[x3
x<-3]
Determine f(5) for f(x) = 2x²-9, -3≤x<4
5x+4,
x24]

The Discriminant of the quadratic equation "2x + 5x² = 1" is 24  .

The Discriminant(D) of the Quadratic Equation ax² + bx + c can be calculated using the formula ; D = b² - 4ac .

the quadratic equation is given as 2x + 5x² = 1 ;

after rearranging the terms ,

the equation can be written as :

⇒ 5x² \(+\) 2x - 1 = 0  ;

Substituting the values in the discriminant formula ,

we get ;

D = (2)² - 4×5×(-1)

Simplifying further ,

we get ;

D = 4 + 20

D = 24 .

Therefore , the value of the Discriminant is 24 .

The given question is incomplete , the complete question is  

What is the discriminant of the quadratic equation 2x + 5x² = 1  ?

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\(3 b(broccolis=\frac{1}{8} )=\frac{3}{8}\)

\(4c(carrots=\frac{1}{6})=\frac{4}{6}\)

Lastly:

\(2t(tomatoes=\frac{1}{4})=\frac{2}{4}\)

Without the standard deviation, we cannot calculate the standard error or the 95 percent confidence interval for the mean time required to stabilize emergency condition 4 using display panel B.

To calculate a 95 percent confidence interval for the mean time required to stabilize emergency condition 4 using display panel B, we can use the least squares means estimates provided in the JMP output.

According to the JMP output, the estimate for the mean time required to stabilize emergency condition 4 using display panel B is 10.375000.

To calculate the confidence interval, we need to find the margin of error. The margin of error can be calculated using the formula:

Margin of Error = Critical Value * Standard Error

In this case, we need to find the critical value for a 95 percent confidence interval. Since we have a sample size of 24 (as mentioned in the question), we can use the t-distribution with (24-1) degrees of freedom to find the critical value.

Looking up the critical value in the t-distribution table, with (24-1) degrees of freedom and a confidence level of 95 percent, we find that the critical value is approximately 2.064.

The standard error can be calculated using the formula:

Standard Error = Standard Deviation / √(sample size)

The standard deviation is not provided in the given information. Therefore, we cannot calculate the standard error or the confidence interval without this information.

In summary, without the standard deviation, we cannot calculate the standard error or the 95 percent confidence interval for the mean time required to stabilize emergency condition 4 using display panel B.

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Answer:

-4

Step-by-step explanation:

Ok so you get two sets of proportional pairs: -3 and -1 , and -30 and -10.

The relationship between these is that the first term is 3 times the second. So you divide the first term by 3 to get the second.

So you divide -12 by 3 to get -4.

Hope this helps!

Answer:

-4 (*/ω＼*)

Step-by-step explanation:

Answer: B

Step-by-step explanation:

Answer:

the answer is 22

Step-by-step explanation:

In the consolidated financial statements, the intercompany sales between Perez, Inc. and Senior, Inc. need to be eliminated to avoid double counting of the profits.

When Perez, Inc. sells goods to Senior, Inc., the intercompany sales should be eliminated in the consolidated financial statements. This means that the revenue and cost of goods sold related to these transactions should be removed from both companies' individual income statements.

Since Perez, Inc. sold goods with a 40% gross profit to Senior, Inc., the gross profit on these intercompany sales needs to be eliminated. This adjustment ensures that the consolidated financial statements reflect only the external sales and expenses of the group as a whole.

Furthermore, as Perez, Inc. owns 80% of Senior, Inc., the consolidated income statement should also reflect the portion of Senior, Inc.'s income that belongs to the non-controlling interest (20% ownership not held by Perez, Inc.). This adjustment ensures that the consolidated financial statements accurately reflect the economic interest of both the parent company (Perez, Inc.) and the non-controlling interest (the remaining 20% ownership in Senior, Inc.).

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erez, Inc., owns 80% of Senior, Inc. During the year just ended, Perez sold goods with a 40% gross profit to Senior. Senior sold all of these goods during the year. In its consolidated financial statements for the year, how should the summation of Perez and Senior income statement items be adjusted?

The general solution of the differential equation \(dy/dx + y = e^{(7x)\) is \(y = Ce^{(-x)} + (1/8)e^{(7x)\), where C is an arbitrary constant.

To find the general solution of the given differential equation, we will use an integrating factor. The standard form of a first-order linear differential equation is dy/dx + Py = Q, where P and Q are functions of x. In this case, P = 1 and \(Q = e^{(7x)\).

The integrating factor is defined as μ(x) = e^(∫P dx). Integrating P = 1 with respect to x gives us ∫1 dx = x. Therefore, the integrating factor is μ(x) = \(e^x\).

Now, multiply both sides of the differential equation by the integrating factor:

\(e^x(dy/dx) + e^xy = e^{(8x)\).

Using the product rule, we can rewrite the left-hand side as \((e^xy)' = e^{(8x)\). Integrating both sides with respect to x gives us:

∫(eˣy)' dx = ∫e^(8x) dx.

Integrating \(e^{8x}\) gives us \((1/8)e^{(8x)\), and integrating \((e^xy)'\)with respect to x gives us eˣy. Therefore, we have:

\(e^xy = (1/8)e^{(8x)} + C\).

Simplifying the equation, we get:

\(y = Ce^{(-x)} + (1/8)e^{(7x)\),

where C is an arbitrary constant, representing the family of solutions for the given differential equation.

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This question is Incomplete

Increases in snow levels are recorded with positive numbers. Decreases in snow levels are recorded with negative numbers. After a winter storm, the depth of the snow on Cherry Street was 10 cm. But then, the snow started melting at a rate of 1/3 per hour. What was the depth of the snow on Cherry Street after 3 hours?

Answer:

9 cm

Step-by-step explanation:

The depth of snow = 10cm

Rate of melting = 1/3 cm per hour

1 hour = 1/3 cm

3 hours = x cm

Cross Multiply

= 3 hours × 1/3cm = 1 hour × x cm

x cm = 3 hours × 1/3cm/1 hour

x cm = 1 cm

Hence in 3 hours, 1 cm of snow would have melted.

Therefore, the depth of the snow on Cherry Street after 3 hours is

10cm - 1 cm

= 9 cm

Answer:  125 miles

if you do the math you will get the same answer.

Answer:

800 miles

Step-by-step explanation:

Answer:

Step-by-step explanation:

-7(1-10)

10-1=9

9 – -7=2

Answer:answer is 1.43

Step-by-step explanation:

The mean is calculated by summing up all the values in the distribution and dividing it by the total number of values, while the median is the middle value when the data is arranged in ascending or descending order.

Another difference is that the mean is affected by outliers, meaning that extreme values can greatly influence its value. On the other hand, the median is not affected by outliers, as it only depends on the position of the middle value.

Therefore, to summarize, the mean is influenced by all values in the distribution and is affected by outliers, while the median is only influenced by the middle value and is not affected by outliers.

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Answer:

y = -3  x = 7

Step-by-step explanation:

2y - 3x = -27

5y + 3x = 6

3x cancels.

7y = -21

y = -3

Substitute y in 2y - 3x = -27

2(-3) - 3x = -27

-6 - 3x = -27

-3x = -21

x = 7

Step-by-step explanation:

Find the attached picture

Yes, these data support the scientist's belief that large islands are more effective at protecting at-risk species than small islands. To provide statistical justification, we can compare the probability of extinction for each island size: For large islands, the probability of extinction is 19/208, or approximately 0.091. For small islands, the probability of extinction is 66/299, or approximately 0.221.

The data provided can support the scientist's belief that large islands are more effective than small islands for protecting at-risk species. We can use the concept of probability to calculate the likelihood of extinction for both large and small islands.

For the large island, the probability of extinction for any given species is 19/208 or approximately 0.091. For the small island, the probability of extinction for any given species is 66/299 or approximately 0.221.

Comparing these probabilities, we see that the probability of extinction is higher for at-risk species on small islands than on large islands. This supports the scientist's belief that large islands are more effective for protecting at-risk species.

Additionally, we can use statistical tests such as a chi-square test or a two-sample t-test to confirm whether the difference in extinction rates between large and small islands is statistically significant.

These tests would require more information such as sample size and variance, but based on the provided data alone, the probability calculations suggest that the scientist's belief is supported.

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The mean score of 90, and percentile of Bob's score of 80, gives Bob's exam score as approximately 92.5%

The Z-Score of the 80th percentile is 0.8416

The formula for Z-Score is presented as follows;

\(z = \frac{x - \mu}{ \sigma} \)

Where;

\( \sigma = The \: standard \: deviation\)

\( \mu = The \: mean = 90\%\)

x = The given score

Taking the mean as a proportion, we have;

\( \sigma = \sqrt{\frac{\mu \cdot (1-\mu)}{n}}\)

Which gives;

\( \sigma = \sqrt{\frac{0.9 \times (1-0.9)}{100}}= 0.03\)

Therefore, when z = 0.8416, gives;

\(0.8416 = \frac{x - 0.9}{ 0.03} \)

x = 0.8416 × 0.03 + 0.9 ≈ 0.925

Therefore;

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Answer:

City B is 4 degrees colder than City A

Step-by-step explanation:

When in degrees negatives a much colder. So if the number is negative the higher the number the colder the tempeture.

Have a great day!

Hope this helps!

PLEASE MARK BRAINLIEST.

since the population standard deviations (σ1 and σ2) are not provided, we cannot calculate the exact test statistic Z.

To test the null hypothesis H0: (μ1 - μ2) = 0 versus the alternative hypothesis Ha: (μ1 - μ2) ≠ 0, we can use a two-sample z-test. The test statistic is calculated as:

Z = (x bar1 - x bar2) / sqrt((σ1^2 / n1) + (σ2^2 / n2))

Where:
X bar1 and x bar2 are the sample means of the two groups,
σ1 and σ2 are the population standard deviations of the two groups,
n1 and n2 are the sample sizes of the two groups.

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For the (110) plane in a diamond structure with a lattice constant of 4.25 Å, the surface density of atoms is \(N_s = \frac{2}{4.25^2}\) atoms/Ų, and the volume density is \(N_v = \frac{2}{4.25^3}\) atoms/cm³.

(a) Sketching the planes within the cubic lattice

(i) The (224) plane is a plane that intersects the lattice at lattice points with coordinates (2a, 2a, 4a). It is parallel to the x-z plane and cuts the y-axis at a height of 2a.

(ii) The (-126) plane is a plane that intersects the lattice at lattice points with coordinates (-1a, 2a, 6a). It is parallel to the x-y plane and cuts the z-axis at a height of 6a.

(iii) The (023) plane is a plane that intersects the lattice at lattice points with coordinates (0a, 2a, 3a). It is parallel to the y-z plane and cuts the x-axis at the origin (0, 0, 0).

(b) Calculating the surface density of atoms and volume density for the (110) plane in a diamond structure:

The (110) plane intersects the diamond lattice in a pattern where each lattice point is shared by two adjacent planes. The lattice constant is given as 4.25 Å. To calculate the surface density of atoms, we consider that each atom resides at the corners of the intersected square lattice, and there are 2 atoms per unit cell. The area of the unit cell can be calculated as \(A = a^2\), where \(a\) is the lattice constant.

The surface density of atoms (\(N_s\)) is then given by \(N_s = \frac{2}{A}\). Substituting the given lattice constant of 4.25 Å, we get \(N_s = \frac{2}{4.25^2}\) atoms/Ų.

To calculate the volume density (\(N_v\)), we need to consider the number of atoms per unit volume. Since there are 2 atoms per unit cell, the volume density is \(N_v = \frac{2}{V}\), where \(V\) is the volume of the unit cell. The volume of the unit cell can be calculated as \(V = a^3\).

To convert the units to atoms/cm³, we need to multiply the calculated densities by \(10^{16}\) (Ų/cm²) and \(10^{-24}\) (cm³/ų), respectively.

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Answer:

What's the complex name

Pd(co2) (me3p)2

Step-by-step explanation:

(−∞,∞)

Set-Builder Notation:

{y|y∈R}

Tap to view steps...

Answer:

\(f(4)=76\)

Step-by-step explanation:

Substitute \(x=4\) into the given function:

\(f(4)=4^3+4^2-4\)

Evaluate the powers:

\(f(4)=64+16-4\)

Calculate the value:

\(f(4)=76\)

Answer:

Yes That Is Correct!

Step-by-step explanation:

If all three pairs of corresponding sides are congruent, the triangles are congruent. This congruence shortcut is known as side-side-side (SSS).

BEST OF LUCK IN MATH!

Answer:

ok so do 12 times 2 then take away that number from 300 and then divied it by 5

Step-by-step explanation:

Answer:50 adult tickets, 70 student

Step-by-step explanation:

Let number of Adult tickets sold  be x

    number of student tickets sold be y

Adult ticket costs $ 5, student ticket costs $ 3, Total collected $460,

5x+3y= 460......eq 1

Total number of tickets sold = 120 so

x+y=120, Multiply eq by 3, we get 3x+3y=360, subtract it from eq 1

5x+3y=460

-3x-3y=-360

we get,

2x = 100

x=50

x+y = 120, x= 50 so y=70

No of Adult tickets sold = 50, No of Student tickets sold = 70

Answer:

54

Step-by-step explanation:

To solve problems like this, always recall the "Two-Tangent theorem", which states that two tangents of a circle are congruent if they meet at an external point outside the circle.

The perimeter of the given triangle = IK + KM + MI

IK = IJ + JK = 13

KM = KL + LM = ?

MI = MN + NI ?

Let's find the length of each tangents.

NI = IJ = 5 (tangents from external point I)

JK = IK - IJ = 13 - 5 = 8

JK = KL = 8 (Tangents from external point K)

LM = MN = 14 (Tangents from external point M)

Thus,

IK = IJ + JK = 5 + 8 = 13

KM = KL + LM = 8 + 14 = 22

MI = MN + NI = 14 + 5 = 19

Perimeter = IK + KM + MI = 13 + 22 + 19 = 54

ans :1 mmHg = 133.322 Pa,

To convert mmHg to Pa, you will need to use a conversion factor. The conversion factor between mmHg and Pa is 1 mmHg = 133.322 Pa. This means that for every 1 millimeter of mercury, there are 133.322 pascals.

To convert a specific measurement, you will need to multiply the measurement in mmHg by the conversion factor. For example, if you have a pressure measurement of 50 mmHg, you would multiply 50 by 133.322 to get 6,666.6 Pa.

It's important to remember that the conversion factor is a ratio and it's the same for any measurement. You can use it to convert from any value of mmHg to Pa or vice versa.

Conversion can be used in many fields such as science, engineering, and medicine, it's a fundamental skill that can help you understand measurements and compare them across different units.

In summary, to convert a pressure measurement from mmHg to Pa, you will need to  and multiply the measurement in mmHg by the conversion factor to get the measurement in Pa.

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Answer:

9$

Step-by-step explanation:

Answer:

hmmmmmmmm

Step-by-step explanation:

yea i really dont know

Answer:

y-5=2/3(x+9)

Step-by-step explanation:

your welcome