Please help I’ll give brainllist

Answer:

a. f = 72/p

b. 14.4

Step-by-step explanation:

a. bringing in constant k,

f = k/p

cross multiplying

k = fp

k = 8×9

k = 72

the formula for f;

f = 72/p

b. Using the formula for f

f = 72/p

f = 72/5

f = 14.4

Answer: 55.2 km

Step-by-step explanation:

While doing conversions, simply multiply by what you want (km) over what you have(miles)

Simply do 34.5 * 8/5 = 55.2

Hope it helps :) and let me know if you want another way to find the answer

Answer:

i) 1.1

iii) 6.386

v) 3

vii) 2.013

Step-by-step explanation:

i) 22 times 0.05 = 1.1

iii) 2.06 times 3.1 = 6.386

v) 25 times 0.12 = 3

vii) 0.33 times 6.1​ = 2.013

Kind requests:

Please give me brainliest :)

Answer:

B. The quotient of the two quantities in the ratio.

Answer:

19.5

Step-by-step explanation:

2 x 19.5 = 39 - 29 = 10 :D

Answer:

gg

Step-by-step explanation:

ggxgg=gggg

Answer:

The answer to question is the second one (RSW)

Hope this helps! (if you need an explanation, just ask!) :)

Evaluation of the equation is \(\frac{y^{-14} }{6718464}\)

Here from the question, we get the evaluation

                     \([(2y)^{-3} (3y)^{-2} (6y)^{-2}]^{2}\)

Now evaluate it in the simple form we have

                   \([(\frac{1}{2y} )^{3} (\frac{1}{3y} )^{2} (\frac{1}{6y} )^{2} ]^{2}\)

                   \([\frac{1}{8y^{3} } \frac{1}{9y^{2} } \frac{1}{36y^{2} } ]^{2}\)

                  \([\frac{1}{2592y^{7} } ]^{2}\)

                  \(\frac{1}{6718464y^{14} }\)

                   \(\frac{y^{-14} }{6718464}\)

Therefore we get the simplest form of the evaluation.

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The length of the lateral height \(($\overline{AB}$)\) of the right square-based pyramid is approximately 74.47 meters.

The length of the lateral height  \(($\overline{AB}$)\) of the pyramid, we can use the formula for the volume of a pyramid:

$V = \frac{1}{3}Bh$

where $V$ is the volume, $B$ is the base area, and $h$ is the height.

We are given the volume of the pyramid as 63,960 cubic meters and the height as 30 meters. Since it is a right square-based pyramid, the base is a square, and the base area can be determined using the formula $B = s^2$, where $s$ is the length of one side of the base.

We can rearrange the volume formula to solve for the base area:

\($B = \frac{3V}{h} = \frac{3(63,960)}{30} = 7,992$\)

Since the base is a square, each side has the same length. Therefore, \($s = \sqrt{B} = \sqrt{7,992} \approx 89.45$\)meters.

The length of the lateral height ($\overline{AB}$), we can use the Pythagorean theorem. The lateral height, the height of the pyramid, and half the length of the base form a right triangle. The length of the lateral height can be :

\($\overline{AB} = \sqrt{h^2 + (\frac{s}{2})^2} = \sqrt{30^2 + (\frac{89.45}{2})^2} \approx 74.47$ meters.\)

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Answer:

Step-by-step explanation:

In this scenario, the probability of success, p is 28% = 28/100 = 0.28

Number of samples, n = 160

Probability of failure, q = 1 - p = 1 - 0.28 = 0.72

Mean,µ = np = 0.28 × 160 = 44.8

Standard deviation, σ = √npq = √160 × 0.28 × 0.72 = 5.68

Let x be the random variable representing the number of wood samples from long-leaf pine trees with a fungal disease. Since it is normally distributed and the population mean and population standard deviation are known, we would apply the formula,

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

the probability that you’ll have at least 50 diseased samples to return to your boss is expressed as

P(x ≥ 50) = 1 - P(x < 50)

For P(x < 50)

z = (50 - 44.8)/5.68 = 0.91

Looking at the normal distribution table, the probability corresponding to the z score is 0.819

Therefore,

P(x ≥ 50) = 1 - 0.819 = 0.181

Answer:

The first/top option

Step-by-step explanation:

First, we can find the inequality that the line is representing. X is the number of hours she has already done, and she has five hours more to do to fulfill the 12 or more hours of required service. The inequality would be x+5≥12.

The minimum that X has to be is 7 because any value lower than 7 would make the inequality false[ ex. 6 + 5 ≠ 12 ]. The arrow would be pointing to the right, because 7 is the minimum value, not the max, so any value higher than 7 would still make the inequality true. Lastly, the circle would be filled, because 7 is included in the set of values that make the inequality true[ 7 + 5 = 12 ].

So, the answer would be the first option.

Answer:

Step-by-step explanation:

t2 = a*r

t2 = 6

t5 = a*r^4

t5 = 162

162/6 = ar^4 / ar

r^3 = 27

r = 3

6 = a*3

2 = a

Sum = a(r^n - 1)

           =======

             r - 1

n = 5

a = 2

r = 3

Sum = 2(3^5 - 1)

           =======

               2

Sum = 242

Answer:

The answer is D: 1.25

The value of  0-((5)(-1)+(5)(-2)+(5)(-3)+(5)(-4)) is -40

An integer  is a whole number (not a fractional number) that can be positive, negative, or zero.

Given:

0-((5)(-1)+(5)(-2)+(5)(-3)+(5)(-4))

= 0+5-10-15-20

=5-25-20

= -40

Hence, value of  0-((5)(-1)+(5)(-2)+(5)(-3)+(5)(-4)) is 40.

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Option (B) is correct. The first group will have a commuting time of 0-15 minutes, as it covers the desired range and includes the shortest commuting time of 5 minutes.

The first group will have a commuting time of 0-15 minutes. This range is selected because it covers the desired commuting time range of 5-120 minutes. Since the shortest commuting time is 5 minutes, a range starting from 0 minutes would include it. Additionally, the upper limit of 15 minutes ensures that employees with longer commuting times are not included in this group.

By placing employees with commuting times ranging from 0-15 minutes in the first group, the employment agency can create a statistical grouping that represents those who have relatively short commutes. This grouping allows for better analysis and understanding of the distribution of commuting times among the 125 employees and can aid in making informed decisions regarding job placements and other related factors.

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Answer:

2/3

Step-by-step explanation:

Using the .01 level of significance means that, in the long run, a Type I error occurs 1 time in 100. This means that if we perform a statistical test 100 times, and we set the level of significance at .01, then we can expect to observe one false positive result due to chance alone. So, the correct option is 1).

A Type I error occurs when we reject a true null hypothesis, or when we conclude that there is a significant difference or relationship between two variables when in fact there is not.

By setting the level of significance at .01, we are minimizing the risk of making a Type I error while increasing the risk of making a Type II error, which occurs when we fail to reject a false null hypothesis. So, the correct answer is 1).

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Answer:

f(2) = 3

Step-by-step explanation:

Plug in 2 for x

The type directions that lie in the (110) plane are Crystal planes are equivalent planes that represent a group of crystal planes with a common set of atomic indexes.

Crystallographers use Miller indices to identify crystallographic planes. A crystal is a three-dimensional structure with a repeating pattern of atoms or ions.In a crystal, planes of atoms, ions, or molecules are stacked in a consistent, repeating pattern. Miller indices are a mathematical way of representing these crystal planes.

Miller indices are the inverses of the fractional intercepts of a crystal plane on the three axes of a Cartesian coordinate system.Let us now determine which of the type directions lie in the (110) plane.[101] is not in the (110) plane because it has an x-intercept of 1, a y-intercept of 0, and a z-intercept of 1. So, this direction does not lie in the (110) plane.[110] is in the (110) plane since it has an x-intercept of 1, a y-intercept of 1, and a z-intercept of 0.

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The Values of (a+b)ab are undefined.

Given that, a = 3an and db = -2We need to find the values of (a+b)

Now, we have a = 3an... equation (1)Also, we have db = -2... equation (2)From equation (1), we get: n = 1/3... equation (3)Putting equation (3) in equation (1), we get: a = a/3a = 3... equation (4)Now, putting equation (4) in equation (1), we get: a = 3an... 3 = 3(1/3)n = 1

From equation (2), we have: db = -2=> d = -2/b... equation (5)Multiplying equation (1) and equation (2), we get: a*db = 3an * -2=> ab = -6n... equation (6)Putting values of n and a in equation (6), we get: ab = -6*1=> ab = -6... equation (7)Now, we need to find the value of (a+b).For this, we add equations (1) and (5),

we get a + d = 3an - 2/b=> a + (-2/b) = 3a(1) - 2/b=> a - 3a + 2/b = -2/b=> -2a + 2/b = -2/b=> -2a = 0=> a = 0From equation (1), we have a = 3an=> 0 = 3(1/3)n=> n = 0

Therefore, from equation (5), we have:d = -2/b=> 0 = -2/b=> b = ∞Now, we know that (a+b)ab = (0+∞)(0*∞) = undefined

Therefore, the values of (a+b)ab are undefined.

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The hydrostatic pressure on the bottom of the aquarium is 8044 lb/ft2.

The hydrostatic pressure on the bottom of the aquarium can be found using the formula:

P = ρgh

where P is the pressure, ρ is the density of the fluid (water), g is the acceleration due to gravity, and h is the depth of the fluid.

Here, ρ = 62.5 lb/ft3, g = 32.2 ft/s2 (acceleration due to gravity), and h = 4 ft (depth of water).

Thus, the hydrostatic pressure on the bottom of the aquarium is:

P = (62.5 lb/ft3) x (32.2 ft/s2) x (4 ft)

= 8044 lb/ft2

Therefore, the hydrostatic pressure on the bottom of the aquarium is 8044 lb/ft2.

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The area of the region bounded by the parabola y=2-x^2, and the lines x-y=0 and 2x-y=0 is 2.667 square units.


To find the area, we set up a double integral over the given region. The region is bounded by the curves y=2-x^2, x-y=0, and 2x-y=0. We need to determine the limits of integration for x and y. The parabola intersects the x-axis at x=-2 and x=2.

The line x-y=0 intersects the parabola at x=-1 and x=1. The line 2x-y=0 intersects the parabola at x=-√2 and x=√2. Therefore, the limits for x are -√2 to √2, and the limits for y are x-y to 2-x^2. Integrating the constant 1 over these limits, we obtain the area as approximately 2.667 square units.

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Answer:

9.5

Step-by-step explanation:

Mark brainlyist please I've already done this before

The eICU waiting time data consists of 40 patient wait times in minutes. The mean wait time is 43.3, there is no comparison given, mode is 42, and first and third quartiles are 41 and 45 respectively.

a. To compute the mean waiting time for the 40 patients, we need to add up all the waiting times and then divide by the total number of patients. The mean waiting time can be calculated as follows:

(40 + 45 + 42 + 49 + 49 + 43 + 55 + 42 + 44 + 40 + 46 + 45 + 46 + 41 + 40 + 42 + 43 + 40 + 45 + 37 + 49 + 38 + 41 + 48 + 42 + 41 + 42 + 49 + 61 + 39 + 44 + 51 + 45 + 42 + 43 + 41 + 40 + 43 + 37 + 43) / 40 = 44.5 minutes

So the mean waiting time for the 40 patients is 44.5 minutes.

b. To compare the mean waiting time, we would need a reference point, such as the average waiting time for similar patients in a different hospital, or the target waiting time set by the hospital or healthcare organization. Without this information, we cannot make a comparison.

c. To compute the mode, we need to find the value that occurs most frequently in the data set. The mode of the waiting times is 42 minutes, as it occurs the most (3 times).

d. To compute the first and third quartiles, we need to order the data set from smallest to largest and then find the values that correspond to the 25th and 75th percentiles. The first quartile (Q1) represents the 25th percentile and the third quartile (Q3) represents the 75th percentile. The formula for finding the quartiles is as follows:

Q1 = (n + 1) / 4 * (th) value

Q3 = (3n + 3) / 4 * (th) value

Where n is the number of values in the data set and th value represents the th ordered value.

So for the 40 waiting times, Q1 can be calculated as follows:

Q1 = (40 + 1) / 4 * (10th) value = 10.25th value = 41 minutes

And Q3 can be calculated as follows:

Q3 = (3 * 40 + 3) / 4 * (30th) value = 30.75th value = 46 minutes

So the first quartile (Q1) is 41 minutes and the third quartile (Q3) is 46 minutes.

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Complete question is in the image attached

Answer:

l = 194999.45

Step-by-step explanation:

I'm going to assume that you meant 3.14 by 3,14.

336,765 = 3.14 × 0.55 × (l + 0.55)

336,765 ÷ (3.14 × 0.55) = l + 0.55

(336,765 ÷ (3.14 × 0.55)) - 0.55 = l

l = 194999.45