A
B
C
D
Rectangle ABCD is resized with central point (-3,-4) and scale factor 3.
What are the coordinates of the image of D?
A (0, 14)
B (-12, 5)
C (-1, 2)
D (0,5)

The volume of the cone in this problem is given as follows:

V = 48π units³.

The volume of a cone of radius r and height h is given by the equation presented as follows:

V = πr²h/3.

From the image given in this problem, the parameters are given as follows:

r = 6 mm, h = 4 mm.

Hence the volume is given as follows:

V = π x 6² x 4/3

V = 48π units³.

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Answer:

$1.26

Step-by-step explanation:

Answer:

$1.26

Step-by-step explanation:

The unit price is the cost of a single note book:

3.78/3=1.26

Answer:

\( \frac{ - 9}{2} + \frac{9}{2} = 0\)

\( \frac{55}{3} + \frac{8}{3} = \frac{63}{3} \)

\( \sqrt{ {0}^{2} + \frac{ {63}^{2} }{3} } = \sqrt{ \frac{3969}{9} } = \frac{63}{3} \)

this is the

Answer:

a.80    b. 150

Step-by-step explanation:

Answer:

Step-by-step explanation:

A regular octagon can be divided radially into 8 congruent, isosceles triangles. Each triangle has a vertex angle of 360°/8 = 45° and base angles of 67.5° each.

Height of triangle = 7.5tan(67.5°) ≈ 18.1 ft

Area of triangle = 0.5(15)(18.1) = 135. ≈ 8 sq ft

Area of octagon = 8(135.8) = 1086 sq ft

Answer:

A. 300h = 900

Step-by-step explanation:

V = lwh

900 = (25)(12)h

900 = 300h

300h = 900

To find the standard deviation of the weekly earnings of bus drivers, we need to use the Z-score formula and the given percentage of bus drivers with a weekly income above a certain threshold.

Since the weekly earnings of bus drivers are normally distributed, we can use the Z-score formula to calculate the standard deviation. The Z-score represents the number of standard deviations an observation is away from the mean.

To find the Z-score corresponding to the given percentage, we use the standard normal distribution table or a statistical calculator. In this case, we want to find the Z-score for a percentile of 1.1%, which corresponds to an area under the curve of 0.011.

Z = invNorm(1 - 0.011) ≈ invNorm(0.989) ≈ 2.330

The Z-score formula is:

Z = (X - μ) / σ

We know the mean (μ) is $395, and the threshold value (X) is $429.35. By substituting these values into the formula and solving for the standard deviation (σ), we can find:

2.330 = ($429.35 - $395) / σ

Solving for σ, we get:

σ = ($429.35 - $395) / 2.330 ≈ $14.708

Therefore, the value of the standard deviation of the weekly earnings of the bus drivers is approximately $14.708.

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Answer:

25ft

Step-by-step explanation:

15/5 = 3

75/3 = 25

(pls mark me brainliest)

Answer:

25 ft

Step-by-step explanation:

The kid's shadow is 15/5 = 3 times longer than his height.

Therefore, a tree with a 75 ft shadow should be 3 times shorter than its shadow.

=> 75/3 = 25 ft

The statement that best describes the information about the medians would be: the class median and exam median are almost the same.

The vertical line dividing the rectangular box in a box plot represents the median of any data distribution that is represented on the box plot.

So, The median for class is 84

The median for exam is 85.

Thus, The class median and exam median are nearly identical, so it is the statement that best sums up the information regarding the medians.

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Answer:

455455

Step-by-step explanation:

do diddfdcv

Answer:

y2 - y1 / x2 - x1

Step-by-step explanation:

Answer:

9-16y

Step-by-step explanation:

9-x^2y when x=4

plus in 4: 9- (4)^2y

=9-16y

The dot product of vectors a and b  || a |= 6,|| b ||= 4 and the angle between the vectors θ = π/3 is (c) 12.

The dot product of two vectors, we can use the formula:

a · b = ||a|| ||b|| cos(theta)

where ||a|| and ||b|| represent the magnitudes of vectors a and b, respectively, and theta is the angle between the vectors.

In this case, we are given that ||a|| = 6, ||b|| = 4, and the angle between the vectors is theta = π/3.

Substituting these values into the formula, we have:

a · b = 6 × 4 × cos(π/3)

To evaluate cos(π/3), we can use the fact that it is equal to 1/2. So we have:

a · b = 6 × 4 × 1/2

= 12

Therefore, the dot product of vectors a and b is 12.

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There are 1.03 moles in 1.03 x 10^23 molecules of carbon monoxide (CO). This can be determined by using Avogadro's number, which states that there are approximately 6.022 x 10^23 particles (atoms, molecules) in one mole of a substance.

By dividing the given number of molecules by Avogadro's number, we can calculate the number of moles. To find the number of moles in 1.03 x 10^23 molecules of CO, we need to use Avogadro's number. Avogadro's number is a fundamental constant in chemistry and is defined as the number of atoms, molecules, or particles in one mole of a substance. It is approximately equal to 6.022 x 10^23 particles per mole.

In this case, we have 1.03 x 10^23 molecules of CO. Since one molecule of CO represents one particle, we can directly equate it to the number of particles. By dividing this number by Avogadro's number, we can convert it to the corresponding number of moles.

Therefore, the calculation would be: 1.03 x 10^23 molecules of CO / 6.022 x 10^23 molecules per mole ≈ 0.171 moles

Hence, there are approximately 0.171 moles in 1.03 x 10^23 molecules of carbon monoxide.

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Answer:

10 to 1

Step-by-step explanation:

create a table of x-y values:

when x = 1, y = 10

when x = 2, y = 20

etc.

Answer:

1:10

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

you just devide 18 by 6, which was three, then you multiply from there up to 9, which gives you 36 ( that probably made no sense, im bad at math )

Answer:

No

Step-by-step explanation:

$68 - $24 - $35 = $9

$9 < $12

Therefore, Alexa can't afford to buy a $12 shirt

Answer:

no

Step-by-step explanation:

24+35=59

59+12=71

so, it does not work

Answer:

19000%

Step-by-step explanation:

i hope this correct

Answer:

The inverse of the function is logx/log12

The inverse of a function

Given the function expressed as:

y = 12^x

To find the inverse, switch the variables to have:

x = 12^y

Take the log of both sides

logx = y log 12

y = logx/log12

Hence the inverse of the function is logx/log12

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Step-by-step explanation:mark brainlenies

Determine the conditions for when a function has an inverse. Use the horizontal line test to recognize when a function is one-to-one. Find the inverse of a given function.

It is simple to establish whether the inverse of a function is also a function using the horizontal line test.

Because it fails the vertical line test, a function's inverse might not actually be a function.

Graph of the line

f\left( x \right) = - x + 2

f(x)=−x+2.

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We have shown the triangles are congruent, so their corresponding parts (sides/angles) are congruent. That lets us claim opposite sides are congruent and  parallel.

1. AD ≅ BC, AD ║ BC . . . . given

2. ∠DAC ≅ ∠BCA . . . . alternate interior angles theorem

3. AC ≅AC . . . . reflexive property

4. ΔDAC ≅ ΔBCA . . . . SAS postulate

5. AB ≅ CD, ∠BAC ≅ ∠DCA . . . . CPCTC

6. AB ║ CD . . . . converse of alternate interior angles theorem

7. ABCD is a parallelogram . . . . definition of a parallelogram (has 2 pairs of parallel & congruent sides)

_____

We don't know what your tiles/choices are for statements or reasons. We have shown the triangles are congruent, so their corresponding parts (sides/angles) are congruent. That lets us claim opposite sides are congruent and  parallel. YMMV

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Answer:

16,17,18,19

Step-by-step explanation:

one guy guessed. probably using a calculator

another guy took the 4th root of 100,000 and rounded down a number

(a third way started like this

n*(n+1)*(n+2)(n+3)=100000

Answer:

60 feet

Step-by-step explanation:

x = 26.75 min

26 minutes, would = 3.51. if you add .12 to that it is 3.63.

so the most that she could talk would be 26 minutes.

Therefore , the solution of the given problem of quadratic equation comes out to be the vertex could be above or below the x-axis, but the important point is that the graph does not cross the x-axis.

Regression modelling uses the polynomials conclusion x = ax2 + b + c=0 for one-variable equations. The First Theorem on Algebra claims that as this cubic has a second derivative, there is only one solution. There are simple and complex solutions available. The term "quadratic solution" refers to a set of four variables. This implies that there may only be one squared word.

Here,

A quadratic function that has no real zeros has its vertex above or below the x-axis, but not crossing it. Therefore, the graph should not intersect the x-axis. Here is an example of such a graph:

                     |

                     |

                     |

                     |

                     |

                     |

__________|__________

The vertex could be above or below the x-axis, but the important point is that the graph does not cross the x-axis.

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Expression with respect to t over the interval [0,1] to evaluate the line integral C F · dr along the given curve C.

To find a function f such that F = ∇f, we need to find the potential function of the vector field F(x, y).

Let's start by computing the partial derivatives of f with respect to x and y:

∂f/∂x = ∂/∂x (x²y³) = 2xy³

∂f/∂y = ∂/∂y (x³y²) = 3x³y²

Now, let's equate these partial derivatives with the components of the vector field F(x, y):

2xy³ = x²y³

3x³y² = x³y²

Simplifying these equations, we can see that they are satisfied when x = 1 and y ≠ 0. Therefore, we can choose the function f(x, y) = x²y³.

Now, let's move on to part (b) and evaluate C F · dr along the given curve C with derivatives.

The curve C is defined as r(t) = (t⁵ - 2t, t⁵  + 2t), where 0 ≤ t ≤ 1.

To evaluate the line integral, we need to express F in terms of t and differentiate r(t) with respect to t to obtain dr/dt.

F(x, y) = x²y³i + x³y²j = (t⁵  - 2t)²(t⁵  + 2t)³i + (t⁵  - 2t)³(t⁵  + 2t)²j

dr/dt = (∂x/∂t)i + (∂y/∂t)j = (5t⁴  - 2)(t⁵  + 2t)i + (5t⁴  + 2)(t⁵ + 2t)j

Now, we can evaluate C F · dr by substituting the values:

C F · dr = ∫[0,1] (F · dr)

= ∫[0,1] [(F · dr)/dt] dt

= ∫[0,1] [(F(r(t)) · dr/dt)] dt

Substituting the values of F and dr/dt, we have:

C F · dr = ∫[0,1] [((t⁵  - 2t)²(t⁵  + 2t)³)((5t⁴  - 2)(t⁵  + 2t) + (5t⁴ + 2)(t⁵  + 2t))] dt

You can now integrate the above expression with respect to t over the interval [0,1] to evaluate the line integral C F · dr along the given curve C.

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Answer:

Any value for x will always be true

Step-by-step explanation:

Step 1: Add 8x to both sides

Step 2: Add 12 to both sides.

Step 3: Divide both sides by 16.

x=0 (Any value)

Answer:

Step-by-step explanation:

Use the distributive property:

\(2x^3 - 3x^2 - 7x + 2x^2 - 3x -7\)

Combine like terms:\(2x^3 -x^2 -10x-7\)

Answer:

-15xy + 6x² + 12x

Step-by-Step Explanation:

3x(4+2x-5y) distribute 3x

12x + 6x² -15xy

make sure to put -15xy first

-15xy + 6x² + 12x

The simplified expression is:

Work/explanation:

To simplify \(\bf{3x (4 + 2x - 5y)}\), I distribute 3x through the parenthesis:

\(\bf{3x(4+2x-5y)}\)

\(\bf{12x+6x^2-15xy}\)

The bias of a kernel density estimate is overestimating or underestimating the total value

A non-parametric technique for calculating the probability density function of a random variable is called kernel density estimation (KDE). The tendency of the estimator to continually overestimate or underestimate the true underlying density is referred to as a KDE's bias. The kernel function that is selected to smooth the data can influence a KDE's bias. Wider bandwidths tend to create estimators with a low variance but high bias, whereas narrower bandwidths tend to produce estimators with high bias but a low variation.

The bandwidth selection has an impact on the estimator's bias as well, with lower bandwidths producing more bias. Cross-validation is the technique for choosing an acceptable bandwidth that strikes a balance between the trade-off between bias and variance. As a result, by selecting an appropriate bandwidth and kernel function, the bias of a KDE can be decreased.

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