Can y’all help me on question 12?!

Osvoldo fell short of his objective because the condition is getting AT LEAST 30%. He fell short of the requisite 30%, just achieving 25%.

In mathematics, a percentage is a number or ratio that is expressed as a fraction of 100. Occasionally, the acronyms "pct.," "pct," and "pc" are also used. But it is commonly indicated by the percent sign, "%." The % amount has no dimensions. Percentages are essentially fractions when the denominator is 100. Use the percent sign (%) to indicate that a number is a percentage by placing it next to it. For instance, you score a 75% if you properly answer 75 out of 100 questions on a test (75/100). Divide the money by the total and multiply the result by 100 to calculate percentages. The formula for calculating the percentage is (value/total) x 100%.

given

30% would be the base. The ratio of whole grains to carbohydrates has been multiplied by 100.

Mass percentage equals (55/220)*100.

Percent mass Equals 25%

Osvoldo fell short of his objective because the condition is getting AT LEAST 30%. He fell short of the requisite 30%, just achieving 25%.

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7. The probability of picking a black retriever and then a brown hound is D, 15/144

8. The probability of picking a blue marble first, changing it, and then selecting another blue marble is C, 9/25.

7. Since the first puppy is replaced back in the box, the probability of picking a black retriever on the first draw is 5/12 (since there are 5 black retrievers out of 12 total puppies).

The probability of picking a brown hound on the second draw is 3/12 (since there are 3 brown hounds left out of 12 total puppies, assuming one black retriever has already been selected and replaced in the box).

Therefore, the probability of picking a black retriever and then a brown hound is:

(5/12) x (3/12) = 15/144 = 5/48.

So the probability of picking a black retriever and then a brown hound is 5/48.

8. Since the blue marble is replaced after the first draw, the probability of picking a blue marble on both the first and second draws is the same, which is 3/5.

Therefore, the probability of picking a blue marble the first time, replacing it, and then picking another blue marble is:

(3/5) x (3/5) = 9/25

So the probability of picking a blue marble the first time, replacing it, and then picking another blue marble is 9/25.

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Answer:

Please check the explanation.

Step-by-step explanation:

Here are some of the rules using which we can easily figure out the true nature of a function.

Linear Function:

The constant change in x and y

Quadratic Function:

The constant change in x

The constant 2nd differences in y

Exponential Function:

The constant change in x

The constant ratio in y

Determining the nature of function

Given the table

x    -3     -2     -1     0      1       2

y      32    16     8     4      2      1

It is clear that there is a constant change in x

i.e. -2-(-3) = 1, -1-(-2) = 1, 0 - (-1) = 1, 1-0 = 1, 2-1 = 1

Also there is a constant ratio in y

16/32 = 1/2, 8/16 = 1/2, 4/8 = 1/2, 2/4=1/2, 1/2 = 1/2

Therefore, the given function is the exponential function.

Determining the equation

We know the exponential function is of the form

y = abˣ

Taking the point (0, 4) and substitute in the function

4 = ab⁰

as b⁰ = 1, so

4 = a(1)

a = 4

substituting the point (1, 2) and a = 4 in the function

y = abˣ

2 = 4b¹

as b¹  = b, so

2 = 4b

b = 2/4

b = 1/2

Now, substituting a = 4, and b = 1/2 in the function

y = abˣ

y = 4(1/2)ˣ

Therefore, the equation of the function is:

Answer: -4 and 9

Step-by-step explanation:

Answer:

D. 60=(x+45)

Step-by-step explanation:

They are the same degree so they should equal eachother

Answer:

The answer should be D) 60 = (x + 45)

Step-by-step explanation:

A tank diameter of 8 m, a tank plating thickness of 11.8 m, and a stress limit of 40 MPa, the maximum height of the water tank is approximately 74.9 m.

The stress on the tank plating can be calculated using the formula for hoop stress in a thin-walled cylindrical vessel: σ = P * D / (2 * t), where σ is the stress, P is the hydrostatic pressure, D is the tank diameter, and t is the plating thickness.

Rearranging the formula, we have P = (2 * σ * t) / D.

To find the maximum height, we need to determine the pressure at the base of the tank. The pressure at a certain depth in a fluid is given by P = ρ * g * h, where ρ is the density of water, g is the acceleration due to gravity, and h is the height of the water column.

Substituting this expression into the previous formula, we get h = (2 * σ * t) / (ρ * g * D).

Using the given values of D = 8 m, t = 11.8 m, σ = 40 MPa, ρ = 1000 kg/m^3, and g = 9.8 m/s^2, we can calculate the maximum height h, which is approximately 74.9 m.

Therefore, the maximum height of the water tank is approximately 74.9 m.

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Hi there!

\(\large\boxed{x = 16}\)

.5x + 3 = 11

To begin, we can subtract 3 from both sides:

.5x + 3 - 3 = 11 - 3

.5x = 8

To cancel out the .5, we must multiply both sides by 2: (.5 × 2  = 1)

2(.5x) = 2(8)

x = 16.

The standard deviation for the number of people with the genetic mutation in such groups of 800 is approximately equal to 6.1644.

Standard deviation is defined to be a quantity that is calculated to indicate the extent of deviation for a group as a whole. It is the square root of the variance. It is commonly abbreviated as SD and is represented by the symbol σ (lowercase sigma).

To find the standard deviation, we can use the formula \(\bold{\sigma=\sqrt{np(1-p)}}\) where n is the sample size and p is the proportion.

We're given that the proportion is 5% and the sample size is 800. The standard deviation is calculated as follows:

\(\sigma=\sqrt{np(1-p)}\\\\\sigma=\sqrt{(800)(5\%)(1-5\%)}\\\\\bold{\sigma\approx6.1644}\)

We've confirmed that the standard deviation is approximately equal to 6.144.

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Answer:

yes its is

Step-by-step explanation:

4x2+11x -20 = -212

-212 / 4 = -53

Multiplicity of 3 is the number of times that the value 3 appears as a root of an equation  is the multiplicity of 3 is 3

Multiplicity of 3 (also known as a 3-fold root) is a mathematical concept used to describe the number of times a certain value appears as a root (or solution) of an equation. Specifically, it refers to the number of times a certain value appears as a root of a given equation when the equation is solved.

For example, the equation x2 = 9 has three solutions: x = 3, -3, and 0. This means that the multiplicity of 3 is 3, because 3 appears three times as a root of the equation. The general formula used to calculate the multiplicity of a given root is:

Multiplicity of x = Number of times x appears as a root of the equation

In this case, the multiplicity of 3 is 3, because 3 appears as a root of the equation three times. Similarly, if there are two solutions, x = -2 and x = 0, the multiplicity of -2 is 2, because -2 appears as a root of the equation twice.

In summary, multiplicity of 3 is the number of times that the value 3 appears as a root of an equation when the equation is solved. In the example above, the multiplicity of 3 is 3.

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Answer:

294

Step-by-step explanation:

divide 84 by 4 to get how many miles they travel per hour, then multiply by 14 hours

Answer:

294

Step-by-step explanation:

first you will multiply 84 by 14 and divide by 4

Y in the expression represents the range of the function. Option A is correct.

Given that,
In the expression y = 12- 4x, what y = 3 represents in the function, is to be determined.

Range, it is the set of values that come out to an outcome for a certain mathematical operation.

here,
y = 12 - 4x
where, 12 = intercept , -4 = rate,
when y = 3 implies that, at the value of x, the outcome of the equation is 3 or it is said to be range.

Thus, Y in the expression represents the range of the function. Option A is correct.

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Answer:

P(all female)= 1/2 x 1/2 x 1/2 = 1/8

P(all male ) = 1/2 x 1/2 x 1/2 = 1/8

P(all one gender) = P(all female) + P(all male) = 1/8 + 1/8 = 1/4

What is the probability that a three-child family is two girls and one boy?

Each possible birth order has P=1/8. That is, P(G,G,B)=P(G,B,G)=P(B,G,G)=1/8.

So, P(2G,1B)= 3/8 and P(1G,2B)= 3/8.

This allows us to write the overall gender probability distribution for families of three children as follows:

1/8 will be three girls

3/8 will be two girls and one boy

3/8 will be one girl and two boys

1/8 will be three boys

Adding it all up, we have 1/8 + 3/8 + 3/8 + 1/8 = 1 (100%)

Step-by-step explanation:

Answer: y =x2 (squared)−3x−10

Step-by-step explanation:

Answer:

What are the roots of y \(y=x^{2}-3x-10\)?

\(x=5\) \(and\) \(=-2\) .

Step-by-step explanation:

The given equation in two variables is \(y=x^{2}-3x 10 y = x 2 - 3 x - 10\) .

We are asked to find the roots. We will now apply the zero factor property

by equating each factor to zero. Thus, the roots of the equation are

\(x=5\) and \(x=-2\) .

Answer:

When you find the volume of a triangle, remember to do this:

Step-by-step explanation:

Multiply the base times the height, then divide by two.

:)

The mistake is in the second triangle and is noticeable at first because the length of the leg is longer than the length of the hypotenuse.

Since this is a 30 60 90 triangle, you can use the properties that apply to them. I'm assuming that the leg with the length of 62ft is the given side. Using the rules, we know that x/2 is 62 (since the properties of a 30 60 90 triangle state that the shortest side is x/2). In order to find the hypotenuse (which is x), we can multiply both sides of the equation x/2 = 62 to get x = 124. To find the second leg, we need to use sqrt(3)*x/2, which when you plug in 124, gives 107.39. Andrea just switched the lengths of the second leg and the hypotenuse on accident.

Answer:

Step-by-step explanation:

The radious is 7 inches, that means the diameter is 14 inches.

The height is 18 inches. so...

V=πr2h=π·72·18≈2770.88472

So hence, your answer is

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Always keep more than 2 smiles so that you can share! Me happy! You happy! EVERYONE HAPPY!

Thanks!

Have a great day!

:D

Answer: A. Mean = 9.56, Median = 11, Mode = 7

Step-by-step explanation:

The mean, median and the mode for the given data is 9.56, 9, and 7 respectively.

Given data below:

In order to find the mean, it can be calculated by dividing a sum of all the data points with the number of data points in the data set.

The formula is:

\(\bar{M}=\dfrac{\sum M}{N}\)

\(\bar{M}=\dfrac{4+6+7+7+9+11+13+14+15}{9}\)

\(\bar{M}=\dfrac{86}{9}\)

\(\bar{M}=9.56\)

Next, we will find the median.

In order to find the median, we got to place the numbers in value order and find the middle.

So,

\(\text{Median}=9\)

Lastly, we will find the mode.

To find the mode, order the numbers lowest to highest and see which number appears the most often.

So,

\(\text{Mode}=7\)

Thus, the mean, median and the mode for the given data is 9.56, 9, and 7 respectively.

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Answer:

320

Step-by-step explanation:

joe has 80 three times eighty is 240 so they have 240+80=320 so they have 320 games in total

Answer:

I am not super positive this is the answer but I think it is 900

Step-by-step explanation:

Volume = LxWxH

Answer:

13500 ft²

Step-by-step explanation:

     We can find the width of the rectangle using Pythagorean theorem.

AD² + DC² = AC²

180² + DC²  = 195²

32400 + DC² = 38025

              DC² = 38025 - 32400

                     = 5625

               DC = √5625

                      = 75 ft

length = 75 ft

Width = 180 ft

\(\sf \boxed{\text{\bf Area of rectangle = length * width}}\)

                                 =  75 * 180

                                  = 13500 ft²

a) To determine if the treatment has a significant effect, we can perform a hypothesis test using the sample mean. The null hypothesis (H0) states that the treatment has no effect, while the alternative hypothesis (H1) states that the treatment does have an effect. In this case, we are conducting a two-tailed test with α = 0.05, meaning we are looking for extreme values in both tails of the distribution.

b) Using the same approach as in part a, we can calculate the z-score with a population standard deviation of σ = 12. Given M = 54, μ = 50, σ = 12, and n = 16, the z-score is calculated as z = (54 - 50) / (12 / √16) = 1.

To perform the test, we can calculate the z-score using the formula: z = (M - μ) / (σ / √n), where M is the sample mean, μ is the population mean, σ is the population standard deviation, and n is the sample size. In this case, M = 54, μ = 50, σ = 8, and n = 16.

Plugging these values into the formula, we get z = (54 - 50) / (8 / √16) = 2. Using a z-table or a statistical calculator, we find that the critical z-value for a two-tailed test with α = 0.05 is approximately ±1.96.

Since our calculated z-value of 2 is greater than the critical value of 1.96, we reject the null hypothesis. This means that the sample mean of 54 is statistically significant and provides evidence that the treatment has a significant effect.

Comparing the calculated z-value of 1 to the critical z-value of 1.96, we see that the calculated value is less than the critical value. Therefore, we fail to reject the null hypothesis.

In other words, the sample mean of 54 is not statistically significant when the population standard deviation is 12, and we do not have sufficient evidence to conclude that the treatment has a significant effect.

The magnitude of the standard deviation (σ) plays a crucial role in hypothesis testing. A larger standard deviation indicates that the data points are more spread out from the mean, resulting in a wider distribution. As a result, it becomes more challenging to detect a significant effect of the treatment, as the variability in the data increases. This is evident when comparing parts a and b of the question.

In part a, where the population standard deviation is σ = 8, the calculated z-value of 2 exceeds the critical value of 1.96. This indicates that the sample mean of 54 is statistically significant, suggesting a significant effect of the treatment.

On the other hand, in part b, where the population standard deviation is larger at σ = 12, the calculated z-value of 1 is smaller than the critical value.

Consequently, we fail to reject the null hypothesis, implying that the sample mean of 54 is not statistically significant, and we cannot conclude that the treatment has a significant effect.

Thus, a larger standard deviation reduces the ability to detect a  significant effect in a hypothesis test.

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Answer:2000

Step-by-step explanation:They are asking for the value not the digit .The digit is 2 .It’s in the thousands place .So 2000is the value of 2.

Answer:

138

Step-by-step explanation:

ggyugfxxffyuuugxhuu

The point of diminishing returns for the function R(x) occurs at the ordered pair (x, y), where x is the amount spent on advertising and y is the corresponding revenue. The specific ordered pair will be rounded to the nearest tenth.

To find the point of diminishing returns, we need to locate the maximum point on the revenue function R(x). The maximum point represents the point at which the increase in spending on advertising leads to a decreasing rate of return in revenue.

Given the function R(x) = (4/26)(-x^3 + 54x^2 + 1150x - 400), we can find the maximum point by finding the critical points where the derivative of R(x) is equal to zero.

Taking the derivative of R(x) with respect to x and setting it equal to zero, we can solve for x to find the critical points. Once we have the critical points, we can evaluate R(x) at those points to determine the maximum point.

The ordered pair (x, y) that represents the point of diminishing returns will be rounded to the nearest tenth.

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We get: v - h + k - s = Ce^(-s/2) or y - x - (h - k) = Ce^(-(x-h-s)/2).

This is the general solution to the original differential equation, in terms of h, k, and C.

To solve the differential equation

dy/dx = (x-y-1)/(x+y+1)

       dy/dx = dv/ds + k

       x - y - 1 = h + s - v - k - 1 = s - v + (h - k - 1)

        x + y + 1 = h + s + v + k + 1 = s + v + (h + k + 1)

        dv/ds + k = [(h + s - v - k - 1) - (s - v + (h - k - 1))] / [(h + s + v + k + 1) -

        (s + v + (h + k + 1))]

       dv/ds + k = [(2h - 2k - 2)s - 2v] / [-2]

       or

       dv/ds = (v - h + k - s) / 2

        dv/ds = du/ds

        and the equation becomes:

        du/ds = -u/2

        v - h + k - s = Ce^(-s/2)

        or

        y - x - (h - k) = Ce^(-(x-h-s)/2)

This is the general solution to the original differential equation, in terms of h, k, and C.

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The number of terms in the given arithmetic sequence is n = 10. Using the given first, last term, and the common difference of the arithmetic sequence, the required value is calculated.

The general form of the nth term of an arithmetic sequence is

an = a1 + (n - 1)d

Where,

a1 - first term

n - number of terms in the sequence

d - the common difference

The given sequence is an arithmetic sequence.

First term a1 = \(1\frac{1}{2}\) = 3/2

Last term an = \(2\frac{1}{2}\) = 5/2

Common difference d = 1/9

From the general formula,

an = a1 + (n - 1)d

On substituting,

5/2 = 3/2 + (n - 1)1/9

⇒ (n - 1)1/9 = 5/2 - 3/2

⇒ (n - 1)1/9 = 1

⇒ n - 1 = 9

⇒ n = 9 + 1

∴ n = 10

Thus, there are 10 terms in the given arithmetic sequence.

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Disclaimer: The given question in the portal is incorrect. Here is the correct question.

Question: If the first and the last term of an arithmetic progression with a common difference are \(1\frac{1}{2}\), \(2\frac{1}{2}\) and 1/9 respectively, how many terms has the sequence?

Thomas can pack the items into a maximum of 20 bags, with each bag containing 24 items after calculated with greatest common divisor.

To find the maximum number of bags Thomas can pack, we need to find the greatest common divisor (GCD) of 120, 168, and 192. The GCD will represent the maximum number of items that can be packed into each bag.

To find the GCD, we can use the Euclidean algorithm. First, we find the GCD of 120 and 168:

168 = 1 * 120 + 48

120 = 2 * 48 + 24

48 = 2 * 24 + 0

Therefore, the GCD of 120 and 168 is 24.

Next, we find the GCD of 24 and 192:192 = 8 * 24 + 0

Therefore, the GCD of 120, 168, and 192 is 24.

So, Thomas can pack 24 items into each bag. To find the maximum number of bags he can get, we divide the total number of items by 24:

Total number of items = 120 + 168 + 192 = 480

Number of bags = 480 / 24 = 20

Therefore, Thomas can get a maximum of 20 bags.

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Answer:

14,599

Step-by-step explanation:

The cost of walking this guest is $190.

The cost of walking the guest can be calculated by adding up the expenses incurred by the hotel.

The guest was walked to another hotel that charged a room rate of $150. Therefore, the hotel incurred a cost of $150 for the room.

In addition to the room cost, the hotel also paid for the guest's Uber ride to the new hotel, which was $15.

Furthermore, the overbooked hotel gave the guest a gift card worth $25. Although the gift card does not directly represent an expense, it can be considered as an opportunity cost for the hotel, as they could have used that money to cover other costs.

Therefore, the total cost incurred by the hotel for walking the guest is:

$150 (room cost) + $15 (Uber cost) + $25 (gift card cost) = $190

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