This is due in 30 mins pls help me

Answer:

-3x-5 x-4 I this work good luck

Answer:

-(3x-5) (x-4)

Step-by-step explanation:

-3x^2+17x-20

Factor -1 out of -3x^2

-(3x^2)+17x-20

Factor -1 out of 17x

-(3x^2)-(-17x)-20

Rewrite -20 as -1(20)

-(3x^2)-(-17x)-1(20)

Factor -1 out of -(3x^2)-(-17x)

-(3x^2-17x)-1(20)

Factor -1 out of -(3x^2-17x)-1(20)

-(3x^2-17x+20)

Factor.

-((3x-5)(x-4))

Final Anwser:

-(3x-5) (x-4)

Using proportions, it is found that Leanne's family should book their tickets at Section U1 to maximize their chances of having a "perfect" view.

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

In this problem, the section with the highest proportion of perfect views should be chosen, hence:

pL1 = 57/90 = 0.633

pL2 = 33/52 = 0.635

pL3 = 47/75 = 0.623

PU1 = 55/84 = 0.655

pU2 = 27/43 = 0.628

pU3 = 22/35 = 0.629

Leanne's family should book their tickets at Section U1 to maximize their chances of having a "perfect" view.

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Answer:

answer in the picture have a nice day loves :)

Step-by-step explanation:

The energy of the photon in each case is;

1. 2.97 * 10^-27 J

2. 3.2 * 10^-19 J

3. 6.6 * 10^-19 J

4. 2.64 * 10^-29 J

5. 8.6 * 10^-19 J

The energy of a photon is obtained form the Plank's equation; E = hf

1) E = hf

E =  6.6 × 10^-34 J s  *  4.5 × 10^6 Hz

E = 2.97 * 10^-27 J

2)E = hc/λ

E = 6.6 × 10^-34 J s  * 3 * 10^8/615  * 10^-9

E = 3.2 * 10^-19 J

3) E = hc/λ

E = 6.6 × 10^-34 J s  * 3 * 10^8/300 * 10^-9

E = 6.6 * 10^-19 J

4) E = hf

E = 6.6 × 10^-34 J s  * 4 × 10^4 Hz

E = 2.64 * 10^-29 J

5) E = hc/λ

E = 6.6 × 10^-34 J s  * 3 * 10^8/230  * 10^-9

E = 8.6 * 10^-19 J

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The double integral ∫∫x(\(sec^2\))(y) dA over the region R = {(x, y) | 0 ≤ x ≤ 6, 0 ≤ y ≤ π/4} is equal to 3π/8.

To evaluate the given double integral ∫∫x(sec^2)(y) dA over the region R = {(x, y) | 0 ≤ x ≤ 6, 0 ≤ y ≤ π/4}, we follow the process of integrating with respect to one variable at a time.

First, we integrate with respect to x. Since the bounds of x are from 0 to 6, the integral becomes:

∫[0, π/4] ∫[0, 6] x(sec^2)(y) dx dy

Integrating x with respect to x, we get:

(1/2)x^2(sec^2)(y) |[0, 6]

Plugging in the limits of integration, we have:

(1/2)(6^2)(sec^2)(y) |[0, π/4]

Simplifying, we get:

(1/2)(36)(sec^2)(y) |[0, π/4]

= 18(sec^2)(y) |[0, π/4]

Next, we integrate the remaining expression with respect to y. The integral of sec^2(y) is tan(y), so we have:

18(tan(y)) |[0, π/4]

Evaluating the limits of integration, we get:

18(tan(π/4) - tan(0))

= 18(1 - 0)

= 18

Therefore, the double integral ∫∫x(sec^2)(y) dA over the given region R is equal to 18.

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Answer:

3*-3+2*-2=

Step-by-step explanation:

-13

A firm experiences increasing returns to scale if inputs are doubled and output more than doubles.

When the firm's output grows at a faster rate than the growth in inputs, increasing returns to scale result. In this case, the company experiences economies of scale, which makes it more effective as it grows its production.

The firm is able to boost productivity and efficiency as it expands its scale of operations if inputs are doubled and output more than doubles.

This can be ascribed to a number of things, including specialisation, labour division, the use of capital-intensive technology, discounts for bulk purchases, and spreading fixed costs over a higher output. Lower average costs per unit of output result in higher profitability and competitiveness for the company.

The firm gains a number of benefits from growing returns to scale. First off, it lets the company to benefit from cost savings brought about by economies of scale, allowing it to manufacture goods or services for less money per unit. This may enable more competitive pricing on the market or result in larger profit margins.

Second, raising returns to scale can result in better operational effectiveness and resource utilisation. As the company grows in size, it will be able to use resources more wisely and profit from production volume-related synergies.market prices that are competitive.

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Answer:

Maybe the figure of this question is a triangle.

If so...the answer comes something like this....

Hope it helps! :)

A multiple intelligences test is an assessment that identifies an individual's strengths and weaknesses across different types of intelligence, as defined by Howard Gardner's theory of multiple intelligences.

The test aims to help individuals understand their unique strengths and learning styles, and to guide educators in developing personalized teaching strategies. Multiple intelligences test is an assessment that identifies an individual's strengths and weaknesses across different types of intelligence, as defined by Howard Gardner's theory of multiple intelligences. The test is designed to go beyond traditional IQ tests, which focus on logical-mathematical and linguistic intelligence, and assess a wider range of abilities, such as musical, spatial, bodily-kinesthetic, interpersonal, and intrapersonal intelligence. The test is intended to help individuals better understand their unique strengths and learning styles, and to guide educators in developing more personalized teaching strategies that cater to a diverse range of intelligences.

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Answer:

x = 5

Please tell me if im incorrect and hope this helped ^^

Answer: 5

Step-by-step explanation:

If you subsitute your answer (5) in the question, it would be 5-15=-10

Answer:190 mg of sodium in 1 oz of chips and 40 mg for 1 cup soda.

Step-by-step explanation:

Segments that skew to segment VW are mentioned below.

A deviation from the symmetrical bell curve, or normal distribution, in a set of data is referred to as skewness. The curve is said to be skewed if it is displaced to the left or right. Skew lines are two lines in three-dimensional geometry that neither cross nor are parallel. The two lines that pass through the opposing edges of a normal tetrahedron are a straightforward illustration of a pair of skew lines. A distribution is said to be "skewed right" if the tail is to the right. A distribution is said to be "skewed left" if the tail is to the left. The histogram on top represents a right-skewed distribution.

Given,

Segments that skew to segment VW are:

UZ

TY

SX

ZY

XY

TU

ST

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Answer:

\(y=x^2-8x+25\)

Step-by-step explanation:

To answer this question, we will work backwards.

We know that a factor is 4+3i. This means that:

\((x-(4+3i))=0\)

Hence, we will eliminate the imaginary and convert this into standard form.

First, distribute the negative:

\(x-4-3i=0\)

Add 3i to both sides:

\(x-4=3i\)

Square both sides:

\((x-4)^2=(3i)^2\)

Expand:

\(x^2-8x+16=9(-1)=-9\)

Add 9 to both sides:

\(x^2-8x+25=0\)

Hence, our quadratic equation is:

\(y=x^2-8x+25\)

Notes:

We will get the same equation if we use (4-3i). This is because we square the (3i) regardless of its sign, making it positive.

Answer:

$308

Step-by-step explanation:

all you have to do is divide 5 by 70 and get 14 then multiply 14 by 22 and get 308

hope this helps

please mark me as brainliest

Answer:

$308

Step-by-step explanation:

70/5=$14 per hour

14*22=308

The correlation coefficient goes from -1 to 1 and measures the degree and direction of a linear link between two variables. A correlation value of 1 or -1 shows a perfect positive or negative correlation, where all data points lie on a straight line. Zero means that there is no linear association between the variables. So, it is accurate.

The correlation coefficient quantifies the magnitude and direction of a linear link between two variables. When there is a perfect positive correlation between two variables, it means that as one variable increases, the other variable similarly increases in a linear fashion.

This causes every data point to lie precisely on a straight line with a positive slope. When two variables have a perfect negative correlation, it indicates that when one variable increases, the other variable drops in a straight-line connection, resulting in all the data points resting exactly on a straight line with a negative slope.

The correlation coefficient spans from -1 to 1 to represent the linear relationship between variables, where 1 or -1 represent a perfect correlation and 0 shows no linear correlation.

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The F-test is used to compare two population variances and determine if they are significantly different from each other. When conducting an F-test, the null hypothesis states that the two population variances are equal, and the alternative hypothesis states that the variances are different.

In the given diagram, the F-statistic is calculated as 1.919 with a p-value of 0.063. Since the p-value is greater than 0.05, we fail to reject the null hypothesis and conclude that the variance in study time of Batch 1 is NOT significantly different than the variance in study time of Batch 2. Therefore, option (2) is the correct answer.

The Levene's test is used to determine if the variances of two populations are equal or not. If the p-value is greater than 0.05, we fail to reject the null hypothesis and conclude that the variances are equal. In the given diagram, the Levene's test statistic is calculated as 0.42 with a p-value of 0.74. Since the p-value is greater than 0.05, we fail to reject the null hypothesis and conclude that the variance in study time of Batch 1 is NOT significantly different than the variance in study time of Batch 2. Therefore, option (4) is incorrect.

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The new volume of the cylinder is 39.94cm³

A cylinder is a three-dimensional shape consisting of two parallel circular bases, joined by a curved surface. The center of the circular bases overlaps each other to form a right cylinder.

The volume of a cylinder is expressed as V = πr²h

The volume of the original cylinder = 10cm³

The radius and height of the new cylinder = 4r and 4h

10 = 3.14 × r²h

V 2= 3.14 × 4r²4h

V2 = 3.14× 4( r²h)

10=3.14 × r²h

r²h = 10/3.14

r²h = 3.18

from

V2 = 3.14 × 4(r²h)

represent 3.18 by r²h in the equation

V2 = 3.14 × 4 ( 3.18)

V2 = 39.94cm³

therefore the volume of the new cylinder is 39.94 cm³

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Answer:

B 2

Step-by-step explanation:

Because the leading term makes the difference on whether a parabola opens upward or downward.

If the leading coefficient of the leading term (which is 2) is negative it opens downward. If it is positive like it is in the equation then it opens upward.

Hope that helps :)

a The product of a constant factor of four and a factor with the sum of two terms.

Answer:

y=sinx

Step-by-step explanation:

Option (A) y = sinx is the graph that represents a phase shift of pi/2 units right for the graph of y = cosx is the correct answer.

Trigonometry is mainly concerned with specific functions of angles and their application to calculations. Trigonometry deals with the study of the relationship between the sides of a triangle (right-angled triangle) and its angles.

For the given situation,

The function is y = cosx.

Plot the function on the graph as shown.

Now draw the functions that are in options to check for phase shift.

A) y = sinx

Plot y = sinx in the graph as shown below. Now it is clearly seen that a phase shift of pi/2 units right for the graph of y = cosx is y= sinx.

In the graph,

The cosx is shown as red wave and sinx is shown as blue wave.

Hence we can conclude that option (A) y = sinx is the graph that represents a phase shift of pi/2 units right for the graph of y = cosx is the correct answer.

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Answer: Ix - 5I ≥ 5.

Step-by-step explanation:

We want the set:

[0, 10]

to be the solution of:

Ix - bI ≤ c

So we need to find the values of c and b.

The first step is to find the middle point in our segment.

We can do that by adding the extremes and dividing it by 2.

M = (10 + 0)/2 = 5

And we also want to find half of the difference between the extremes, this is:

D = (10 - 0)/2 = 5.

Now, this set will be the set of solutions of:

Ix - MI ≥ D

Then in our case, we have:

Ix - 5I ≥ 5.

so we have that b = 5, and c = 5.

The solution to the given differential equation is L⁻¹{Y(s)} = (b³ t sin 2t) / (2 (sin bt - bt cos bt))

To solve the differential equation using the convolution theorem, we'll follow these steps:

Take the Laplace transform of both sides of the differential equation.

Use the convolution theorem to simplify the resulting expression.

Take the inverse Laplace transform to obtain the solution in the time domain.

Let's start with step 1:

Given differential equation: d²y/dt² - 4y = t cos 2t

Taking the Laplace transform of both sides, we get:

s²Y(s) - sy(0) - y'(0) - 4Y(s) = L{t cos 2t}

Where Y(s) represents the Laplace transform of y(t), y(0) is the initial condition for y(t) at t = 0, and y'(0) is the initial condition for dy/dt at t = 0.

The Laplace transform of t cos 2t can be found using the Laplace transform table:

L{t cos 2t} = -Im{d/ds[1 / (s² - (2i)²)]}

= -Im{d/ds[1 / (s² + 4)]}

= -Im{(-2s) / [(s² + 4)²]}

= 2Im{(s) / [(s² + 4)²]}

Now let's simplify the expression using the convolution theorem:

The Laplace transform of the convolution of two functions, f(t) and g(t), is given by the product of their individual Laplace transforms:

L{f * g} = F(s) G(s)

In our case, f(t) = y(t) and g(t) = 2Im{(s) / [(s² + 4)²]}.

Therefore, F(s) = Y(s) and G(s) = 2Im{(s) / [(s² + 4)²]}.

Multiplying F(s) and G(s), we get:

Y(s) G(s) = Y(s) 2Im{(s) / [(s² + 4)²]}

Now, we can rewrite the left-hand side of the equation using the convolution theorem:

Y(s) * 2Im{(s) / [(s² + 4)²]} = L{t cos 2t}

Taking the inverse Laplace transform of both sides, we have:

L⁻¹{Y(s) * 2Im{(s) / [(s² + 4)²]}} = L⁻¹{L{t cos 2t}}

Simplifying the right-hand side using the inverse Laplace transform table, we get:

L⁻¹{Y(s) * 2Im{(s) / [(s² + 4)²]}} = t sin 2t / 4

Now, we can apply the convolution theorem to the left-hand side of the equation:

L⁻¹{Y(s) * 2Im{(s) / [(s² + 4)²]}} = L⁻¹{Y(s)} * L⁻¹{2Im{(s) / [(s² + 4)²]}}

The inverse Laplace transform of 2Im{(s) / [(s² + 4)²]} can be found using the inverse Laplace transform table:

L⁻¹{2Im{(s) / [(s² + 4)²]}} = 1 / 2b³ (sin bt - bt cos bt)

Therefore, we have:

L⁻¹{Y(s)} * 1 / 2b³ (sin bt - bt cos bt) = t sin 2t / 4

From this, we can deduce the inverse Laplace transform of Y(s):

L⁻¹{Y(s)} = (t sin 2t / 4) / (1 / 2b³ (sin bt - bt cos bt))

Simplifying further:

L⁻¹{Y(s)} = (b³ t sin 2t) / (2 (sin bt - bt cos bt))

This is the solution to the given differential equation.

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Answer:

Step-by-step explanation:

no graph was shown

The number of years t, the number of students in both high schools would be the same is 15 years

let

School A:

1000 + 35t

School B:

700 + 55t

1000 + 35t = 700 + 55t

1000 - 700 = 55t - 35t

300 = 20t

t = 300/20

t = 15 years

Therefore, the number of years t, the number of students in both high schools would be the same is 15 years

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Answer:

it's y = 2x

Step-by-step explanation:

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The given sentence "1024 is the smallest four-digit number that is a perfect square" is true because it is the square of 32.

A perfect square is a number that is the product of two equal integers. It's the product of an integer multiplied by itself. A perfect square is a number that can be expressed as the product of a number and itself. For example, 9, 16, 25, and 36 are perfect squares.

It follows that the square root of a perfect square is a whole number because the product of two equal integers is an integer.

Identify the range of four-digit numbers. Four-digit numbers are those that range from 1000 to 9999.

To check if 1024 is the smallest four-digit perfect square, we should examine whether the smallest perfect square between 1000 and 9999 is 1024. If we square 32, we get 1024, which means that 1024 is a perfect square.

As a result, the statement "1024 is the smallest four-digit number that is a perfect square" is true.

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Using Pythagorean theorem

\(\\ \sf\longmapsto BC^2=AB^2+AC^2\)

\(\\ \sf\longmapsto BC^2=7^2+3^2\)

\(\\ \sf\longmapsto BC^2=49+9\)

\(\\ \sf\longmapsto BC^2=58\)

\(\\ \sf\longmapsto BC=\sqrt{58}\)

Answer:

positively skewed

a. the direction of the acceleration is approximately 78.4° counterclockwise from the +x-axis. b. the mass of the object is approximately 12.1 kg. c. the initial speed of the object is 0 m/s. d. the velocity components after 21.0 s based solely on the given information.

To solve this problem, we will use Newton's second law, which states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration:

ΣF = m * a

Given:

F₁ = (-1.85i + 6.75) N

F₂ = (-5.50i - 2.35) N

F₃ = (-43i) N

Acceleration magnitude (a) = 3 m/s²

(a) Direction of the acceleration:

To determine the direction of the acceleration, we need to find the net force acting on the object and then calculate the angle between the net force vector and the positive x-axis.

Net force (ΣF) = F₁ + F₂ + F₃

Net force = (-1.85i + 6.75) + (-5.50i - 2.35) + (-43i)

         = (-1.85i + 6.75 - 5.50i - 2.35 - 43i)

         = (-7.35i - 35.6)

The magnitude of the net force can be calculated using Pythagorean theorem:

|ΣF| = sqrt(Re² + Im²) = sqrt((-7.35)² + (-35.6)²) ≈ 36.3 N

The angle (θ) between the net force vector and the positive x-axis can be found using trigonometry:

θ = atan(Im/Re) = atan((-35.6)/(-7.35)) ≈ 78.4°

Therefore, the direction of the acceleration is approximately 78.4° counterclockwise from the +x-axis.

(b) Mass of the object:

From Newton's second law, we know that ΣF = m * a. Since we have the acceleration magnitude and the net force, we can solve for the mass (m):

|ΣF| = m * a

36.3 = m * 3

m = 36.3 / 3

m ≈ 12.1 kg

Therefore, the mass of the object is approximately 12.1 kg.

(c) Initial speed:

Given that the object is initially at rest (v₀ = 0 m/s), we can use the formula for final velocity (v) in terms of initial velocity (v₀), acceleration (a), and time (t):

v = v₀ + a * t

Since v₀ = 0 m/s and a = 3 m/s², we have:

v = 0 + 3 * 0

v = 0 m/s

Therefore, the initial speed of the object is 0 m/s.

(d) Velocity components after 21.0 s:

The problem does not provide information about the time evolution of the forces acting on the object, so we cannot determine the velocity components after 21.0 s based solely on the given information.

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At a constant rate of 400 miles per hour travel, the plane would be travelling from 32000 feet above the land.

The speed of an object is the ratio of distance and time it takes for the object to travel that distance.

Mathematically,

S = D/T

where

S is velocity

D is the distance traveled or distance traveled

T is the time it takes to travel that distance

Velocity is considered a scalar quantity. A scalar size only has a size. It does not provide information about the direction of object movement.

If an object moves at a constant speed, it means that the object moves the same distance in the same time interval.

Acceleration of an object is the ratio of velocity and time. vector size. Vector quantities have both magnitude and direction.

Mathematics,

a = v/t

When an object is in motion, its acceleration is never zero.

When an object moves, it moves a constant distance over time. Therefore, body positions cannot be the same from the same coordinate system.

Given in the question:

First the plane was travelling at a constant rate of 250  miles per hour.

Initial height was 20000 feet

Now,

As the speed increases and travels at a constant rate of 400 miles per hour.

Now,

   (400 /250 ) × 20000

=  1.6 × 20000

= 32000 feet

Thus, At a constant rate of 400 miles per hour travel, the plane would be travelling from 32000 feet above the land.

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Option B. $9,255.75, Only option (b) includes a value close to $1,000, which is the present value of the infinite stream of

To find the present value of an infinite stream of cash flows, we can use the formula:

PV = CF / r

where PV is the present value, CF is the cash flow per period, and r is the interest rate per period.

In this case, CF = $100 (received at the end of each year forever) and r = 10%.

Plugging in the numbers, we get:

PV = $100 / 0.10 = $1,000

So the present value of the infinite stream of cash flows is $1,000.

However, we need to adjust for the fact that the cash flows are received at the end of each year, not at the beginning. To do this, we can use the formula:

PV = CF / (r - g)

where g is the growth rate of the cash flows, which in this case is 0 (since the cash flows are constant).

Plugging in the numbers, we get:

PV = $100 / (0.10 - 0) = $1,000

So the present value of the infinite stream of cash flows received at the end of each year is also $1,000.

Therefore, the answer must include the present value of an infinite stream of cash flows. Only option (b) includes a value close to $1,000, which is the present value of the infinite stream of cash flows.

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