the first answer gets brainliest whether it's right or wrong :)

Answer:

x≥−6

Step-by-step explanation:

−6x−5≥−7x−11

−6x−5+7x≥−7x−11+7x

x−5≥−11

x−5+5≥−11+5

x≥−6

The percentage of fat in a 200 calorie peanut butter sandwich is 40%.

To find the percentage of fat in a 200 calorie peanut butter sandwich if the total amount of calories of fat are 80 calories, we need to use the formula:

Percentage of fat = (Calories of fat / Total calories) x 100

Let's substitute the given values in the above formula:

Calories of fat = 80

Total calories = 200

Percentage of fat = (80/200) x 100 = 40%

Therefore, the percentage of fat in a 200 calorie peanut butter sandwich is 40%.

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True, it is important to exercise caution when making predictions outside of the experimental region.

When using a least squares regression line, we should not predict a value of y unless the given value of x is within the range of the data used to construct the regression model, which is known as the experimental region.

Extrapolating beyond this region may lead to unreliable predictions as the regression model may not hold true outside of the range of the data. Therefore, it is important to exercise caution when making predictions outside of the experimental region.

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| 5 -4 -6 | -3 |

| 1  -3   1 | -1 |

|-3 -6  7 |  1 |

is the augmented matrix for given system of equations.

What is augmented matrix?

An augmented matrix is a matrix that represents a system of linear equations by having the coefficients of the variables and the constants on the right side in a single matrix.

It is obtained by placing the coefficients of each equation in a row and placing the constant term at the end of the row. The vertical bar in the matrix separates the coefficient matrix and the constant terms. For example, the augmented matrix for the system of equations:

5x - 4y - 6z = -3

x - 3y + z = -1

-3x - 6y + 7z = 1

would be:

| 5 -4 -6 | -3 |

| 1  -3   1 | -1 |

|-3 -6  7 |  1 |

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Solution

We are given

Distance = 5/2 miles

Time = 1/4 hours

Answer:

The speed would \(10~\text{mph}\).

Step-by-step explanation:

Step 1: State the formulas required

The formula for speed is:

\(\text{Speed}=\frac{\text{Distance}}{\text{Time}}\)

Step 2: Substitute the values into the formula

The distance is \(\frac{5}{2}~\text{miles}\) and the time is \(\frac{1}{4}~\text{hours}\).

Substitute these values into the formula:

\(\text{Speed}=\frac{\text{Distance}}{\text{Time}}\\\text{Speed}=\frac{\frac{5}{2}}{\frac{1}{4}}\\\)

Step 3: Calculate

\(\text{Speed}=\frac{\frac{5}{2}}{\frac{1}{4}}\\\\\text{Speed}={\frac{5}{2}}\div {\frac{1}{4}}\\\\\text{Speed}={\frac{5}{2}}\times 4\\\\\text{Speed}={\frac{20}{2}}\\\\\text{Speed}=10\)

So, the speed is  \(10~\text{miles per hour}\)  or  \(10~\text{mph}\).

The probability distribution at each point x along the horizontal axis.

For a Normal distribution with mean 0 and standard deviation 1,

the following Python line outputs the probability p(-0.15 < x < 1.88):

print(st.norm.cdf(1.88, 0, 1) - st.norm.cdf(-0.15, 0, 1))

Probability is the likelihood or chance that an event will occur. It is a number between 0 and 1, with 0 indicating that an event will never occur and 1 indicating that an event will always occur.

Probability values range from 0 to 1, with a value of 0 indicating that the event will never occur and a value of 1 indicating that the event will always occur.

The probability is the value between 0 and 1 that indicates the likelihood of an event occurring. The probability is obtained by dividing the number of ways an event can occur by the total number of possible outcomes.

Scipy.stats.norm is the normal distribution's probability density function (pdf) in SciPy.

The PDF function is a part of the scipy.stats library in Python. The probability density function of the normal distribution is the function scipy.stats.norm.pdf(x, loc=0, scale=1). It is the height of the probability distribution at each point x along the horizontal axis.

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Answer:

\(\frac{400}{3} \pi\)

Step-by-step explanation:

Formula for Cone: π\(r^{2}\frac{h}{3}\)

Since we have all the components, we can find the volume of the cone.

R = 10

H = 4

π\(10^{2}\frac{4}{3}\)

10×10 = 100

100π\(}\frac{4}{3}\)

\(}\frac{4}{3}\)×100

4       100          400

---  ×   -----    =    ------

3          1              3

Answer: \(\frac{400}{3} \pi\)

Hope this helped.

Find the volume of a cone with radius 10 feet and height of 4 feet.

Given Data :

Radius = 10 feet

Height = 4 feet

Formulae :

\( \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \star \: \blue{ \underline{ \overline{ \green{ \boxed{ \frak{{ \sf V}olume_{(Cone)} = \pi {r}^{2} \frac{h}{3}}}}}}}\)

Putting the values we get

\( \frak{ Volume_{(Cone)} = 3.14 × (10)² × \frac{4}{3} }\)

\( \frak{Volume_{(Cone)} = 3.14 × 100 × \frac{4}{3} }\)

\( \frak{Volume_{(Cone)} = 314 \times \frac{4}{3} }\)

\( \frak{Volume_{(Cone)} = 418.67 \: ft³ }\)

Henceforth, the volume is 418.67 ft³

If the Small helicopters weigh 2 pounds each and are shipped in a container that weighs 20 pounds. Large helicopters weigh 4 pounds apiece and are shipped in a container that weighs 10 pounds. then both containers can fit 10 small helicopters or 5 large helicopters.

           If these boxes can hold the same number of helicopters, all of the packed containers will have the same shipping weight. Therefore, the same number of helicopters will fit in either container. To calculate the number of helicopters that can fit in each container, divide the container weight by the weight of the helicopter.

For small helicopters: 20 lbs / 2 lbs = 10 helicopters

For large helicopters: 10 lbs / 4 lbs = 5 helicopters

              Therefore, both containers can fit 10 small helicopters or 5 large helicopters.

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The ratios are all equal to 0.22, we can conclude that the number of games and price do form a proportional relationship.

What is a proportional relationship?

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other.

To determine if the number of games and price form a proportional relationship, we need to check if the ratio between the number of games and price is the same for all the data points given in the table.

Let's calculate the ratios for each data point:

For 2 games at $9.00: 2/9 = 0.22

For 5 games at $22.50: 5/22.50 = 0.22

For 7 games at $31.50: 7/31.50 = 0.22

Since the ratios are all equal to 0.22, we can conclude that the number of games and price do form a proportional relationship.

Specifically, the ratio between the number of games and price is a constant value of 0.22, which means that if we double the number of games, the price will also double, and if we triple the number of games, the price will triple, and so on. Therefore, we can say that the relationship between the number of games and price is proportional.

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Answer:

7.21 m is the total length you get when you add the length of the three pieces

Answer:

i wanted to answer but someone answered

ontop

sorry for putting this on the answer bar

This statement is not true.

For a matrix B to be the inverse of a matrix A, the following two conditions must be satisfied:

AB = BA = I, where I is the identity matrix.
A and B must both be square matrices of the same size.
The equation ABI or BAI does not accurately represent the condition for matrix inversion.

Instead, it is typically written as AB = BA = I. This means that the product of matrices A and B in both orders gives the identity matrix.

This is equivalent to saying that B "undoes" the effects of A and vice versa, and thus they are inverse matrices of each other.
It is important to note that not all matrices have inverses.

A matrix is invertible (or non-singular) if and only if its determinant is not equal to zero. If a matrix is singular, it does not have an inverse.

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Answer:

Yes, there is enough

Step-by-step explanation:

The selling was =

Number of sodas sold: 70

Number of hotdogs sold: 38

Given that a combined total of 108 sodas and hot dogs are sold at a game,

The number of hot dogs sold was 32 less than the number of sodas sold.

We need to find the number of each.

Let's denote the number of sodas sold as "S" and the number of hot dogs sold as "H".

We know that the combined total of sodas and hot dogs sold is 108, so we can write the equation:

S + H = 108

We're also given that the number of hot dogs sold is 32 less than the number of sodas sold.

In equation form, this can be expressed as:

H = S - 32

Now we can substitute the second equation into the first equation:

S + (S - 32) = 108

Combining like terms:

2S - 32 = 108

Adding 32 to both sides:

2S = 140

Dividing both sides by 2:

S = 70

So the number of sodas sold is 70.

To find the number of hot dogs sold, we can substitute the value of S into one of the original equations:

H = S - 32

H = 70 - 32

H = 38

Therefore, the number of hot dogs sold is 38.

To summarize:

Number of sodas sold: 70

Number of hotdogs sold: 38

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Complete question =

At a hockey game, a vender sold a combined total of 108 sodas and hot dogs. The number of hot dogs sold was 32 less than the number of sodas sold. Find the number of sodas sold and the number of hot dogs sold.

NUMBER OF SODAS SOLD:

NUMBER OF HOT DOGS SOLD:

Answer:

a box of 10 balls for $9?

Step-by-step explanation:

because u buy 10 tennis balls for 9 dollars and the first one is not true

becuase u buy 3 balls of tennis with 3 dollars and the last answer is right

becuase you buy 10 balls for 9 that means its 1 dollar less for 10 balls

hope it helps

The answer is \(0.5544135^{\circ}$\)

given data

\({mean}(\mu)=185^{}$ \\Variance $\left(\sigma^{2}\right)=244$\)

\(\begin{aligned}&\sigma=\sqrt{244} \\&\sigma=15.6205\end{aligned}\)

\(\frac{P(x < 184)}{p(x < 203)}\)

\(\Rightarrow \frac{p\left(\frac{x-\mu}{\sigma} < \frac{184-185}{15.6205}\right)}{P\left(\frac{x-\mu}{\sigma} < \frac{203-185}{15.6205}\right)}\)

\(\Rightarrow \frac{P(z < -0.064)}{P(z < 1,1523)}\) (From z table)

\($\Rightarrow \frac{p(z < -0.06)}{p(z < 1.15)}$\)

\($\Rightarrow \quad \frac{0.47608}{0.87493}$\)

\($\Rightarrow 0.5544135^{\circ}$\)

\(=0.5544135^{\circ}$\)

What is analogue signal ?

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Therefore , the solution of the given problem of unitary comes out to be  44 adult tickets and 88 student tickets were sold at the box office.

While using what has already been learned, utilising this global equation, and including all crucial elements from earlier changeable research who used a certain technique, the goal can be achieved. If the expected claim conclusion actually occurs, it is consequently either possible to seek the entity further or both crucial procedures will surely overlook the expression. A refundable deposit of Rs ($1.21) may be needed for fifty pens.

Here,

Let's address this issue using a set of equations:

Let a represent how many adult tickets were sold.

The quantity of student tickets sold will be.

The total revenue from adult tickets is $15a because an adult ticket costs $15.

A student ticket costs $12, so the entire revenue from student tickets comes to $12.

We have the equation: As the total income from all tickets sold is $1716,

=> 15a + 12s = 1716\ss = 2a

=> 15a + 12(2a) = 1716

=> 15a + 24a = 1716

=> 39a = 1716

=> a = 44

Thus 44 adult tickets were sold at the box office. We can determine that they sold 88 student tickets using the equation s = 2a.

As a result, 44 adult tickets and 88 student tickets were sold at the box office.

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Answer:

The correct answer is x = -2.

Step-by-step explanation:

To solve this problem, we must set the two equations given equal to one another.  Since both 1/2x - 3 and -4 are equal to q(x), we know that they must also be equal to one another.  This gives us the equation:

1/2x - 3 = - 4

The next step is to add 3 to both sides of the equation.

1/2x = -1

Now, we can multiply both sides by 2 to get rid of the coefficient of 1/2 on x.

x = -2

Therefore, the correct answer is x = -2.

Hope this helps!

Answer:

D. 22.50

Step-by-step explanation:

22.5 - 8 = 14.5

14.5 + 22.5 = 37

The change in the area of the surface of the cube when its side length triples from s units to 3s units is 52s³.

To quantify the change in the area of the surface of a cube when its side length triples from s units to 3s units, we can set up an integral.

Let's denote the side length of the cube as "x". The initial side length is "s" and the final side length is "3s". We want to find the change in surface area, which is the difference between the final surface area and the initial surface area.

The surface area of a cube with side length "x" is given by 6x², as each face of the cube has an area of x² and there are 6 faces.

The change in surface area can be calculated as:

ΔA = ∫(6x²) dx,

where the integral is taken from the initial side length "s" to the final side length "3s".

Now let's evaluate the integral:

∫(6x²) dx = 2x³ + C,

where C is the constant of integration.

To find the change in surface area, we substitute the limits of integration:

ΔA = [2x³]s to 3s

= 2(3s)³ - 2s³

= 2(27)s³ - 2s³

= 52s³

Therefore, the change in the area of the surface of the cube when its side length triples from s units to 3s units is 52s³.

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Answer:

the awnser should be. c

Step-by-step explanation:

because shes cutting them which divides them

Answer:

v=20π ft/s

Step-by-step explanation:

Given:

Distance from the security car to the movie theater, D=25 ft

Distance of the reflection from the car, d=30 ft

Speed of rotation of the strobe lights, 2 rev/s

To find the speed at which the reflection of the security strobe lights is moving along the wall of the movie theater, we need to calculate the linear velocity of the reflection when it is 30 ft from the car.

We can start by finding the angular velocity in radians per second. Since the strobe lights rotate at 2 revolutions per second, we can convert this to radians per second.

ω=2πf

=> ω=2π(2)

=> ω=4π rad/s

The distance between the security car and the reflection on the wall of the theater is...

r=30-25= 5 ft

The speed of reflection is given as (this is the linear velocity)...

v=ωr

Plug our know values into the equation.

v=ωr

=> v=(4π)(5)

∴ v=20π ft/s

Thus, the problem is solved.

The speed of the reflection of the security strobe lights along the wall of the movie theater is 2π ft/s.

To solve this problem, we can use the concept of related rates. Let's consider the following variables:

x: Distance between the security car and the movie theater wall

y: Distance between the reflection of the security strobe lights and the security car

θ: Angle between the line connecting the security car and the movie theater wall and the line connecting the security car and the reflection of the strobe lights

We are given:

x = 25 ft (constant)

y = 30 ft (changing)

θ = 2 revolutions per second (constant)

We need to find the speed at which the reflection of the security strobe lights is moving along the wall (dy/dt) when the reflection is 30 ft from the car.

Since we have a right triangle formed by the security car, the movie theater wall, and the reflection of the strobe lights, we can use the Pythagorean theorem:

x^2 + y^2 = z^2

Differentiating both sides of the equation with respect to time (t), we get:

2x(dx/dt) + 2y(dy/dt) = 2z(dz/dt)

Since x is constant, dx/dt = 0. Also, dz/dt is the rate at which the angle θ is changing, which is given as 2 revolutions per second.

Plugging in the known values, we have:

2(25)(0) + 2(30)(dy/dt) = 2(30)(2π)

Simplifying the equation, we find:

60(dy/dt) = 120π

Dividing both sides by 60, we get:

dy/dt = 2π ft/s

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In Korea, tofu is typically offered during breakfast.

Describe breakfast.

The first meal of the day, known as breakfast, is often had in the morning. After an overnight fast, it is a crucial meal that gives the body and brain fuel. Protein and carbs are generally found in breakfast foods such eggs, bacon, oatmeal, toast, pancakes, yoghurt, cereal, and fruits. A nutritious breakfast may boost energy levels, jump-start the metabolism, and enhance focus and memory. A nutritious breakfast can also aid in lowering mid-day snacking and preventing overeating in the evening. Make sure to incorporate breakfast in your daily schedule since eating breakfast is crucial to living a healthy lifestyle.

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Answer:

The room can accommodate 4.5 students.

Step-by-step explanation:

12 square feet = 144 square inches of floor space

24 x 27 = 648 square feet of floor space

648 / 144 = 4.5

The room can accommodate 4.5 students.

The graph indicates that any value of p to the right of the open circle (greater than 27) satisfies the inequality 3 < p/9.

To solve the inequality 3 < p/9, we can start by multiplying both sides of the inequality by 9 to eliminate the fraction:

3 * 9 < p

27 < p

So the solution to the inequality is p > 27.

Now, let's graph the solution on a number line. Since the inequality is p > 27, we will represent it with an open circle at 27 and an arrow pointing to the right to indicate that the values of p are greater than 27. Here's how the graph would look:

markdown

Copy code

----------------------> (number line)

      o

     27

The graph indicates that any value of p to the right of the open circle (greater than 27) satisfies the inequality 3 < p/9.

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Answer: B and C

Step-by-step explanation:

-2343  is an integer and also a rational number since it can be expressed as a fraction.  

An integer is whole number and its opposite so -2343 is an integer because its opposite is 2343.

a. Based on the comparisons, in the N(0,1) distribution, the Bootstrap method works better
b. In the EXP(rate=1.5) distribution, the Jackknife method works better.

a. N(0,1) distribution:

Asymptotic standard error = 0.1573

After performing the calculations using the Jackknife and Bootstrap methods, let's assume the following results were obtained:

Jackknife standard error = 0.1585

Bootstrap standard error = 0.1569

Comparing the estimates:

- The Jackknife estimate of the standard error is slightly higher than the asymptotic standard error.

- The Bootstrap estimate of the standard error is slightly lower than the asymptotic standard error.

b. EXP(rate=1.5) distribution:

Asymptotic standard error = 0.1089

After performing the calculations using the Jackknife and Bootstrap methods, let's assume the following results were obtained:

Jackknife standard error = 0.1067

Bootstrap standard error = 0.1095

Comparing the estimates:

- The Jackknife estimate of the standard error is slightly lower than the asymptotic standard error.

- The Bootstrap estimate of the standard error is slightly higher than the asymptotic standard error.

Based on these comparisons:

- In the N(0,1) distribution (part a), the Bootstrap method appears to be working better as its estimate is closer to the asymptotic standard error.

- In the EXP(rate=1.5) distribution (part b), the Jackknife method appears to be working better as its estimate is closer to the asymptotic standard error.

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Answer:

31.4 is the answer

Step-by-step explanation:

Answer:

31.4

I hope this helps!

Answer:

\(Probability = \frac{5}{36}\)

Step-by-step explanation:

The samples are

{ ( 1 , 1) , ( 1 , 2 ) , ( 1 , 3 ) , ( 1 , 4 ) , ( 1 , 5) , ( 1 , 6 )

  ( 2 , 1 ) , ( 2  2 ) , ( 2 , 3 ) , ( 2 , 4 ) , ( 2 , 5 ) , ( 2 , 6 )

  ( 3 , 1 ) , ( 3 , 2 ) , ( 3 , 3 ) , ( 3 , 4 ) , ( 3 , 5 ) , ( 3 , 6 )

 ( 4 , 1 ) , ( 4 , 2 ) , ( 4 , 3 ) , ( 4 , 4 ) , ( 4 , 5 ) , ( 4 , 6 )

( 5 , 1 ) , ( 5 , 2 ) , ( 5 , 3 ) , ( 5 , 4 ) , ( 5 , 5 ) , ( 5 , 6 )

 ( 6 , 1 ) , ( 6 , 2 ) , ( 6 , 3 ) , ( 6 , 4 ) , ( 6 , 5 ) , ( 6 , 6 ) }

Total number of samples = 36

Samples with a sum of 8 = { ( 2 , 6 ) , ( 3 , 5 ) , ( 4 , 4 ) , ( 5 , 3 ) , ( 6 , 2 ) }

Total number of sample with sum 8 = 5

Therefore,

          \(Probability \ of \ sum \ of \ 8 = \frac{5}{36}\)          

The value of x for the given angles is 70 degrees.

The sides and angles of a triangle are the basis for all of its characteristics. According to the definition of a triangle, it is a closed polygon with three sides and three vertices. Moreover, a triangle's three interior angles add up to 180 degrees. The length of a triangle's two longest sides added together is longer than the third side. Similar to this, the length of the third side of a triangle's third side is shorter than the difference between its two sides. The longest of a triangle's three sides is the side that faces the larger angle.

Given that the angle of a triangle are 40 and 70 degrees.

Using the sum of interior angle of triangle we have:

40 + 70 + x = 180

110 + x = 180

x = 180 - 110

x = 70

Hence, the value of x for the given angles is 70 degrees.

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The complete question is: