HElp pls will give brainlest

Pythagorean theorem tells us how the side lengths of right triangles are related.

The Pythagorean theorem, also known as the Pythagorean identity, states that the sum of the squares of the lengths of the two sides forming the right angle is equal to the square of the length of the hypotenuse in any right triangle (the side opposite the right angle). In other words, the Pythagorean theorem can be used to calculate the length of the hypotenuse given the lengths of the two sides of a right triangle.

This relationship can be written as the equation:

\(a^2 + b^2 = c^2\)

where a and b are the lengths of the legs, and c is the length of the hypotenuse. The Pythagorean Theorem is named after the ancient Greek mathematician Pythagoras, who is credited with its discovery.

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100-15=85%=SP

\(\\ \sf\longmapsto 85\%\times x=20000\)

\(\\ \sf\longmapsto \dfrac{85}{100}x=20000\)

\(\\ \sf\longmapsto x=20000\times \dfrac{100}{85}\)

\(\\ \sf\longmapsto x=235.2(100)\)

\(\\ \sf\longmapsto CP=23520\)

100-10=90%=SP

\(\\ \sf\longmapsto 90\%\times x=450\)

\(\\ \sf\longmapsto \dfrac{90}{100}x=450\)

\(\\ \sf\longmapsto x=450\times \dfrac{100}{90}\)

\(\\ \sf\longmapsto x=5(100)\)

\(\\ \sf\longmapsto CP=500\)

Answer: 3

Step-by-step explanation:

The number of getting the black hair color clients will be 4.

Probability is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

Probability = Number of favorable outcomes / Number of samples

Given the of the clients who had their hair cut at Tanner's salon last month, 4 clients had black hair and 12 clients had hair in other colors.

The probability is:-

P = 4 / 12

The number of clients having black color hair is calculated as:-

Number = ( 4 / 12 ) x 12

Number =  4

Therefore, there will be 4 people getting black hair colors.

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The volume of a solid figure with a height of 2 and a square cross-sectional area where the length of the side of a cross-section is x is 2x^2.

To calculate the volume of the solid figure with a height of 2 and a square cross-sectional area, we need to know the length of the side of the cross-section. Let's assume that the length of the side is x.
The cross-sectional area of the figure is the area of the square, which is x^2. The volume of the figure is the product of the cross-sectional area and the height, which is 2x^2.
Therefore, the volume of the solid figure is 2x^2.
It's important to note that the volume of a solid figure is directly proportional to its cross-sectional area. This means that if we increase the cross-sectional area by a factor of 2, the volume will also increase by a factor of 2. This relationship is because the cross-sectional area determines how much material there is to fill up the space. The larger the cross-sectional area, the more material is needed to fill up the same height, resulting in a larger volume.
In conclusion, the volume of a solid figure with a height of 2 and a square cross-sectional area where the length of the side of a cross-section is x is 2x^2.

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Answer:

9876540

Step-by-step explanation:

it’s the biggest number because it has the numbers in order from least to greatest! Please tell me if you need help with another question similar to this I will help you.

Answer:

9876540

Step-by-step explanation:

saying the digit number you count the big number

Based on the formula of the quadratic function y=-x^2+6x-5, we know that its graph is a downward-facing parabola that opens wide, with a vertex at (3,-14), and an axis of symmetry at x=3.

Based on the formula of the quadratic function y=-x^2+6x-5, we can determine several properties of its graph, including its shape, vertex, and axis of symmetry.

First, the negative coefficient of the x-squared term (-1) tells us that the graph will be a downward-facing parabola. The leading coefficient also tells us whether the parabola is narrow or wide. Since the coefficient is -1, the parabola will be wide.

Next, we can find the vertex using the formula:

Vertex = (-b/2a, f(-b/2a))

where a is the coefficient of the x-squared term, b is the coefficient of the x term, and f(x) is the quadratic function. Plugging in the values for our function, we get:

Vertex = (-b/2a, f(-b/2a))

= (-6/(2*-1), f(6/(2*-1)))

= (3, -14)

So the vertex of the parabola is at the point (3,-14).

Finally, we know that the axis of symmetry is a vertical line passing through the vertex. In this case, it is the line x=3.

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The expected value was already calculated as:

The expected value is the mean value you would get per try.

Since we played 623, the expected value is 623 times the expected valu for a single play, so:

So, the expected value after playing 623 times is to -$2012.29, that is, lose $2012.29.

Answer:

y = -5x + 2

Step-by-step explanation:

hope this helps :)

Answer:

Step-by-step explanation:

5x+y=2

-5x

y= 2 - 5x

Hope this helps!!!

Can I have brainly please :)

Answer: 1.571 inches

Step-by-step explanation:

The formula for a circumference of a circle is C = 2πr, where r is the radius of the circle. The radius is half of the diameter. We know that the diameter is 1/2 of an inch, so the radius is 1/4 of an inch.

So, plug 1/4 for r to get C = 2π(1/4) or approximately 1.571 inches.

Answer:

p = 22/5

Step-by-step explanation:

50p+5=225

Subtract 5 from each side

50p+5-5=225-5

50p = 220

Divide by 50

50p/50 = 220/50

p = 22/5

Answer:

50p+5=225

(50p+5) + (-5) =225 + (-5)

50p + 5 - 5 = 225 - 5

50p = 220

(fraction: 50p/50 = fraction: 220/50)

Sorry but you need to finish it because i cant do exponits sorry...

The probability of at least one of your 10 lottery tickets being a winner is approximately 0.638 or 63.8%.

The probability of winning on a single lottery ticket is 1/8, which means that the probability of not winning is 7/8. If you buy 10 of these lottery tickets, the probability of not winning on any of them is:

(7/8)^10 = 0.362

This means that there is a 36.2% chance that none of your tickets will be a winner. To find the probability that at least one of your tickets will be a winner, we can use the complementary probability:

P(at least one winner) = 1 - P(no winners)

P(at least one winner) = 1 - 0.362

P(at least one winner) = 0.638

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The substitution that should be used to rewrite 6(x+5)^2 + 5(x+5) - 4 = 0 is u = x + 5

These are equations that has a leading degree of 2. Given the expression

6(x+5)^2 + 5(x+5) - 4 = 0

In order to simplify this equation, we will replace the reoccuring term by a variable.

From the equation we can see that (x+5) is occuring the most. Let u = x + 5 so that:

6u^2 - 5u - 4 = 0

Hence the substitution that should be used to rewrite 6(x+5)^2 + 5(x+5) - 4 = 0 is u = x + 5

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Answer:

option D; 20/3 OR 6 2/3

Step-by-step explanation:

CONVERT THE HOURS INTO MINUTES;

3/4 × 60 = 45 mins

1hour = 60 mins

45 mins = 5 miles

60 mins = ??

cross multiply;

60 by 5 ÷ 45 to get 20/3.

Answer:

14

Step-by-step explanation:

7 times 2 = 14

Answer:

The ordered pair for point A is (-2, 0). For point B, move to the right 4 units to get an x-coordinate of 4, then move down 3 units to get a y-coordinate of -3. The ordered pair for point B is (4, -3). For point C, move to the right 3 units to get an x-coordinate of 3, then move up 5 units to get a y-coordinate of 5.

Step-by-step explanation:

hope this helps

Answer:

(-2, -3)

Step-by-step explanation:

Answer:

-19

Step-by-step explanation:

Input -6 for n and solve: 3(-6)-1

Answer:

-19

Step-by-step explanation:

3 (-6) - 1 = -19

the answer is 37%

: 16500*37%= 6150

6150+16500=22605 :correct

There are 97 people who rent umbrellas.


Step 1: Find the number of people who rent only chairs.
Since there are 72 people who rent both chairs and umbrellas, there must be 125 - 72 = 53 people who rent only chairs.

Step 2: Find the total number of people who rent only chairs or only umbrellas.
Since there are 150 customers in total, there must be 150 - 72 = 78 people who rent either only chairs or only umbrellas.

Step 3: Find the number of people who rent only umbrellas.
Since we know that 53 people rent only chairs from Step 1, there must be 78 - 53 = 25 people who rent only umbrellas.

Step 4: Find the total number of people who rent umbrellas.
Since there are 72 people who rent both chairs and umbrellas and 25 people who rent only umbrellas, there are 72 + 25 = 97 people who rent umbrellas.

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Part 1:

For the differential equation: dy/dx = e^(-x) - 3x^(-2)

Part A: Find a general solution.

To find the general solution, we can integrate both sides of the equation with respect to x:

∫dy = ∫(e^(-x) - 3x^(-2)) dx

Integrating each term separately:

y = ∫e^(-x) dx - 3∫x^(-2) dx

Using the rules of integration, we have:

y = -e^(-x) + 3x^(-1) + C

where C is the constant of integration.

Therefore, the general solution to the differential equation is:

y = -e^(-x) + 3x^(-1) + C

Part B: Verify the solution.

To verify the solution, we can differentiate y with respect to x and see if it satisfies the original differential equation.

Taking the derivative of y:

dy/dx = d/dx(-e^(-x) + 3x^(-1) + C)

= e^(-x) + 3(-1)x^(-2)

= e^(-x) - 3x^(-2)

We can see that the derivative of y is equal to e^(-x) - 3x^(-2), which matches the right-hand side of the original differential equation. Therefore, our solution is verified.

Part 2:

Consider the differential equation: dy/dx = x^2(y-1)

Part A: List five coordinates and the corresponding slope of their segments.

To sketch a slope field, we can choose five points within the specified domain and range and calculate the slope at each point. Let's choose the following points:

(−3, −3): The slope at this point is dy/dx = (-3)^2(-3-1) = 48

(−1, 2): The slope at this point is dy/dx = (-1)^2(2-1) = 1

(0, 1): The slope at this point is dy/dx = (0)^2(1-1) = 0

(2, −2): The slope at this point is dy/dx = (2)^2(-2-1) = -12

(3, 3): The slope at this point is dy/dx = (3)^2(3-1) = 18

Part B: Using the slope field that you drew, describe all points in the xy-plane for which the slopes are negative.

From the slope field, we can observe that the slopes are negative in the following regions:

For x < 0 and y > 1, the slopes are negative.

For x > 0 and y < 1, the slopes are negative.

These regions indicate the areas where the solution curve would have a negative slope at each point in the xy-plane.

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The term utilized to make inferences about certain population parameters is a) samples.

In statistical analysis, samples are a subset of a larger population that are selected for observation and analysis. By studying the sample, statisticians can make inferences about the larger population from which it was drawn. This allows for predictions to be made about the entire population, based on information gathered from a smaller subset.

Equations and metrics are important in statistical analysis, but they are not used to make inferences about population parameters. Equations are used to model relationships between variables and to test hypotheses, while metrics are used to quantify the properties of data sets.

Statistics, on the other hand, is the branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of data. Statistics is used to make sense of data and to draw conclusions about the larger population from which the sample was drawn.

In summary, samples are an important tool for statisticians to make inferences about certain population parameters, and statistics is the field that studies these methods of data analysis.

Therefore, the correct answer is a) samples.

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The given probability of having six girls in a six-child family is 0.015625. To determine the method used to compute this probability, we need to analyze the information provided.

The Classical method is based on theoretical assumptions and probabilities calculated using mathematical principles. It assumes equally likely outcomes and relies on counting favorable outcomes over the total number of possible outcomes.

The Empirical method involves gathering data from observations or experiments to estimate probabilities. It relies on observed frequencies and relative frequencies to compute probabilities. However, the given probability does not suggest a sample or data collection, making it unlikely that the Empirical method was used.

The Subjective method involves assigning probabilities based on personal judgment or opinions. Individuals subjectively evaluate the likelihood of an event based on their own beliefs or knowledge.

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Answer:

Step-by-step explanation:

Answer:

2/15

Step-by-step explanation:

Answer:

105,600

Step-by-step explanation:

80% of 132,000 is 105,600, therefore this is how much the insurance will cover

Answer:

-2x - 2y

Step-by-step explanation:

I am not sure what this is asking so here we go...

3(x + y ) - 5(x + y)

3x + 3y - 5x - 5y

-2x - 2y

By using the concept of Pythagoras Theorem, the result obtained is

Distance between their tops is 13 ft.

What is Pythagoras Theorem?

Pythagoras Theorem states that in a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of perpendicular and base.

The figure has been attached

Let the poles be represented by CD and AE and let AC represents the distance between their tops

Construction

A line from C parallel to DE (shown by a dotted line) is drawn

CD = 10 ft.

AE = 15 ft.

BE = 10 ft.

AB = AE - BE

     = 15 - 10

     = 5 ft.

DE = 12 ft.

BC = 12 ft.

\(\angle AED = 90^{\circ}\) [ Angle between pole and ground is 90°]

\(\angle ABC = 90^{\circ}\) [ Corrosponding angles are equal]

By Pythagoras Theorem,

\(AC^2 = AB^2+BC^2\\AC^2 = 5^2 + 12^2\\AC^2 = 25 + 144\\AC^2 = 169\\AC =\sqrt{169}\\\)

AC = 13 ft.

Distance between their tops is 13 ft.

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The correct option is 1, A conclusion that a linear model between the variable and age is appropriate is supported by the plot A only.

A mathematical representation of a linear connection between a dependent variable and one or more independent variables is called a linear model. It is presumptive that the variables have a linear connection, which means that when the independent variable varies, the dependent variable changes at a fixed pace.

Y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope of the line, and b is the y-intercept, is the most basic form of a linear model. The y-intercept of the line reflects the value of the dependent variable when the independent variable is equal to zero, while the slope of the line shows the rate of change of the dependent variable with respect to the independent variable.

Linear models are widely used in many fields, including statistics, economics, engineering, and physics, to analyze and predict the behavior of systems that exhibit a linear relationship between variables. They can be used for simple predictions or as a building block for more complex models.

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Complete Question:-

A researcher studying koi fish collected data on three variables, A, B, and C. The following residual plots show the residual for a model for predicting each variable from the age of the fish.

A conclusion that a linear model between the variable and age is appropriate is supported by which plot or plots?

1.)A Only

2.)B Only

3.)C Only

4.)A and C only

5.)B and C only