HELP FAST GIVING 20 pts

The tool that you'd use to draw cubes on Inkscape is called "The 3-D Box" tool. Note that this is as per version 0.48.

Inkscape is an open-source and free vector graphics editor that is mostly used to produce vector pictures in Scalable Vector Graphics format. Other formats are supported for import and export. Inkscape is capable of rendering rudimentary vector shapes and text.

The default format of Inkscape is Scalable Vector Graphics (SVG), however, it can also handle most image formats, including PDF, JPG, GIF, and PNG. Inkscape can also handle PostScript, Sketch, CorelDRAW, and other patented image formats with the use of free, downloadable extensions.

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Answer:

The center of a circle is the point inside a circle that is the same distance from each point on the circle. A circle is the same as 360°. You can divide a circle into smaller portions. A part of a circle is called an arc and an arc is named according to its angle.

Brainlist Pls!

The calculations below show that Z-score of 10 is –1.25; Z-score of 20 is 1.25; Z-score of 12 is –0.75; Z-score of 17 is 0.50; and Z-score of 16 is 0.25.

The following notations and formulas will be used in these calculations:

Mean = (sum of the values) / n

Variance = ((Σ(x - mean)^2) / (n - 1)

SD = Standard deviation = Variance^0.5

Z-score = (x - Mean) / SD

Where;

n = number of values = 5

x = each value

Therefore, we have:

Mean = (10 + 20 + 12 + 17 + 16) / 5 = 15

Variance = ((10-15)^2 + (20-15)^2 + (12-15)^2 + (17-15)^2 + (16-15)^2) / (5-1) = 64 / 4 = 16

SD = Standard deviation = Variance^0.50 = 16^0.5 = 4

Z-score of 10 = (10 – 15) / 4 = –1.25

Z-score of 20 = (20 - 15) / 4 = 1.25

Z-score of 12 = (12 - 15) / 4 = –0.75

Z-score of 17 = (17 - 15) / 4 = 0.50

Z-score of 16 = (16 - 15) / 4 = 0.25

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Answer:

60

Step-by-step explanation:

800 + 60 + 1 = 861

The amount that Goldman's straight-time pay for each week will be $90.75. Then the correct option is A.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

Stuart Goldman works at Ruler's Golf Spot. He works 11 hours every week and acquires $8.25 each hour.

Goldman's straight-time pay for each week will be given as,

⇒ $8.25 x 11

⇒ $90.75

The amount that Goldman's straight-time pay for each week will be $90.75. Then the correct option is A.

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If Stuart Goldman works at King's Golf Spot. He works 11 hours a week and earns $8.25 per hour.  Goldman's straight-time pay for each week is: A. $90.75.

To determine Stuart Goldman's straight-time pay for each week we can multiply his hours worked by his hourly wage:

Straight-time pay = Hours worked × Hourly wage

Let plug in the formula

Straight-time pay = 11 hours × $8.25/hour

Straight-time pay = $90.75

Therefore the correct option is A.

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Answer: 8

Step-by-step explanation: on the left chain, there are 5 4’s, so 4 times 5 is 20 Because you know that, subtract it from 60 to only have the W’s values. So 60-20 is 40 and because there is 5 w’s do 40/5 is 8. Therefore, the value of the w’s is 8 and the value of the 4’s is 20

Answer:

1024.

Step-by-step explanation:

4x4x4x4x4= 1024

I hope this is correct and I hope this helps. My apologies if it´s wrong.

Answer:

Yes

Step-by-step explanation:

Yes, this is a numerical expression because x represents a number.  This number is unknown, so x = 1 --- 5x (1) + 2 is equivalent to 5x + 2.  5x (1) +2 is a numerical expression, SO that means that 5x + 2 is a numerical expression.  

The value of y is given as follows:

y = 23.

Hence the angle measures are given as follows:

69º, 23º and 88º.

The sum of the measures of the internal angles of a triangle is of 180º.

The internal angles for the triangle in this problem have the measures given as follows:

Hence the value of y is obtained as follows:

3y + y + 4y - 4 = 180

8y = 184

y = 184/8

y = 23.

Hence the angle measures are given as follows:

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The solution to the system of equations have "one number of solution".

(2/137 , -1423/137)

The two equation are given as;

y = −72x + 11   ...eq 1

7x + 2y = 20   ...eq2

Put the value of y from eq 1 in eq 2

7x + 2(-72x + 11)  = 20

On simplifying.

7x - 144x + 22 = 20

- 137x = -2

x = 2/137

y = -72(2/137) + 11

y = - 1423/ 137

Thus, the solution to the system of equations have "one solution".

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Therefore, the directional derivative of f at P=(1,-1,-2) in the direction of A=3i+2j-6k is -2.

To find the directional derivative of f(x,y,z) at P=(1,-1,-2) in the direction of A=3i+2j-6k, we first need to find the gradient of f at P, which is given by:

grad(f) = ∇f = (∂f/∂x)i + (∂f/∂y)j + (∂f/∂z)k

Here, f(x,y,z) = xy + yz + zx, so we have:

∂f/∂x = y + z

∂f/∂y = x + z

∂f/∂z = x + y

Thus, at P=(1,-1,-2), we have:

∇f(P) = (∂f/∂x)i + (∂f/∂y)j + (∂f/∂z)k

= (y+z)i + (x+z)j + (x+y)k

= (0+(-2))i + (1+(-2))j + (1+0)k

= -2i - 1j + 1k

Next, we need to find the unit vector in the direction of A:

|A| = sqrt(3^2 + 2^2 + (-6)^2) = 7

u = A/|A| = (3/7)i + (2/7)j - (6/7)k

Finally, we can compute the directional derivative of f at P in the direction of A as:

(DAf) | 1(1,-1,-2) = ∇f(P) · u

= (-2i - 1j + 1k) · (3/7)i + (2/7)j - (6/7)k

= -6/7 - 2/7 - 6/7

= -2

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Answer:  its 2

Step-by-step explanation:

14 can only = 1 x 14

                  & 2 x 7

Answer:

* 0.3

Step-by-step explanation:

10   30     4.5       5.4

3     9       15        18

two lines are parallel if their slope is equal

equation of line is

y=mx+c

where m=slope

for y=2x-5

m=2

for -x+2y=-5

2y=-5+x

y=-5/2+x/2

m=1/2

lines are nor parallel becuase m (slope) is not equal

now we will test for perpendicularity

perpendicular lines have slopes that are reciprocal of each other

first line , m=2

second line, m=1/2

2 and 1/2 are reciprocals

therefore, the lines are perpendicular

Answer:

if you round, its 99. if you ignore the decimal, its 98

Step-by-step explanation:

2/3 of 148 is 98.66

The expression "x - y + z" can be simplified and rearranged using the associative property and commutative property of addition. Let's break it down step by step:

1. x - y + z

According to the associative property of addition, the grouping of terms does not affect the result when only addition and subtraction are involved. Therefore, we can choose to group "y" and "z" together:

2. x + (-y + z)

Next, using the commutative property of addition, we can rearrange the terms "-y + z" as "z + (-y)":

3. x + (z + (-y))

Now, we have the expression "x + (z + (-y))". According to the associative property of addition, we can group "x" and "z + (-y)" together:

4. (x + z) + (-y)

Finally, we can rewrite the expression as "(x + z) - y", which is equivalent to "(x - y) + z":

5. (x + z) + (-y) = (x - y) + z

Therefore, "x - y + z" is indeed the same as both "x - (y + z)" and "(x - y) + z" due to the associative and commutative properties of addition.

Answer:

B. The second choice.

Step-by-step explanation:

A function cannot have two points with the same x-coordinate.

If you graph two different points that have the same x-coordinate, they will both lie on the same vertical line. Therefore, if in a relation, more than one point lie on the same vertical line, then the relation is not a function.

Step-by-step explanation:

1d

2b

3c

4a

those are the answers

Answer:

a-2;4

b-2;4

c-1

d-3

Step-by-step explanation:

-4/5=-20/25=-8/10

1/2=2/4

1/3=3/9

I'll start first by finding the slope of the line at t = 2 mins up to t = 6 mins, t = 6 mins up to t = 8 mins, and t = 14 mins up to t = 20 mins.

For the first interval (2 mins to 6 mins), we have the coordinates (2, 7) and (6, 5). The slope of the line is

For the second interval (6 mins up to 8 mins), we have the coordinates (6, 5) and (8,0). The slope of the line is

For the last interval (14 mins up to 20 mins), we have the coordinates (14,0) and (20,9). The slope of the line is

The x-axis of the given graph pertains to time while its y-axis pertains to distance from home. Let's try to make a story about a person from work going home and will prepare something before going outside again.

For the first 2 mins, the person walks out of his office and will go to his car. Since he is still in the office, the distance from home does not change for the first two minutes.

For the next 4 mins (2 mins to 6 mins interval), he starts driving going home at a rate of 1/2 miles per minute. Because of traffic, he is driving slower than his usual driving speed. Upon passing away from the traffic, the person now travels at a rate of 5/2 miles per minute for 2 mins (6 to 8 mins interval). At the 8th minute mark, he is already home. He prepared something at home during the 8 min to 14 min interval time. After the preparation, he went again outside for some business trip, traveling at the speed of 9/6 miles per minute.

9514 1404 393

Answer:

  C, D

Step-by-step explanation:

It can work to see what sequence each defines:

  A) -8, -1, 6, ...

  B) -15, -8, -1, ...

  C) -22, -15, -8, ...

  D) -22, -15, -8, ...  .  .  .  .  matches C

  E) -29, -22, -15, ...

The two that define the same sequence are ...

  C) f(x) = 7x -29

  D) a1 = -22, a(n+1) = an +7

The shopkeeper breaks even, meaning they neither make a profit nor take a loss.

To calculate the profit or loss, we need to compare the total revenue (selling price) with the total cost (buying price).

Total revenue from selling the first 10 TVs

= 10 c $1850

= $18,500

Now, Total revenue from selling the remaining 10 TVs

= 10 x $1750

= $17,500

So, Total revenue = $18,500 + $17,500 = $36,000

Now, Total cost of buying 20 TVs

= 20 x $1800

= $36,000

Since the total revenue equals the total cost, there is no profit or loss.  

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Correct options are A, B and E. the slopes of all right triangles that could lie on a line with a slope of 2/5 are 4/10, 6/15, 8/20.

An illustrative triangle known as a slope triangle can be used to determine the slope of a line or line segment. You are interested in learning the slope of the line that forms the triangle's hypotenuse (the diagonal). The "rise" and "run" in the slope formula serve as the triangle's two "legs." Rise/run is the definition of a slope.

We must keep in mind that slope is connected to the tangent of the angle of direction of the line in order to locate comparable triangles with a slope of 2/5.

As a result, the angle A in each graph has the relationship: tan A = m, where m is the slope.

Now, we are aware because to trigonometric justifications

Tan A = opposite leg /  adjacent leg,

Tan A =  2/5.

So, we can infer that the proportion is 2/5,

By observing, we concluded that 4/10, 6,15, 8/20 have similar slope.

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Draw two examples of different right triangles that could lie on s line with a slope of 2/5

Answer:

2.6 kilometers

Step-by-step explanation:

To find the circumference of a circle, we can use the formula:

Circumference = π * diameter

Given that the diameter of the volcanic crater is 840 meters, we can substitute this value into the formula:

Circumference = π * 840

Using the approximate value of π as 3.14159, we can calculate the circumference:

Circumference = 3.14159 * 840

Circumference ≈ 2643.1796 meters

To convert the circumference to kilometers, we divide the value by 1000:

Circumference in kilometers = 2643.1796 / 1000

Circumference ≈ 2.6432 kilometers

Therefore, the circumference of the rim of the volcanic crater is approximately 2.6 kilometers (rounded to 1 decimal place).

TRUE. The design matrix for linear regression is a matrix that contains the predictor variables for each observation. In this case, the predictor variables are Li, Yi, zi, and zxy, and there are n observations. Therefore, the design matrix would be a n x 4 matrix.

True. If you want to fit data (Li, Yi, Zi) ∈ R³ to a model z = B₀ + B₁x + B₂y + B₃xy, and you have n data points, then the design matrix for linear regression will be an n x 4 matrix.

Here's why:
- Each row of the matrix represents one data point.
- Each column of the matrix corresponds to the coefficients B₀, B₁, B₂, and B₃ in the model.

For n data points, the design matrix will look like this:

| 1  x₁  y₁  x₁y₁ |
| 1  x₂  y₂  x₂y₂ |
| 1  x₃  y₃  x₃y₃ |
| ...             |
| 1  xₙ  yₙ  xₙyₙ |

Thus, it is an n x 4 matrix.

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Answer:

$3,408.49

Step-by-step explanation:

To determine the value of the annuity, we need to use the formula for the future value of an ordinary annuity:

A = P * ((1 + r)^n - 1) / r

Where:

A = Value of the annuity

P = Monthly deposit amount

r = Interest rate per period (monthly interest rate in this case)

n = Total number of deposits

First, let's convert the annual interest rate of 5% to a monthly interest rate. We divide the annual interest rate by 12 (number of months in a year) and convert it to a decimal:

Monthly interest rate = 5% / 12 = 0.05 / 12 = 0.0041667

Next, let's substitute the given values into the annuity formula:

P = $50

r = 0.0041667 (monthly interest rate)

n = 60

A = $50 * ((1 + 0.0041667)^60 - 1) / 0.0041667

Now we can calculate the value of the annuity using a calculator or spreadsheet:

A ≈ $50 * (1.0041667^60 - 1) / 0.0041667 ≈ $50 * (1.28370557 - 1) / 0.0041667 ≈ $50 * 0.28370557 / 0.0041667 ≈ $50 * 68.169768 ≈ $3,408.49

The inevitable difference between the mean of a sample and the mean of a population based on chance alone is known as sampling error.

Sampling error is a result of the random nature of sampling from a population, meaning that any given sample is unlikely to perfectly represent the entire population. This is where probability comes into play, as the likelihood of obtaining a certain sample is dependent on the probability of each member of the population being selected.

Therefore, in order to minimize sampling error, researchers often use random sampling techniques to ensure that each member of the population has an equal probability of being selected for the sample.

The inevitable difference between the mean of a sample and the mean of a population based on chance alone is a) sampling error. This occurs because a random sample may not perfectly represent the entire population, leading to slight variations in the mean.

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Carlos needs 636 square feet of insulation to properly insulate the room he just finished framing in his home.

First, we need to calculate the square footage of the walls by multiplying the perimeter of the room by the height of the walls. The perimeter of the room is calculated by adding up the length of all four walls. In this case, the perimeter is 2(16 ft.) + 2(12 ft.) = 56 ft. Therefore, the total square footage of the walls is 56 ft. x 9 ft. = 504 ft².

Next, we need to calculate the square footage of the ceiling. The ceiling measures 16 ft. by 12 ft., so the total square footage is 16 ft. x 12 ft. = 192 ft².

Finally, we need to account for the windows in the room. The total square footage of the windows is 2(5 ft. x 6 ft.) = 60 ft².

To determine the total square footage of insulation needed, we add the square footage of the walls and ceiling and subtract the square footage of the windows. Therefore, the total square footage of insulation needed is (504 ft² + 192 ft²) - 60 ft² = 636 ft².

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3xX

Step-by-step explanation:

Answer:

4

Four subsets of {w, x, y} contain w.

Step-by-step explanation:

There are four subsets that have w in it:

{w} has w in it.

{w, x} has w in it.

{w, y} has w in it.

{w, x, y} has w in it.

The answer is 4.

Price of Jeans = $17

Price of 2 pair = 17 + 17 = $34

There is a 10% discount. Let's find the discount on them and subtract it from the total sale price.

10% means 10/100 = 0.1

Thus, 10% of $34 is:

0.1 * 34 = $3.40

We subtract it:

$34 - $3.40 = $30.60