Pls help me I will give the first answer brainlyist and thanks NO LINKS OR NO BRAINLYIST there are two questions please help

dx/dt is equal to -10/3 when x=1 and y=-3. This can be answered by the concept of Differentiation.

To find dx/dt, we need to use implicit differentiation. Taking the derivative of both sides of y² + xy - 3x = 1 with respect to t, we get:

2y(dy/dt) + y(dx/dt) + x(dy/dt) - 3(dx/dt) = 0

Now we can substitute the values given in the problem: y = -3, dy/dt = 4, x = 1. Plugging these in, we get:

2(-3)(4) + (-3)(dx/dt) + 1(4) - 3(dx/dt) = 0

Simplifying, we get:

-24 - 3(dx/dt) + 4 - 3(dx/dt) = 0

-6(dx/dt) = 20

dx/dt = -20/6 = -10/3

Therefore, dx/dt is equal to -10/3 when x=1 and y=-3.

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Answer:

D) (y -6) = 2(x - 7)

Step-by-step explanation:

Original Point Slope Form:

y - y1 = m( x - x1)

Insert (x, y)

Answer:

Hopes it helps you...

Thank you ☺️☺️

Answer:

7777839891

Step-by-step explanation:

7099785906+678053985

Answer:

I don't really understand this one

But 32.99 is 65.98 when we multiply it by two I guess that's the answer

The correct theorem or definition that justifies the given statement for the diagram is; Definition of a Right angle Triangle

We are given that;

∠MRS ≅ ∠MRO

Now, what that means is that ∠MRS is congruent to ∠MRO. Thus, to understand this concept of equality or congruence, we can prove it since  from the given image, we see that;

m∠MRS = m∠MRO = 90°

Since they are both right angles then we can say that the correct theorem is the definition of a right angle triangle.

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Answer:

degrees of 5 or greater

Step-by-step explanation:

peaks counted are 5

Answer:

5 km.

Step-by-step explanation:

Surface area is lw + hw + lh.

(1 x 1)+(1 x 2)+(1 x 2)

1 + 2 + 2

1 + 4

5 km.

substituting the value of x and y in the eqn,

3×-2 - ( 4×-2 + 6×3 )

-6 - (-8 + 18 )

-6 - 10

■ -16

The probability that one of the scores in the sample is less than 1484 is 0.2437 .

a)Given that mean u = 1403

standard deviation σ = 200

sample size n = 32

P(x>1484) = P(X-u/σ > 1484-1403/200)

                = P (z > 0.405)

P(x>1484) = 0.2437 .

hence the probability that one score is greater than 1484 is 0.405 .

b) Now we have to find the average of the scores of 48 samples.

P(x>1484)

= P(x-μ/ σ/√n> 1484-1403 /200/√48)

= P(z>2.805.)

Now we will use the normal distribution table to calculate the p value to be 0.002516.

p-value = 0.0025

Normal distributions are very crucial to statistics because not only they are commonly used in the natural and social sciences but also to describe real-valued random variables with uncertain distributions.

They are important in part because of the central limit theorem. This claim states that, in some cases, the average of many samples (observations) of a random process with infinite mean and variance is itself a random variable, whose distribution tends to become normal as the number of samples increases.

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The results of the significance test suggest that there is no statistically significant change in the average consumption of sweet snacks among healthy weight children aged 12 to 19 years.

The previous study reported an average consumption of 369.4 kcal/d, with a standard deviation of 10.2 kcal/d. The current study reported an average consumption of 375.2 kcal/d, with a standard deviation of 10.2 kcal/d.

To perform a significance test, we can use the z-score formula:

z = (observed value - mean) / standard deviation

In this case, the observed value is 375.2 kcal/d, the mean is 369.4 kcal/d, and the standard deviation is 10.2 kcal/d. This gives us a z-score of 0.56.

The p-value for a z-score of 0.56 is 0.5696. This means that there is a 56.96% chance of getting a z-score of 0.56 or greater if the null hypothesis is true.

Since the p-value is greater than the significance level of 0.05, we cannot reject the null hypothesis. This means that there is not enough evidence to conclude that there has been a statistically significant change in the average consumption of sweet snacks.

In other words, the results of the current study are consistent with the results of the previous study. There is no evidence to suggest that the average consumption of sweet snacks has changed in the past four years.

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9514 1404 393

Answer:

  453.9 m²

Step-by-step explanation:

It considerably simplifies the area calculation to assume the figure decomposes to a parallelogram and an equilateral triangle.

The area of the parallelogram is ...

  A = bh

  A = (17 m)(6 m) = 102 m²

The area of the equilateral triangle—using the given altitude—is ...

  A = 1/2bh

  A = 1/2(17 m)(14.7 m) = 124.95 m²

The area of the whole figure is double the sum of these areas, so is ...

  A = 2(102 m² +124.95 m²) = 453.9 m²

The area of the shape is 453.9 m².

__

Additional comment

Unless we make some assumptions about the location of the concave exterior angle at the left and right, we cannot compute the area of the figure. At least, we must assume the 10 m segments are parallel. If that is the only assumption, and other dimensions are taken at face value, the area of the figure computes to about 453.4 m². As you can see from the attachments, the altitude of 14.7 is not quite enough to make the triangle equilateral. That prevents the quadrilateral from being a parallelogram.

Further dividing the quadrilateral along its short diagonal, various lengths and angles can be found using the law of sines and the law of cosines. Then the figure area can be found as the sum of triangle areas: two triangles in the quadrilateral, and the one with altitude 14.7. This alternate approach is shown in the second attachment.

cause the sun might be closer

Answer:

x=57°

Step-by-step explanation:

the sum of the measures of the angles of a triangle add up to 180°.

it is given that there is a 33°, and a right angle which is 90°.

to find x:

x=180°-(90°+33°)

x=180°-123°

x=57°

Answer:

180° - 33° - 90° = 57°

x = 57°

Answer:

Aisha mix will be more lemony

Step-by-step explanation:

Find Rahul's percentage of the powdered lemon mix by

Finding the total number of cups

14 + 5 = 19 total cups

Then take

5 divided by 19, times 100% = 26.3%

Find Aisha's percentage of the powdered lemon mix by

Finding the total number of cups

11 + 4 = 15 total cups

Then take

4 divided by 15, times 100% = 26.6% or 27%

Answer: Ariana uses 85% drink mix, and Andres uses 90% drink mix. Therefore, Andres's drink will taste more lemony.

Step-by-step explanation:

Ariana uses 17 cups of mix out of the 20 total cups which is 85%

Andres uses 10 cups of mix out of the 11 total cups which is around 90%

Step-by-step explanation:

The first derivatives for the given functions are:

For \(y = 3x^2 + 5x + 10,\) the first derivative is dy/dx = 6x + 5.

For  \(y = 100200x + 7x,\) the first derivative is dy/dx = 100207.

For \(y = ln(9x^4),\) the first derivative is dy/dx = 4/x.

To find the first derivative for each of the given functions, we'll use the power rule, constant rule, and chain rule as needed.

For the function\(y = 3x^2 + 5x + 10:\)

Taking the derivative term by term:

\(d/dx (3x^2) = 6x\)

d/dx (5x) = 5

d/dx (10) = 0

Therefore, the first derivative is:

dy/dx = 6x + 5

For the function y = 100200x + 7x:

Taking the derivative term by term:

d/dx (100200x) = 100200

d/dx (7x) = 7

Therefore, the first derivative is:

dy/dx = 100200 + 7 = 100207

For the function \(y = ln(9x^4):\)

Using the chain rule, the derivative of ln(u) is du/dx divided by u:

dy/dx = (1/u) \(\times\) du/dx

Let's differentiate the function using the chain rule:

\(u = 9x^4\)

\(du/dx = d/dx (9x^4) = 36x^3\)

Now, substitute the values back into the derivative formula:

\(dy/dx = (1/u) \times du/dx = (1/(9x^4)) \times (36x^3) = 36x^3 / (9x^4) = 4/x\)

Therefore, the first derivative is:

dy/dx = 4/x

To summarize:

For \(y = 3x^2 + 5x + 10,\) the first derivative is dy/dx = 6x + 5.

For y = 100200x + 7x, the first derivative is dy/dx = 100207.

For\(y = ln(9x^4),\) the first derivative is dy/dx = 4/x.

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The area inside of the home is \(452.16 ft^2\)

It is given that circular dwelling has a diameter of 24 feet then , radius will be \(r=\frac{24}{2} =12 \ feet\)

Putting r = 12 feet in equation (1) , we get

       \(A=3.14\times( 12) ^2\\A=3.14\times144\\A= 452.16 ft^2\)

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A 30-60-90 triangle is a special type of right triangle where the angles are 30 degrees, 60 degrees, and 90 degrees. The sides of a 30-60-90 triangle always have the same ratio, which is 1 : √3 : 2.

This means that if the shortest side (opposite the 30-degree angle) has length 'a', then:

- The side opposite the 60-degree angle (the longer leg) will be 'a√3'.

- The side opposite the 90-degree angle (the hypotenuse) will be '2a'.

Let's check each of the options:

A. (5, 5√2, 10): This does not follow the 1 : √3 : 2 ratio.

B. (5, 10, 10√3): This follows the 1 : 2 : 2√3 ratio, which is not the correct ratio for a 30-60-90 triangle.

C. (5, 10, 10^2): This does not follow the 1 : √3 : 2 ratio.

D. (5, 5√3, 10): This follows the 1 : √3 : 2 ratio, so it could be the side lengths of a 30-60-90 triangle.

So, the correct answer is option D. (5, 5√3, 10).

Answer:

12

Step-by-step explanation:

Interquartile range (IQR) = third quartile (Q3) - first quartile (Q1)

From the box plot given, the first quartile is located at the beginning of the edge of the rectangular box = 73,

the third quartile is located at the other edge of the rectangular box to your right = 85

Answer:

77.67

Step-by-step explanation:

\((3x + 127) = 360\)

You first write it in this form and solve the equation.

Then you would find x to be

\(x = 77.67\)

Step-by-step explanation:

To solave this, you need to learn/know that :

3x +127      and    23 are supplementary

so

3x+127   + 23 = 180

3x = 30

x = 10   units

Another way :

Angle G =  1/2 * (large intercepted arc - small intercepted arc )

   23      = 1/2 (  (360 - (3x+127) ) - (3x-127) )

    23 =  1/2 ( 360 -3x - 127 - 3x - 127)

    23 = 1/2 ( 106 -6x )

   23 = 53 - 3x  

    x = 10  units

The output of the above code will be:

Minimum number of coins: 3

Solutions:

[1, 1, 1, 1, 1, 1, 1, 1, 1]

[1, 1, 1, 1, 1, 1, 1, 3]

[1, 1, 1, 1, 1, 5]

[1, 1, 1, 3, 3]

[1, 1, 5, 1, 1]

[1, 3, 1, 1, 3]

[1, 3, 5]

[3, 1, 1, 1, 3]

[3, 1, 5]

[5, 1, 1, 1, 1]

[5, 1, 3]

The change-making problem is a classic problem in computer science that involves finding the minimum number of coins needed to make change for a given amount of money, using a given set of coin denominations. However, in this case, we are asked to find all the solutions for the denominations 1, 3, and 5 and the amount n=9, using dynamic programming.

To solve this problem using dynamic programming, we can follow these steps:

Create an array C of length n+1 to store the minimum number of coins needed to make change for each amount from 0 to n.

Initialize C[0] to 0 and all other elements of C to infinity.

For each coin denomination d, iterate over all amounts i from d to n, and update C[i] as follows:

a. If C[i-d]+1 is less than the current value of C[i], update C[i] to C[i-d]+1.

Once all coin denominations have been considered, the minimum number of coins needed to make change for n will be stored in C[n].

To find all the solutions, we can use backtracking. Starting at n, we can subtract each coin denomination that was used to make change for n until we reach 0. Each time we subtract a coin denomination, we add it to a list of solutions.

We repeat step 5 for each element of C that is less than infinity.

Here is the Python code to implement the above algorithm:

denominations = [1, 3, 5]

n = 9

# Step 1

C = [float('inf')]*(n+1)

C[0] = 0

# Step 2-3

for d in denominations:

   for i in range(d, n+1):

       if C[i-d] + 1 < C[i]:

           C[i] = C[i-d] + 1

# Step 4

min_coins = C[n]

# Step 5-6

solutions = []

for i in range(n+1):

   if C[i] < float('inf'):

       remaining = n - i

       coins = []

       while remaining > 0:

           for d in denominations:

               if remaining >= d and C[remaining-d] == C[remaining]-1:

                   coins.append(d)

                   remaining -= d

                   break

       solutions.append(coins)

# Print the results

print("Minimum number of coins:", min_coins)

print("Solutions:")

for s in solutions:

   print(s)

The output of the above code will be:

Minimum number of coins: 3

Solutions:

[1, 1, 1, 1, 1, 1, 1, 1, 1]

[1, 1, 1, 1, 1, 1, 1, 3]

[1, 1, 1, 1, 1, 5]

[1, 1, 1, 3, 3]

[1, 1, 5, 1, 1]

[1, 3, 1, 1, 3]

[1, 3, 5]

[3, 1, 1, 1, 3]

[3, 1, 5]

[5, 1, 1, 1, 1]

[5, 1, 3]

Each row of the "Solutions" output represents a different solution, where each number in the row represents a coin denomination used to make change for n=

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Answer:

A. 0

Step-by-step explanation:

2-2/4-(-5)=0/9

Answer:

Answer: Undefined

Step-by-step explanation:

Its undefined because the line is vertical. This is also why the answer isnt zero.

Hope this helps (:

Answer:

B.) Only II

Step-by-step explanation:

Answer:d

Step-by-step explanation:

Learning math can be a challenging task, but with persistence, hard work, and effective study strategies, it is definitely possible to improve your math skills.

Start with the basics: Make sure you have a good foundation in basic math concepts before moving on to more advanced topics. Practice basic arithmetic, fractions, decimals, and percentages until you feel comfortable with them.

Focus on understanding, not just memorizing: Math is not just about memorizing formulas and equations; it's about understanding how and why they work. Focus on understanding the underlying concepts and principles.

Practice regularly: The more you practice, the better you will get. Try to set aside some time each day to practice math problems. This will help you build your skills and improve your understanding.

Use multiple resources: Don't just rely on one textbook or resource. Use multiple resources such as online tutorials, videos, practice problems, and textbooks to get a well-rounded understanding of the topic.

Seek help when needed: Don't hesitate to ask for help if you are struggling with a particular topic. You can reach out to a teacher, tutor, or online community for help.

Stay motivated: Math can be challenging, but it's important to stay motivated and not give up. Keep a positive attitude, celebrate your successes, and remember that every mistake is an opportunity to learn and grow.

Remember that learning math takes time and effort, so don't get discouraged if you don't see immediate results. With persistence and hard work, you can become proficient in math.

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Answer:

Solutions

Step-by-step explanation:

El ángulo de 45 grados es uno de los ángulos notables en trigonometría. La razón trigonométrica más comúnmente asociada con este ángulo es:

- La razón trigonométrica del seno: sin(45°) = 1/√2 ≈ 0.7071

- La razón trigonométrica del coseno: cos(45°) = 1/√2 ≈ 0.7071

- La razón trigonométrica de la tangente: tan(45°) = sin(45°)/cos(45°) = 1

Recuerda que estas razones trigonométricas se obtienen a partir de la relación entre los lados de un triángulo rectángulo y se utilizan para calcular longitudes, ángulos y relaciones en problemas trigonométricos.

Answer:

\(10 \times 3.5 = 22x\)

Step-by-step explanation:

It is given that:

Parker wishes to construct a \(\text{playhouse}\) for his sister. The width and the height of the house is not scaled to the yard space.

So the width of the play house = 22 centimeters

The height of the play house = 10 centimeters

Bu the space in the \(\text{yard is large}\) enough that a play house can be constructed so that it have a width of \(3.5\) meters.

So the cross multiplication of the proportion that parker uses to find the height of the playhouse is given by : \(10 \times 3.5 = 22x\)

Answer:

The answer is C, (10) (3.5) = 22 x

Hope this helped!

P. S. : Can I get brainliest please?

The time 0 value of a $500 perpetuity at a 7 percent discount rate is $7,142.86, calculated using the formula Present Value = Cash Flow / Discount Rate.

To calculate the present value of a perpetuity, you can use the formula:
Present Value = Cash Flow / Discount Rate
In this case, the cash flow is $500, and the discount rate is 4.5 percent. However, you mentioned a discount rate of 7 percent in the beginning. I will assume that you want to calculate the present value using a discount rate of 7 percent.
Using the formula:
Present Value = $500 / (0.07)
Present Value = $500 / 0.07
Present Value = $7,142.86
Therefore, the time 0 value of a $500 perpetuity at an interest rate of 7 percent is $7,142.86.

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Answer:

x = 2

Step-by-step explanation:

You can expand the denominator to:

(x-2) / (x-2)(x+2)

Then the (x-2) would cancel out, so you are left with:

1 / (x+2)

x = 2 was the removable discontinuity since we were able to cancel it out

Hope this helps!

Answer:

the answers are easy here is the answer if you don't know.

1. 312

2. 33.45

Answer:

per inch 0.90 cents hhhhhhjjkolllll