how much does your favorite rapper make a day​

David, Jeff, and Paula have (7d)/3 books.

To find out how many books David, Jeff, and Paula have altogether in terms of d, we can use the given information as follows:

1. David has d books.
2. David has 3 times as many books as Jeff, so Jeff has d/3 books.
3. David has the same number of books as Paula, so Paula also has d books.

Now, to find the total number of books for all three of them, we simply add the number of books each person has:

Total books = David's books + Jeff's books + Paula's books
Total books = d + d/3 + d

To combine these terms, we can find a common denominator (in this case, 3):
Total books = (3d + d + 3d) / 3

Now, we can simplify the expression:
Total books = (7d) / 3

So, altogether, David, Jeff, and Paula have (7d)/3 books in terms of d.

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Under the consideration of collinearity of two line segments, the length of the line segment ST is equal to 13.

According to the statement seen in this question, the line segments RT and  ST are collinear to each other. Mathematically speaking, the length of the line segment ST can be found by using the following formula:

RT = RS + ST

ST = RT - RS

ST = 19 - 6

ST = 13

Under the consideration of collinearity of two line segments, the length of the line segment ST is equal to 13.

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Answer:

A

Step-by-step explanation:

2/3x + 4 = 2/3 (x + 4/(2/3)) = 2/3 (x + 6)

Topic: Algebraic equations + factorisation

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Answer: The person above me is correct. Here is a picture if you still dont get it..

Step-by-step explanation:

Step-by-step explanation:

tae tae tae tae tae tae tae tae

The value of "a" for which f(x)=-19 is a=2.

What is value of a? (f(x)=-19)

Looking at the table, we can see that f(x) changes from positive to negative at x=2. This means that there is a root (a value of x for which f(x)=0) between x=1 and x=2.

To find the exact value of x for which f(x)=-19, we can use interpolation: We can see that f(2) = -19, so a=2 satisfies the equation.     We can also use the points (1,12) and (2,-19) to estimate the root using linear interpolation:

The slope of the line connecting these two points is:

   (y₂-y₁)/(x₂-x₁ ) = (-19-12)/(2-1) = -31.    

The equation of the line passing through these points is: y - 12 = -31(x-1)

Setting y=-19, we get: -19 - 12 = -31(x-1) => x = 1+31/31 = 2

Therefore, we have two solutions: a=2 or x=2.

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Answer:

(a) 259.5 days

(b) 284 days

Step-by-step explanation:

Let X represent the pregnancy length in days.

It is provided that \(X\sim N(270,9^{2})\).

(a)

Let a represent the minimum pregnancy length that can be in the top 12% of pregnancy lengths.

Then,

P (X < a) = 0.12

⇒ P (Z < z) = 0.12

The corresponding z-score is, z = -1.17.

*Use a z-table.

Compute the value of x as follows:

\(z=\frac{x-\mu}{\sigma}\\\\-1.17=\frac{a-270}{9}\\\\z=270-(9\times 1.17)\\\\z=259.47\\\\z\approx 259.5\)

Thus, the minimum pregnancy length that can be in the top 12% of pregnancy lengths is 259.5 days.

(b)

Let b be the maximum pregnancy length that can be in the bottom 6% of pregnancy lengths.

Then,

P (X > b) = 0.06

⇒ P (X < b) = 0.94

⇒ P (Z < z) = 0.94

The corresponding z-score is, z = 1.56.

*Use a z-table.

Compute the value of x as follows:

\(z=\frac{x-\mu}{\sigma}\\\\1.56=\frac{b-270}{9}\\\\z=270+(9\times 1.56)\\\\z=284.04\\\\z\approx 284\)

Thus, the maximum pregnancy length that can be in the bottom 6% of pregnancy lengths is 284 days.

The actual length in meters of the playground is 100 meters.

A scale drawing is a smaller diagram of a larger image. For example, a map of the playground is a scale drawing of the playground.

In order to determine the actual length of the playground, the scale of the drawing has to be determined first.

Scale = actual width / width of the scale

60m / 3cm = 1cm : 20m

Length of the playground = scale x length of the scale drawing

20 x 5 = 100m

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Answer:

Associative Property

Step-by-step explanation:Because it includes grouping of three numbers and the parentheses group around two different numbers

Answer:

mica should have added 2 to 3 instead of 1

Step-by-step explanation:

Answer:

it's a square number

Step-by-step explanation:

When Andrew goes bowling, his scores are normally distributed with a mean of 115 and a standard deviation of 11 . Then the probability of his score being between 86 and 115 is 0.2047

Mean = μ = 115

SD = σ = 11

Let x1 be the first data point and x2 the second data point

We have to find the z-scores for both data points

x1 = 86

x2 = 106

So,

Z1 = ( x1- mean)/ SD

   = 86- 115 / 11

   = -29/11

   = -2.6363

Z2 =  ( x2-mean)/SD

    = 106 -115 /11

     = -0.8181

And We have to find area to the left of both points then their difference to find the probability.

So, Area to the left of z1 = 0.00427

Area to the left of z2 = 0.20897

Probability to score between 135 and 167 = z2-z1 =  0.20897-0.004270

                                                                                 = 0.2047

Hence,

The probability of his score being between 86 and 115is 0.2047

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Answer:

Step-by-step explanation:

49 years.

During the year, Poch Co. incurred cost of goods sold of $59,823 million on net sales of $76,643 million. To find Poch's return on sales ratio, we need to divide the cost of goods sold by the net sales and multiply by 100.

The calculation would be:
Return on Sales Ratio = (Cost of Goods Sold / Net Sales) * 100
Plugging in the given values:
Return on Sales Ratio = ($59,823 million / $76,643 million) * 100
Now, let's solve the calculation:
Return on Sales Ratio = (0.7807) * 100
Return on Sales Ratio ≈ 78.07%
Since none of the provided answer options match with the calculated ratio, we cannot determine the exact return on sales ratio.

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The slope of line r is -1/2

The equation of line q is given as

\(-2x + y =1\)

Make y the subject

\(y =1 + 2x\)

Rewrite the equation, as follows:

\(y =2x + 1\)

The slope of the above equation is:

\(m = 2\)

Line r is perpendicular to line q.

So, the slope (m2) of line r is calculated as:

\(m_2 = -\frac 1m\)

This gives

\(m_2 = -\frac 12\)

Hence, the slope of line r is -1/2

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Answer:- Hence, the  combination will maximize total utility is \(12.\)

Step-By-Step-Explanation:-

What is cost?

Cost is the amount of money you spent to make the product or service. Price is what you will charge for it.

Here given that,

The cups and plates budget is \($18 (3 plates x $6 each + 6 cups x $3 each)\)

Then the utility for the combination is \(12 (3 plates x 4 utility each + 6 cups x 2 utility each).\)

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Answer:

13 and 1

Step-by-step explanation:

the leading coefficient is 5+8=13

and the degree of it is one 13x ⇒ x^1

The average velocity from 4 to 8 seconds is given as follows:

v = [position at 8 seconds - position at 4 seconds]/4.

Velocity is distance divided by time, hence the following equation is built to model the relationship between these variables:

v = d/t.

The change in the distance from 4 to 8 seconds is given as follows:

position at 8 seconds - position at 4 seconds

The change in the time from 4 to 8 seconds is given as follows:

8 - 4 = 4 seconds.

Hence the velocity is of:

v = [position at 8 seconds - position at 4 seconds]/4.

The problem is incomplete, hence the general procedure to obtain the average velocity was presented.

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The parametric equation of the plane is -10(x - 1) + 20(y - 2) - 8(z - 3) = 0.

To determine the parametric equation of the plane passing through D(1, 2, 3), E(5, 2, 1), and F(1, 0, 8), you'll need to find the normal vector and a point on the plane.

1. Calculate the directional vectors DE and DF:
  DE = E - D = (4, 0, -2)
  DF = F - D = (0, -2, 5)

2. Find the normal vector (n) by taking the cross product of DE and DF:
  n = DE x DF = (-10, 20, -8)

3. Use the point-normal form of the plane equation:
  A(x - x0) + B(y - y0) + C(z - z0) = 0
  where (A, B, C) are the components of the normal vector n and (x0, y0, z0) is a point on the plane, like D.

4. Plug in the values:
  -10(x - 1) + 20(y - 2) + (-8)(z - 3) = 0

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The measure of length PQ will be 22 units.

A triangle's third side is stated to be parallel to the line segment uniting its two midpoints, and it is also half as long as the third side.

Given:

PQ = 5x + 62, and MN = 6x-4

Now, using Mid- Point Theorem

PQ= 1/2 MN

-5x+ 62 = 1/2( 6x - 4)

-5x+ 62 = 3x - 2

-5x- 3x = -2 - 62

-8x = -64

x= 8

PQ= 5x+ 62 = -5(8) + 62 = -40 + 62 = 22

Hence, the measure of PQ is 22 units.

The missing image is attached below.

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Answer:

y=20x + 40x

Step-by-step explanation:

Answer:

y=20x+40

Step-by-step explanation:

y represents how many gallons of water he used

x represents the amount of days

(example) if he watered his plants for 2 days:

y=20(2)+40

y=40+40

y=80

if he watered his plants for 2 days he would have used 80 gallons of water.

if this helped please rate, thanks, and mark brainliest :)

Answer:

The essence of Mathematics lies in its freedom

Answer:

x = 9

Step-by-step explanation

9x - 1 = 80

add 1 to both sides and you get

9x = 81

divide each side by 9 and you get

x = 9

The solution of equation 9x - 1 = 80 by combining like terms with the use of operations addition, division, etc is x = 9. Hence option 4 is true.

Used the concept of an equation that states that,

An equation is a group of numerical variables and functions that have been combined using operations like addition, subtraction, multiplication, and division.

Given that the expression is,

9x - 1 = 80

Now simplify the expression by combining like terms with the use of operations addition, division, etc.

The expression is,

9x - 1 = 80

Add 1 on both sides,

9x - 1 + 1 = 80 + 1

9x = 81

Divide both sides by 9,

x = 81/9

x = 9

So, x = 9 is the solution of expression.

Thus option 4 is true.

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A scientist can use bootstrap analysis to estimate the strength of evidence that a particular node in a phylogeny exists.

Bootstrap analysis is a statistical method used to determine the reliability and robustness of phylogenetic trees' topologies. In bootstrap analysis, a series of random resampling with replacement is used to assess how well the observed data fit the phylogenetic hypothesis.

Bootstrap values range from 0 to 100 and reflect the proportion of times that a particular node or branch occurs in the bootstrap replicate trees. Bootstrap values greater than 70% are usually considered strong evidence that a particular node or branch exists in the phylogenetic tree.

Bootstrap analysis is an important tool for understanding the reliability of phylogenetic trees and the evolutionary relationships among organisms.

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The correct option is B. The complete collection of all elements, individuals, measurements, scores, or other entities that are of interest and relevant to a particular study or analysis is called the population.

A collection is a group of items that have been gathered or accumulated together based on a particular theme or purpose. Collections can be made up of physical objects such as books, stamps, coins, or artwork, as well as digital items like photos, music, or videos. Collections can also refer to data structures in computer programming that hold groups of related items.

People often collect items as a hobby or passion, and the act of collecting can bring a sense of fulfillment, enjoyment, and satisfaction. Collections can have both sentimental and monetary value, and they may be displayed in personal or public settings, such as museums or galleries. The process of collecting often involves researching and acquiring new items, as well as organizing and preserving the existing collection.

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The volume of the solid obtained by rotating the region in the first quadrant bounded by y = x^6, y = 1, and the y-axis around the x-axis is π/4 cubic units.

To find the volume of the solid obtained by rotating the region in the first quadrant bounded by y = x^6, y = 1, and the y-axis around the x-axis, we will use the method of cylindrical shells.

The volume of the solid can be calculated using the formula:

V = ∫[a,b] 2πx * f(x) dx,

where a and b are the limits of integration and f(x) represents the function that defines the region.

In this case, the limits of integration are from x = 0 to x = 1 (where y = 1 intersects with y = x^6).

V = ∫[0,1] 2πx * (x^6) dx

= 2π * ∫[0,1] x^7 dx

= 2π * [(x^8)/8] evaluated from 0 to 1

= 2π * [(1^8)/8 - (0^8)/8]

= 2π * (1/8)

= π/4.

Therefore, the volume of the solid obtained by rotating the region in the first quadrant bounded by y = x^6, y = 1, and the y-axis around the x-axis is π/4 cubic units.

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Withholding food and fluids before surgery is done to ensure that the patient's stomach is empty. This helps to minimize the risk of aspiration, which occurs when stomach contents enter the lungs. Aspiration can lead to respiratory complications such as pneumonia, which can be dangerous for the patient.

The appropriate response by the nurse is d) It prevents aspiration and respiratory complications. Withholding food and fluid before surgery is important to prevent aspiration, which occurs when stomach contents enter the lungs during surgery, and can cause respiratory complications. It also helps ensure a clear surgical field. However, the patient will still receive necessary fluids and medications through an IV during surgery to prevent dehydration and maintain blood pressure. It is important to follow the healthcare provider's instructions on pre-operative fasting to ensure the safest surgical experience.
d) It prevents aspiration and respiratory complications.
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Answer:

i got a orange

Step-by-step explanation:

The height of the cylinder whose area is given would be =7.6cm.

To calculate the height of a cylinder, the formula for the area of cylinder should be used and it is given below as follows;

Surface area of cylinder = 2πr²+2πhr

This can also be written as = 2πr(h+r)

surface area = 54cm²

h+r = 9cm

r = ?

54 = 2×2.14×r(9)

54 = 38.52r

r = 54/38.52

r = 1.4

h = 9-1.4 = 7.6cm

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