HELP MEEE
ill give brainliest whatever

Answer:

180

Step-by-step explanation:

Answer:

lol r u in the geometry summer school

Answer:

$25

Step-by-step explanation:

First you would add 27 and 9 to find the total number of games he sold, next you would divide 900 by 36 to get 25, then you would do 25 times 36 to check your answer.

Answer:

$41.00

Step-by-step explanation:

because you do the 27 and 9 add that to get 922 then divide that with 900 then you will get either 40 or 41 dollars. hope this helpss!!!:)

To determine the equation of the tangent plane and normal line of the given curve at the point P(2, -3, 18), we need to find the partial derivatives of the function f(x, y, z) = x^2 + y^2 - 2xy - x + 3y - z - 4.

Taking the partial derivatives with respect to x, y, and z, we have:

fx = 2x - 2y - 1

fy = -2x + 2y + 3

fz = -1

Evaluating these partial derivatives at the point P(2, -3, 18), we find:

fx(2, -3, 18) = 2(2) - 2(-3) - 1 = 9

fy(2, -3, 18) = -2(2) + 2(-3) + 3 = -7

fz(2, -3, 18) = -1

The equation of the tangent plane at P is given by:

9(x - 2) - 7(y + 3) - 1(z - 18) = 0

Simplifying the equation, we get:

9x - 7y - z - 3 = 0

To find the equation of the normal line, we use the direction ratios from the coefficients of x, y, and z in the tangent plane equation. The direction ratios are (9, -7, -1).Therefore, the equation of the normal line passing through P(2, -3, 18) is:

x = 2 + 9t

y = -3 - 7t

z = 18 - t

where t is a parameter representing the distance along the normal line from the point P.

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The volume of the regular pentagonal prism with an edge length of 9 m and a height of 13 m is approximately 1811.6 m³ to the nearest tenth.

To find the volume of a regular pentagonal prism with an edge length of 9 m and a height of 13 m, follow these steps:

Step 1: Find the apothem (a) of the base pentagon. Use the formula a = s / (2 * tan(180/n)), where s is the edge length and n is the number of sides (5 for a pentagon).

a = 9 / (2 * tan(180/5))
a ≈ 6.1803 m

Step 2: Calculate the area (A) of the base pentagon. Use the formula A = (1/2) * n * s * a.

A = (1/2) * 5 * 9 * 6.1803
A ≈ 139.3541 m²

Step 3: Determine the volume (V) of the pentagonal prism. Use the formula V = A * h, where h is the height.

V = 139.3541 * 13
V ≈ 1811.6033 m³

So, the volume of the regular pentagonal prism with an edge length of 9 m and a height of 13 m is approximately 1811.6 m³ to the nearest tenth.

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Answer: 132.7 square inches

Area of a circle formula: \(\pi r^{2}\)

Because we know that a diameter is twice the size of the radius and the diameter is 13 inches, we can divide 13 by 2 to get 6.5

Plug in this value into the formula, to get \(\pi (6.5^{2})\). Simplify the equation to get \(\pi (42.25)\). Multiply to get 132.7.

Answer:

It's A

Step-by-step explanation:

To find area= pie*raduis*radius

To find raduis you'll divide diameter by two

so 13 divided by 2 is 6.5

6.5*6.5*3.14=132.7

Answer:

Step-by-step explanation:

S and L are the number of small cups and large cups, respectively.

S + L = 150

L = 150 - S

1.25S + 2.50L = 265

1.25S + 2.50(150-S) = 265

1.25S - 2.50S + 375 = 265

S = 88

L = 150-S = 62

A recurrence relation for the number of ternary strings of length n that do not contain two consecutive 0s : T(n) = 2T(n-1) + T(n-2) and the initial conditions are : T(1) = 3 and T(2) = 9 .

Let T(n) be the number of ternary strings of length n that do not contain two consecutive 0s.

Consider a ternary string of length n. The last digit can be either 0, 1, or 2. If the last digit is 1 or 2, then we can append either 0, 1, or 2 to any string of length n-1 that does not end in 0 to get a string of length n that does not contain two consecutive 0s. Therefore, the number of such strings of length n is 2T(n-1).

If the last digit is 0, then the second-to-last digit must be 1 or 2, and the rest of the string of length n-2 can be any string of length n-2 that does not end in 0. Therefore, the number of such strings of length n is T(n-2).

Putting these cases together, we get the recurrence relation:

T(n) = 2T(n-1) + T(n-2)

with initial conditions:

T(1) = 3 (0, 1, or 2)

T(2) = 9 (00 is not allowed, but each of the other two digits can be followed by any of the three digits)

Therefore, the number of ternary strings of length n that do not contain two consecutive 0s can be calculated using the recurrence relation T(n) = 2T(n-1) + T(n-2), with initial conditions T(1) = 3 and T(2) = 9.

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The correct answer is a. H0: u≥2 hours and H1:u<2 hours. When testing a right-tailed hypothesis using a significance level of 0.025, a sample size of n=13, and with the population standard deviation unknown, the critical value is as follows:

To determine the critical value, we need to use the t-distribution since the population standard deviation is unknown.

Using a t-distribution table or calculator with 12 degrees of freedom (n-1), a one-tailed test, and a significance level of 0.025, the critical value is 2.1604.

If the test statistic is greater than or equal to this value, we can reject the null hypothesis in favor of the alternative hypothesis, which is a right-tailed hypothesis.

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`y = -kx^2 + C` represents the equation of the orthogonal trajectories of the given family of curves y = 16kx. The orthogonal trajectories of the given family of curves y = 16kx are `y = -kx^2 + C` where C is any constant. What are orthogonal trajectories? Orthogonal trajectories refer to the curves that intersect with the given family of curves at an angle of 90 degrees.

They are perpendicular to each other, and this is where the name "orthogonal" comes from. To determine the orthogonal trajectories, we have to follow the below-mentioned steps: Step 1: Find the slope of the given family of curvesStep 2: Find the negative reciprocal of the slope found in step 1 to get the slope of the orthogonal trajectoriesStep 3: Replace y' in the differential equation with the slope of orthogonal trajectories found in step 2Step 4: Simplify the obtained differential equation to obtain the equation of the orthogonal trajectories the given family of curves, y = 16kx, the slope of the curve is given by/dx = 16kThe negative reciprocal of this slope will be -1/16k. This slope will represent the slope of the orthogonal trajectories. To obtain the equation of the orthogonal trajectories, we have to replace dy/dx in the differential equation with -1/16kdy/dx = -1/16k16ky = -x + COr, y = -kx^2 + where C is any constant. Hence, `y = -kx^2 + C` represents the equation of the orthogonal trajectories of the given family of curves y = 16kx.

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Answer:

I think its number 4

Step-by-step explanation:

but im not sure

Step-by-step explanation:

here is your answer hope you will enjoy

please mark me as a brainlist

thank you

Answer:

135.5"

Step-by-step explanation:

Answer:

8509.4

Step-by-step explanation:

The critical-numbers and the open intervals where the function f(x) = x^3 - 3x + 4 is increasing on  (-∞, -1) and (1, ∞) and decreasing on (-1, 1).

The critical numbers are the points where the derivative equals zero or is undefined:

f'(x) = 0

⇒ 3x^2 - 3 = 0

⇒ 3(x^2 - 1) = 0

⇒ x^2 = 1

⇒ x = ±1

The function is increasing on the interval (-∞, -1) and (1, ∞) and decreasing on the interval (-1, 1).

To find the relative minima and maxima, we need to analyze the behavior of the function at critical points and the endpoints of the intervals.

For x = -1 and x = 1:

f(-1) = (-1)³ - 3(-1) + 4

      = 2

f(1) = (1)³ - 3(1) + 4

    = 2

So both x = -1 and x = 1 correspond to relative maxima of the function.

For the endpoint of the interval (-∞, -1) and (1, ∞), we can use the limit:f(x) → -∞ as x → -∞andf(x) → ∞ as x → ∞

Thus, there is no absolute minimum or maximum.

To find the intervals where the function is concave upward and downward, we need to find the second derivative:

f''(x) = 6x

The function is concave upward on the interval (0, ∞) and concave downward on the interval (-∞, 0).

To sketch the graph of the function, we can use all the information that we have gathered so far.

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Answer:

Step-by-step explanation:

If

τ

1

and

τ

2

are two typologies on non-empty set

X

, then ………………. is topological space.

Answer: Walk through writing a general formula for the midpoint between two points. ... I believe you would simply find the differences in x and y from the midpoint to the one ... How would you solve a problem in which you do not know point B but are given ... the line y=x and the curve y=4x-x^2 intersect at the point p and q.

Step-by-step explanation:

Triangle KVM is similar to triangle BVG because angle M = angle G = 90° and angle V is common to both triangles.

Two triangles are similar if the angles are the same size or the corresponding sides are in the same ratio.

For two triangles to be similar, the corresponding angles must be congruent i.e equal.. Also the ratio of the corresponding sides of similar triangles are equal.

angle M and G are both 90° , this means they are equal.

angle KVM = BVG

therefore angle K = angle B

Since all the corresponding angles are equal, we can say triangle KVM is similar to triangle BVG

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Answer:

x=5, y=4. (5, 4).

Step-by-step explanation:

y=2x-6

y=5x-21

--------------

2x-6=5x-21

2x-5x-6=-21

-3x-6=-21

-3x=-21+6

-3x=-15

3x=15

x=15/3

x=5

y=2(5)-6

y=10-6

y=4

The correct statement is c. The Adjusted R-squared is a measure used in multiple regression analysis that is between 0 and 1. It is different from the R-squared value in simple linear regression.

The Adjusted R-squared can decrease if the addition of another X regressor does not sufficiently lower the sum of squared residuals (SSR) relative to the impact of increasing the number of predictors (k). It measures the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size, rather than the ratio of the sum of squared residuals to the total sum of squares. It provides a measure of how well the regression model fits the data, and it ranges between 0 and 1. A value closer to 1 indicates that a higher proportion of the variance in the dependent variable is explained by the predictors.

Adding another X regressor to the multiple regression model can impact the Adjusted R-squared. If the additional regressor does not significantly contribute to reducing the sum of squared residuals (SSR) relative to the increase in the number of predictors (k), the Adjusted R-squared can decrease. This means that the added regressor does not improve the model's ability to explain the variance in the dependent variable adequately.

However, the Adjusted R-squared does not directly measure the ratio of the sum of squared residuals to the total sum of squares. Instead, it represents the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size. It penalizes models with a large number of predictors that may overfit the data, thereby providing a more reliable measure of the model's goodness of fit.

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Mohammed should deposit approximately $263.16 each month to accumulate $13,000 in the next three-and-a-half years.

To calculate the monthly deposit Mohammed should make, we can use the formula for the future value of an ordinary annuity:

FV = P * [(1 + r)^n - 1] / r,

where:

FV is the future value ($13,000 in this case),

P is the monthly deposit,

r is the monthly interest rate (5.5% divided by 100 and then by 12 to convert it to a decimal),

n is the total number of compounding periods (3.5 years multiplied by 12 months per year).

Plugging in the values, we have:

13,000 = P * [(1 + 0.055/12)^(3.5*12) - 1] / (0.055/12).

Let's calculate it:

13,000 = P * [(1 + 0.004583)^42 - 1] / 0.004583.

Simplifying the equation:

13,000 = P * (1.22625 - 1) / 0.004583,

13,000 = P * 0.22625 / 0.004583,

13,000 = P * 49.3933.

Now, solving for P:

P = 13,000 / 49.3933,

P ≈ $263.16 (rounded to the nearest cent).

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There are 3876 ways in which Patricia can choose 4 pizza toppings from a menu of 19 toppings if each topping can only be chosen once. In permutation, the order is very important, and it is denoted by "P." which means that each item can only appear once in the lineup, and there are no duplicates. The formula for permutation is given as: P(n, r) = n!/(n-r)!

What is combination?In a combination, the order is not essential, and it is denoted by "C." It means that things can be jumbled up, and there are no duplicates. The formula for a combination is given as: C(n, r) = n! / (r! * (n-r)!)How to calculate the number of ways to choose 4 pizza toppings from a menu of 19 toppings?

To calculate the number of ways to choose 4 pizza toppings from a menu of 19 toppings, we need to use the combination formula, which is: C(n, r) = n! / (r! * (n-r)!)Here, n = 19 and r = 4, so the formula becomes: C(19,4) = 19!/(4!(19-4)!) = 19!/(4!15!) = (19*18*17*16)/(4*3*2*1) = 38,76. Therefore, there are 3876 ways in which Patricia can choose 4 pizza toppings from a menu of 19 toppings if each topping can only be chosen once.

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Answer:

D

Step-by-step explanation:

\( \sqrt{x } \geqslant 1\)

on your graph x is not equal to 0 starting from one and going to Infinity.

Answer:

I think II

Step-by-step explanation:

Answer:

what>???????????????????/

Step-by-step explanation:

Answer:

9x+4=24+x; x=2.5

Step-by-step explanation:

Answer: 237.160283353

Step-by-step explanation:

Answer:

the answer is 237.1602834

source: Calculator

The series of transformations that correctly maps rectangle ABCE to LMNO is: Translate rectangle ABCD right 9 units, then dilate the result by a scale factor of 3 centered at the origin.

Based on the diagram, translation is by adding 9 to the x-coordinates of all the points in the rectangle.

Also,the dilation us by multiplying the coordinates of all the points in the translated rectangle A'B'C'D' by a factor of 3.

Hence, the series of transformations that correctly maps rectangle ABCE to LMNO is to teanslate rectangle ABCD right 9 units, then dilate the result by a scale factor of 3 centered at the origin.

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Answer:

15/56

Step-by-step explanation:

5/8 x 3/7 = (5x3)/(8x7) = 15/56

Hope it helps!

Null hypothesis not rejected; test not statistically significant at 95% confidence.

Based on the information you provided, the p-value is 0.09, and your significance level (alpha) is 0.05. In hypothesis testing, if the p-value is smaller than the significance level, it indicates that the results are statistically significant, and the null hypothesis should be rejected.

Conversely, if the p-value is greater than the significance level, it suggests that there is not enough evidence to reject the null hypothesis.

In your case, the p-value of 0.09 is larger than the significance level of 0.05. Therefore, you do not have enough evidence to reject the null hypothesis. This means that the results are not statistically significant at the 95 percent confidence level.

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Answer:

4x + (x + 1) / (x^2 + 1)

Explanation:

We perform the long division

The result of the above long division tells is that

If we now divide both sides by x^2 + 1, we get

Hence,

Therefore, the first choice from the options is the correct answer!

Answer:

x = 25

Step-by-step explanation:

Correct question

In a right triangle Sin (40-x)=cos(3x) what is the value of x

Since Sin theta = Cos(90-theta)

Sin (40-x) = Sin(90-3x)

40 - x = 90 - 3x

-x+3x = 90 - 40

2x = 50

x = 25

Hence the value of x is 25