Find the area of the following
rhombus:
2m
13 m
A = [?] m²

The equation of a line passing through point P(-2,6) and parallel to x = -5 is x = - 2.

Slope: The pace at which the y-axis changes in relation to the x-axis is known as the slope.

Because tan90° is undefinable, the slope of a vertical line is also undefinable.

First, a line with the equation x = -5 is a vertical line that crosses the y-axis at x = -5 for all values of y from zero to infinity, with no defined slope.

For every real value of y, a line that is perpendicular to the line at x = -5 and contains coordinate points P(-2,6) is also a vertical line at x = -2.

Thus, it has the equation x = -2.

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Thus, the area is decreasing at a rate 12+20*π

The mathematical concept of "area" describes how big a region is on a planar or curved surface. A surface area is the area of an open surface or the border of a three-dimensional object, whereas a plane region's or plane's area's refers to a shape's or planar lamina's area.

Here,

Assume the circle's radius is r and the square's sides are s each.

The issue informs us that the radius is expanding at a pace of 2 m/hour. Dr/dt thus equals 2.

Four sides are shrinking simultaneously as the sides get smaller. ds/dt = -1 is the rate of change.

(why? because 4m/4 sides equals 1.

Find the area's formula right now. The region between the circle and the square is

A(t) = s^2 - π* r^2.

S(t) and R(t) are both time functions, thus you may compute a derivative with respect to t for both sides of the

equation. It follows that A'(t) = 2*s*s'(t) - 2**r*r' (t)

When r = 5 and s = 24/4 sides = 6, we are interested in the pace at which the area changes. Consequently, you

A'(t) = 2*6*(-1) - 2*π*5*2 = -12 - 20*π = -(12+20*π)

Thus, the area is decreasing at a rate 12+20*π

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By using the concept of percentage, the complete table has been shown below

What is percentage?

Suppose there is a number and the number has to be expressed as a fraction of 100. The fraction is called percentage. For example 13% means [tex]\frac{13}{100}[/tex]. Here 13 is expressed as a fraction of 100.

For marble

Lily's Measurement = 90 cm

Actual Measurement = 90 + 10 = 100 cm

Absolute difference = 10 cm

Percent error = [tex]\frac{10}{100} \times 100[/tex] = 10 %

For granite

Lily's Measurement = 65 cm

Actual Measurement = 50 cm

Absolute difference = 15 cm

Percent error = [tex]\frac{15}{50} \times 100[/tex] = 30 %

For concrete

Lily's Measurement = 30 + 6 = 36 cm

Actual Measurement = 30 cm

Absolute difference = 6 cm

Percent error = [tex]\frac{6}{30} \times 100[/tex] = 20 %

                           Marble                   Granite                      Concrete

Lily's

Measurement          90 cm                   65 cm                       36

Actual

Measurement         100 cm                  50 cm                       30

Absolute

Difference               10 cm                    15 cm                         6

Percentage

Error                        10%                        30%                           20%

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Complete Question

The table has been attached

We are aware that by day 20, the blossom will have covered half of the lake, or 1/2. It doubles the following day to become 1, which equals the entire lake. Knowing that the following day is  21.

Given that:

Each day, the amount of water lilies doubles. after 20 days, there are so many water lilies that the entire lake is covered.

we have something that doubles so 2 times something

after 20days = 20 × 2 = 40

However, we are aware that by day 20, the blossom will have covered half of the lake, or 1/2. It doubles the following day to become 1, which equals the entire lake. Knowing that the following day is  21.

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Answer:

-5(36x-1)x

Step-by-step explanation:

according to the question,

given data in the question'

there are 51 houses on a street'

each hoses has an address between 1000 and 1099

There are 51 residences and 1000 possible addresses, according to the pigeon hole principle. There must be at least one address between each house in order for there to be no houses with consecutive addresses. To do this, only give houses even numbers (leaving odd addresses as the buffer address)

Giving houses even numbers (leaving odd addresses as the buffer address) There are now 1000=50 addresses that can be used.

According to the pigeon hole principle, there must be at least one box that contains at least N

k things if N objects are put into k boxes.

Because of this, it is impossible to assign 50 distinct addresses to 51 separate homes without utilising a single consecutive integer.

So, at least one instance of a home must have consecutive integers, which.

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There are 2 houses that have at least consecutive integers .

According to the pigeonhole principle, at least one container must hold more than one item if n things are placed into m containers, where n > m.

According to the pigeonhole principle, if there are more pigeons than there are pigeonholes, then at least one pigeonhole must hold more than one pigeon. Although the underlying idea is clear, the ramifications are staggering. The explanation is that the principle establishes the reality (or absence) of a certain phenomena.

There are potential residences and addresses. There must be at least one address between each house in order for there to be no houses with consecutive addresses. To do this, only give houses even numbers (leaving odd addresses as the buffer address)

Houses are given even numbers, leaving odd addresses as the buffer address. As a result, we now have

50

addressable addresses

According to the "pigeon hole concept," if items are put into boxes, then there must be at least one box that contains at

[N/k]object.

As a result, it is impossible to assign distinct addresses to several dwellings without using at least one consecutive number.

Since there must be at least two homes with consecutive integer addresses, there must be at least one instance of consecutive integer addresses for houses.

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The value of the algebraic expression 11.5x + 10.9y  at x = 6 and y = 7 is 145.3

What is an algebraic expression?

Algebraic expression consists of variables and numbers connected with addition, subtraction, multiplication and division

The given algebraic expression is 11.5x + 10.9y

We have to find the value of the algebraic expression at x = 6 and y = 7

Putting x = 6 and y = 7 in the algebraic expression,

[tex]11.5 \times 6 + 10.9 \times 7[/tex]

69 + 76.3

145.3

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1) The price of part A is increasing by 3% per year.

2) Product A recorded a greater percentage change in price over the previous year.

The percentage change in price is calculated by the formula,

% change = (New price - old price)/old price × 100

If the difference between the new price and the old price is positive, then it is said to be increasing and if it is negative, it is said to be decreasing.

It is given that,

Maco is studying the change in the price of two products, A and B, over time.

Part A: For product A, the price in dollars is given by f(x) and the time is given by x.

I.e., f(x) = 0.69(1.03)ˣ

From this, product A has f(1) = 0.69(1.03)¹ = 0.71 and f(2) = 0.69(1.03)² = 0.73.

Then, the difference between f(2) and f(1) for product A is

f(2) - f(1) = 0.73 - 0.71 = 0.02

So, the % change of product A is increasing per year and it is

% increase = (f(2) - f(1))/f(1) × 100 = (0.02/0.71) × 100 = 2.89 ≅ 3%

Thus, the percentage of increase in product A is 3%.

Part B: For product B, the price in dollars is given by f(t) and the time is given by t.

I.e.,

t (in years)  -  1        2          3               4  

f(t) (price) - 10,100  10,201  10,303.01  10,406.04

From this, product B has f(1) = 10,100 and f(2) = 10,201

Then, the difference between f(2) and f(1) for product B is

f(2) - f(1) = 10,201 - 10,100 = 101

So, the % change of the product B is increasing per year and it is

% increase = (f(2) - f(1))/f(1) × 100 = (101/10100)× 100 = 1%

Therefore, product A has a greater percentage of increase than product B.

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Answer:

The bigger the denominator the less the value will be.

Just for clarification of what he said.

Answer:

y=8

Step-by-step explanation:

3y+5y=64

8y=64

y=8

Answer: Y=8

Step-by-step explanation:

Add 3y + 5y which equals 8y

Divide the 8y by 64

64/8 = 8

So y = 8

Answer:

___And Its Name Is Half Circle

The aforementioned postulates - ASA, SAS, SSS - are defined and explained below.

The given theorems are used in order to prove the congruency of triangles. If we are presented with a problem in which we are required to prove the congruency of two triangles, we can use these three postulates to prove it.

The three postulates are as thus -

SSS postulate: if 3 sides of the given triangles are equal, then the triangles are congruent.

SAS postulate: If 2 sides and an angle of the given triangles are equal, then the triangles are congruent.

ASA postulate: If 2 angles and a side (in the middle of the angles)of the given triangles are equal, then the triangles are congruent.

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For an initial Bacteria population of 8000 to reach 12000 bacteria it will take almost 4 hours.

Bacterial culture growth is defined as an increase in the number of bacteria within a population rather than an increase in the size of individual cells. Bacterial population growth occurs geometrically or exponentially. In each cycle of division (generation), the cell develops into 2 cells, then 4 cells, then 8 cells, then 16 cells, then 32 cells. The time required for generation formation, generation time (G), can be calculated using the following formula:

G = 1/n = [tex]\frac{t}{3.3logb/B}[/tex]

where B is the number of bacteria at the start of observation, b is the number of bacteria present after period t, and n is the number of generations. This relationship indicates that the average generation time is constant and the rate of bacterial population growth is proportional to the number of bacteria at any given time point. This relationship holds only during periods of exponential population growth called logarithmic growth.

According to the question:

2^(t/6) = 12000/8000 = 1.5

t = 6log1.5/log2

 = 3.6 hours

Round up, since in 4 hours it will double to 12,000.

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The measure of angle XBC is 18°.

Given that, ray BX is an angle bisector of angle ABC.

The angle bisector in geometry is the ray, line, or segment which divides a given angle into two equal parts.

Here,

m∠ABX = 2y+10, and m∠ABC = 10y-4

Now, m∠ABC = m∠ABX + m∠XBC

m∠ABX = m∠XBC

⇒ 10y-4 = m∠ABX+m∠ABX

⇒ 10y-4 = 2∠ABX

⇒ 10y-4 = 2(2y+10)

⇒ 10y-4 = 4y+20

⇒ 10y-4y = 20+4

⇒ 6y = 24

⇒ y=4

So, m∠XBC=2y+10

= 18°

Therefore, the measure of angle XBC is 18°.

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Answer:

To find the product of 5 x 10^3 and 9 x 10^7, we need to multiply the two numbers. The first step is to multiply the two numbers without the exponents, which gives us 5 x 9 = 45. Next, we need to add the exponents to find the exponent of the final product. 10^3 and 10^7 have exponents of 3 and 7, respectively, so the final exponent is 3 + 7 = 10. This means that the final product is 45 x 10^10, or 4.5 x 10^11 in standard form.

Step-by-step explanation:

The value of x in the quadratic equation is as follows:

x = 7 and x = 7

A quadratic equation is a polynomial equation in one unknown that contains the second degree, but no higher degree, of the variable.

The standard form of a quadratic equation is ax² + bx + c = 0, when a ≠ 0.

Let's solve for x in the quadratic equation 2x² – 28x = –98.

2x² – 28x = –98

2x² – 28x + 98 = 0

divide through by 2

x² - 14x + 49 = 0

The two numbers you can add get -14 and multiply to get 49 are -7 and -7.

Hence,

x² - 14x + 49 = 0

x² - 7x  - 7x + 49 = 0

x(x - 7) -7(x - 7) = 0

(x - 7)(x - 7) = 0

Therefore,

x = 7 and x = 7

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Alec buy 4 units of orange bucket and 10 units of teal bucket.

What is system of equations?

A set of one or more equations involving numerous variables is referred to as a system of equations. The variable mappings that satisfy all component equations are the solutions to systems of equations, or the points where the components of these equations intersect.

According to the given information, let us denote the quantity of orange bucket be x and teal bucket by y.

Therefore,  budget constraints would be:

10x + 3y = 70       ..(1)

It is also given that total number of bucket is 14, such that:

x + y = 14             ..(2)

From equation (2),

x = 14 - y

Plug x = 14 - y in equation (1)

10(14 - y) + 3y = 70

140 - 10y + 3y = 70

        140 - 7y = 70

                 7y = 140 - 70

                 7y = 70

                   y = 10

Plug y = 10 in x = 14 - y

⇒ x = 14 - 10

   x = 4

Hence,  Alec buy 4 units of orange bucket and 10 units of teal bucket.

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The angle of an equilateral triangle is 60°.

Equilateral triangle:

An equilateral triangle is a triangle with all three sides of equal length , corresponding to what could also be known as a "regular" triangle. An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides equal. An equilateral triangle also has three equal.

Here we have to find each angle of the triangle.

Data given:

sides of an equilateral triangle = 10inches

As it is clear from the definition that the angle of an equilateral triangle is equal.

Let's consider the triangle as ABC.

∠A + ∠B + ∠C = 180°

As the angle are equal so we take

∠A = ∠B = ∠C

So we have;

3∠A = 180°

∠A = 60°

Therefore the angle of the triangle is 60°.

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The minimal Length of network to cover the entire neighborhood is 1200 yard , the correct option is (d) .

In the question ,

a table of of distance between the 6 cities is given ,

we have to find the minimal length in which all the neighbor hood can be connected .

From the table we can see that ;

the minimum distance to connect the house 1 to house 2 = 100 yards.

the minimum distance to connect the house 3 is from 2 to 3 = 300 yards.

the minimum distance to connect the house 4 is from 2 to 4 = 250 yards.

the minimum distance to connect the house 5 is from 4 to 5 = 300 yards.

the minimum distance to connect the house 6 is from 4 to 6 = 250 yards.

On adding all the distance ,

we get , the minimum distance = 100 + 300 + 250 + 300 + 250 = 1200 yards .

Therefore , the minimal length of the network is 1200 yards .

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The charge per dozen donuts will be $18 according to the given ratio.

The ratio is the division of the two numbers.

For example, a/b, where a will be the numerator and b will be the denominator.

Proportion is the relation of a variable with another. It could be direct or inverse.

As per the given,

Big bobs bakery charges $9 for 1/2 dozen donuts.

$9 for 1/2 dozen donuts

For one dozen,

$9 x 2 = $18

Hence "The above ratio will result in a fee of $18 for a dozen donuts.".

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Answer:

Step-by-step explanation:

If you took a 3 and 4 the two fractions you could make are 3/4 and 4/3

Answer:

-12 (?)

Step-by-step explanation:

You have to multiply to find out what Y =

3x-4

A positive x a negative = a negative number (the negative sign doesn't effect how you multiply only changes the answer to a negative)

3 x (-4) =

-12

so Y = -12 ( 3 x -4 )

Answer:

$75

Step-by-step explanation:

25÷4= 6.25

6.25×12= 75

The total of 12 movies would be $75.

[tex]4 * 3 = 12[/tex]

[tex]25*3=75[/tex]

Thus, you're answer is $75.

Answer:

-10

Step-by-step explanation:

i just did it

The value of a is 5 on x- axis.

The pair of numbers that use the horizontal and vertical separations from the two reference axes to define a point's location on a coordinate plane. typically expressed by the x-value and y-value pair (x,y).

Given:

From the Graph we can mark the Coordinates.

One which the marked coordinates is (a, b) where is located at x- axis and y is located at y- axis.

Then, From the Figure we can see that a lies in between Coordinates (3, 3) and (6, 0) and close to a.

Hence, the value of a is 5 on x- axis.

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The symbol ∠ is used to denote an angle. The symbol m ∠ is sometimes used to denote the measure of an angle.

x = 15

∠H = 82

∠I = 49

∠G = 49

Note that side HG and side HI are congruent ( indicated by the little dashed line ) which means that their opposite angles are congruent ( ∠I and ∠G to be more specific. )

Angles in a triangle add up to equal 180°

Hence, 3x + 37 + 2 ( 4x - 11 ) = 180 ( note that the 2 in 2(4x - 11) came from angles I and G being congruent )

We now solve for x

3x + 37 + 2 ( 4x - 11 ) = 180

step 1 distribute the 2 to the 4x and -11

2 + 4x = 8x

-11 * 2 = -22

we now have 3x + 37 + 8x -22 = 180

step 2 combine like terms

3x + 8x = 11x

37 - 22 = 15

we now have 11x + 15 = 180

step 3 subtract 15 from each side

15 - 15 cancels out

180 - 15 = 165

we now have 11x = 165

step 4 divide each side by 11

11x / 11 = x

165 / 11 = 15

we're left with x = 15

Our final step is to find the measures of ∠G, ∠H and ∠I

We can do this by simply replacing x with 15 in their given expression

∠H = 3x + 37

* substitute 15 with x *

3 ( 15 ) + 37

3 * 15 = 45

45 + 37 = 82

Hence, ∠H = 82

∠I = 4x - 11

* substitute x with 15 *

4(15) - 11

4 * 15 = 60

60 - 11 = 49

Hence, ∠I = 49

Like stated previously ∠G and ∠I are congruent

Hence, ∠G = 49

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Answer: 2

Step-by-step explanation:

Answer:

Step-by-step explanation:

The answer is 2.

(10/16)/(5/16)=2

10/5=2

16/16=1

2/1=2

The value of the change in elevation is -42 meters

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

Expression = 3(4)(-3.5)

The above expression represents his change in elevation in meters after 3 hours

So, we have the following representation

Change in elevation = 3(4)(-3.5)

Remove the brackets and express them as products

So, we have the following representation

Change in elevation = 3 * 4 * -3.5

Evaluate the products

So, we have the following representation

Change in elevation = 12 * -3.5

Evaluate the products

So, we have the following representation

Change in elevation = -42

This represents the change in elevation

Hence, the change in elevation is -42 meters

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