Am I right vote you brainiest

The correct option is B) Categorical

The variable X in this case is categorical. Categorical variables represent distinct categories or groups and do not have a numerical value associated with them. In this example, X represents different types of animals (cat, dog, pig, bear, lion), which are categories or groups.

Therefore, the correct answer is B) Categorical.

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Answer:

volume of box = l*b*h

= 8/9*5/12*3/10

= 1/9 cubic feet

Step-by-step explanation:

Answer:

f(1)=11,f(n)=f(n-1)+1

Answer:

5y + 3= 14

subtract 3 from each side

5y=11

divide each side by 5

5y/5=11/5

y=11/5 or 2.2 or 2 1/5

Hope This Helps!!!

Answer:

2.2

Step-by-step explanation:

Properties needed:

First we need to subtract 3 from both sides because of subtraction property of equality to make both sides equal.

5y + 3 = 14

      -3    -3

5y = 11

Then we need to divide 5 from both sides (division property of equality) to get y.

\(\frac{5y}{5} = \frac{11}{5}\)

And we get 2.2

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I hope this helps!

Have a great day!

The distance between the two skew lines that measure along the line Perpendicular to the two lines is \(\frac{13}{\sqrt{70}}\).

To find the distance between the skew lines and measure the distance along the line perpendicular to the two lines, it is necessary to find a vector n perpendicular to both lines. Then project rAC onto that vector.

Here's the step-by-step explanation:

Step 1 Finding vector AB and vector CD

Step 2 Finding the vector n perpendicular to both lines.

The vector that is perpendicular to both lines is the cross-product of the vectors AB and CD.

Step 3 Finding the projection of rAC onto the vector n.

Therefore, the distance between the two skew lines is \(\frac{13}{\sqrt{70}}\).

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Answer:

So it says that you need to make a scatter diagram so make a diagram that goes from 1-10 on the X axis and

7-90 on the Y axis

and 10/7 will most likely be an outlier

The snapshot graph of the wave at t=0s is a graph of the displacement of the wave along the x-axis at time t=0s.

It is a graph of the wave's initial position, which is usually a sinusoidal graph with a maximum value at the center and decreasing values as x increases. This is because the wave is traveling from left to right and its amplitude decreases as it moves further from its source. To explain in more detail, a sinusoidal wave is a wave that oscillates up and down in a regular pattern.

The snapshot graph at t=0s will show the wave at its highest point, which is the amplitude of the wave. As the wave moves along the x-axis, its amplitude will decrease as it moves further from its source. The graph will also show the wave's wavelength, which is the distance between two successive crests or troughs.

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Answer:

(x + 8)(y - 3)

Step-by-step explanation:

Since you have a few minutes left, I will make this quick.

Focus on one letter within the trapezoid ABCD. Pick a certain letter that can correlate to trapezoid A'B'C'D'.

If we move B to B', we would notice it takes 8 skips,therefore (x + 8). If we do the same for y, we would notice it takes 3 skips down. Therefore (y - 3)

False. The total shrink for a three- and four-bend saddle is equal to that of an offset.

The statement "total shrink for a three- and four-bend saddle is twice that of an offset" is true.

1. Shrink: Shrink refers to the amount of extra conduit length needed to account for bends in the conduit, so it maintains the required distance between two points after bending.

2. Offset: An offset is a two-bend conduit configuration used to navigate around obstacles while maintaining a straight path. The total shrink for an offset can be calculated using the formula: Shrink = offset height x (multiplier for the specific angle).

3. Saddle: A saddle is a conduit configuration with either three or four bends. It is used to navigate over or under obstructions while maintaining a straight path.

4. Comparison: For both three- and four-bend saddles, the total shrink is twice that of an offset. This is because a saddle consists of two sets of bends (either two offsets or an offset and a U-bend) and requires additional conduit length to accommodate these extra bends.

In conclusion, the statement is true, as the total shrink for a three- and four-bend saddle is indeed twice that of an offset.

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Answer:

(5 + 2x + 4 + 3)/4 = 5

(12 + 2x)/4 = 5

3 + 1/2x = 5         (multiply by 2

6 + x = 10

x = 4

The numbers are 5, 8, 4 and 3.

Step-by-step explanation:

Answer:

we have added 9/4 to both sides of the equation.

Step-by-step explanation:

The given equation is :

\(x^2+3x=6\)

Here, a = 1, b = 3 and c = 6

We should add (b/2)^2 to the both sides of the equation.

(b/2)^2 = (3/2)^2 = (9/4)

\(x^2+3x+\dfrac{9}{4}=6+\dfrac{9}{4}\\\\(x+\dfrac{3}{2})^2=\dfrac{33}{4}\\\\x+\dfrac{3}{2}=\pm \dfrac{\sqrt{33}}{2}\\\\x= +\dfrac{\sqrt{33}}{2}-\dfrac{3}{2}, -\dfrac{\sqrt{33}}{2}-\dfrac{3}{2}\\\\=1.37,-4.37\)

Hence, we have added 9/4 to both sides of the equation.

Length(l) of rectangular pyramid = 2ft.

Width(w) of the rectangular pyramid = 1ft.

Hight(h) of the rectangular pyramid = 2ft.

Volume of Rectangular Pyramid = \(\sf{\frac{1}{3}×Length×Width×Hight}\)

➾\(\sf{\frac{1}{3}×l×w×h}\)(putting the value of l, w and h from above.)

➾\(\sf{\frac{1}{3}×2×1×2}\)

➾\(\sf{\frac{1}{3}×4}\)

➾\(\sf{\frac{4}{3}}\)

Therefore, volume of the given rectangular pyramid = \(\sf{\frac{4}{3} ft^3}\).

And it can be rewritten in the form of mixed fraction as \(\sf{\frac1{1}{3} ft^3}\).

Answer:

Step-by-step explanation:

85 - 70 = 15

15/70 = 0.21428571428

Round to .21

Move decimal over twice to the right

21%

The derivative of the function y = x sinh(x/3) - (9 + x²) is ln((x + √(x² + 9))/3) + (x/(3√(x² + 9))) - 2x.

To find the derivative of y = x sinh⁻¹(x/3) - (9 + x²), we will use the chain rule and the power rule of differentiation.

First, we can simplify the expression by using the identity sinh⁻¹(x) = ln(x + √(x² + 1)), so we have:

y = x ln(x/3 + √((x/3)² + 1)) - (9 + x²)

Now we can differentiate term by term, using the chain rule for the first term:

y' = ln(x/3 + √((x/3)² + 1)) + x(1/(x/3 + √((x/3)² + 1))) (1/3) - 2x

Simplifying the first term and combining like terms in the second term, we get:

y' = ln((x + √(x² + 9))/3) + (x/(3√(x² + 9))) - 2x

This is the final answer for the derivative of y.

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The question is -

Find the derivative of the function y = x sinh(x/3) - (9 + x²).

Absorbance measurements of 0.05 and 2.5 are considered inaccurate due to limitations in the dynamic range of the spectrophotometer used for measurement.

Spectrophotometers are instruments used to measure the absorbance of a sample at specific wavelengths of light. They have a limited range within which accurate measurements can be obtained. Absorbance values below 0.1 or above 2.0 are generally considered outside the optimal range for accurate measurements.

Absorbance is directly proportional to the concentration of the absorbing species in a sample. When the absorbance is too low, it can be challenging to distinguish the small change in signal from the background noise, leading to increased measurement uncertainty and decreased accuracy.

On the other hand, extremely high absorbance values can saturate the detector, resulting in a non-linear response and distortion of the measurement. To obtain more accurate results, dilution or concentration adjustment techniques can be employed to bring the absorbance values within the optimal range of the spectrophotometer.

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A graph that represents the linear system of inequalities is shown in the image attached below.

In order to write a system of linear inequalities to describe this situation, we would assign variables to the number of hours coaching and number of hours at the printing shop respectively, and then translate the word problem into algebraic equation as follows:

Since Mason coaches a swim team for $15 per hour, works at a printing shop for $18 per hour and wants to earn at least $125, a linear inequality to describe this situation is given by:

15x + 18y ≥ 125.

Additionally, he cannot work for more than 20 hours a week;

x + y ≤ 20

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The value of f(g(2)) is output of the function g(2) is in the input of f(x) which

is equal to 1.

When the output of one function is given to the input of another function they are called composite functions.

In (fog)x which is [f{g(x)}] here the out of the function g(x) is the input of the function f(x).

From the graphs f(x) = -x + 5 and g(x) = x².

Now, f(g(2)) is the output of g(2) is the input of f(x).

g(2) = (2)².

g(2) = 4.

Now, f(g(2)) = -(4) + 5.

f(g(2)) = 1.

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Answer:

d, congruent angles

Step-by-step explanation:

Hope this helps!❆

Step-by-step explanation:

answer : d

congruent angles

Answer:

i got it correct⬇️

The method that Roger's credit card company use is the average daily balance method.

(1) If Roger's company uses the previous balance method:

The total balance at the end of the month is:

P= 265.40+43.33+37.71= $346.44

The interest levied on this balance = 346.44*19.40/100 *1/12 = $5.60

(2)If Roger's company uses the adjusted balance method:

The total balance at the end of the month is:

P= 265.40+43.33+37.71-90= 256.44

The interest levied on this balance = 256.44*19.40/100 * 1/12 = $4.146

The average daily balance is a common accounting method that calculates interest charges by considering the balance invested or owed at the end of each day of the billing period, rather than the balance invested or owed at the end of the week, month, or year.

(3)if Roger's company uses the Daily balance method:

Balance up to 6/1 to 6/6 = 265.40 for 5 days

Balance up to 6/6 to 6/16 = 265.40-90 = 175.40 for 10 days

Balance up to 6/16 to 6/22 = 175.40+43.33. = 218.73 for 6 days

Balance upto 6/22 to 6/30 = 218.73+37.71 = 256.44 for 8 days

So average daily balance :

(265.40*5+175.40*10+218.73*6+ 256.44*8)/30= 214.83

The interest levied on this balance = 214.83*19.40/100 * 1/12= $3.47

Thus, the method that Roger's credit card company use is the average daily balance method.

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Answer:

-5.33333.....

Step-by-step explanation:

Because f(x) is equal to -2/3 so actually multiply, (usually divide that it's multiplying but you divide when fractions or decimals are involved) and you have  -5.3333333333333.....

Pls consider giving me Brailniest! It would help out a lot!

The quadratic equation 15\(x^{2}\)-22x -7 = 0 has solution x = 1.7355 or -0.26886

In algebra, a quadratic equation (from Latin quadratus 'square') is any equation that can be rearranged in standard form as

a\(x^{2}\) + bx + c =0

where x represents an unknown value, and a, b, and c represent known numbers. One supposes generally that a ≠ 0; those equations with a = 0 are considered degenerate because the equation then becomes linear or even simpler. The numbers a, b, and c are the coefficients of the equation and may be distinguished by calling them, respectively, the quadratic coefficient, the linear coefficient and the constant or free term.

The values of x that satisfy the equation are called solutions of the equation, and roots or zeros of the expression on its left-hand side. A quadratic equation has at most two solutions. If there is only one solution, one says that it is a double root. If all the coefficients are real numbers, there are either two real solutions, or a single real double root, or two complex solutions that are complex conjugates of each other. A quadratic equation always has two roots, if complex roots are included; and a double root is counted for two. A quadratic equation can be factored into an equivalent equation

given that

5(x-1)3x = 7(x+1)

15\(x^{2}\)-15x = 7x +7

15\(x^{2}\)-22x -7 = 0

x = -b ± \(\sqrt{b^{2}-4ac }\)/2a

x = -(-22) ± \(\sqrt{(-22)-4(15)(-7)}\) /2(15)

x = 1.7355 or -0.26886

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Answer: x = 12

Step-by-step explanation:  

Distribute the parenthesis on both sides of the equation

5x - 5 + 3x = 7x + 7

8x - 5 = 7x + 7 ( subtract 7x from both sides )

x - 5 = 7 ( add 5 to both sides )

x = 12

Therefore, your answer is: x = 12

Answer:

Step-by-step explanation:

452 without estimating

450 with estimating

hope this helps

The company must find data for at least 405 MRI machines in order to have a margin of error of at most 0.70 hour when calculating a 98% confidence interval.

To calculate the required number of MRI machines for a margin of error of at most 0.70 hours with a 98% confidence interval, we need to use the formula for sample size determination.
The formula for sample size determination with a given margin of error (E), standard deviation (σ), and confidence level (Z) is:
n = (Z² × σ²) / E²
In this case, the standard deviation (σ) is given as 6 hours.

The margin of error (E) is 0.70 hours.

The confidence level (Z) for a 98% confidence interval is 2.33 (obtained from a standard normal distribution table).
Substituting these values into the formula, we have:
n = (2.33² × 6²) / 0.70²
Simplifying the equation:
n = (5.4289 × 36) / 0.49
n = 198.5184 / 0.49
n ≈ 404.88
Therefore, the company must find data for at least 405 MRI machines in order to have a margin of error of at most 0.70 hour when calculating a 98% confidence interval.

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a) P(t) = 19600 * ( 1 + 0.05 ) ^ t

b)  The estimated value of the population in the year 2008 is 25,958.

Given: The population has a continuous growth rate (r) = 5% per year.

The population in the year 2000 was 19600.

Let we consider a function P(t), where t is time or number of years at which we have to find the value of the function P(t).

Consider 2000 be the initial year of the region. so at t = 0, the population was 19600.

We know that the time value increase equation can be written as.

P(t) = Initial value * ( 1 + rate / 100) ^ t

According to the question ,

rate(r) = 5%

Initial value = 19600

The required equation is:

P(t) = 19600 * ( 1 + 0.05 ) ^ t

Now, we have to estimate the population in the year 2008.

So the time span from 2000 to 2008 is (difference from the initial year to the target year)

t = 2008 - 2000 = 8

t = 8

Therefore the estimated population in the year 2008 is:

P(8) = 19600 ( 1 + 0.05 ) ^ 8

      = 28,958.12669

Now population cannot be a decimal number so the answer is 28,958(rounded to the closest integer value).

Hence, the estimated value of the population in the year 2008 is 25,958.

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Disclaimer: The question is incomplete. The complete question is mentioned below:

The fox population in a certain region has a continuous growth rate of 5 percent per year. It is estimated that the population in the year 2000 was 19600.

(a) Find a function that models the population t years after 2000 (t=0 for 2000).

(b) Use the function from part (a) to estimate the fox population in the year 2008.

Answer:

Awesome I actually remember this haha

Step-by-step explanation:

So first, find -2 and go down to it and put a dot. Then I would go up 7 and over 2 to the left and put a dot. On number 2, I would go up 3 (because it's a positive) and then put a dot. And for -6x, make it into slope intercept form, or -6 over 1x. So it should look like this; -6/1x. Then I would go down -6 from the dot where you marked 3 at, and over to the right 1 because you already used your negative on the 6. And I always drew arrows, to make sure they wee straight lines. I really hope this helps and is right! Good luck!

296 hot lunches were sold on Friday.

The number of hot lunches sold on Friday can be calculated by multiplying the total number of hot lunches by the relative frequency on Friday:

Hot lunches sold on Friday = 1,350 * 0.22 = 296

Relative frequency is a measure of the number of times an event occurs in a sample, expressed as a proportion of the total number of events. To find the number of hot lunches sold on Friday, we multiply the total number of hot lunches sold in the week by the relative frequency of Friday. This gives us the number of hot lunches sold on Friday, which is 296 in this case. Understanding relative frequency is important in statistics as it helps to summarize data and understand the distribution of events.

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