Please stop and help me out!!!

Answer:

\(5.50220947\) × \(10^{34}\)

Step-by-step explanation:

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Answer:

5 x 5 is 25

Step-by-step explanation:

step by step explanation

Answer:

answer is 5x = 25

Step-by-step explanation:

easy stuff

There are 1287 different ways Ms. Bell can create a 5-Member committee of seniors from her class.

Ms. Bell's mathematics class consists of 6 sophomores, 11 juniors, and 13 seniors. The task is to determine the number of different ways Ms. Bell can create a 5-member committee of seniors, with each senior having an equal chance of being selected.

To solve this problem, we can use combinations. The number of ways to select a committee of 5 seniors from a group of 13 can be calculated using the combination formula:

C(n, k) = n! / (k!(n - k)!)

Where n represents the total number of elements (seniors in this case), and k represents the number of elements to be selected (5 in this case). The exclamation mark denotes the factorial of a number.

Using the combination formula, the number of ways to select a 5-member committee from 13 seniors is:

C(13, 5) = 13! / (5!(13 - 5)!) = 13! / (5! * 8!) = (13 * 12 * 11 * 10 * 9) / (5 * 4 * 3 * 2 * 1) = 1287

Therefore, there are 1287 different ways Ms. Bell can create a 5-member committee of seniors from her class.

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Answer:

0.15

Step-by-step explanation:

Using trigonometry :

Tanθ = opposite / Adjacent

Opposite = distance between earth and sun = 238,900

Adjacent = distance between earth and moon = 93,000,000

Tanx = 238900 / 93000000

Tanx = 0.0025688

x = tan^-1 (0.0025688)

= 0.1471820°

Answer:

0.15

Step-by-step explanation:

Took the test.

The average goods delivered for calculation  every day delivery in three different areas of Manhattan is 2.3 tons.

Now, we have to calculate the average cost and time of every day delivery in three different areas of Manhattan.Step 1: Calculation of total time for every day delivery in three different areas of Manhattan:

Time taken for the delivery in area A = 4 hours

Time taken for the delivery in area B = 6 hours

Time taken for the delivery in area C = 3 hours

Total time taken = Time for area A + Time for area B + Time for area C

= 4 + 6 + 3= 13 hours

Therefore, total time taken for every day delivery in three different areas of Manhattan is 13 hours. Calculation of total fuel used for every day delivery in three different areas of Manhattan:

Fuel used for delivery in area A = 5 gallons

Fuel used for delivery in area B = 4 gallons Fuel used for delivery in area C = 2 gallons

Total fuel used = Fuel for area A + Fuel for area B + Fuel for area C= 5 + 4 + 2= 11 gallons

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As the owner of a delivery company in Manhattan, you have three different areas to cover: A, B, and C. Each area requires a specific amount of time, fuel, and goods delivered. If you have to cover Area A and Area C in a day, you would spend a total of 7 hours (4 hours in Area A and 3 hours in Area C), consume 7 gallons of fuel (5 gallons in Area A and 2 gallons in Area C), and deliver a total of 6 tons of goods (3 tons in each area).

Let's break down the details:

1. Area A: On average, a trip to Area A takes 4 hours. During this time, you consume 5 gallons of fuel and deliver 3 tons of goods.

2. Area B: A trip to Area B takes longer, about 6 hours. You require 4 gallons of fuel and deliver 1 ton of goods.

3. Area C: Finally, a trip to Area C takes 3 hours. For this trip, you use 2 gallons of fuel and deliver 3 tons of goods.

To summarize:
- Area A: 4 hours, 5 gallons of fuel, 3 tons of goods.
- Area B: 6 hours, 4 gallons of fuel, 1 ton of goods.
- Area C: 3 hours, 2 gallons of fuel, 3 tons of goods.

Each day, you would need to consider the specific requirements for each area you deliver to. For example, if you have to cover Area A and Area C in a day, you would spend a total of 7 hours (4 hours in Area A and 3 hours in Area C), consume 7 gallons of fuel (5 gallons in Area A and 2 gallons in Area C), and deliver a total of 6 tons of goods (3 tons in each area).

Remember, these numbers represent the average values. They can vary depending on the specific conditions of each trip.

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Answer:

7.

Step-by-step explanation:

Since there is a total of 27 per class, and 20 are already in the class, you can do 27-20= 7 student slots left.

The weight in pounds of the contents in the container is 288 pounds.

The volume of right rectangular prism is obtained by multiplying all 3 dimensional measures of that prism.

Given

A shipping container in the shape of a right rectangular prism has a length of 16 feet, a width of 8 feet, and a height of 4. 5 feet.

The container is completely filled with contents that weigh, on average, 0. 50 pound per cubic foot.

The volume of the right rectangular prism is given by

\(\rm Volume = 16\times 8 \times 4.5\\\\ Volume=576 \ ft^3\)

Since the volume obtained is in cubic foot, thus there can be as many as 408 cubic foots inside the container.

Since one cubic foot content weighs around 0.50 pounds, thus,

\(\rm 1 \ cubic \ foot=0.50 \ pounds\\\\ 576 \ ft^3=0.50 \times 576 =288 \ pounds\)

Hence, the weight in pounds of the contents in the container is 288 pounds.

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The auditory canal would resonate at approximately 7154.17 Hz and 14304.35 Hz for the first two harmonics. The corresponding sound wavelengths would be approximately 0.048 m and 0.024 m for the fundamental frequency and second harmonic, respectively.

To determine the resonant frequencies of the auditory canal in its first two harmonics, we can use the formula for the resonant frequencies of a closed-end cylindrical tube:

f = (n * c) / (2L)

Where:

f = resonant frequency

n = harmonic number (1 for the fundamental frequency, 2 for the second harmonic, and so on)

c = speed of sound in air (approximately 343 m/s at room temperature)

L = length of the auditory canal (2.4 cm = 0.024 m)

A. Resonant frequencies in the first two harmonics:

For the fundamental frequency (n = 1):

f₁ = (1 * 343) / (2 * 0.024) ≈ 7154.17 Hz

For the second harmonic (n = 2):

f₂ = (2 * 343) / (2 * 0.024) ≈ 14304.35 Hz

B. Corresponding sound wavelengths in part A:

The wavelength of a sound wave can be determined using the formula:

λ = c / f

For the fundamental frequency (n = 1):

λ₁ = 343 / 7154.17 ≈ 0.048 m (or 4.8 cm)

For the second harmonic (n = 2):

λ₂ = 343 / 14304.35 ≈ 0.024 m (or 2.4 cm)

Therefore, the auditory canal would resonate at approximately 7154.17 Hz and 14304.35 Hz for the first two harmonics. The corresponding sound wavelengths would be approximately 0.048 m and 0.024 m for the fundamental frequency and second harmonic, respectively.

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I would choose Firm 1 for the repair work. Although Firm 1 has a slightly higher mean repair time, its lower standard deviation indicates more consistent and reliable repair times.

To determine which firm to choose for the repair work based on the acceptable range of repair time, we need to compare the performance of both firms in meeting the required time range.

Firm 1:

Mean repair time (μ1) = 74 minutes

Standard deviation (σ1) = 4 minutes

Firm 2:

Mean repair time (μ2) = 72 minutes

Standard deviation (σ2) = 5.1 minutes

To make a decision, we can consider two aspects: the mean repair time and the variability of repair time.

1. Mean Repair Time:

Both firms have mean repair times within the acceptable range of 50 to 90 minutes. Firm 1 has a slightly higher mean repair time of 74 minutes compared to Firm 2 with 72 minutes. However, the difference is not substantial.

2. Variability of Repair Time:

To evaluate the variability, we can consider the standard deviation. A smaller standard deviation indicates less variability in repair times.

Comparing the standard deviations, Firm 1 has a lower standard deviation of 4 minutes compared to Firm 2 with 5.1 minutes. This suggests that Firm 1 has less variability in their repair times.

Based on these considerations, I would choose Firm 1 for the repair work. Although Firm 1 has a slightly higher mean repair time, its lower standard deviation indicates more consistent and reliable repair times. This can provide more assurance that the repair time will fall within the acceptable range consistently, meeting the company's requirements.

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The probability of seeing a total of 3 heads and 2 tails in 5 tosses of a fair coin is 31.25%.

To find the probability of getting 3 heads and 2 tails when tossing a fair coin 5 times, we can use the binomial probability formula. The formula is:

P(X=k) = C(n, k) * \((p^k) * (q^{(n-k)})\)

Where:
- P(X=k) is the probability of getting k successes (heads) in n trials (tosses)
- C(n, k) is the number of combinations of n items taken k at a time
- n is the total number of trials (5 tosses)
- k is the desired number of successes (3 heads)
- p is the probability of a single success (head; 0.5 for a fair coin)
- q is the probability of a single failure (tail; 0.5 for a fair coin)

Using the formula:

P(X=3) = C(5, 3) * (0.5³) * (0.5²)

C(5, 3) = 5! / (3! * (5-3)!) = 10
(0.5³) = 0.125
(0.5²) = 0.25

P(X=3) = 10 * 0.125 * 0.25 = 0.3125

So, the probability of getting 3 heads and 2 tails when tossing a fair coin 5 times is 0.3125 or 31.25%.

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If you know the angle in radians, then the length of the arc is

(measure of the angle in radians) x (radius of the circle) .

In this circle, we know the angle and we know the radius.

Arc AB = ( π/4) x (16")

Arc AB = 4π inches

Arc AB =  about 12.566... inches

Answer:

6 pie correct on edge

Step-by-step explanation:

Answer:

Step-by-step explanation:

the area of the circle:

A= 3.14 x r^2

A=3.14 x1=3.14 ft^2

Step-by-step explanation:

Hey there!

1.)

Looking in figure;

5x = 100° {vertically opposite angle}

x = 100°/5

Therefore, X = 20°.

2.)

Looking through figure;

3x + 39° = 90°{The symbol in figure is 90°}

3x = 90°-39°

3x = 51°

x = 51°/3

x = 17°.

Therefore, X = 17°.

Hope it helps...

9514 1404 393

Answer:

Step-by-step explanation:

1. The equation should be 5x = 100, because the marked angles are congruent.

Then, dividing by 5 gives ...

  x = 100/5

  x = 20

__

2. The angles have a sum of 90°, not 180°. The correct equation is ...

  3x +39 = 90

  x + 13 = 30 . . . . divide by 3*

  x = 17 . . . . . . . . subtract 13

_____

* Sometimes when the terms of the equation have the coefficient of x as a common factor, I like to divide by that first. It makes all of the numbers smaller, so more comfortable for me to deal with. The usual method would be to subtract 39 before doing the division. You get the same answer either way.

Answer:6n+4=28

n=6

I think this is how you do it.

Answer:

Step-by-step explanation:

Let forward move mark with + and backward move with -

Then

A.....................

B.....................

C.....................

D. ....................

D is correct as we got zero result

Answer:

the answer should be D - a football team moves 10 yards forward, then 12 yards back, and then 2 yards forward.

Step-by-step explanation:

10-12=-2

-2+2=0

1x1x1 ice cubes can be stacked at

Volume = 6 in x 10in x 8in = 480 cube inches

Then answer is

= 480 cube inches / 1 cube inch = 480 ice cubes

Answer:

8. 1.5

9 (a) $90

   (b) $510

Step-by-step explanation:

8.

\(\frac{1}{4} - \frac{2x-7}{8} = \frac {x}{2}\)

Multiply all by 8

\(2 - (2x-7) = 4x\\2 - 2x + 7 = 4x\\9 = 4x + 2x\\9 = 6x\\\frac{9}{6} = x\\1.5 = x\)

9. (a)

x = cost of one DVD

Since, a blue-ray disc is equal to 2 DVD minus by 10 dollar, then a blue-ray disc = (2x-$10)

$ 610 = 3x + 2(2x - $10)

$ 610 = 3x + 4x - $ 20

$ 610 + $ 20 = 7x

$ 630 = 7x

Divide both side by 7

x = $ 90

Thus, one DVD cost $ 90.

(b)

Blue-ray disc cost = (2x - $10)

3 Blue-ray disc cost = 3(2x - $10)

= 6x - $30

Replace x with $90, since x = $90

= 6 ($90) - $30

= $ 540 - $30

= $510

If a categorical variable that can take the values from the set {Red, Blue, Green, Yellow} is included as an independent variable in a linear regression, the number of dummy variables that are created is two

When a categorical variable that has n categories is to be included as an independent variable in a linear regression analysis, it must be converted to n - 1 dummy variables. The reason for this is that including all n categories as dummy variables would cause perfect multicollinearity in the regression analysis, making it impossible to estimate the effect of each variable.In this case, the set of categories {Red, Blue, Green, Yellow} has four categories. As a result, n - 1 = 3 dummy variables are required to represent this variable in a linear regression. This is true since each category is exclusive of the others, and we cannot assume that there is an inherent order to the categories.The dummy variable for the first category is included in the regression model by default, and the remaining n - 1 categories are represented by n - 1 dummy variables. As a result, the number of dummy variables that are required to represent the categorical variable in the regression model is n - 1.

Thus, if a categorical variable that can take the values from the set {Red, Blue, Green, Yellow} is included as an independent variable in a linear regression, the number of dummy variables that are created is two .

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Answer:

x = -0.4

Step-by-step explanation:

First subtract the 0.4 from both sides. Then divide both sides by -9 to solve for x.

Answer:

-0.4

Step-by-step explanation:

Subtract 0.4 from both sides.

-9x + 0.4 = 4

       -0.4    -0.4

-9x = 3.6

Divide both sides by -9.

-9x/-9 = 3.6/-9

Simplify

x = -0.4

I hope this helps. If you have any more questions, please feel free to post them and someone will be able to help you, whether it's myself or others. Please leave a like, rating, and if possible, Brainliest. Have a great day!

Answer:

6

Step-by-step explanation:

Divide 9 by 1.5 to find the scale factor:

9/1.5

= 6

So, the scale factor from the website to real life is 6

Answer:

Usain Bolt runs about 37,383 meters an hour so he will not exceed the speed limit but will run at about 23 miles per hour.

Step-by-step explanation:

Usain Bolt runs about 37,383 meters an hour so he will not exceed the speed limit but will run at about 23 miles per hour. We get this from 3600 seconds in an hour, 3600÷9.63×100≈37383 meters an hour. 1609.344 meters in a mile. 37383÷1609.344≈23 mph

Answer:Sample Response: The speed limit is about 11.2 meters per second. Usain is running 10.38 meters per second. So he is running slower than the speed limit.

Step-by-step explanation:Need brainliest award

Answer:

Step-by-step explanation:

-3 + 5 = 2

Answer:

t = 6 hours

Step-by-step explanation:

553  =  265  +  48 t

t = 6

Explanation:

Let  R  be the repair bill . Let  P  be the cost of parts

Let  L  be the labor cost

R = P +L

R

=

553

P

=

265

553

=

265

+

L

Let  

t

be the labor duration

Let  

r

be the labor rate

L

=

r

t

r

=

48

⇒

L

=

48

t

553

=

265

+

L

⇒

553

=

265

+

48

t

⇒

288

=

48

t

⇒

t

=

6

Answer:

Complementary means they add up to 90, so you want 2 angles that add up to 90...so what do you mean for 93? Are you talking supplementary,(add to 180), because that would be 87.

Answer: no complement

Explanation: To find the complement of a 93 degree angle, we take 90 minus the measure of the angle which in this case is 90° - 93°.

Notice that this gives us a negative angle measure

and since we can't have a negative angle,

we say that the given angle has no complement.

Watch out for negative answers to geometry problems.

Since we're usually talking about angle measures

or segment lengths, negatives will not work.

Moving the vertices does not affect the relationship between the diagonals. They bisect each other in all cases.

Answer:

Despite changing the vertices, the opposite sides and opposite interior angles of the parallelogram remain equal.

Step-by-step explanation:

PLATO AWNSER

Answer:

1716

Step-by-step explanation:

These ribbons be awarded to 3 of 13 pigs in 1716

We have given that,

13 pigs are entered in the best pig competition at the country fair the judges will award very special pigs with blue, red, and white ribbons

We have to determine how many different ways can these ribbons be awarded to 3 of 13 pigs.

A permutation of a set is, loosely speaking, an arrangement of its members into a sequence or linear order, or if the set is already ordered, a rearrangement of its elements.

So the judges are going to pick 3 pigs from the 13 to give a ribbon. Since the ribbons are different, the order does matter.

So this is a permutation. This can be set up like this:

Therefore we get,

13*12*11=1716

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Answer:

2.B

Step-by-step explanation:

2.

Henry's container holds milk=200*7/8=175 ml

Answer: \(4\pi\)

Step-by-step explanation:

The circumference of the entire circle is \((4)(2\pi)=8\pi\)

So, the arc length of the semicircle is half of this - \(4\pi\).

The probability that a high school junior will take less than 135 minutes to complete the SAT exam is 0.5745.

To determine the probability, the standard normal distribution table or calculator is utilized.

The standard normal distribution table, also known as the z-score table, is used to find the probability of a certain z-score or a range of z-scores.

The SAT exam's time is normally distributed, with a mean of 150 minutes and a standard deviation of 25 minutes.The formula for z-score is as follows:

z=(x-μ)/σ

Where x is the time to complete the SAT exam, μ is the mean of the time to complete the SAT exam, and σ is the standard deviation of the time to complete the SAT exam.

To calculate the z-score, the time of 135 minutes is substituted for x, the mean μ of 150 minutes is substituted for μ, and the standard deviation σ of 25 minutes is substituted for σ.The computation is as follows:

z=(135-150)/25= -0.60

Using the standard normal distribution table, the probability of getting a z-score of -0.60 is 0.2743.

To obtain the probability that a high school junior will complete the SAT exam in less than 135 minutes, the area under the standard normal curve to the left of z = -0.60 must be computed. Because the normal curve is symmetrical, the region to the right of z = -0.60 is equal to 1 - 0.2743 = 0.7257.

Finally, to obtain the region to the left of z = -0.60, 0.7257 must be subtracted from 1:1 - 0.7257 = 0.2743

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