above

∴ y =  \(-\frac{3}{4}\) x + 8

∴ The slope-intercept form is y =  \(-\frac{3}{4}\) x + 8

The equation that models the shape of the monument is simply y = 25.

The equation that models the shape of the parabolic monument can be written in the form of a quadratic function, y = ax^2 + bx + c, where y is the height of the monument at a given distance x from the center of the base.

Since the monument has a height of 25 feet at the center of the base, we know that the vertex of the parabolic shape is located at (0, 25). Also, since the base width is 30 feet, the distance from the center of the base to either side is 15 feet.

Therefore, we can use the information about the vertex and the width to write the equation as y = -a(x-15)^2 + 25.

To determine the value of a, we need another point on the curve. Let's use one of the endpoints of the base, which is (15, 0). Plugging these values into the equation, we get:

0 = -a(15-15)^2 + 25

0 = 25

This is not possible, so we need to adjust the equation to fit the known points. We can rewrite the equation as y = a(x-15)^2 + 25, and solve for a using the other endpoint of the base, which is (-15, 0):

25 = a(-15-15)^2 + 25

0 = 900a

a = 0

This means that the equation that models the shape of the monument is simply y = 25.

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Step-by-step explanation:

Given that,

We are asked to calculate the value of f(7).

Substitute the value of x as 7 in the polynomial to find the value of f(7).

→ f(7) = 10 - 2(7)

→ f(7) = 10 - 14

→ f(7) = -4

Therefore, –4 is the required answer.

Answer:

x=-3

Step-by-step explanation:

x+8=5

subtract 8 from 5 to get x on its own

x=-3

We can use the transformation y = (x - a) / (b - a) to generate a random variable y that is linear in x and uniformly distributed over (0, 1).

To find a random variable y that is linear in x and uniformly distributed over (0, 1), we can use the following transformation:
y = (x - a) / (b - a)
This transformation maps the interval (a, b) to the interval (0, 1) and ensures that the distribution of y is uniform.
To see why this is the case, we can use the formula for the probability density function (pdf) of a uniform distribution:
f(x) = 1 / (b - a)
This means that the probability of x being between any two values c and d is proportional to the length of the interval (d - c) and is given by:
P(c < x < d) = (d - c) / (b - a)
Now, let's find the pdf of y using the transformation above:
F(y) = P(y < Y) = P((x - a) / (b - a) < y) = P(x < (b - a) * y + a)
We can differentiate this to get the pdf of y:
f(y) = dF(y) / dy = f(x) / (b - a) = 1 / (b - a)
This shows that the distribution of y is indeed uniform over (0, 1).

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