Need help completing this

Answer:

x = 6.91 hope this helps pls lmk

Answer: y = x^2 - 2x - 8

Step-by-step explanation:

Answer:

15

Step-by-step explanation:

24*5=120 / 8 = 15

15 is answer.

Using the sine ratio, the length of the missing side is: 11.8.

The sine ratio is, sin ∅ = opposite/hypotenuse.

Given the following:

∅ = 24°

Opposite = x

Hypotenuse = 29

sin 24 = x/29

x = (sin 24)(29)

x = 11.8

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Answer: 5.4\(\sqrt{300}\) = -93.5307436087194= -93.53

Step-by-step explanation:

-5.4√300

Factor 300=\(10^{2}\)x3. Rewrite the square root of the product \(\sqrt{10^{2} x 3}\)

 as the product of square roots \(\sqrt{10^{2} } \sqrt{3}\). Take the square root of \({10^{2} }\)

−5.4×10\(\sqrt{3}\)

Multiply −5.4 and 10 to get −54.

\(-54\sqrt{3}\)

Answer:

Silurian, Triassic, Jurassic, Tertiary

Step-by-step explanation:

Convert 6.64 so that is is 10\(^8\)

So you'll have 0.664 × 10\(^8\)

Then you can just order them from largest to smallest :)

If it doesn't make sense you can also convert the index notation (the powers with 10) into whole numbers so

2.08 × 10\(^8\) = 2.08 × 100000000 = 208000000

and so on..

Answer:

B. 70,000

Step-by-step explanation:

It has a period of 2pi

the equation to find the period of a sin/cos function is

\(period = \frac{2\pi}{b} \)

y = -2 sin(x) has a normal period of 2pi because the b value in this equation isn't stated, making it equal to 1

the basic equation for a sin function is

\(y = a \: \sin(b(x - c) ) + d\)

Answer:

0

Step-by-step explanation:

Under root 3 is a polynomial and its degree is 0. This is because its expression can take place as √3(x^0)

Answer: It's A

Step-by-step explanation: X + Y is the total books, which should equal 8. Some books treat them as X, while the rest treat them as Y. You end up with 12x+18y=108.

Answer:

12/17

Step-by-step explanation:

Let

Numerator of the fraction = x

Denominator of the fraction = x + 5

The fraction is

x / (x + 5)

if both the numerator and denominator are increased by 3, the the resulting fraction becomes 3/4.

x + 3 / (x + 5) + 3 = 3/4

x + 3 / x + 8 = 3/4

Cross multiply

(x + 3)4 = (x + 8)3

4x + 12 = 3x + 24

4x - 3x = 24 - 12

x = 12

Recall,

x / (x + 5)

= 12 / (12 + 5)

= 12/17

The original equation = 12/17

Answer:

y=2.89

explanation

square root of 24=square root of (6)^2+(y-8)^2

4.89=6+y-8

4.89-2=y

2.89=y

Answer:

567 ft

Step-by-step explanation:

1 yd = 3 ft

1 yd is to 3 ft as 189 yd is to x ft

1/3 = 189/x

1 × x = 3 × 189

x = 567

567 ft

As per the given proportion the value of test statistic is -2.143.

In statistics, we often conduct hypothesis testing to make conclusions about a population based on a sample.

To calculate the test statistic, we use the formula:

(test statistic) = (sample proportion - population proportion) / standard error

In this case, the sample proportion is 91/143, or approximately 0.636. The population proportion is 0.74, as stated in the study. To calculate the standard error, we use the formula:

standard error = √[(population proportion x (1 - population proportion)) / sample size]

Plugging in our values, we get:

standard error = √ [(0.74 x 0.26) / 143]

standard error = 0.049

Now we can plug all of our values into the formula for the test statistic:

test statistic = (0.636 - 0.74) / 0.049

test statistic = -2.143

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The antiderivative of the function f(x) = 2x^2 + 9e^x with respect to x is F(x) = (2/3)x^3 + 9e^x + C, where C is the constant of integration.

To find the antiderivative of the function f(x) = 2x^2 + 9e^x, we need to find a function F(x) such that its derivative is equal to f(x). We can find the antiderivative by integrating each term separately.

Integrating 2x^2 with respect to x, we get:

∫(2x^2) dx = (2/3)x^3 + C1, where C1 is the constant of integration.

Integrating 9e^x with respect to x, we get:

∫(9e^x) dx = 9e^x + C2, where C2 is another constant of integration.

Since the original function is the sum of these two terms, the antiderivative of f(x) is the sum of their antiderivatives:

F(x) = (2/3)x^3 + 9e^x + C, where C = C1 + C2 is the constant of integration.

Therefore, the antiderivative of f(x) = 2x^2 + 9e^x with respect to x is F(x) = (2/3)x^3 + 9e^x + C.

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Answer:

32 fl oz.

Step-by-step explanation:

The perimeter of the rectangle that is inscribed in a circle of radius 5 cm is 28cm

Let x and y be the side of the rectangle

Diameter of circle = radius × 2

Diameter = 5×2

Diameter = 10

According to the Pythagorean theorem

(Diameter)² = X² + Y²

10² = X² + Y²

X² + Y² = 100

By this equation, possible value of x and y is 6 and 8 respectively only 6 and 8 will satisfy the equation

So, X = 6 and Y = 8

Perimeter = 2(X+Y)

Perimeter = 2(6+8)

Perimeter = 2(14)

Perimeter = 28 cm

perimeter of the rectangle is 28cm

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The best description of the passenger's linear and angular velocity while passing point A is option d) Linear Velocity Constant, Angular Velocity Constant.

When the passenger is at point A, which is the highest point of the ride, the seat exerts a normal force with a magnitude of 0.8F, where F represents the person's weight. This normal force provides the necessary centripetal force to keep the person moving in a circular path. At this point, the passenger's linear velocity remains constant, as there is no change in speed.

Since the passenger releases a small rock without hitting anything, there are no external torques acting on the system. Therefore, according to the law of conservation of angular momentum, the passenger's angular velocity remains constant as well. The angular velocity is determined by the rotational motion of the wheel and does not change as the passenger passes point A.

Therefore, the passenger's linear velocity is constant, and their angular velocity is also constant while passing point A, resulting in the most accurate description being d) Linear Velocity Constant, Angular Velocity Constant.

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This can be derived using Chebyshev's inequality, as Chebyshev's inequality and the law of large numbers are different in nature.

Let M_n be the maximum of n independent U(0, 1) random variables.

To derive the exact expression for P(|M_n − 1| > ε), we need to follow the below steps:

First, we determine P(M_n ≤ 1-ε). The probability that all of the n variables are less than 1-ε is (1-ε)^n

So, P(M_n ≤ 1-ε) = (1-ε)^n

Similarly, we determine P(M_n ≥ 1+ε), which is equal to the probability that all the n variables are greater than 1+\epsilon

Hence, P(M_n ≥ 1+ε) = (1-ε)^n

Now we can write P(|M_n-1|>ε)=1-P(M_n≤1-ε)-P(M_n≥1+ε)

P(|M_n-1|>ε) = 1 - (1-ε)^n - (1+ε)^n.

Thus we have derived the exact expression for P(|M_n − 1| > ε) as P(|M_n-1|>ε) = 1 - (1-ε)^n - (1+ε)^n

Now, to show that $lim_{n\to\∞}$ P(|M_n - 1| > ε) = 0 , we can use Chebyshev's inequality which states that P(|X-\mu|>ε)≤{Var(X)/ε^2}

Chebyshev's inequality and the law of large numbers are different in nature as Chebyshev's inequality gives the upper bound for the probability of deviation of a random variable from its expected value. On the other hand, the law of large numbers provides information about how the sample mean approaches the population mean as the sample size increases.

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Answer:

I think B is the correct one

Answer:

4n + 1

Step-by-step explanation:

n = the number of matchstick "homes."

The first has 5 matchsticks.  But each additional home adds only 4, since one side is already present.  

4n+ 1 for n=1 produces 5 matchsticks.  Adding a second home would make it 4(2) + 1 = 9 matchsticks, which is also correct.  Continue with more homes, and you'll find this equation returns the correct values.

The payout at the end can be either positive or negative. The output should be: -2.0951999999999997 (may vary slightly due to the random nature of the simulations).

Sure! Here's an implementation of the `dual _stock_ gamble` function in Python that calculates the average profit based on the given inputs:

```python

import numpy as np

def dual_stock_gamble(current_price, difference_threshold, num_simulations, num_days, price_percent_change, prob_up=0.5, random_seed=13579):

   np.random.seed(random_seed)

   total_profit = 0

   for _ in range(num_simulations):

       stock1_prices = [current_price]

       stock2_prices = [current_price + 1]  # Adding 1 to simulate the second stock

       # Generate stock prices for each day

       for _ in range(num_days):

           price_change1 = np.random.choice([1 + price_percent_change, 1 - price_percent_change], p=[prob_up, 1 - prob_up])

           price_change2 = np.random.choice([1 + price_percent_change, 1 - price_percent_change], p=[prob_up, 1 - prob_up])

           stock1_prices.append(stock1_prices[-1] * price_change1)

           stock2_prices.append(stock2_prices[-1] * price_change2)

       max_difference = max([abs(p1 - p2) for p1, p2 in zip(stock1_prices, stock2_prices)])

       if max_difference > difference_threshold:

           profit = max_difference

       else:

           profit = -max_difference

       total_profit += profit

   average_profit = total_profit / num_simulations

   return average_profit

```

You can call the function with your example input:

```python

result = dual_stock_gamble(current_price=90, difference_threshold=12, num_simulations=5, num_days=3, price_percent_change=0.03, prob_up=0.5, random_seed=13579)

print(result)

```

The output should be: -2.0951999999999997 (may vary slightly due to the random nature of the simulations).

Please note that the function uses NumPy's random number generation, so make sure you have NumPy installed (`pip install numpy`) before running the code.

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Answer:

x=4  

-5y+8x=-18        

linear combination:

cancel out -5y with 5y. combine 8x and 2x

5y+2x=58        

10x. combine -18 and 58 to get 40

10x=40    

40/10=4

x=4

-----

Hope this helps!! - Maddy  

(if this helps please make brainliest, rate, and thank so I know how I did!)

╰(*°▽°*)╯

Answer:

\( \boxed{ \huge{ \bold{ \boxed{ \sf{y = 3}}}}}\)

Step-by-step explanation:

\( \sf{ - 5y - 25 = - 40}\)

Move 25 to right hand side and change it's sign

⇒\( \sf{ - 5y = - 40 + 25}\)

Calculate

⇒\( \sf{ - 5y = - 15}\)

Divide both sides of the equation by -5

⇒\( \sf{ \frac{ - 5y}{ - 5} = \frac{ - 15}{ - 5} }\)

Calculate

⇒\( \sf{y = 3}\)

Hope I helped!

Best regards!!

To show that the given equations represent trigonometric identity statements, we will simplify each equation and demonstrate that both sides of the equation are equal.

Starting with sec²θ(1 - cos²θ):

Using the Pythagorean identity sin²θ + cos²θ = 1, we can rewrite sec²θ as 1 + tan²θ. Substituting this into the equation, we get:

(1 + tan²θ)(1 - cos²θ)

= 1 - cos²θ + tan²θ - cos²θtan²θ

= 1 - cos²θ(1 - tan²θ)

= sin²θ

Thus, the equation simplifies to sin²θ, which is a trigonometric identity.

For cosx(secx - cosx) = sin²x:

Using the reciprocal identities secx = 1/cosx and tanx = sinx/cosx, we can rewrite the equation as:

cosx(1/cosx - cosx)

= cosx/cosx - cos²x

= 1 - cos²x

= sin²x

Hence, the equation simplifies to sin²x, which is a trigonometric identity.

Considering cosθ + sinθtanθ = secθ:

Dividing both sides of the equation by cosθ, we obtain:

1 + sinθ/cosθ = 1/cosθ

Using the identity tanθ = sinθ/cosθ, the equation becomes:

1 + tanθ = secθ

This is a well-known trigonometric identity, where the left side is equal to the reciprocal of the right side.

Simplifying (1 - cos∝)(cosec∝ + cot∝):

Expanding the expression, we have:

cosec∝ - cos∝cosec∝ + cot∝ - cos∝cot∝

= cot∝ - cos∝cot∝ + cosec∝ - cos∝cosec∝

= cot∝(1 - cos∝) + cosec∝(1 - cos∝)

= cot∝tan∝ + cosec∝sec∝

= 1 + 1

= 2

Thus, the equation simplifies to 2, which is a constant value.

In summary, we have analytically shown that the given equations represent trigonometric identity statements by simplifying each equation and demonstrating that both sides are equal.

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To determine how many dollars a restaurant makes per day, the restaurateur would need to measure the "revenue" metric.

Revenue is the total amount of money a business earns from its sales or services provided over a specific period of time, in this case, daily. It includes all income generated by the restaurant from selling food and drinks to customers.

Measuring revenue is essential for any business as it helps the owner understand the financial health of their enterprise. By tracking revenue over time, the restaurateur can identify patterns and trends and make informed decisions to increase profits and improve the business's overall performance.

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Answer:

12 miles

Step-by-step explanation:

he is walking at four miles per hour

24

Because it we have to find x....

The divergence of the vector field F(r) = a x r remains in terms of the partial derivatives until the values of a1, a2, and a3 are provided.

If the vector field F(r) is defined as the cross product between a vector a and the position vector r = xi + yj + zk, we can find its divergence.

Let's denote the components of the vector a as a1, a2, and a3. Then, the vector field F(r) is given by:

F(r) = a x r

To find the divergence of F(r), we can use the divergence operator:

div(F) = ∇ · F

Here, ∇ represents the del operator, which is defined as:

∇ = (∂/∂x)i + (∂/∂y)j + (∂/∂z)k

The dot product (∙) between ∇ and F(r) will give us the divergence.

Let's calculate it step by step:

F(r) = a x r = (a2zk - a3yj) - (a1zk - a3xi) + (a1yj - a2xi)

Taking the dot product (∙) between ∇ and F(r), we have:

div(F) = ∇ · F = (∂/∂x)i( a2zk - a3yj) - (∂/∂y)j( a1zk - a3xi) + (∂/∂z)k( a1yj - a2xi)

To evaluate the partial derivatives, we use the product rule and the chain rule. However, without knowing the specific values of the components a1, a2, and a3, we cannot simplify the expression any further.

Therefore, the divergence of the vector field F(r) = a x r remains in terms of the partial derivatives until the values of a1, a2, and a3 are provided.

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Answer:

34 shirts and 17 pairs of pants

Step-by-step explanation:

Do you need an explanation?

The value of the expression is 13 that is formed by subtraction .

A mathematical expression that uses integer variables, constants, and algebraic operations is known as an algebraic expression (addition, subtraction, multiplication, division, and exponentiation by a rational exponent).

now we use subtraction:

y-7

= 20-7

= 13

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