11x-2 can you solve for xplzz

Answer:

a measure of central tendency

Step-by-step explanation:

The mode of a given data set is a measure of central tendency.

Statistical tools are usually classified as either a measure of central tendency or a measure of dispersion.

A measure of central tendency is a parameter that tends to determine how close a data is to the center. These parameters are mean, median and mode

A measure of dispersion measures how spread a data set is from the mean. These parameters are standard deviation, variance e.t.c

The radius of the circle is approximately 12.183ft.

When finding the radius of a circle in which the central angle, intercepts an arc of the given length, we use the formula:

s=rα where s is the length of the arc, r is the radius of the circle and α is the angle in radians, so we need to convert the given central angle to radians.

Here is a step-by-step solution:

Given that α = 126° and s = 4ft,

we first need to convert α to radians by using the formula:

π radians = 180°or1 radian = 180°/πα = 126°= 126π/180 radians= 7π/10 radians Using the formula s = rα,

we can solve for the radius:r = s/α= 4/ (7π/10)= (40/7)π≈ 12.183ft

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Answer: y = 2.4

Step-by-step explanation: Lets plug in 2.4 for the value y;

y = 2.4

y x 5 = 12

2.4 x 5 = 12

You can find y by dividing 12 by 5 which equals 2.4

Answer:

28 yd²

Step-by-step explanation:

find the two biggest sides

2x4

8 but there are two sides...

8*2= 16

*16*

now side panels

1x4

4 but there are two

4*2= 8

*8*

top and bottom panels

2x1

2 but there are two

2*2= 4

*4*

add them up

16 + 8 + 4= 28  

The correct sequence of project phases is Definition - Planning  - Performance. The correct answer is B.

This is the typical order of project phases in a traditional project management approach. It starts with the definition phase, where the project's goals, the scope, and the requirements are established.

Then comes the planning phase, where the project plan is developed, including the allocation of resources, scheduling, and budgeting.

Finally, the performance phase begins, during which the project activities are executed, monitored, and controlled to ensure the successful project completion.

Therefore the sequence of project phase is  Definition - Planning  - Performance The correct answer is B.

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The point p(x, y) lies on the terminal side of an angle theta = startfraction 3 pi over 4 endfraction in standard position. Then x values are negative and the y values are positive.

An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. When the two rays are creating an exact 180-degree angle, an angle is considered to be straight. It gets its name from the fact that two lines at an angle of 180 degrees resemble one single straight line. Angles, whose measure is always non-negative, have some standard language.

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Answer:

so to scale (or dilate) it by three you would multiply each of the numbers in your point by three. In this case that means A' would be (-12,-6)

Step-by-step explanation:

hope this helps :)))

Answer: 2.3

Step-by-step explanation: you have to simplify 127 millimeters to centimeters which is 12.7 centimeters then subtract by 15 which is 2.3.

Answer:

Step-by-step explanation:

4^2 = 4 * 4 = 16

2^2 = 2 * 2 = 4

4^2 +4^2 +2^2 = 16 + 16 + 4 = 36

Answer:

The value of the expression is 36.

Answer:

(D)

Step-by-step explanation:

By definition, opposite numbers have the same magnitude from different signs.

This means that their absolute values are the same, and thus are the same distance away from 0.

To land 14,000 meters downrange, the launch angle of the object should be approximately 38.88 degrees.

The horizontal distance traveled by the object is given by:

Range = R = b * t

where b is the coefficient of t in the r(t) equation.

The time taken by the object to reach the maximum height can be found by setting the vertical component of the velocity to zero:

v_y = b - 9.8t = 0

t = b/9.8

The maximum height attained by the object can be found by substituting the value of t in the r(t) equation:

h_max = r(b/9.8) = ab^2/(2 * 9.8)

The range can also be expressed in terms of the launch speed v and the launch angle θ:

R = v^2 * sin(2θ) / g

where g is the acceleration due to gravity.

Equating the two expressions for R, we get:

b * (2 * v^2 / g) * sin(θ) * cos(θ) = v^2 * sin(2θ) / g

tan(θ) = (2 * 4.9 * b) / (500)^2

θ = arctan[(2 * 4.9 * b) / (500)^2]

Substituting the value of b in terms of a, we get:

θ = arctan[(2 * 4.9 * a * tan(θ)) / (500)^2]

Using numerical methods or a graphical approach, we can find that the launch angle that gives a range of 14,000 meters is approximately 38.88 degrees.

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Answer:

y+6

Step-by-step explanation:

B  = \(\left[\begin{array}{ccc}-1&3&2\\2&4&7\end{array}\right]\)  if A-B = C and values of A and C is given .

Calculation:

since A-B=C

   so, A-C=B

plugging in the values :-

 \(\left[\begin{array}{ccc}-2&2&0\\-5&7&9\end{array}\right] \left[\begin{array}{ccc}-1&-1&-2\\-7&3&2\end{array}\right]\)    = B

B  =  \(\left[\begin{array}{ccc}-1&3&2\\2&4&7\end{array}\right]\)

Hence the value of B is =  \(\left[\begin{array}{ccc}-1&3&2\\2&4&7\end{array}\right]\)

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The distance between the two points is 19.2 units.

Let the point (7, 8) be A and point (-5, -7) be B.

By joining these two points and drawing a right-angled triangle ABC with AB as the hypotenuse, we get point C at (7, -7)

The altitude of triangle ABC, AC = A - C

AC = 15 units

The base of the triangle ABC, BC = C - B

BC = 12 units

According to Pythagoras Theorem,

√(AC² + BC²) = AB

AB = √(12² + 15²)

AB = 19.2 units

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The width of the original piece of sheet metal is (w^2 - l^2)/(3w + 3l), and the length is (l^2 - w^2)/(3w + 3l).

To solve this problem, we can use the formula for the volume of a rectangular box, which is V = lwh, where l is the length, w is the width, and h is the height.

First, let's find the height of the box. Since we cut squares from each corner, the height of the box is the length of the square that was cut out. Let's call this length x.

The width of the box is the original width minus the lengths of the two squares that were cut out, which is w - 2x.

Similarly, the length of the box is the original length minus the lengths of the two squares that were cut out, which is l - 2x.

Now we can write the volume of the box in terms of x, w, and l:

V = (w - 2x)(l - 2x)(x)

Expanding this expression, we get:

V = x(4wl - 4wx - 4lx + 8x^2)

Simplifying further:

V = 4x^3 - 4wx^2 - 4lx^2 + 4wlx

To find the dimensions of the original piece of sheet metal, we need to maximize this volume. We can do this by taking the derivative of the volume with respect to x and setting it equal to zero:

dV/dx = 12x^2 - 8wx - 8lx + 4wl = 0

Solving for x, we get:

x = (2wl)/(3w + 3l)

Now we can use this value of x to find the width and length of the original piece of sheet metal:

w - 2x = w - 2(2wl)/(3w + 3l) = (w^2 - l^2)/(3w + 3l)

l - 2x = l - 2(2wl)/(3w + 3l) = (l^2 - w^2)/(3w + 3l)

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1) We can explain why the area is πr² by assuming the figure as a rectangle, 2) Diameter = 24.20 cm, Area = 452.91 cm² and 3) the area of the table is 1074.66 in²

The circle is a 2D geometrical figure, with no side or angle, and is made a collection of points.

Given that, 1) a circle with circumferences = 2πr and radius = r, 2) a circle having circumferences = 76 cm and 3) Jada is painting a table having diameter 37 in.

1) Assume the figure as a rectangle, (refer to attached figure)

We get, the length of it is πr and width is r.

And the area of a rectangle is = the Product of length and width.

So, we can conclude that the area of this rectangle is = πr×r = πr²

Therefore, by assuming the figure as a rectangle, we can explain why the area of a circle is πr²

2) circumferences = 2πr

2πr = 76

πr = 38

r = 38/3.14  (π ≈ 3.14)

r = 12.01 cm

Diameter = 2r

D = 2x12.01 = 24.20 cm

Area = πr²

= 3.14x12.01²

= 452.91 cm²

3) Diameter = 37 in

r = 37/2 = 18.5 in

Area = πr²

= 3.14x18.5²

= 1074.66 in²

Therefore, the area of the table is 1074.66 in²

Hence, the answers are 1) We can explain why the area is πr² by assuming the figure as a rectangle, 2) Diameter = 24.20 cm, Area = 452.91 cm² and 3) the area of the table is 1074.66 in²

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Answer:

M2 = 12x - 2

2

+

40°

Step-by-step explanation:

Answer: x = 6

Step-by-step explanation:

m∠2 and the unknown angle are congruent since their opposite sides are also congruent.

m∠2 = 12x - 2

Unknown angle = y = 12x - 2

m∠2 + y + m∠40° = 180°  since they are angles of a triangle

12x - 2 + 12x - 2 + 40 = 180

24x - 4 + 40 = 180

24x + 36 = 180

Subtract 36 from both sides

24x = 144

Divide both sides by 24

x = 6

I hope I helped!

Total ways can occur is 19,653,800.

What is Combination?

Combinations are ways to choose elements from a larger set in mathematics where the order of the elements is irrelevant. Repetition is prohibited and the order of the elements does not matter in a combination, which is a subset of items.

The number of combinations of 51 things chosen 10 at a time, represented as C, determines the number of possibilities to choose 10 finalists from 51 contestants (51, 10).

Combinations are calculated as follows: C (n, k)=\(n! / (k! (n-k)!).\)

Consequently, there are three options to choose 10 finalists from the pool of 51 applicants:\(C(51, 10) = 51! / (10! (51-10)!) = 51! / (10! 41!) = 19,653,800.\\\)

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in the miss America pageant, 51 contestants must be narrowed down into 10 finalists. The total number of ways that can occur is 19,653,800.

What is Combination?

In mathematics, combinations are strategies to select components from a bigger set where the order of the elements is unimportant. In a combination, which is a subset of items, repetition is not permitted and the position of the parts is irrelevant.

The possibility of selecting 10 finalists from 51 contenders is determined by the number of combinations of 51 things picked 10 at a time, denoted as C. (51, 10).

Combinations are calculated as follows: C (n, k)= \(\frac{n!}{k!(n-k)!}\)

Consequently, there are three options to choose 10 finalists from the pool of 51 applicants: 19653800

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Answer:

The area of the square 45 \(meters^{2}\)

Step-by-step explanation:

Width 3 meters

3x5=15

Length 15 meters

3x15=45

Based on the rowing speed of the team when rowing with the current and when rowing against, the team rowing speed when there is no current is 14 km/h.

Assuming that x is the rowing rate and y is the rate of the current, the equations needed will be:

2 (x + y) = 40

2 (x  - y) = 16

We can add the x-values of the equation to find the value of x which will be the rowing speed without current:

2x + 2x = 40 + 16

4x = 56

x = 56 / 4

x = 14 km /h

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Answer:

a is the answer

Step-by-step explanation:

24^2  +32^2  =  40^2

576  +  1024 = 1600

Given:

Aim:

We need to find the trigonometric function and the quadrant of the angle.

Explanation:

Take inverse trigonometry on both sides of the equation.

Final answer:

The last cup contains 4 ounces of lemonade. Option (a) is correct.

Pam has 228 ounces of lemonade and she pours it into 8-ounce cups. To determine the amount of lemonade in the last cup, we divide the total amount of lemonade by the size of each cup.

228 ounces ÷ 8 ounces = 28 cups with a remainder of 4 ounces.

Since the last cup is not completely full, the remaining 4 ounces of lemonade are in the last cup. This means option (a), which states that there are 4 ounces in the last cup, is the correct answer.

By dividing the total amount of lemonade by the cup size and considering the remainder, we can determine the quantity of lemonade in the last cup, which in this case is 4 ounces.

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None of the options are commutative for the given binary operations.

commutative property:

a*b = b*a

* is any binary operation.

Consider option a: subtraction of integers

Let a = 2,  b = 3

a - b = b - a (commutative property)

But

2 - 3  ≠ 3 - 2

-1  ≠ 1 not commutative

Option b: . division of nonzero real numbers

Let a = 2,  b = 3

a/b = b/ a (commutative property)

But

2/3  ≠ 3/2  not commutative

Option c. function composition of polynomials.

Let polynomial be a - b

Let a = 2,  b = 3

a - b = b - a (commutative property)

But

2 - 3  ≠ 3 - 2

-1  ≠ 1 not commutative

Thus, none of the options are commutative for the given binary operations.

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Answer:

u + v = < 8, 3 >

Step-by-step explanation:

u + v

= < 7, 4 > + < 1, - 1 > ← add corresponding components

= < 7 + 1, 4 - 1 >

= < 8, 3 >

The value of u that maximizes the trough’s volume is given by;\($$u = \tan^{-1}(-\frac{1}{h})$$\)

Let x be the angle between the slant side and the base of the trough, then the angle u can be expressed as follows:\($$u= 90^{\circ}- x$$\)

From the first equation, we get that\(;$$c = h \cos(x)$$\)

From the second equation, we get that;\($$a = h \sin(x)$\)$

Let the length of the base of the trough be L, then we have;\($$L = c + 2b$$\)

\($$L = h\cos(x) + 2b\)$$

Also, we have\(;$$h^2 = a^2 + b^2$$\)

\($$h^2 = (h \sin(x))^2 + b^2$$$$\Rightarrow h^2 - b^2 = h^2 \sin^2(x)$$$$\Rightarrow b^2 = h^2 (1- \sin^2(x))$$$$\Rightarrow b = h\cos(x)$$\pi\)

\($$V = (h\sin(x)-h\cos(x)) (h\cos(x)) (h)^2$$$$\Rightarrow V = h^4 \sin(x)\cos(x) - h^3 \cos^2(x)$$\)

Using the relationship between u and x, we have;\($$\sin(x) = \sin(90^{\circ}-u) = \cos(u)$$$$\cos(x) = \cos(90^{\circ}-u) = \sin(u)$$\)

Substituting these values in the above equation, we get;\($$V = h^4 \sin(u)\cos(u) - h^3 \cos^2(u)$$$$\Rightarrow V = h^3 \cos(u) (\sin(u) h - \cos(u))$$\)

Taking the derivative of V with respect to u, we get;\($$\frac{dV}{du} = h^3 (-\sin^2(u) h - \sin(u)\cos(u))$$\)

Setting this derivative to zero, we get;\($$-\sin^2(u) h - \sin(u)\cos(u) = 0$$$$\Rightarrow \sin(u) (\sin(u) h + \cos(u)) = 0$$\)

Since $\sin(u)$ cannot be zero, we have;\($$\sin(u) h + \cos(u) = 0$$$$\Rightarrow \tan(u) = -\frac{1}{h}$$$$\Rightarrow u = \tan^{-1}(-\frac{1}{h})$$\)

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Answer:

refer to the pic

Step-by-step explanation:

This is what I got for this one

Answer:

Step-by-step explanation:

Ok que bueno sigue tu sueño amiga

the volume of the solid formed by revolving the given region about the line x = -1 is 160π cubic units.

To find the volume of the solid formed by revolving the region in the first quadrant bounded above by the curve y = x^2, below by the x-axis, and on the right by the line x = 4 about the line x = -1, we can use the method of cylindrical shells.

First, let's consider a vertical strip in the region with thickness Δx. The height of this strip will be the difference between the right and left boundaries, which is (4 - (-1)) = 5 units. The radius of the cylindrical shell will be the x-coordinate of the right boundary, which is x = 4.

The circumference of the shell will be 2π(radius) = 2π(4) = 8π.

The differential volume element of the shell can be expressed as dV = height × circumference × thickness:

dV = 5 × 8π × Δx = 40πΔx.

To find the total volume, we integrate the differential volume element over the range of x that defines the region. The lower limit of integration is x = 0 (intersection of the curve y = x^2 with the x-axis), and the upper limit is x = 4 (right boundary):

V = ∫[0, 4] 40πΔx.

Integrating the constant factor 40π with respect to x gives:

V = 40π[x] evaluated from 0 to 4

V = 40π(4 - 0)

V = 160π.

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