What is the value of h? ( Picture 1)
A. 4
B.[tex]8\sqrt{3}[/tex]
C 16
D.[tex]8\sqrt{2}[/tex]
What are the angle measures of the triangle? (picture 2)
A. 45,45,90
B.60,60,60
C. 30,60,90
D. They cannot be determined
What is the value of x? (Picture 3)
A. [tex]5\sqrt{2}[/tex]
B.[tex]10\sqrt{2}[/tex]
C. 5
D. 10
A courtyard is shaped like a square with 250 ft long sides. What is the distance from one corner of the courtyard to the opposite corner? Round to the nearest tenth
A. 353.6ft
B. 500 ft
C. 433.0 ft
D. 176.8 ft
What is the value of x (Picture 4)
A. [tex]15\sqrt{3}[/tex]
B. 15/2
C. [tex]5\sqrt{3}[/tex]
D. [tex]15\sqrt{2} /2[/tex]
What is the height of an equilateral triangle with sides that are 12 cm long? Round to the nearest tenth.
A. 6cm
B. 10.4 cm
C. 8.5 cm
D. 6.9 cm

We can say that a's reduced row echelon form will have no zero rows.

Systems of linear equations can be solved using a type of matrix called reduced row echelon form.

If Ax = b has a unique solution for every b, then A must have full row rank, meaning that its reduced row echelon form will have no zero rows. This means that the reduced row echelon form of A will have a leading 1 in every non-zero row and will be in the form of an identity matrix. Therefore, the reduced row echelon form of A is the invertible matrix and A has a unique solution for every b.

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Answer:

The result of dividing the polynomial (15x +14^2 -40) / (-2x-5) is -7.5x - 7^2 + 20.

Step-by-step explanation:

The value of ∫ (x + 1)/(9x² + 6x + 5) dx by partial fractions is 1/18ln(9x² + 6x + 5) + 1/9 (tan^-1 (3x+1)/2)

Given ∫ (x + 1)/(9x² + 6x + 5) dx

Discriminant of is 9x² + 6x + 5 is

                                 D = 6² - 4 x 9 x 5 = - 144 < 0

So, 9x² + 6x + 5 cannot be factorized in rational factors

Observing that differential of 9x² + 6x + 5, let us split (x + 1)/(9x² + 6x + 5) as (18x + 18)/18(9x² + 6x + 5)

or (18x + 6)/18(9x² + 6x + 5) + (12)/18(9x² + 6x + 5)

So, (x + 1)/(9x² + 6x + 5) = (18x + 6)/18(9x² + 6x + 5) + (12)/18(9x² + 6x + 5)

∫ (x + 1)/(9x² + 6x + 5) dx = ∫ (18x + 6)/18(9x² + 6x + 5) dx + ∫ (12)/18(9x² + 6x + 5) dx

= 1/18∫ (18x + 6)/(9x² + 6x + 5) dx + 2/3∫ 1/(9x² + 6x + 5) dx

Let us integrate the first part and assume u = 9x² + 6x + 5

then, du = (18x + 6) dx

So, 1/18∫ (18x + 6)/(9x² + 6x + 5) dx = 1/18∫ 1/u du

                                                         = 1/18 lnu

                                                         = 1/18ln(9x² + 6x + 5)

For second part, 2/3∫ 1/(9x² + 6x + 5) dx, we will use

                     ∫ dx/(x² + a²) = 1/a tan^-1(x/a) +c

For this converting denominator into the sum of two squares, we get

    2/3∫ 1/(9x² + 6x + 5) dx = 2/27∫ 1 / ((x + 1/3)²+(2/3)²) dx

Let us now substitute u = x + 1/3 and as du = dx

so, 2/27∫ 1 / ((u)²+(2/3)²) dx = 2/27 (3/2 tan^-1 (3u/2))

                                            = 1/9 (tan^-1 (3(x+1/3)/2))

                                            = 1/9 (tan^-1 (3x+1)/2)

Hence,∫ (x + 1)/(9x² + 6x + 5) dx = 1/18ln(9x² + 6x + 5) + 1/9 (tan^-1 (3x+1)/2)

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The required change in pressure to maintain the flow rate in a pipe with a reducing diameter is ρ * v² / 16.

To maintain a constant flow rate in a pipe with changing diameter, the velocity of the fluid must remain constant. This is known as the principle of continuity, which states that the product of the velocity and the cross-sectional area of a pipe must remain constant.

Given that the diameter of the pipe is reduced from 8 inches to 4 inches, the cross-sectional area of the pipe is also reduced by a factor of 4. Hence, to maintain the same flow rate, the velocity of the fluid must increase by a factor of 4.

Since the fluid is incompressible and Newtonian, the pressure drop can be calculated using the continuity equation and motion equation (Bernoulli's equation).

ΔP = ρ * v²  / 2

where ΔP is the change in pressure, ρ is the density of the fluid, and v is the velocity of the fluid.

Plugging in the values, we get:

ΔP = ρ * (v / 4)² / 2 = ρ * v² / 16

So, the required change in pressure to maintain the flow rate in a pipe with a reducing diameter is ρ * v² / 16.

Complete Question:

'It is required to reduce a pipe diameter of 8 inches to a minimum diameter of 4 inches while maintaining a constant flow rate. Assuming the pipe is circular and the fluid is incompressible and Newtonian, what is the required change in pressure to maintain the flow rate?'

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Answer:

y=-3x-6

Step-by-step explanation:

y=kx+n

k= (y2-y1)/(x2-x1)= (-3) / 1 = -3

n = -6

T(-1, -3) checks out :)

y=-3x-6

The geometric series that has been provided is of divergence, since r>5.

The series is given as /10 + 3/2 + 15/2 + 75/2 + 325/2 +.....

The common ratio is

3/2 ÷ 3/10

= 3/2 ×10/3

= 5

Then,

15/2 ÷ 3/2

= 15/2 × 2/3

= 5

Thus, the common ratio is greater than 5. Therefore, the series is divergence.

Hence, the given geometric series is divergence, since r>5.

A series is considered to be convergent if the partial sums tend to a particular value, also known as a limit. In contrast, a divergent series is one whose partial sums do not approach a limit. Typically, the Divergent series either reach, reach, or don't reach a particular number.

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The measure of angle D is, 67.4°.

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

We have to given that;

In triangle DEF, DE = 21, EF = 24, and DF = 26.

By the formula, we get;

⇒ sin θ = Opposite / Hypotenuse

Substitute all the values, we get;

⇒ sin D = 24/26

⇒ sin D = 0.9430

⇒ ∠D = sin⁻¹ (0.9430)

⇒ ∠D = 67.4°

Thus, The measure of angle D is, 67.4°.

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Answer: What is the question itself you need help with?

Step-by-step explanation:

The Parent function f(x) = (x) is Horizontal shift: Right 2 units and Vertical shift: Down 6 units.

A family of functions simplest version of an equation is a parent function. A family of functions is a group of functions that exhibit the same traits as or undergo the same transformations as their parent function. There are various degree values that can be used to represent a parent function, including degrees 1, 2 and 3.

The parent function is the simplest form of the type of function given

f(x) = (x)

The transformation being described is from f(x) = (x) to g(x) = 3(x-2) -6

f(x) = (x)--> g(x) = 3(x-2) -6

The horizontal shift depends on the value of h. the horizontal shift is described as:

g(x) = f(x+h) - The graph is shifted to the left h units.

g(x) = f(x-h) - The graph is shifted to the right h units.

Horizontal shift: Right 2 units

The vertical shift depends on the value of k. The vertical shift is described as:

g(x) = f(x)+k – The graph is shifted up k units.

g(x) = f(x)-k – The graph is shifted down k units.

Vertical Shift: Down 6 units

The graph is reflected about the x-axis when

g(x) = -f(x)

Reflection about the x-axis is none

The graph is reflected about the y-axis when

g(x) = f(-x)

Reflection about the y-axis is none

Compare and list the transformations.

Parents function: f(x) = (x)

Horizontal shifts: Right 2 units

Vertical shifts: Down 6 units

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By making exponential function y=12500(1.07)^t, the value of the painting in 10 years will be $24589.

What are exponential functions?

An exponential function is a Mathematical function in the form f (x) = a^x, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0. The most commonly used exponential function base is the transcendental number e, which is approximately equal to 2.71828.

Now,

Initial value=$12500

Rate = 7% increase every year

so, we can make a function for the increment in value

y=12500(1+7/100)^t   where t=time in years

y=12500*1.07^t

for t=10

y=1250081.07^10

y=$24589

Hence,

         The value of the painting in 10 years will be $24589

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Answer: t-gx divided by Y

Step-by-step explanation:

subtract gx from both sides then divide by Y to get the H variable by itself.

Salut/Hello!

Step-by-step explanation:
/ - fraction line
Ben's probability to pass is 0,8
to make it simpler for you to understand I'm going to use percentages.

We can transform 0,8 in a fraction so 8/10 and amplify it by 10 so 80/100
so the percentage showing that Ben will pass is 80% to find out the percentage that Ben will fail we subtract 80% from 100% which results in 20%

so the probability that Ben will fail is 0,2
and Tom's probability to fail is 0,3


To find out the answer to b) we need to understand how we calculate it.

Take as an example a dice. A dice has 6 faces and you need 1 side to get out of jail (let's say you need a 6). Your probability to get that side is 1/6

But what if you have two dice and you need both to be 6? Well in that case it'll be 1/6 x 1/6 which is 1/36

So, to find out the probability of both passing, we have to do 8/10 x 7/10 which is 56/100 and it's equal to 0,56. And you might wonder why the probability both will pass seems bigger than their probability to pass. Well 0,8 actually can mean 0,800000... and so on but it's easier to just let it as 0,8

For c) the probability that only one will pass is: 0.12

We first need to find the probability both fail
100% - 56% = 44%

and we subtract 44% from 56% which is equal to 12% or 0.12


I hope it was helpful! :]

A two-dimensional reducing bend has a linear velocity profile at section  The flow is uniform at sections  The fluid is incompressible and the flow is steady.

As given in the  problem statement,flow is in compressible and flow is internal flow

Re=5*10^5

Using equation

V=Re/density*diameter of pipe

Maximum velocity=98.98 m/s

why are the Navier-stokes equations difficult to solve?

Being nonlinear makes the Navier-Stokes equation challenging to solve. Although it's frequently used, this word has a specific meaning in this context. A linear equation can have multiple simple solutions, all of which combined can yield a complex answer.

The Navier-Stokes equations lack an additional equation to determine the pressure levels at various locations. A partial differential equation used to model the flow of incompressible fluids is the Navier-Stokes equation in fluid mechanics.

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The value of a car purchased for 16400 dollars will depreciate at 12.5% per year.

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The probability that the greater of the two numbers obtained is 3 is A) 4/n(n - 1).

It is given that two chips are drawn at random without replacement from a bowl which contains n chips numbered 1 through n and n ≥ 3.

We are asked to find the probability that the greater of the two numbers obtained is 3.

The possible outcomes when two chips are drawn at random and the greater of the two numbers obtained is 3 = (1,3) and (2, 3)

So, there are only 2 outcomes

Total possible outcomes = ⁿC₂ = n(n - 1)/2

So, Probability = 2/(n(n - 1)/2)

                        = 4/n(n - 1)

Hence, the probability of getting 3 as the greatest of the two numbers is 4/n(n - 1)

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The cost of renting a tank is: 235.5 * 3 = $706.5

What is the volume of a cylinder?

The amount of space inside a cylinder is its volume. You can find it by dividing the base area by the height. V = πr²h is the formula for the volume of a cylinder with base radius "r" and height "h."

Here, we have

Given: A company rents water tanks shaped like cylinders. Each tank has a diameter of 10 feet and a height of 3 feet The cost is 3$.

We have to find the volume of one tank and multiply it by the cost of renting the tank per cubic foot.

The volume of a cylinder is:

V = πr²h

where r = radius

h = height

Each tank has a diameter of 10 feet (radius = 5 feet) and a height of 3 feet.

The volume of the tank is therefore:

V =  π(5)²(3)

V = 235.5ft

The cost of renting is $3 per cubic foot.

Hence, the cost of renting a tank is:

235.5 * 3 = $706.5

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The intervals in which the function is both increasing and concave up are given as follows:

x > 0.

The function in this problem is defined as follows:

f(x) = 2x^4 + 16x³ + 36x².

The first derivative of the function is given as follows:

f'(x) = 8x³ + 48x² + 72x.

The function is increasing when the first derivative is positive, hence the interval is:

x > 0.

The second derivative of the function is given as follows:

f'(x) = 24x² + 96x + 72.

The function is concave up when the second derivative is positive, hence the interval is:

x < -3 or x > -1.

The intersection of the intervals x < -3 or x > -1 and x > 0 is:

x > 0.

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The distributive property states that multiplying the total of two or more addends by a number yields the same result as multiplying each addend by the number separately and adding the results together.

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hence the value of the given limit is =4.

In mathematics, limits are the points at which a function approaches the output for the specified input values. Calculus and mathematical analysis depend heavily on limits, which are required to determine integrals, derivatives, and continuity. It is applied during the analysis process and always focuses on the function's behavior at a certain time. The idea of the limit of a topological net broadens the definition of the limit of a sequence and relates it to the limit and direct limit in the theory category. In general, there are two sorts of integrals: definite integrals and indefinite integrals. The upper limit and lower limit for definite integrals are correctly defined. whereas unbounded expressions of indeterminate integrals

We have f(x) = 4x+5

and we have to evaluate the limit-

[tex]\lim_{h \to0 }\frac{f(2+h)-f(2)}{h} \\[/tex]

Now, f(2+h)=4(2+h)+5

                 = 8+4h+5

                 =4h+13

f(2+h)=4h+13

and,

f(2)= 2*4+5=13

now the limit is-

[tex]\lim_{h \to 0} \frac{4h+13-13}{h}\\\\ \lim_{h \to 0} \frac{4h}{h}=4.[/tex]

hence the value of the given limit is =4.

the complete question is -

Fill in  the blanks.

evaluate  [tex]\lim_{h \to0 }\frac{f(2+h)-f(2)}{h} \\[/tex] ,where f(x)=4x 5 . if the limit does not exist enter DNE.   --------

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Acute triangle is the answer

An acute triangle has three acute angles (less than 90 degrees)

An obtuse angle has one obtuse angle (greater than 90 degrees)

A right triangle would have a perfect 90 degree angle

An equiangular triangle would have all equal angles.

Hope this helps!

Answer:

Step-by-step explanation:

an ant travels from the point $a (0,-63)$ to the point $b (0,74)$ as follows. it first crawls straight to $(x,0)$ with $x \ge 0$, moving at a constant speed of $\sqrt{2}$ units per second. it is then instantly teleported to the point $(x,x)$. finally, it heads directly to $b$ at 2 units per second. what value of $x$ should the ant choose to minimize the time it takes to travel from $a$ to $b$?

The significance of the z-score will be 1.6226.

According to the question,

The given values are:

Mean,

μ = 2.46

Standard deviation,

σ = 0.53

GPA,

x'= 3.32

Now,

→ The z-score will be:

= (x-μ)/σ

By putting the given values, we get

= [tex]\frac{3.32 - 2.46}{0.53}[/tex]  ( by using subtraction)

= [tex]\frac{0.86}{0.53}[/tex]           (by using division)

= 1.6226

So, the z-score for a GPA of 3.32 is 1.6226.

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Answer:

30%

Step-by-step explanation:

1.5/5 =30%

The diameter of the aperture in a 35-mm lens set to a stop of f/2 is 17.5mm.

In this question, we are asked to determine the size of the aperture or we can say Diameter of aperture

Given the focal length of lens (f) = 35 mm

The lens is set to a stop f/2

We need to find the size of the aperture

Let d be the diameter of the aperture.

So, d = f/2   --(1)

Putting the value of f = 35 mm in equation (1). We get,

d = (35 mm)/2

d = 17.5 mm

Hence, the Size (diameter) of the aperture is 17.5 mm

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Answer: The 4 in front of the h.

Step-by-step explanation: A coefficient simply means the number in front of a variable. If its a plain variable like x, the coefficient is basically 1.

the answer is 6h +1x

because we add the 4h and 2 than if there is one x that means is one if there is that will be 2x

i hope that helps you

thanku

a. Shorter side = 10 feet

b. Longer side = 24 feet

c. Hypotenuse = 26 feet

d. The side lengths of the triangle are 10ft, 24ft, and 26ft.

Let the length of the shorter leg be x.

The length of the longer leg of a right triangle is 4ft more than twice the shorter leg. This will be: = 2x + 4

The length of the hypotenuse is 6ft more than twice the shorter leg. This will be: = 2x + 6

Note that the square of the hypothenuse will be equal to the square of the other two sides. This will be:

x² + (2x + 4)² = (2x + 6)²

x² + (2x + 4)(2x + 4) = (2x + 6)(2x + 6)

x² + 4x² + 8x + 8x + 16 = 4x² + 12x + 12x + 36

x² + 4x² + 16x + 16 = 4x² + 24x + 36

5x² + 16x + 16 = 4x² + 24x + 36

Collect like terms

5x² - 4x² + 16x - 24x + 16 - 36 = 0

x² - 8x - 20 = 0

x² - 10x + 2x - 20 = 0

x(x - 10) + 2(x - 10) = 0

Therefore, x - 10 = 0

x =

a. length of the shorter side = 10ft

b. Length of the longer side = 2x + 4 = 2(10) + 4 = 20 + 4 = 24ft

c. length of the hypotenuse = 2x + 6 = 2(10) + 6 = 20 + 6 = 26ft

d. The side lengths of the triangle are 10ft, 24ft, and 26ft.

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The complete question is:

The length of the longer leg of a right triangle is 4ft more than twice the length of the shorter leg. The length of the hypotenuse is 6ft more than twice the length of the shorter leg. Find the side lengths of the triangle.

a. Find the length of the shorter side

b. Find the length of the longer side

c. Find the length of the hypotenuse

d. Find the side lengths of the triangle

According to the problem statement the actual boat is 96 inches long.

Boat in math is a geometric shape that is formed when two perpendicular lines intersect at two points, forming two pairs of equal-length sides that cross each other in the middle. It looks like the bottom of a boat with two sides meeting at the center. In mathematics, the boat shape is often used to represent an equation or a function. It is also used to illustrate the concept of a mathematical set, or group of related objects. The boat shape can also be used to graphically represent relationships between two or more variables.

The actual boat is 96 inches long. The scale factor of 24:1 means that for every 1 inch on the model, there are 24 inches on the actual boat. Therefore, for the 4 inch model boat, there are 4 × 24 = 96 inches on the actual boat.

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There are 7 people in Mr. Wilson's class, as Zach is the second person and Mary is the seventh person.

To calculate the total number of people in the class, we can use the formula 2x = 7, where x is the total number of people. Solving for x, we get x = 7.

To determine the number of people in Mr. Wilson's class, we can use the formula for the number of people in a circle, which is N = 2(n-1), where n is the number of people standing opposite each other in the circle. In this case, n is 2 (Zach and Mary). Therefore, N = 2(2-1) = 2 people. However, since there are 7 people in total in the circle, we can conclude that the number of people in Mr. Wilson's class is 7. To explain further, based on the given information, we can say that Zach is the second person, which means there are 2 people before him in the circle. Therefore, there are 7 people in Mr. Wilson's class. To further explain, we can break down the equation as follows: The person opposite of Zach is the seventh person, or 7th, so we can say that 7 is equal to the number of people in the class multiplied by 2, or 2x. Then, solving for x, we get x = 7. This means that the total number of people in the class is 7.

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The given polynomials are discussed and grouped into each given category as given below.

What is a polynomial?

A polynomial is a mathematical statement made up of coefficients and indeterminates that uses only the operations addition, subtraction, multiplication, and powers of positive integers of the variables.

We can now look into each polynomial.

a) x³ + 125

   125 is a cube of 5 and also  x³  is the power of x.

So this is a perfect cube.

b) 8p³ - 27

    8p³ is a perfect cube of 2p and 27 is a perfect cube of 3.

So it is a perfect cube.

c) 12x³-9

    This is neither a cube nor a square.

d) a²-100

   100 is a perfect square and so is a².

So this is a difference of perfect squares.

e) 4m² + 25

4m² is a square of 2m and 25 is a square of 5.

But the operator is +

So this is neither a cube nor a difference of a perfect square.

f) 16x²-9

16x² is a square of 4x and 9 is a square of 3.

Also, the operator is -

So this is a difference of perfect squares.

Therefore the above polynomials are discussed and grouped into each given category accordingly.

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