antarctica is roughly semicircular, with a radius of 2000 km (fig. 1-5). the average thickness of its ice cover is 3000 m. how many cubic centimeters of ice does antarctica contain? (ignore the curvature of earth.)

the equation of line perpendicular to y=-2/3x+1 will be y = 3/2x -5/2.

What is equation straight line?

Y = mx + c is the general equation for a straight line, where m denotes the line's slope and c the y-intercept. It is the version of the equation for a straight line that is used most frequently in geometry. There are numerous ways to express the equation of a straight line, including point-slope form, slope-intercept form, general form, standard form, etc. A straight line is a geometric object with two dimensions and infinite lengths at both ends. The formulas for the equation of a straight line that are most frequently employed are y = mx + c and axe + by = c. Other versions include point-slope, slope-intercept, standard, general, and others.

The line given y=-2/3x+1

here the slope is -2/3

So the slope of the required line will be m2 = - 1/m1

m2 = 3/2

The required line equation will be [tex]\frac{y+4}{x+1}[/tex] = 3/2

2(y+4) = 3(x+1)

2y+8= 3x+3

y = 3/2x -5/2

Hence the equation of line perpendicular to y=-2/3x+1 will be y = 3/2x -5/2.

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Three degrees of freedom remain after applying five equations to eight variables. The other five variables may theoretically be solved for by specifying any three of them.

Five equations link these eight variables together. There are two equations given by the Pythagorean Theorem.

[tex]a^ 2=x^ 2+w^2 \ b^2=y^2+w^{\} 2[/tex]\

Two more are provided by the side ratios of similar triangles.

[tex]x/w=c/v[/tex]

[tex]y/w=c/u[/tex]

The two triangles are connected by the fifth equation, which is a straightforward linear relationship.

[tex]w=u+v[/tex]

Three degrees of freedom remain after applying five equations to eight variables. The other five variables may theoretically be solved for by specifying any three of them. But it might or might not be simple. What comes next will involve two distinct circumstances.

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Answer:

In factored form: [tex]y=\sqrt{-\frac{1}{25}(2x-10)(2x+10)}[/tex]

In standard form: [tex]y=\sqrt{-\frac{4}{25}x^2+4}[/tex]

Step-by-step explanation:

Generally for these type of equations we want to get the term with "y" by it self (ignoring coefficients and any operations such as square root, etc...) so we want to get rid of the [tex]4x^2[/tex] from the left side which we can do by subtracting this from both sides to maintain equality and get rid of it on the left side.

[tex]25y^2=-4x^2+100[/tex]

One thing I want to note here is we can actually factor the right side which we generally want to do, we can rewrite it as: [tex]-(4x^2-100)[/tex] and from here we have a difference of squares: [tex]a^2-b^2=(a-b)(a+b)[/tex] so we can rewrite this as: [tex]-(2x-10)(2x+10)[/tex]

[tex]25y^2=-(2x-10)(2x+10)[/tex]

From here we divide both sides by 25:

[tex]y^2=-\frac{1}{25}(2x-10)(2x+10)[/tex]

Now from here to get rid of that square we do the inverse which is taking the square root:

[tex]y=\sqrt{-\frac{1}{25}(2x-10)(2x+10)}[/tex]

The reason factoring is useful in this case is we can now easily determine the domain of the function since inside the square root we have a quadratic which is opening down meaning it's only not negative between the zeroes (including the zeroes since they're... zero not negative) and this would be the domain of the graph. But if we wanted it to not be in factored form we would just put back what we had so we would have:

[tex]y=\sqrt{-\frac{1}{25}(4x^2-100)}[/tex]

then distribute the -1/25 to get:

[tex]y=\sqrt{-\frac{4}{25}x^2+4}[/tex]

It seems that the sequence you provided is the sequence of triangular numbers. The function that generates this sequence could be defined as:

f(n) = n*(n+1)/2

Where n is the position of the number in the sequence.

So, for example:

f(1) = 1*(1+1)/2 = 1

f(2) = 2*(2+1)/2 = 3

f(3) = 3*(3+1)/2 = 6

and so on.

The each angle measure of the trigonometric ratios are obtained.

The given values is:

sin x = 0.7547,

Using trigonometric properties,

cos x = √(1 - sin²x)

         = √(1 - 0.7547²)

cos x = 0.6560

Cosec x = 1 / sin x

             = 1 / 0.7547

Cosec x = 1.3250

Now,

1 + cot²x = cosec²x

cot x =  √(cosec²x - 1)

        =  √(1.3250² - 1)

cot x = 0.8692

tan x = 1 / cot x

        =  1 / 0.8692

tan x = 1.1544

Thus, the each angle measure of the trigonometric ratios are obtained.

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The correlation coefficient for the data in the table is given as follows:

r = 0.724.

The coefficient is obtained inserting the points in a data-set in a correlation coefficient calculator.

The input and output variables are given as follows:

Hence the points that compose the data-set are given as follows:

(48, 34), (70, 46), (81, 38), (81,49), (86,49).

Inserting these points into a calculator, the correlation coefficient for the data is given as follows:

r = 0.724.

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The values of x at which the function has a local minimum are x = -4, 12.

The point in the domain of the functions with the lowest value is known as the local minimum. You may calculate the local minimum by determining the function's derivative. The first derivative and second derivative tests are the two key techniques for locating a function's local minimum.

There are several applications for the local minimum notion in business, economics, and engineering.

The least value of the function f(x) in the specified domain is essentially what the local minimum is.

From the graph, we observe

The value of the function f(x) is minimum at x = - 4 and x = 12

Therefore, x = -4, 12

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Answer:

5

Step-by-step explanation:

Answer:

I dont understand what this is can you add a picture of the question?

Step-by-step explanation:

The number of pounds of the chemical container can hold with given dimension is,  3600 pounds

In mathematics, Space occupied by three dimensional objects is called Volume. Basically it is a space within a closed region of every three dimensional object.

Given that,

1 ft³ = 60 pounds

A container which has dimensions,

length = 6 ft

height =  4 ft

width =  5/2 ft

Volume of container = length × height × width

             =  6 ×  4 ×   5/2

             =   60 ft³

1 ft³ = 60 pounds

60 ft³  = 60 × 60 pounds

           =  3600 pounds

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When p is a prime number greater than 3, the. option that is not a factor of 6p is A. p^2 (B

The process of factorization simply has to do with the division of arithmetic algebraic expressions into the sum of their factors. in this case, multiplying the variables will yield the original expression. It means the writing of a number into smaller or simpler numbers that give the original number.

6*p / 6*p = 1

6*p / 3*p = 2

6*p / 2*p = 3

6*p / 3 = 2*p

6*p / p^2 = 6 / p which is not divisible by any prime number greater than 3.

The correct option is A.

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Complete question

If p is a prime number greater than 3, which of the following is NOT a factor of 6p ?

(A) p^2 (B) 6p (C) 3p (D) 2p (E) 3

The area A(x) of the cross-section at location x for a=4 is given by A(x)=π(4-x)2, where x is the distance from the origin. This can be derived from the equation A(x)=π(a2-x2).

The area A(x) of the cross-section at location x for a=9 is given by A(x)= 3√3(9-x)2/4, where x is the distance from the origin. This can be derived from the equation A(x)=3√3(a2-x2)/4.

(iii). The volume of the solid described in (i) can be calculated using the equation V=∫A(x)dx, where A(x) is the area of the cross-section at location x, and the integral is taken from 0 to 4. Substituting A(x)=π(4-x)2, we have V=π∫(4-x)2dx, which gives V=π(16 - 8x + x3/3) evaluated from 0 to 4, or V=64π/3.

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the area of the shaded quadrilateral is equal to the sum of area of triangle  AOC and BOC is equal to 110 unit square.

Suppose area of  triangle CEO = x and area of COD =y

OE : OB = 16:20 (Ratios of the areas of AEO and AOB)

Hence, Area of CEO : Area COB = 16:20

Area of CEO : (Area of COD +Area of DOB) = 16;20

x : (y+10) = 16:20

10x=5(y+10) ........(1)

AO : OD = 20:10 (Ratios of the areas of AOB and DOB)

Hence, Area of AOC : Area DOC = 20:10

(Area of AOE + Area of COE) : Area of DOB= 20:10

(16+x) : y = 20:10

16+x=2y.......(2)

From (1) and (2)

x=68 and y=42

so the area of quadrilateral is 110.

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This is a answer of graph format. (1 - x) • (2x + 5)  = 0

what is graph?

Pull out like factors : [tex]-2x^{2} - 3x + 5 = -1 • (2x^{2} + 3x - 5)[/tex]

Factoring  [tex]2x^{2}[/tex] + 3x - 5

The first term is,  [tex]2x^{2}[/tex]  its coefficient is  2 .

The middle term is,  +3x  its coefficient is  3 .

The last term, "the constant", is  -5

Multiply the coefficient of the first term by the constant   2 • -5 = -10

Find two factors of  -10  whose sum equals the coefficient of the middle term, which is   3 .

       -10    +    1    =    -9

     -5    +    2    =    -3

     -2    +    5    =    3    That's it

Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -2  and  5

                    [tex]2x^{2} - 2x + 5x - 5[/tex]

Add up the first 2 terms, pulling out like factors :

                   2x • (x-1)

             Add up the last 2 terms, pulling out common factors :

                   5 • (x-1)

Add up the four terms of step 4 :

                   (2x+5)  •  (x-1)

            Which is the desired factorization.

Equation :

 (1 - x) • (2x + 5)  = 0

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The mean of the random variable w is 15, and the standard deviation is 3.46.

The formula for the mean of a random variable is μ = E(x), and the formula for the standard deviation of a random variable is σ = sqrt(Var(x)). In this case, the mean of the random variable x is 12, and the standard deviation is 3. We can calculate the mean and standard deviation of the random variable w as follows:

E(w) = E(x) + 3 = 12 + 3 = 15

Var(w) = Var(x) + 9 = 9 + 9 = 18

SD(w) = sqrt(Var(w)) = sqrt(18) = 3.46

Therefore, the mean of the random variable w is 15, and the standard deviation is 3.46.

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Answer:

51 questions she answered correctly.

Step-by-step explanation: 85/100 x 60

= 510/10

= 51

Answer:

51 questions

Step-by-step explanation:

To do this we need to realize that 85% is equal to 85/100. This can be simplified in fraction form to .85.

Looking at the question, we see that it says "Briley answered 85% of the 60 quiz..." A key word here is of. Of always means multiply. So we can see if we were going to form an equation, we would be multiplying.

Briley answered correctly = (85%) times (60 questions)

Mathematically, ?=(.85)x(60)=51

So we know she answered 51 correctly, and that 51 is 85% of 60.

I hope this helps you!

The number of times that you would expect to roll the numbers, when rolling an unbiased dice is:

a. 100 times

b. 300 times

c. 300 times

d. 200 times

e. 200 times

There is only a single 1 in a six sided unbiased dice so the number of rolls is:

= 1 / 6  x 600

= 100 times

There are 3 even numbers ( 2, 4, and 6) so the number of rolls :

= 3 / 6 x 600

= 300 times

There are 3 odd numbers ( 1, 3, 5 ) so number of rolls is:

= 3 / 6 x 600

= 300 times

There are 2 numbers less than 3 which are 1 and 2 :
= 2 / 6 x 600

= 200 times

There are 2 prime numbers ( 2 and 3 ):

= 2 / 6 x 600

= 200 times

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The measure of ∠A is 49.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Vertical angles are equal.

∠A = 8x - 23

∠B = 6x - 5

Now,

8x - 23 = 6x - 5

8x - 6x = -5 + 23

2x = 18
x = 9

Now,

∠A.

= 8x - 23

= 8 x 9 - 23

= 72 - 23

= 49

Thus,

∠A is 49.

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Assess reasonableness a monument will be at the circumcenter of a triangular plot of land at the state capital. on the coordinate grid, the vertices of the triangular plot of land are a(1, 5) , b(7, 5) , and c(8, 0) .

Overall, the statement that Unsupervised learning has more models and more evaluation methods used in order to ensure the outcome of the model is accurate is false. Unsupervised learning algorithms are taught using data that may be labeled, but in most cases the labels are not used to infer the model. The model of unsupervised learning does not take any feedback, as it is not supervised, and only input data is supplied to the model, no output data. The evaluation of unsupervised learning models relies on different metrics such as clustering accuracy, silhouette coefficient, etc. Unsupervised learning algorithms are used for tasks such as clustering, anomaly detection and density estimation.

assess reasonableness a monument will be at the circumcenter of a triangular plot of land at the state capital. on the coordinate grid, the vertices of the triangular plot of land are a(1, 5) , b(7, 5) , and c(8, 0) .

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The net torque about the axle is zero, as no external forces are acting on the disk.  Since there are no external forces acting on the disk, the sum of all the torques must be zero. Therefore, the net torque about the axle is zero.

The net torque about the axle is calculated by summing up all the torques about the axle due to external forces. Since there are no external forces acting on the disk, the sum of all the torques must be zero. Therefore, the net torque about the axle is zero.

The net torque about the axle of the 16-cm diameter disk in is zero, since there are no external forces acting on the disk. To calculate the net torque about the axle, we need to take the sum of all the torques about the axle due to external forces. Since there are no external forces, this sum must be zero. This means that the net torque about the axle is zero. This is because there is no force causing the disk to rotate and therefore, the net torque about the axle must also be zero. This result is consistent with the law of conservation of angular momentum, which states that when no external forces are acting on an object, the total angular momentum of the system must remain constant. Thus, the net torque about the axle of the 16-cm diameter disk in is zero.

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The solution curve for the differential equation dy/dx = (y - y²) / x is plotted in the slope field.

What is a slope field?

The solutions to a scalar function's first-order differential equation are shown graphically by slope fields, also known as direction fields. Functions depicted as solid curves are solutions to a slope field. In order to determine the estimated tangent slope at a point on a curve, where the curve is some solution to the differential equation, one can use a slope field, which displays the slope of a differential equation at specific vertical and horizontal intervals on the x-y plane.

The slope field is a cartesian grid where you draw lines in various directions to represent the slopes of the tangents to the solution. Therefore by drawing a curve through consecutive slope lines, we can find a solution to the differential equation.

The differential equation is dy/dx = (y - y²) / x.

The solution curve is drawn using the solution points (1,2) for the differential equation.

Therefore, the solution curve is obtained.

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By using divisibility rule, the possible factors of number are-

For the stated number:

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After 8 months both Boden and Camden will have the same number of CDs.

The given data:

Let 'n; be the total number of months, when both have the same amount of CDs.

Thus,

For 4 new CDs each month bought by Boden: 45 + 4n.

For 2 new CDs each month bought by  Camden : 61 + 2n.

Then, the equation becomes:

45+ 4n = 61 + 2n

45 + 2n = 61

2n = 16

n = 8

Thus, after 8 months both Boden and Camden will have the same number of CDs.

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The correct answer is Diary.

We acquire a different understanding of participants' experiences than we might from other techniques when participants immediately record their observations or perceptions. Participants may feel more comfortable expressing themselves in a diary than in an interview since sometimes personal reflections are more open. The participant's commitment to following through is, of course, a requirement of diary systems. It can be difficult to anticipate someone's availability to write within the time range set by the researcher. To get over these challenges, contemporary diary researchers employ a range of strategies, including as utilizing apps and technology or combining textual and artistic techniques

Hence, The correct answer is Diary Method.

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The value of x and y for the given equations are - (19/3) and -46/3 respectively.

A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("="). For instance, 2x - 5 = 13.

Given the two equations are as follows:

x = y + 9 and y = 4x + 10

Substitute the value of y in the first equation:

x = y + 9

x = 4x + 10 + 9

Isolate the value of x:

x - 4x = 19

-3x = 19

x = - (19/3)

Substitute the value of x in the first equation:

x = y + 9

- 19/3 = y + 9

Isolate the variable y:

y = -19/3 - 9

y = - 46/3

Hence, the value of x and y for the given equations are - (19/3) and -46/3 respectively.

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Answer:

B. 6p²+5p-6

Step-by-step explanation:

[tex]\bf \left(2p+3\right)\left(3p-2\right)[/tex]

Let's apply the FOIL method:-

[tex]\bf \left(2p+3\right)\left(3p-2\right)=[/tex]

[tex]\bf 2p\times \:3p+2p\left(-2\right)+3\times\:3p+3\left(-2\right)[/tex]

[tex]\bf 6p^2-4p+9p-6[/tex]

[tex]\bf 6p^2+5p-6[/tex]

Therefore, option B. 6p²+5p-6, is your answer!

__________________

Hope this helps!

Have a great day!

The pair of figures are similar because:• Both figures are parallelograms

• All sides are congruents and • Scale factor 1: 2.5

A scale factor is defined as the ratio between the scale of a given original object and a new object, which is its representation but of a different size (bigger or smaller).

The pair of figures are similar because:

• Both figures are parallelograms

• All sides are congruents

• Angles W and Y are congruent with angles P and R

• Angles X and Z are congruent with angles S and Q

• Scale factor 1: 2.5

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