pls help me I need this

Answer:

80

now enjoy your answer.

Step-by-step explanation:

12 as a percent of 15 = 80 . . . .

The students who read newspapers is 30, and the read story books is 90.

Let number of students read newspapers as N and story books as S.

We have

Out of 110 students, 10 read neither newspaper nor story book.

This means that these 10 students are not included in either N or S.

As, students who read story books is three times read newspapers. then, S = 3N.

So, the total number of students who either read newspapers or story books is given by:

= 110 - 10

= 100

and, the total number of students who either read newspapers or story books is given by:

N + S - 20 = 100

Substituting S = 3N, we have:

N + 3N - 20 = 100

4N - 20 = 100

4N = 120

N = 30

Now, we can calculate the number of students who read story books:

S = 3N = 3 c 30 = 90

Therefore, the students who read newspapers is 30, and the read story books is 90.

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16^3/4 =(2^4)3/4 = 2^3 = 8

Answer:

2(d-t)=4t+7

Step-by-step explanation:

I don't know

Answer:

2(d-t)=4t+7

2d-2t=4t+7

Group like terms

2d-7=4t+2t

2d-7=6t

simpify

\( \frac{2 d- 7 } 6t= \frac{6t}{6t} \)

Answer

\(t = \frac{2d - 7}{6t} \)

The multinomial model is used to generate documents using a fixed vocabulary of English letter sequences.

In this model, the probability of each letter is represented by a parameter, and the counts of each letter in the document are assumed to follow a multinomial distribution. The minimum number of parameters required in the multinomial model is 26, since there are 26 letters in the English alphabet.

These probabilities can be estimated from a corpus of text data using maximum likelihood estimation, which involves maximizing the likelihood of the observed data with respect to the parameters. The estimated probabilities can then be used to generate new documents using the multinomial model.

Overall, the multinomial model is a useful tool for generating new text data, and its simplicity and flexibility make it well-suited for a variety of natural language processing tasks.

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Answer:

D) -1024, 4096,- 16384

The other possibility is that the new battery will last longer on average than the known average battery life of the previous model. A one-sample t-test for a population mean is an appropriate test for the researchers' hypothesis. So, option B. is the correct choice.

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Answer:

(a)Grade =7.5% (No warning sign is needed)

(b)Rise =90 feet

Step-by-step explanation:

\(\text{Slope = }\dfrac{Rise}{Run}\)

(a)

Rise = 63 feet

Run (Horizontal distance) = 840 feet.

\(\text{Slope = }\dfrac{63}{840}=0.075\\\\$Grade=Slope \times 100 = 0.075 \times 100 = 7.5\%\)

A warning sign should not be posted since its grade is less than 8%.

(b)

Grade = 9%

Run (Horizontal distance) = 1000 feet.

Recall that:

Grade = Slope X 100

\(9 =\dfrac{Rise}{1000} \times 100\\\\9 =\dfrac{Rise}{10}\\\\$Rise = 9 \times 10 \\$Rise=90 feet\)

The road rises 90 feet over a distance of 1000 feet.

Answer:

(COS) and something I forgot dude

Step-by-step explanation:

The points on the tangent plane are (1/10, 1/20, 3/20) and (-1/10, -1/20, -3/20) if the tangent plane to this ellipsoid is parallel to the normal plane.

The given ellipsoid equation points are :

\(x^{2} + 5y^{2} + z^{2} = 18\)

\(3z - (2x + 5y)=0\)

To find the points on the ellipsoid surface x^{2} + 5y^{2} + z^{2} = 18 which is the tangent plane to this ellipsoid is parallel to the plane 3z - (2x + 5y)=0,  we must to calculate the gradient of the surface and set it comparable to the normal vector of the plane.

The gradient of the surface is calculated by the product of square numbers by its coefficients.

Gradient surface = 2x + 10y + 2z =18

normal vector = (-2, -5, -3)

Considering that the tangent plane is parallel to the plane

2x + 10y + 2z = k(-2, -5, -3)

Therefore we can get the equations,

2x = -2k = -1 x

10y = -5k = (1/2)x

2z = -3k = 3/2 x

Now, these equations are substituted in the Gradient surface equation,

2(-1x)+ 10(1/2x) + (3/2x) =18

3/2x = 18- 3 = 15

3/2x = 15

x = 1/10

similarly, we can calculate the y and z values

y = (1/2) * (1/10) = 1/20

z = (3/2) * (1/10) = 3/20

Therefore we can conclude that the points on the tangent plane are (1/10, 1/20, 3/20) and (-1/10, -1/20, -3/20).

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Step-by-step explanation:

To get the x intercepts you need to set y = 0.

So you will get:

\(x^{2}\) - 4x - 12 = 0

which can then be put in the form of:

(x - 6) (x + 2) = 0

The x intercepts are: (6,0) and (-2,0).

For the vertex you would need to convert the equation to vertex form.

which is : y = a\((x-h)^{2}\) =k

\(x^{2}\) - 4x - 12 = y

turn it in to square form:

(\(x^{2}\) - 4x + 4) - 12 - 4 = y

\((x-2)^{2}\) - 16 = y

so the vertex is = (2, -16)

The error in finding the measure of one exterior angle of a regular polygon lies in using the formula 360°/n, where n is the number of sides of the polygon.

The formula 360°/n is used to find the measure of each exterior angle of a regular polygon. It is based on the idea that the sum of all exterior angles of any polygon is always 360 degrees. However, this formula assumes that the polygon has internal angles of 180°, which is true only for regular polygons.

The error occurs when this formula is applied to a non-regular polygon, as non-regular polygons have varying internal angles. Using the formula 360°/n for a non-regular polygon will give incorrect results because the internal angles are not all equal.

For regular polygons, each exterior angle is indeed 360°/n, and the sum of all exterior angles will be 360 degrees. However, for non-regular polygons, this formula cannot be used, and the measures of exterior angles must be calculated differently based on their internal angles and sides.

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The error in finding the measure of one exterior angle of a regular polygon is they divided 360 by 10 instead of 5.

Given that,

There are a total of 10 exterior angles, two at each vertex, so the measure of one exterior angle is 360°/10 = 36°.

Here, at each vertex there are two angles.

So, there must be 5 vertices and 5 sides.

Then, the measure of one exterior angle = 360°/5

= 72°

Therefore, the error in finding the measure of one exterior angle of a regular polygon is they divided 360 by 10 instead of 5.

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"Your question is incomplete, probably the complete question/missing part is:"

Describe and correct the error in finding the measure of one exterior angle of a regular polygon. There are a total of 10 exterior angles, two at each vertex, so the measure of one exterior angle is 360°/10 = 36°.

  The option D is the correct answer.

a. They are adjacent angles: Adjacent angles are angles that share a common side and vertex, but do not overlap. It is possible for two angles to be supplementary and adjacent, but it is not always the case. Therefore, option a is not the correct answer.

b. They are congruent angles: Congruent angles have the same measure. Two angles that are supplementary to the same angle can have different measures, so option b is not the correct answer.

c. They are complementary angles: Complementary angles are two angles that add up to 90 degrees. Since two angles that are supplementary to the same angle add up to 180 degrees, they cannot also be complementary. Therefore, option c is not the correct answer.

d. They are congruent supplementary angles: Congruent supplementary angles have the same measure and add up to 180 degrees. This is the correct answer because if two angles are supplementary to the same angle, their measures must be equal in order for their sum to be 180 degrees. Therefore, option d is the correct answer.

To summarize, if two angles are supplementary to the same angle, they are congruent supplementary angles because their measures are equal and add up to 180 degrees.

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Answer:

70% of 1/1 (1) is 0.7

Answer:

g=−28

Step-by-step explanation:

-74 = g/7 + -70

Let's solve your equation step-by-step.

−74=g/7−70

Step 1: Simplify both sides of the equation.

−74=g/7−70

−74=1/7g+−70

−74=1/7g−70

Step 2: Flip the equation.

1/7g−70=−74

Step 3: Add 70 to both sides.

1/7g−70+70=−74+70

1/7g=−4

Step 4: Multiply both sides by 7.

7*(1/7g)=(7)*(−4)

g=−28

The net profit for the year ending December 31, 2021, is £1,000. Therefore, the correct answer is d) £1,000.

To determine the net profit for the year ending December 31, 2021, we need to calculate the total revenue and subtract the total expenses. Let's analyze the transactions provided:

The owners invested £550,000 of their own funds into the business bank account. This does not affect the net profit as it represents an owner's contribution of capital.

The business used £16,000 from the bank account to purchase short features and fashion. This expense reduces the net profit.

The business used £10,000 from the bank account to buy new inventory. This expense also reduces the net profit.

The business bought additional inventory worth £9,000 on credit. This is not an expense for the current year as it represents an increase in assets.

The shop sold £28,000 worth of inventory to customers for cash. This revenue increases the net profit.

The business sold goods costing £6,000 to another business on credit for £8,000. This revenue also increases the net profit.

The business paid £9,000 in rent from the bank account. This expense reduces the net profit.

Depreciation and estimated electricity expenses are not mentioned in the given transactions and cannot be calculated.

The owners withdrew £10,000 in cash for personal use. This is not an expense for the business and does not affect the net profit.

Based on the provided information, we can calculate the net profit as follows:

Total Revenue = £28,000 (from sales to customers) + £8,000 (from sales to another business) = £36,000

Total Expenses = £16,000 (short features and fashion) + £10,000 (new inventory) + £9,000 (rent) = £35,000

Net Profit = Total Revenue - Total Expenses = £36,000 - £35,000 = £1,000

Therefore, the net profit obtained is £1,000.

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Question 3: True

Question 4: False

Question 5: True

If the derivative of a function, f'(x), is positive for values of x less than c and negative for values of x greater than c, then it indicates a change in the slope of the function. This change from positive slope to negative slope suggests that the function has a maximum value at x = c.

This is because the function is increasing before x = c and decreasing after x = c, indicating a peak or maximum at x = c.

Question 3: If f'(c) < 0 then f(x) is decreasing and the graph of f(x) is concave down when x = c.

True

When the derivative of a function, f'(x), is negative at a point c, it indicates that the function is decreasing at that point. Additionally, if the second derivative, f''(x), exists and is negative at x = c, it implies that the graph of f(x) is concave down at that point.

Question 4: A local extreme point of a polynomial function f(x) can only occur when f'(x) = 0.

False

A local extreme point of a polynomial function can occur when f'(x) = 0, but it is not the only condition. A local extreme point can also occur when f'(x) does not exist (such as at a sharp corner or cusp) or when f'(x) is undefined. Therefore, f'(x) being equal to zero is not the sole requirement for a local extreme point to exist.

Question 5: If f'(x) > 0 when x < c and f'(x) < 0 when x > c, then f(x) has a maximum value when x = c.

True

If the derivative of a function, f'(x), is positive for values of x less than c and negative for values of x greater than c, then it indicates a change in the slope of the function. This change from positive slope to negative slope suggests that the function has a maximum value at x = c. This is because the function is increasing before x = c and decreasing after x = c, indicating a peak or maximum at x = c.

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The measure of angle 1 is given as follows:

m < 1 = 150º.

From the image given at the end of the answer, we have that two Railroad tracks are transversal to the Olive Street.

Considering that Olive Street is transversal to the parallel lines, we have that the angle 2 forms a linear pair with the angle of 30º.

Linear pairs are supplementary angles, meaning that the sum of their measures is of 180º, hence the measure of angle 2 is given as follows:

m < 2 + 30º = 180º

m < 2 = 180º - 30º

m < 2 = 150º.

Now we have that angles 1 and 2 are alternate interior angles, as they are between the two parallel lines, on the opposite side of the transversal.

Alternate interior angles are congruent, meaning that the measure of angle 1 is given as follows:

m < 1 = 150º.

The diagram is given by the image shown at the end of the answer.

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The parent would have to earn at least $4.166

$2,475 * 12 months = $29,700

$4,000 savings goal to the family's yearly income

$29,700 + $4,000 = $33,700

yearly income for second parent

80 hours/month * 12 months = 960 hours/year

If offer of daycare is accepted

$33,700 (total income) - $29,700 (first parent's income)

= $4,000

$4,000 / 960 hours = $4.166

this is the minimum wage

The parent would have to earn at least $4.166

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She should use (b) x + 1 to represent her second number

From the question, we have the following statements that can be used in our computation:

As a general rule

Consecutive numbers are number that have a difference of 1 i.e both numbers are next to each other

Take for instance:

2 and 3, 5 and 6, 10 and 11 are all instances of consecutive numbers

Recall that she uses x to represent her first number

This means that the next number is

Next number = First number + 1

Substitute the known values in the above equation, so, we have the following representation

Next number = x + 1

Hence, the second number is (b) x + 1

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Answer:

First of all multiply 5 in three times

Answer:

3x - 4/2

Step-by-step explanation:

2 result(s) for "f(x) = 4x³ - 10 g(x)

The area of the part of the sphere x² + y² + z² = a² that lies within the cylinder x² + y² = ax and above the xy-plane.

Step 1: Determine the intersection curve

To find the region on the sphere that lies within the cylinder, we need to determine the points where the sphere and the cylinder intersect. By substituting the equation of the cylinder into the equation of the sphere, we can find the points of intersection.

Substituting x² + y² = ax into x² + y² + z² = a², we have:

(ax) + z² = a²,

z² = a² - ax,

z = ±√(a² - ax).

Step 2: Set up the integral

To find the area of the surface, we'll use a double integral over the region of interest. Since we're dealing with surfaces, it's convenient to express the area element in terms of the cylindrical coordinates (r, θ, z).

The area element in cylindrical coordinates is given by dA = r dz dθ.

Step 3: Define the limits of integration

To set up the limits of integration, we need to consider the region of interest.

Therefore, the limits of integration are:

For θ: 0 ≤ θ ≤ 2π (since we want to integrate over the entire circle)

For r: 0 ≤ r ≤ a (to stay within the sphere)

For z: 0 ≤ z ≤ √(a² - ax) (to stay above the xy-plane and below the sphere)

Step 4: Evaluate the integral

Now, we can set up and evaluate the double integral using the defined limits of integration:

Area = ∫∫r dz dθ.

Integrating with respect to z:

Area = ∫[0 to 2π] ∫[0 to a] r √(a² - ax) dr dθ.

Evaluating this integral will give us the desired area.

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Answer:

The answer is 13%

Step-by-step explanation:

The approximate percent increase is 13%.

Percentage increase is the difference between the final value and the initial value, expressed in the form of a percentage. To calculate the percentage we need to have the initial value and the increased (new) value. In other words, we can say that percentage increase is a measure of percent change which gives the extent to which a quantity gains magnitude, intensity, or value. If the percentage increase is a negative value, then we can say that there is a percentage decrease of the same magnitude.

Following the concept of percentage increase, the percentage increase formula is derived and expressed as: Percentage Increase = [(Final Value - Initial Value)/Initial Value] × 100. It should be noted that since the percentage has to be a positive quantity, we take the absolute value of the initial value. If the percentage increase is a negative value, then it is a percentage decrease. The percentage increase is the relative change in the quantity with respect to its initial value. If the percentage change is positive, then it is the percentage increase and if the percentage change is negative, it is a percentage decrease.

Given:

initial =$900,000

Final = $900,000

% increase = $900,000- $800,000/ $800,000 * 100

% increase = 100, 000/8000

% increase = 12.5 %

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Answer:

Remember your good memories

and just relax drink a water it can

comfort u

Answer:

Here's the 10 tips goodluck and be safe okay?

A line is the shortest distance between two points. The value of x from the given parameters is 3

A line is defined as the shortest distance between two points. Given the following parameters

TU = 1 - x,

UB = 4x + 17,

TB = -3x

According to the addition postulate;

TU + UB = TB

Substitute the given parameters to have:

1 - x + 4x + 17 = -3x

Collect the like terms to have:

1+3x+17 = -3x

3x+3x = -1-17

Simplify

6x = -18

Divide both sides by 6

6x/6 = -18/6

x = -18/6

x = -3

Hence the value of x from the given parameters is 3

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x=12

hope this helps :))

Answer:

x = 12

Step-by-step explanation:

subtract 12 from the 26 and you get 14 so x = 12

Answer:

m = -x

Step-by-step explanation:

x +y = y-m

subtract y on both sides which will cancel them out, we are left with

x = -m

multiply both sides by -1 to get rid of the -m

x × -1 = -x, -m × -1 = m

final answer: m = -x

Let's solve

Done!

Step-by-step explanation:

A. t-3=18. Tina is 21. Here's your answer.

The correct option is A

The equation that represents this situation is \(t-3=18\). Tina is \(21\).

The explanation for the correct option:

Option A:

From the given question:

\(t-3=18\)

Adding \(3\) both sides in order to solve for \(t\):

\(t=18+3\)

  \(=21 \ years\)

Therefore, the equation to find the age of Tina is \(t-3=18\) and the age of Tina is \(21\) years.

Hence, Option (A) is the correct option.