Find the values of a and b such that 4x^2+12x=4(x+p)^2-q

Answer:

D

Step-by-step explanation:

7/1 times 3/4 equals 21/4 cups of milk

Answer:

497/√302 = 49.7

z-score = (44-0)/49.7 = 0.88

Probability = 0.8133

Answer:

Anna had 23 sweets in her bag at the start of the day.

Step-by-step explanation:

Let's use working backwards to find out how many sweets were in the bag at the start of the day.

At the end of lesson 4, Anna had 1 sweet left in her bag. So, before she gave a sweet to her teacher in lesson 4, she had 2 sweets left in her bag.

In lesson 3, she gave out half of the sweets left in her bag and then gave one to the teacher. So, before she gave a sweet to her teacher in lesson 3, she had 2 x 2 + 1 = 5 sweets in her bag.

In lesson 2, she gave out half of the sweets left in her bag and then gave one to the teacher. So, before she gave a sweet to her teacher in lesson 2, she had 5 x 2 + 1 = 11 sweets in her bag.

In lesson 1, she gave out half of the sweets in her bag and then gave one to the teacher. So, before she gave a sweet to her teacher in lesson 1, she had 11 x 2 + 1 = 23 sweets in her bag.

Therefore, Anna had 23 sweets in her bag at the start of the day.

Preparation of a Corrected set of Financial Statements :

Income Statements :

PARTY WAGON .INC

INCOME STATEMENT

FOR THE YEAR ENDED DECEMBER 31

CURRENT YEAR

Party Revenue Earned

156,000

Total Revenue

156,000

Expenses :

Insurance Expenses

2,160

Office Rent Expense

14,400

Supplies Expense

1,440

Salary Expense

90,000

Repair and Maintainence expense

2,400

Travel Expense

7,200

Miscellaneous Expense

4,320

Interest Expense

5,280

Depreciation - Van

9,600

Depreciation -Music and Equipment

8,400

Total Expenses

145,200

Income Before Income Tax

10,800

Less : Income Tax Expense

2,400

Net Income

8,400

Jack included balance sheet accounts in the income statement, therefore the corrected income statement consisting of revenue and expenses accounts is provided above.

Statement of Retained Earnings :

Retained Earnings (As per adjusted trial balance)  18,000

Add : Net Income  8,400

Less : Dividends  (1,200)

Retained Earnings Dec 31, Current Year  25,200

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Answer:

4:9

Step-by-step explanation:

Answer:

Scale factor = 2.25

Step-by-step explanation:

To find the scale factor between two similar shapes, we need to compare the corresponding sides of the shapes.

The scale factor is the ratio of the length of any side of one shape to the length of the corresponding side on the other shape.

From inspection of the given diagram, the ratio of the corresponding sides of the two similar figures is:

⇒ Figure 1 : Figure 2 = 8 : 18

Therefore, to find the scale factor from Figure 1 to Figure 2, divide the side length of Figure 2 by the corresponding side length of Figure 1:

[tex]\implies \sf Scale\;factor=\dfrac{18}{8}=2.25[/tex]

The value of the limits are:

The highest degree terms in the numerator and denominator are both 3x^2.

So, as x approaches infinity, the expression behaves like √(3x^2)/√(3x^2) = 1.

Therefore, the limit evaluates to:

lim x → ∞√(9+3x²)/(2+7x) = lim x → ∞(√(3x²)/√(3x²))

lim x → ∞√(9+3x²)/(2+7x) = 1.

(b) The highest degree term in the numerator is 3x^2, while the highest degree term in the denominator is 7x.

Therefore, as x approaches negative infinity, the expression behaves like:

√(3x^2)/√(7x) = √(3/7)(x^2/x) = √(3/7)x.

Since the coefficient of x is positive, the expression approaches negative infinity as x approaches negative infinity.

Therefore, the limit evaluates to:

lim x→-∞ √(9+3x^2)/(2+7x) = lim x→-∞ √(3/7)x

lim x→-∞ √(9+3x^2)/(2+7x)  = -∞.

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Complete question:

Evaluate the following limits. If needed, enter 'INF' for ∞ and '-INF for -∞.

(a)

lim x → ∞√9+3x²/2+7x

(b)

lim x→-∞  √9+3x2/2+7x

The angles of the triangle measure 15 degrees, 60 degrees, and 105 degrees.

Let the measures of the angles in the triangle be x, 4x, and 7x, where x is a constant.

According to the properties of a triangle, the sum of the angles is 180 degrees. So we have

x + 4x + 7x = 180

Simplifying this equation, we get

12x = 180

Dividing both sides by 12, we get

x = 15

Therefore, the measures of the angles are:

x = 15 degrees

4x = 4 × 15

Multiply the numbers

= 60 degrees

7x = 7 × 15

Multiply the numbers

= 105 degrees

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Step-by-step explanation:

try this option (see the attachment), answers are marked with red colour.

The original length of the reed is 3.83 nindas which can be calculated by using the information given in the question.

Area is a two-dimensional measurement of a surface or space. It is a measure of how much space is occupied by a two-dimensional object or surface. The area of a shape is determined by multiplying the length and width of the shape together.

Firstly, we need to calculate the width of the field. As the reed fits 30 times along the width, this implies that the width of the field is 30 times the length of the reed. Therefore, the width of the field is 30 x length of the reed.

Now, we need to calculate the area of the field. As the area of the field is given as 375 nindas², this implies that the area of the field is equal to 375 nindas².

We can substitute the width of the field (30 x length of the reed) into the equation for the area of the field, to yield: 375 nindas² = (30 x length of the reed) x length of the reed.

Solving for length of the reed, we get: length of the reed = (375/30)1/2 = 3.83 nindas.

Therefore, the original length of the reed is 3.83 nindas.

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According to the given information, Mary's total annual premium is $574 (rounded to the nearest dollar).

In mathematics, multiplication is an arithmetic operation that combines two or more numbers to produce a product. It is represented by the symbol "×" or "*", or by placing the numbers next to each other with no symbol between them.

Mary is 21 years old, so according to the rating factor table, her rating factor is 1.22 for a female.

For liability insurance, Mary has chosen the 50/100/25 coverage, which means $50,000 for bodily injury per person, $100,000 for bodily injury per accident, and $25,000 for property damage per accident. The premium for this coverage is $385.

For collision and comprehensive insurance, Mary has chosen a $500 deductible, so her premiums are $102 for collision and $87 for comprehensive.

To find the total annual premium, we add up the premiums for liability insurance and collision/comprehensive insurance:

Total premium = Liability premium + Collision premium + Comprehensive premium

Total premium = $385 + $102 + $87

Total premium = $574

Therefore, according to the given information, Mary's total annual premium is $574 (rounded to the nearest dollar).

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FALSE. Every random sample of the same size from a given population will not produce exactly the same confidence interval for μ.

The confidence interval is a statistical measure used to estimate the range of values within which a population parameter is likely to fall. The confidence interval is calculated based on the sample mean and standard deviation, as well as the level of confidence desired.

Suppose we take a random sample of size n from a population, and calculate the confidence interval for the population mean using this sample. The sample mean and the sample standard deviation will be used to estimate the true population mean and the population standard deviation, respectively. However, as the sample is random, each sample—despite being drawn from the same population—will have different values for the sample mean and standard deviation. Thus, different samples will produce different confidence intervals for the population mean.

Moreover, the size of the sample also affects the width of the confidence interval; larger samples tend to produce more precise estimates of the population mean, while smaller samples yield larger confidence intervals. Therefore, random samples of different sizes from a given population will also produce different confidence intervals.

In summary, the confidence interval is a statistical measure that provides a range of likely values for the population parameter, such as the population mean. While it can be calculated using any random sample from a population, different samples of the same size or different sizes will generally produce different confidence intervals.

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Answer:

Assuming that (gof)(5) means (g(f(5))):

(gof)(5) = g(f(5)) = g(3x + 7) = 5x + 2

Therefore, (gof)(5) = 5(3x + 7) + 2 = 15x + 17.

Answer: 314 square meters

Step-by-step explanation:

The formula for the area of a circle is given by A = πr^2, where r is the radius of the circle. Since the diameter of the circular patch is given as 20 meters, the radius would be half of that or 10 meters.

So, using the formula, we can calculate the area of the circular patch as follows:

A = πr^2

A = π(10)^2

A = 3.14(100)

A = 314 square meters

Therefore, the area of the circular patch is 314 square meters.

Answer: 24

Step-by-step explanation:

To find the area of the composite figure, we need to find the area of the sector and the area of the triangle and then add them together.

Area of sector = (θ/360) * π * r^2, where θ is the angle of the sector in degrees, r is the radius of the circle.

The angle of the sector can be found by subtracting the angle of the triangle from 360 degrees. The radius of the circle can be found by dividing the length of the arc by the angle of the sector.

Length of the arc = (θ/360) * 2πr = (60/360) * 2 * 3.14 * 4 = 4.19

Radius of the circle = 4.19/60 = 0.07

Angle of sector = 360 - 60 = 300 degrees

Area of sector = (300/360) * 3.14 * 0.07^2 = 0.0041

The area of the triangle can be found using the formula:

Area of triangle = (1/2) * base * height = (1/2) * 8 * 6 = 24

Therefore, the total area of the composite figure is:

0.0041 + 24 = 24.0041

Rounding to the nearest hundredth, the area of the composite figure is approximately 24.00.

Answer:

the difference is the first one, (-3)^2, is negative while the other is positive

Step-by-step explanation:

We can represent the number of elements in a set using the symbol |A| or n(A). So, we can say |A| = 5 or n(A) = 5. We can make generalizations about the equality of sets based on the definition above.

In mathematics, a set is a collection of distinct objects, which can be anything such as numbers, letters, or other mathematical objects. These objects are called the elements or members of the set. Sets can be defined using various methods such as listing the elements, describing properties of the elements, or using set-builder notation. For example, we can define the set of even numbers using set-builder notation as {x | x is an integer and x is divisible by 2}. Sets play a fundamental role in various branches of mathematics, including algebra, geometry, and analysis. They are used to define mathematical structures such as groups, rings, and fields, and to study various mathematical concepts such as functions, relations, and cardinality.

Here,

11.1.4 To determine the number of elements of a set, you need to count the number of distinct elements in the set. For example, if you have a set A = {1, 2, 3, 4, 5}, then the number of elements in set A is 5.

11.1.5 Two sets are equal if they have exactly the same elements. For example, if we have set A = {1, 2, 3} and set B = {3, 2, 1}, then A and B are equal sets because they contain the same elements, even though the order of the elements is different. We can write this as A = B. If two sets are not equal, then we use the symbol ≠ to denote inequality. For example, if set A = {1, 2, 3} and set B = {4, 5, 6}, then A ≠ B.

Some of these generalizations are:

Two sets are equal if and only if they have the same elements.

The order of the elements in a set does not matter for equality.

If two sets have different elements, then they are not equal.

If two sets have the same elements, but with different multiplicities, then they are not equal.

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Answer:

A) 15 idek

Step-by-step explanation:

Triangle ADE has a surface area of 75 cm².

Triangle area determination. Use the equation area = 1/2 * base * height to determine a triangle's surface area. Decide which side will serve as the triangle's base, then calculate the triangle's height from that base.

Using similarity to determine y's value

AD/BD = AE/BE

y/(a-x) = y/x

yx = y(a-x)

x = a/2

This fact can be used to determine the height of the trapezoid:

h = √(BC² - [(AB-DC)/2]²)

= √(10² - [2²]²)

= 8

Now that we know how long MD is, we can:

As a result of the triangles ADE and BDE's resemblance, we can now determine the value of y:

y/BD = AE/BE

y/(a-x) = y/x

yx = y(a-x)

x = a/2

Substituting x = a/2 and BD = AB - DC = 10 - 6 = 4, we get:

y/4 = AE/(a/2)

y = 2AE/a

Substituting y = 2AE/a in the above equation, we get:

(2AE/a)/4 = AE/(a/2)

AE = (a/2)²/2

We may now apply the triangle's area formula, ADE:

Area of ADE = (1/4) x y x (a+b)

= (1/4) x 2AE/a x (a+b)

= (1/8) x (a²/2) x (a+b)

= (1/16) x a² x (a+b)

Substituting a = 10 and b = 6, we get:

Area of ADE = (1/16) x 10² x (10+6)

= 75 cm².

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Answer:

So the lengths of the legs are approximately 8.6 cm and 15.6 cm.

Step-by-step explanation:

Let's call the smaller leg "x" and the larger leg "x + 7". According to the Pythagorean theorem, we know that:

x^2 + (x + 7)^2 = 17^2

Expanding the square on the left side and simplifying, we get:

2x^2 + 14x - 210 = 0

Dividing both sides by 2, we get:

x^2 + 7x - 105 = 0

Now we can solve for x using the quadratic formula:

x = (-7 ± sqrt(7^2 - 4(1)(-105))) / 2(1)

x = (-7 ± sqrt(649)) / 2

x ≈ -15.6 or x ≈ 8.6

Since we're dealing with lengths of sides in a triangle, we can't have a negative value for x. So we discard the negative solution and conclude that the smaller leg is approximately 8.6 cm.

To find the larger leg, we add 7 to x:

x + 7 ≈ 15.6 cm

The number of fractions between 0 and 1 (inclusive) with a denominator of 15 can be found using the formula (n-1)/n, where n is the denominator.

So, to answer your question, we can use the formula and plug in 15 for the value of n:

(15-1)/15 = 14/15

Therefore, there are 14 fractions between 0 and 1 (inclusive) with a denominator of 15.

[tex]80[/tex] billion dollars' worth of net exports were made by China and Germany. The first claim is accurate.

Export is the process of supplying goods and services to some other nation. Contrarily, importing is the act of acquiring goods from outside and transferring them into one's own nation.

The domestic product (GDP) is a measure of all the products and services generated in the United States; thus, changes in exports change significantly in the demand for goods and services made in the United States abroad.

The total of China's and Germany's net exports would be:

[tex]50[/tex] billion + [tex]30[/tex] billion [tex]= 80[/tex] billion

As a result, Germany & China's consolidated net exports amounted to [tex]80[/tex] billion u.s. dollars, reflecting answer option (a).

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Answer:

52

Step-by-step explanation:

10.40 TIMES 3

Answer:

Step-by-step explanation:

Let x be the number of points scored by Team B.

Then, Team A scored twice as many points, or 2x.

The total number of points scored by both teams is 12, so we can set up the equation:

x + 2x = 12

Combining like terms, we get:

3x = 12

Dividing both sides by 3, we get:

x = 4

So Team B scored 4 points, and Team A scored twice as many, or 8 points.

The equation of the tangent line to the curve sin( x y) = 8x- 8y on the factor( π, π) is y = (7/9) x-( 2π/ 9).

To discover the equation of the tangent line to the curve sin( x y) = 8x- 8y on the point( π, π), we want to apply implicit differentiation to discover the pitch of the tangent line at that point.

We begin through differencing both sides of the equation with reference to xcos( x y)( 1 dy/ dx) = eight- 8dy/ dx

After, we can simplify the expression by isolating the terms beholding dy/ dx on one aspect

cos( x y) cos( x y) dy/ dx = 8- 8dy/ dx

8 cos( x y)) dy/ dx = 8- cos( x y)

dy/ dx = ( 8- cos( x y))( 8 cos( x y))

Now we're suitable to discover the pitch of the tangent line at the factor( π, π) by plugging in x = π and y = π into the expression we simply derived

dy/ dx = ( 8- cos( 2π))( 8 cos( 2π))

dy/ dx = ( 8- 1)/( 8 1)

dy/ dx = 7/ nine

Thus, the pitch of the tangent line to the curve sin( x y) = 8x- 8y at the factor( π, π) is7/9.

To find the equation of the tangent line, we can use the point- slope form of the equation

y- y1 = m( x- x1)

In which m is the pitch we simply set up, and( x1, y1) is the point( π, π). Plugging in the values, we get

y- π = ( 7/ nine)( x- π)

Simplifying, we get

y = ( 7/ nine) x-( 2π/ nine)

Thus, the equation of the tangent line to the curve sin( x y) = 8x- 8y on the factor( π, π) is y = (7/9) x-( 2π/ 9).

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As a result, there is a 90° angle separating each couple of animal residences.

A geometric shape known as an angle is created by two rays that meet at a spot in the middle known as the vertex. The rays are typically depicted as a line section with an arrow pointing in the direction of the ray's extension on one end. When a complete circle is divided into 360 equal parts, each component being one degree, an angle is created that is measured in terms of degrees. The angle created when the radius of a circular equals the length of its arc is measured in radians.

given

A circle that includes the tree, pond, spider web, and bird's nest has been drawn by the photographer, with the camera in its middle. This is due to the fact that each time she rotates the camera anticlockwise, she is actually rotating it around the middle of this circle.

Call the angle between each set of animal residences "x" for simplicity. We can infer the following because the shooter always rotates the camera through the same angle:

Angle from pond to spider's web turned equals x Angle from tree to pond turned equals x

Angle from bird's nest to branch turned equals x

Since the photographer has made a full rotation, the total of these angles must be 360 degrees. Therefore:

x + x + x + x = 360

4x = 360

x = 90

As a result, there is a 90° angle separating each couple of animal residences.

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