Do the one you would like please show work

Answer:

Step-by-step explanation:

n+10-(2n+3)=n+10-2n-3=-n+7

-n+7=0,n=7

if n <7,n+10>2n+3 always.

if n>7,n+10 is never >2n+3

Answer:

what did you get!!???

Step-by-step explanation:

what did you get i really need this!

The Laplace equation ∂²f/∂x² + ∂²f/∂y² = 0 is satisfied by the function f(x,y) = 4x - 5y + 5.

The given Laplace equation is ∂²f/∂x² + ∂²f/∂y² = 0.

To show that f(x, y) = 4x - 5y + 5 satisfies this equation, we differentiate it twice with respect to x and y.

∂f/∂x = 4 and ∂²f/∂x² = 0∂f/∂y = -5 and ∂²f/∂y² = 0

Thus, substituting the values in the given equation, we get: ∂²f/∂x² + ∂²f/∂y² = 0 ⇒ 0 + 0 = 0

Therefore, the given function f(x, y) = 4x - 5y + 5 satisfies the two-dimensional Laplace equation.

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Perimeter is the distance around the outside.

A square has 4 equal sides:

Perimeter = 21 x 4 = 84 yards

Answer: Perimeter = 84 yd

Explanation:

Perimeter of square = 4 × side

Side = 21 yd

Perimeter = 4 × 21

= 84 yd

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Using a proportional relationship, it is found that:

Dillon recommends that the amount of time college students spend studying each week should be about the amount twice the time spent in class.

A proportional relationship is a function in which the output variable is given by the multiplication of the input variable and the constant of proportionality represented by k, according to the rule presented as follows:

y = kx

For this problem, the variables are presented as follows:

From the table, the constant is calculated as follows:

k = 24/12 = 18/9 = 12/6 = 2.

Meaning that the amount of study should be twice the time spent in class.

The table relating the variables is given at the end of the answer.

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The example of quantitative data among the given options is option A. North America is moving across Earth's surface several centimeters per year

Quantitative data refers to numerical or measurable information. In option A, the statement provides specific numerical measurements by stating that North America is moving across Earth's surface several centimeters per year. This information can be quantified and measured, making it an example of quantitative data.

Options B, C, D, and E do not provide numerical or measurable information. They describe qualitative characteristics or observations that cannot be easily quantified or measured.

B. The river has flooded a low-lying area describes a qualitative observation of a flood occurrence.

C. The volcano is releasing much steam describes a qualitative observation of steam release.

D. Volcanoes are dangerous makes a general statement without providing specific numerical information.

E. When held, one rock feels heavier than another rock is a subjective comparison and does not provide specific quantitative measurements.

Therefore, option A is the example of quantitative data as it provides numerical information that can be measured and quantified.

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Answer:

the formula is -xcomma y because I there is y intercept then there x will be negative. not y

Answer:

need more information

You either mean

\(\left(2x - \dfrac14\right) + \left(\dfrac x3\right) = 2\)

or, as your other question suggests,

\(\dfrac{2x - 1}4 + \dfrac x3 = 2\)

I'll assume you do in fact mean the second equation.

Find a common denominator for the fractions on the left side:

\(\dfrac{2x - 1}4 \times \dfrac33 + \dfrac x3 \times \dfrac44 = 2\)

\(\dfrac{6x - 3}{12} + \dfrac{4x}{12} = 2\)

Combine the fractions:

\(\dfrac{6x - 3 + 4x}{12} = 2\)

Simplify the left side:

\(\dfrac{10x - 3}{12} = 2\)

Multiply both sides by 12 :

\(\dfrac{10x - 3}{12} \times 12 = 2 \times 12\)

\(10x - 3 = 24\)

Add 3 to both sides:

\(10x - 3 + 3 = 24 + 3\)

\(10x = 27\)

Multiply both sides by 1/10 :

\(10x \times \dfrac1{10} = 27 \times \dfrac1{10}\)

\(\boxed{x = \dfrac{27}{10} = 2.7}\)

Answer:

x> -9

Step-by-step explanation:

Because the point stops at -9 and does not continue on infinitely. This means it can go higher than -9 infinitely but not lower. So x should be anything greater than or equal to -9.

One example of a unital commutative ring R that does not admit a unique factorization into irreducible polynomials is the ring of integers in the number field Q(sqrt(-5)). Consider the polynomial f(x) = x^2 + 5. This polynomial is irreducible over Q, but it factors in R as (x + sqrt(-5))(x - sqrt(-5)).

To see why this polynomial does not admit a unique factorization, suppose that f(x) could be factored into irreducible polynomials g(x) and h(x) in R. Then we would have g(x)h(x) = f(x) = x^2 + 5. Since f(x) is irreducible over Q, it is also irreducible over R, so g(x) and h(x) must be non-constant polynomials. Moreover, since R is a unique factorization domain, g(x) and h(x) must themselves be products of irreducible polynomials.

Now consider the constant coefficient of g(x) and h(x). Since the constant coefficient of f(x) is 5, we must have one of the constant coefficients of g(x) and h(x) equal to 1 and the other equal to 5. Without loss of generality, assume that the constant coefficient of g(x) is 1 and the constant coefficient of h(x) is 5. Then the quadratic coefficient of g(x) and h(x) must sum to 0, since the quadratic coefficient of f(x) is 1. But the only way to get a sum of 0 with a constant coefficient of 1 and 5 is to have the linear coefficient of one of the factors be a multiple of sqrt(-5). Without loss of generality, assume that the linear coefficient of g(x) is a multiple of sqrt(-5). Then the constant coefficient of h(x) must be a unit in R, since it is the product of the constant coefficients of g(x) and h(x). But this implies that h(x) is not irreducible in R, since it has a root in R (namely, -sqrt(-5)).

Therefore, we have shown that f(x) does not admit a unique factorization into irreducible polynomials in R.
Hi! I'd be happy to help you with your question. Let's consider the unital commutative ring R = Z/4Z, which is not a field. We will analyze the polynomial f(x) = 2x^2 in R[x].

First, let's note that 2x^2 can be factored as (2x)^2, and both 2x and 2x^2 are non-constant polynomials in R[x]. Since R is not an integral domain, 2x is not a unit, and thus (2x)^2 is not a unit times an irreducible polynomial.

Now let's consider another factorization of 2x^2: (x+2)(2x). Here, x+2 and 2x are also non-constant polynomials in R[x] and neither is a unit.

Thus, we have two distinct factorizations of 2x^2 in R[x]:
1. (2x)^2
2. (x+2)(2x)

Since both factorizations consist of non-constant polynomials and neither contains a unit, we can conclude that 2x^2 does not admit a unique factorization into irreducible polynomials in the unital commutative ring R = Z/4Z.

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The numbers for which the rational expression is undefined are x=0 and x=-4.

To find the numbers for which the rational expression (7x^(4)+8)/(5x^(2)+20x) is undefined, we need to find the values of x that make the denominator equal to zero. This is because division by zero is undefined.

So, we need to solve the equation 5x^(2)+20x=0 for x.

We can factor out a common factor of 5x from the equation:

5x(x+4)=0

Now, we can use the zero product property to set each factor equal to zero and solve for x:

5x=0 or x+4=0

x=0 or x=-4

So, the numbers for which the rational expression is undefined are x=0 and x=-4.

In summary, the rational expression (7x^(4)+8)/(5x^(2)+20x) is undefined for x=0 and x=-4.

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In light of this, Cylinder radius = r = 3.3 metres, Cylinder height = h = 6 metres. We need to calculate the cylinder's estimated volume in cubic feet. So, the approximate volume of the cylinder in cubic feet is 7237.775 ft³.

We now know that the formula for cylinder volume is V = πr²h , where V is the volume, r is the radius, h is the height, and π is a constant equal to 3.14.

Now, we can substitute the given values in the formula and solve for the volume of the cylinder. V = πr²h = 3.14 × (3.3 meters)² × (6 meters) ...[Substitute r = 3.3 meters, h = 6 meters and π = 3.14 in the above formula]V = 204.828 m³ ...[Solve using calculator]Now, we need to convert cubic meters into cubic feet.

We know that, 1 meter = 3.28084 feetSo, 1 meter³ = (3.28084 feet)³ = 35.3147 cubic feet. Therefore, 1 m³ = 35.3147 ft³.

Now, we can use this conversion factor to convert the volume of cylinder from cubic meters to cubic feet.V = 204.828 m³ × (35.3147 ft³/m³) = 7237.775 ft³ (approx).

Therefore, the approximate volume of the cylinder in cubic feet is 7237.775 ft³.

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c = pi/2, and the value of c > 1 such that the average value of f(x) on the interval [2, 20] is equal to c is c = pi/2.

The average value of a function f(x) on the interval [a, b] is given by:

Avg = 1/(b-a) * ∫[a, b] f(x) dx

We want to find a value of c > 1 such that the average value of the function \(f(x) = (9pi/x^2)cos(pi/x)\) on the interval [2, 20] is equal to c.

First, we find the integral of f(x) on the interval [2, 20]:

\(∫[2, 20] (9pi/x^2)cos(pi/x) dx\)

We can use u-substitution with u = pi/x, which gives us:

-9pi * ∫[pi/20, pi/2] cos(u) du

Evaluating this integral gives us:

\(-9pi * sin(u) |_pi/20^pi/2 = 9pi\)

Therefore, the average value of f(x) on the interval [2, 20] is:

\(Avg = 1/(20-2) * ∫[2, 20] (9pi/x^2)cos(pi/x) dx\)

= 1/18 * 9pi

= pi/2

Now we set c = pi/2 and solve for x:

Avg = c

\(pi/2 = 1/(20-2) * ∫[2, 20] (9pi/x^2)cos(pi/x) dx\)

pi/2 = 1/18 * 9pi

pi/2 = pi/2

Therefore, c = pi/2, and the value of c > 1 such that the average value of f(x) on the interval [2, 20] is equal to c is c = pi/2.

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The statement "A histogram with the hills to the far left means the image is overexposed" is not accurate. In fact, a histogram with the hills to the far left indicates that the image is underexposed, not overexposed.

A histogram is a graphical representation of the distribution of pixel values in an image. It displays the frequency of occurrence of different tonal values. The horizontal axis represents the tonal values, while the vertical axis represents the frequency or number of pixels.

When the hills of the histogram are concentrated towards the left side, it means that a significant portion of the image has darker or lower tonal values. This indicates an underexposed image, where the exposure settings were insufficient to capture enough light, resulting in a darker overall appearance.

Conversely, an overexposed image would have the hills of the histogram concentrated towards the right side, indicating that a significant portion of the image has brighter or higher tonal values.

Therefore, the correct interpretation is that a histogram with the hills to the far left means the image is underexposed, not overexposed.

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The solution for this question is \(A) 4�2−39�4x 2 −39x.\)

To perform the indicated operation and simplify \(\((26x+5) - (-4x^2 - 13x + 5)\),\)we distribute the negative sign to each term within the parentheses:

\(\((26x + 5) + 4x^2 + 13x - 5\)\)

Now we can combine like terms:

\(\(26x + 5 + 4x^2 + 13x - 5\)\)

Combine the\(\(x\)\) terms: \(\(26x + 13x = 39x\)\)

Combine the constant terms: \(\(5 - 5 = 0\)\)

The simplified expression is \(\(4x^2 + 39x + 0\),\) which can be further simplified to just \(\(4x^2 + 39x\).\)

Therefore, the correct answer is A) \(\(4x^2 - 39x\).\)

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The cost of tickets for a play is $3.00 for adults and $2.00 for children. 350 tickets were sold and $950 was collected. How many tickets of each type were sold?

Let x = number of $3 tickets

Let y = number of $2 tickets

Total = quantity × value

Answer:

X.

10, 20, 30, 40, 50, 60

Add them:

10 + 20 + 30 + 40 + 50 + 60

= 210

Then divide that sum by the many numbers there are, and there are 6 numbers in which we added.

210 ÷ 6

= 35, the mean for this is 35.

F.

4, 5, 6, 2, 3, 5

Add them:

4 + 5 + 6 + 2 + 3 + 5

= 25

Then divide that sum by the many numbers there are, and there are 6 numbers in which we added.

25 ÷ 6

= 4.1666..., the mean for this is 4.17.

The domain of the function h(x)=9x/x(x²-49) is (-∞, -7) ∪ (-7, 0) ∪ (0, 7) ∪ (7, ∞).

In math the term called the domain of a function is the set of its possible inputs which is the set of input values where for which the function is defined.

Here we have know the function is h(x)=9x/x(x²-49)

And we need to find the domain of the function.

Here we know that this function is defined for values where the denominator is not equal to zero.

Which is written as,

=> x(x²-49) ≠ 0

When we elaborate the equation based on the difference between the two squares property, it can be written as,

=> x(x + 7)(x - 7)  ≠ 0

Based on this we have identified that the value of x must not be

=> x  ≠ -7, 7, 0

Then the domain of the function is written as,

=> (-∞, -7) ∪ (-7, 0) ∪ (0, 7) ∪ (7, ∞).

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Step-by-step explanation:

75° is your answer

The point of concurrency determined by the three altitudes of any triangle is called the orthocenter of the triangle.

The orthocenter is the intersection of the three altitudes of the triangle. It is a point on the plane of the triangle that is equidistant from the three sides of the triangle.

To find the orthocenter of a triangle, you can draw the altitudes of the triangle and find the point where they intersect. The orthocenter is the point of concurrency for the three altitudes.

An orthocenter of a triangle is a point where the three lines that are perpendicular to the sides of the triangle intersect. These lines are called altitudes of the triangle.

Alternatively, you can use the following formula to find the coordinates of the orthocenter:

Let's say that the vertices of the triangle are A(x1, y1), B(x2, y2), and C(x3, y3). The coordinates of the orthocenter (H) can be found using the following formula:

Hx = ( (y1 - y3) (x1^2 + y1^2 - x3^2 - y3^2) - (y1 - y2) (x1^2 + y1^2 - x2^2 - y2^2) ) / (2 * (y1 - y3) - 2 * (y1 - y2))

Hy = ( (x1 - x3) (x1^2 + y1^2 - x3^2 - y3^2) - (x1 - x2) (x1^2 + y1^2 - x2^2 - y2^2) ) / (2 * (x1 - x3) - 2 * (x1 - x2))

Therefore, The point of concurrency determined by the three altitudes of any triangle is called the orthocenter of the triangle

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Answer

Explanation

The distributive property tells us that:

Thus, we can apply this property to our given equation in the right side:

The value of -1/2(-4a - 6) + a^2 when the value of a is a = 8 is 83

The complete question is added as an attachment

The expression is given as:

-1/2(-4a - 6) + a^2

The value of a is

a = 8

So, we have:

-1/2(-4 * 8 - 6) + 8^2

Evaluate the product and the exponent

-1/2(-32 - 6) + 64

Evaluate the difference

-1/2(-38) + 64

Expand

19 + 64

Evaluate

83

Hence, the value of -1/2(-4a - 6) + a^2 when the value of a is a = 8 is 83

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Answer:

B

Step-by-step explanation:

Answer:

2.64

Step-by-step explanation:

The 8 in the thousandths place can round up to .64

The odds she will win this competition is 14 to 11.

What is probability?

Odds in favor of an event is ratio of probability of an event to its completion:

Probability =0.56 / 1-0.56

= 0.56/0.44

= 56/44

= 14/11

Hence, the odds she will win this competition is 14 to 11.

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Therefore, the state government should consider investing in new affordable housing initiatives.

a) To compute the 90% confidence interval, we can use the formula:

CI = p ± z*(√(p(1-p))/n)

where p is the sample proportion, z is the z-score corresponding to a 90% confidence level (which is 1.645), and n is the sample size.

Plugging in the values, we get:

CI = 0.517 ± 1.645*(√((0.517)(1-0.517))/4527)

CI = 0.505 to 0.529 (rounded to three decimal places)

b) The 90% confidence interval tells us that we are 90% confident that the true proportion of Californians who considered moving out of the state is between 0.505 and 0.529.

c) Since the confidence interval does not include the value of 0.5, which is the null hypothesis value, we can conclude that there is evidence to suggest that more than 50% of Californians would consider moving out of state due to high cost of housing.

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The required number of bricks is 2990. None of the options are correct.

Given that,
Marcus builds a brick wall that is 23 bricks across and 130 bricks high. Which is the best estimate of how many bricks Marcus will use to build the wall is to be determined.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
Number of bricks in a row = 23
Number of bricks in column = 130
Total number of bricks = 23 * 130
                                      = 2990,

Thus, the required number of bricks is 2990. None of the options are correct.

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Lamar's office will take 12 weeks to recycle a total of 24 kilograms of paper

Information about the problem:

To solve this problem, we have to state the equation using the information of the problem:

Calculating the recycle rate of Lamar's office, we get:

Rate = Kg recycled / time

Rate = 6 kg/3 weeks

Rate = 2 kg/week

Calculating how many weeks Lamar's office will take to recycle 24 kilograms:

Weeks = Total recycle/ rate

Weeks = 24 kg / 2kg/week

Weeks = 12 weeks

We can say that they are the set of numbers and symbols that are related by the different mathematical operation signs such as addition, subtraction, multiplication, division among others.

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Answer:

150.796 in³ of water

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Geometry

Step-by-step explanation:

Step 1: Define

Radius r = 3 in

Height h = 8 in

Step 2: Find Volume V

Step 3: Find Water

2/3 of vase should be filled with H₂O.

Answer:

We know the formula for the volume of a cylinder is V=πr^2has given.

That said, we can plug our values in.

V=π3^2(8)

Simplify.

V=π9*8

V=72π

It needs 72π cubic inches of water.

This is also equivalent to around 226.19 cubic inches of water.

Step-by-step explanation:

hope this helps