I’m struggling on this. Concept

Answer:

the loop is going by 4

Step-by-step explanation:

Answer:

a : b : c = 5/3 : 5 : 7

Step-by-step explanation:

We have to find a : b : c,

a = b/3,

so, the ratio a : b = b/3 : b = 1/3 : 1

a : b = 1/3 : 1

and b : c = 5 : 7

Now, we have to make the value of b in both the ratios same,

so,

a : b = 1/3 : 1,

Multiplying by 5,

a : b = (1/3 : 1 ) * 5

a : b = 5/3 : 5

Now, comparing the ratios a : b = 5/3 : 5 and b : c = 5 : 7,

we have,

a : b : c = 5/3 : 5 : 7

A 32-bit signed number expressed in the hexadecimal number is 0xFFFFFFFB.

For negative number is represented by 2's complement. It is 1's complement +1.

0000-> Hex digit 0

0001-> Hex digit 1

0010-> Hex digit 2

0011-> Hex digit 3

0100-> Hex digit 4

0101-> Hex digit 5

0110-> Hex digit 6

0111-> Hex digit 7

1000-> Hex digit 8

1001-> Hex digit 9

1010-> Hex digit A

1011-> Hex digit B

1100-> Hex digit C

1101-> Hex digit D

1110-> Hex digit E

1111-> Hex digit F

32-bit number is 00000000000000000000000000000101. Its 1's complement is 11111111111111111111111111111010

2's complement is 11111111111111111111111111111010+1 =11111111111111111111111111111011

for hexadecimal, we group 4 binary bits

11111111111111111111111111111010= 1111 1111 1111 1111 1111 1111 1111 1010

hexadecimal value of 1111 is F

hexadecimal value of 1111 is F

hexadecimal value of 1111 is F

hexadecimal value of 1111 is F

hexadecimal value of 1111 is F

hexadecimal value of 1111 is F

hexadecimal value of 1111 is F

hexadecimal value of 1011 is B

Therefore, the hexadecimal number is 0xFFFFFFFB.

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Hey there!

“Write 9 1/12 as a decimal”

9(12) + 1 / 12

9(12) = 108

108 + 1/ 12

108 + 1 = 109

109/12

109/12 = 9.083

Answer: 9.083

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

The standard deviation of f$ ar{x},f$ is usually called the "sample standard deviation".

This is a commonly used statistical measure that represents the amount of variation or dispersion within a set of data. It is calculated by taking the square root of the variance, which is the average of the squared differences from the mean.

The sample standard deviation is often used to compare the variability of different sets of data and to determine the significance of differences between them. Financial contracts known as derivatives are those entered into by two or more parties and whose value is derived from an underlying asset,

collection of assets, or benchmark. A derivative may be traded over-the-counter or on an exchange. Derivative prices are based on changes in the underlying asset.

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Answer:

you can not do that. They are not like terms. Even though they are raised to the same power, they don't have the same variable

Step-by-step explanation:

Answer:

WXYZ can not be a rectangle because consecutive sides are not perpendicular to each other.

Step-by-step explanation:

The given vertices are W(-4,3), X(1,5), Y(3,1) and Z(-2,-1).

Plot these points on coordinate plane and draw the quadrilateral as shown below.

\(Slope=\dfrac{y_2-y_1}{x_2-x_1}\)

Using this formula, we get

\(m_{WX}=\dfrac{5-3}{1-(-4)}=\dfrac{2}{5}\)

\(m_{XY}=\dfrac{1-5}{3-1}=\dfrac{-4}{2}=-2\)

Now,

\(m_{WX}\times =\dfrac{2}{5}\times (-2)=-\dfrac{4}{5}\neq -1\)

Here, WX and XY are two consecutive sides of quadrilateral but the product of their slopes is not equal to -1. It means they are not perpendicular to each other.

Since, all interior angles of a rectangle are right angles, therefore, WXYZ can not be a rectangle.

Answer:

7

Step-by-step explanation:

answer is in photo above

The equation of the line that passes through the points (8,-1) and (2,-5) is 2x - 3y = 19.

The given coordinate are (8, -1) and (2, -5).

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line.

The slope of the equation is \(m=\frac{y_{2}-y_{1} }{x_{2}-x_{1}}\).

The standard form of an equation is Ax + By = C.

The given the point-slope form is \(y+1=\frac{2}{3} (x-8)\).

Multiply each term by 3 of the equation.

\((y+1) \times3=\frac{2}{3} (x-8) \times3\)

⇒3y + 3 = 2x - 16

Subtract 2x from both sides of a equation.

That is, -2x + 3y + 3 = - 16

Subtract 3 from both sides of a equation.

That is, -2x + 3y = - 19

Multiply each term by - 1 from both sides of an equation.

That is, 2x - 3y = 19

Therefore, the equation of the line that passes through the points (8,-1) and (2,-5) is 2x - 3y = 19.

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$9.10 in all nickels is how many nickels

9.10 / 0.05

how many 5 cent pieces add up to that

182 nickels

a penny is one cent

just move the decimal place over twice

9.10

910.0

910 pennies

Hope this helps

- Jeron :- )

Answer:

-15

Step-by-step explanation:

Set up the composite function and simplify

Heuristics refers to rules of thumb that simplify the decision-making process. Heuristics are mental shortcuts that help individuals make decisions quickly, often relying on previous experience or intuition rather than a more systematic approach.

While heuristics can be useful, they can also lead to biases and errors in judgment if they are applied too broadly or without careful consideration. It is important to be aware of these heuristics and how they can affect decision-making processes, especially in complex or high-stakes situations where careful consideration is necessary.

The answer is C.

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Answer:

$3.74

Step-by-step explanation:

5 pounds is 9.35 means 1 pound is 1.87 dollars

2 pounds is 3.74 dollars

Answer:

0.1

Step-by-step explanation:

10,000 * (1/100,000) = 0.1

Using f -statistic value relationship with population variation , the ratio of population variance lie in interval [0.1008,2.021].

0.1008 <σ₁²/σ₂²< 2.021

So, the correct option is option( d).

A professor wants to compare the variances of scores between two sections of classess.

we have

sample size for first class score (n₁) = 13

sample size for second class score (n₂) = 16

confidence interval is 99%

sample variance of first sample (s₁²) = 203.25

sample variance of second sample (s₂²)= 474.42

Using the relationship

( s₁² /s₂² )/F₁₋ₐ/₂ < σ₁²/σ₂²< ( s₁²/s₂²)/Fₐ/₂

a = 0.005

F at (1- a/2) or F₀.₉₉₅, ₁₃,₁₆= 4.249

F at a/2 or F₀.₀₀₅,₁₃, ₁₆ = 0.2118

plugging all known values in above formula

=> ( 203.25/474.42)/4.249<σ₁²/σ₂²< (203.25/474.42)/0.2118

=> 0.1008 <σ₁²/σ₂²< 2.021

=> σ₁²/σ₂² ∈[0.1008,2.021]

Hence, the ratio of population variance lies between interval [0.1008,2.021].

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\(\text{Suppose the width of the rectangle is }x\text{ cm}\)

\(\text{then the perimeter can be expressed as}\)

\(2(24+x)=72\)

\(24+x=36\)

\(x=12\)

\(\text{Therefore the area of the rectangle is }24\cdot x=24\cdot 12=288\text{ cm}{}^2\)

Answer: Solution,

length (l) = 24 cm

perimeter (p)= 74 cm

Area (A) = ?

we know,

P = 2(l + b )

74 = 2( 24 + b)

74 = 48 + 2b

2b = 74 - 48

2b = 26

b= \(\frac{26}{2}\)

b = 13

now,

A = l*b

   = 24 * 13

   = 312 cm square

Therefore, the area of the rectangle is 312 cm square.

The mean height of the given sample of values is approximately 65.20.

The heights of the 15 students are as follows:

{59, 61, 62, 63, 63, 64, 65, 65, 66, 67, 67, 67, 67, 69, 73}

To find the mean (average) height of the given values, we need to add up all the heights and then divide the sum by the total number of heights:

59 + 61 + 62 + 63 + 63 + 64 + 65 + 65 + 66 + 67 + 67 + 67 + 67 + 69 + 73

= 978

So, the mean height can be calculated as:

Mean height = Total height / Number of heights = 923 / 15 = 65.2

Therefore, the mean height is approximately 65.20.

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The required results from the given functions are t(0) = 0, r''(0) = (8, 8, 8) and r'(t) · r''(t) = 32(e^(4t) - 1 + 2te^(4t))

Given r(t) = 2e^(2t), 2e^(-2t), 2te^(2t)To find: t(0), r''(0), and r'(t) · r''(t).

We know that r(t) = 2e^(2t), 2e^(-2t), 2te^(2t)So, r'(t) will be: r'(t) = d/dt(2e^(2t), 2e^(-2t), 2te^(2t))= (4e^(2t), -4e^(-2t), 2e^(2t) + 4te^(2t))

And, r''(t) will be: r''(t) = d/dt(4e^(2t), -4e^(-2t), 2e^(2t) + 4te^(2t))= (8e^(2t), 8e^(-2t), 8e^(2t) + 8te^(2t))

Now, we need to find t(0): As we know, t is a scalar variable, it can be calculated only from the third component of r(t). Let us find it: 2te^(2t) = 0 => t = 0So, t(0) = 0r''(0): Putting t = 0 in r''(t), we get: r''(0) = (8e^0, 8e^0, 8e^0) = (8, 8, 8)

Also, we need to find r'(t) · r''(t):r'(t) · r''(t) = (4e^(2t), -4e^(-2t), 2e^(2t) + 4te^(2t)) · (8e^(2t), 8e^(-2t), 8e^(2t) + 8te^(2t))= 32e^(4t) - 32e^(0) + 16te^(4t) + 64te^(4t)= 32(e^(4t) - 1 + 2te^(4t))

Therefore, t(0) = 0, r''(0) = (8, 8, 8) and r'(t) · r''(t) = 32(e^(4t) - 1 + 2te^(4t)) are the required results.

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Answer:

Step-by-step explanation:

large boxes shiped 678

small boxes shiped 563

Answer:

I think C sorry if wrong

The margin of error for the 90% confidence interval is 5.84

To find the margin of error for a 90% confidence interval, we will use the given information and the z-score table provided.

1. Identify the z-score for a 90% confidence level: Since the confidence level is 90%, there is 10% left in the tails. Divide this by 2 to find the area in each tail, which is 5%. Look for the z-score associated with 0.05 in the table provided. The z-score is 1.645.

2. Find the standard error: The standard error is calculated as the population standard deviation (σ) divided by the square root of the sample size (n). In this case, σ = 21 and n = 35.

Standard Error (SE) = σ / √n = 21 / √35 ≈ 3.55

3. Calculate the margin of error: The margin of error (ME) is calculated by multiplying the z-score by the standard error.

ME = z-score * SE = 1.645 * 3.55 ≈ 5.84

4. Round the final answer to two decimal places: 5.84

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.

Answer:

1. -13 degrees

2. $12

3. 6 yards

4. 15 points

Step-by-step explanation:

1. -5 - 8 = -13

2. $100 - $88 = $12

3. 13 - 7 = 6

4. 10 x 2 = 20 - 5 = 15

Answer:

b

Step-by-step explanation:

Its 0

important to know the size of the freshman classes in relation to the population size before using z-procedures in this situation, so the answer will be option C

In statistical inference, when using z-procedures such as hypothesis testing or constructing confidence intervals, one of the assumptions is that the samples are independent. In this scenario, knowing that the university had 6000 or more entering freshmen is important to ensure that the sample size is less than 10% of the population size.

The 10% condition is necessary to maintain the independence of samples. When the sample size is small relative to the population size, each sample observation has a greater impact on the population proportion, potentially violating the assumption of independence.

By ensuring that the sample size is less than 10% of the population size, we can reasonably assume that each sample observation is independent of each other. This allows us to use z-procedures and rely on the properties of the normal distribution for inference.

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Using the relation between velocity, distance and time, we have that:

Velocity is distance divided by time, that is:

s = d/t.

For this problem, the parameters are:

d = 50, t = 24.76.

Hence:

s = d/t

s = 50/24.76

s = 2.02 yd/sec.

Then:

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A vertical 1-meter stick casts a shadow of 0.4 meters , then the height of the tree is 30 meters , the correct option is (c) .

We use the concept of proportions to find the height of the tree .

We know that , A vertical stick of 1 meter casts a shadow of 0.4 meters.

We have to find the height of tree which casts a shadow of 12 meter at the same time ,

Let x =  the height of the tree in meters.

So , we can write ,

⇒ 1/0.4 = x/12 ,

Simplifying this proportion:

We get ,

⇒ 0.4x = 12 ,

⇒ x = 12/0.4

⇒ x = 30

Therefore, the height of the tree is Option(c) 30 meters.

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The given question is incomplete , the complete question is

A vertical 1-meter stick casts a shadow of 0.4 meters. If a tree casts a shadow of 12 meters at the same time, how tall is the tree?

(a) 13.4 meters

(b) 12.6 meters

(c) 30 meters

(d) 4.8 meters.

Yes, Gabby is correct. Lake city is warmer at 8F  than Ellenville.

Temperature is defined as the sum of the kinetic energies of all the atoms or molecules in a substance. The kinetic energy of a substance's constituent particles varies. A distribution can be used to depict the particles' kinetic energy at any particular moment.

Temperature is measured in Fahrenheit, Celsius and Kelvin.

As minus sign with the temperature depicts cold and hot and it have to do nothing with the calculation. The correct way is 14-6 = 8f. So Gabby is correct. We will not consider minus sign with six in calculations.

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The probability that a randomly chosen junior who volunteers in their community volunteers at least twice a week is approximately 0.4444, or 44.44%

Explain the term probability

Probability is a measure of the likelihood or chance of an event occurring. It is expressed as a number between 0 and 1, where 0 represents an impossible event and 1 represents a certain event. Probability is used in various fields, including mathematics, statistics, and science, to analyze and predict the outcomes of experiments, games of chance, and real-world events.

According to the given information

Using Bayes' theorem, we can write:

P(T|V) = P(V|T) * P(T) / P(V)

We know that two-thirds of the juniors volunteer in their community, so P(V) = 2/3.

We also know that 45% of the juniors who volunteer do so at least twice a week, so P(T) = 0.45.

To find P(V|T), we can use the conditional probability formula:

P(V|T) = P(V and T) / P(T)

We can interpret P(V and T) as the probability of junior volunteering at least twice a week AND volunteering in their community. We don't have that information directly, but we can use the fact that P(T|V) = 0.45 to estimate it:

P(T|V) = P(V and T) / P(V)

0.45 = P(V and T) / (2/3)

P(V and T) = 0.45 * (2/3) = 0.3

Now we can substitute all these values into the original Bayes' theorem formula:

P(T|V) = P(V|T) * P(T) / P(V)

P(T|V) = (P(V and T) / P(T)) * P(T) / P(V)

P(T|V) = 0.3 / (0.45 * (2/3))

P(T|V) = 0.4444...

Therefore, the probability that a randomly chosen junior who volunteers in their community volunteers at least twice a week is approximately 0.4444, or 44.44%

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The solution to the given inequality as represented in the task content are; z < - 1.00485413 OR z > 1.00485413.

It follows from the task content that the solution of the given inequality; ( 29 / 289z ) < ( 16 / 161 ) z is to be determined.

Since the given inequality is;

( 29 / 289z ) < ( 16 / 161 ) z

By cross multiplication; we have;

161 × 29 < ( 16z × 289z )

( 161 × 29 ) / ( 16 × 289 ) < z²

1.00973183 < z²

Therefore;

1.00485413 < z. OR. -1.00485413 > z.

Ultimately, z < - 1.00485413 OR z > 1.00485413.

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