please help me i have asked my all my friends and they don’t know

Answer:

Square

Rectangle

Step-by-step explanation:

not a pro at shapes.

Answer:

answer for parabola is pink

If the mean weight of 4 backfield members on the football team is 211lb and the mean weight of the 7 other players is 203lb, the mean weight of the 11-person team is 206lb.

The mean refers to the average of the data value.

The mean can be computed as the quotient of the total value divided by the number of items in the data set.

The mean weight of 4 backfield members on the football team = 211lb

The total weight of the 4 backfield members = 844lb (211 x 4)

mean weight of the 7 other players on the football team = 203lb

The total weight of the 7 other players = 1,421lb (203 x 7)

The total weight of the 11 football team members = 2,265lb (844 + 1,421)

The average or mean weight of the 11 members = 205.9lb (2,265 ÷ 11)

= 206lb

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The graph is shown below:

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

Given:

h(t) = -16t² + 72

For t=-1,

h(-1) = -16 * (-1)² +72

h(-1) = -16 +72= 56

Ordered pair is ( -1, 56)

For t=1,

h(1) = -16 * (1)² +72

h(1) = -16 +72= 56

Ordered pair is ( 1, 56 )

For t=2,

h(2) = -16 * (2)² +72

h(2) = -64 +72=  8

Ordered pair is ( 2, 8 )

For t=3,

h(2) = -16 * (3)² +72

h(2) = -144 +72=  -72

Ordered pair is ( 3, -72)

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Answer: 4/5 and 5/6 are not equivalent to 2/3 because they represent different fractions. 4/5 represents 4 parts out of 5 total parts, while 5/6 represents 5 parts out of 6 total parts. 2/3 represents 2 parts out of 3 total parts. To check if two fractions are equivalent, you need to see if they simplify to the same fraction. For example, 4/5 simplifies to 8/10 and 5/6 simplifies to 5/6, but neither of them simplifies to 2/3. Hence, 4/5 and 5/6 are not equivalent to 2/3.

Step-by-step explanation:

Answer:

8x + 23

Step-by-step explanation:

-7(x-5) - 3(4-5x)

= -7x + 35 - 12 + 15x

= 8x + 23

Answer:

8x+23

Step-by-step explanation:

First let's distribute the terms

-7(x-5) =-7x+35

3(4-5x)=12-15x

now that the terms are distributed we can begin to further simplify

-7x+35-(12-15x)

combine like terms

-7x+15x +35-12

8x+23

There is your answer

Answer:

46,288

Step-by-step explanation:

40,000 + 6,000 + 200 + 80 + 8

46,288

Hope this helps :D

Answer:

A. left parenthesis 3 comma 2 right parenthesis

Step-by-step explanation:

It's correct 100%

The derivative of the function f(x) = ln(x^10) + 3ln(x) is f'(x) = 10/x + 3/x. To find the derivative of the given function f(x) = ln(x^10) + 3ln(x), we need to apply the rules of logarithmic differentiation.

Let's break down the function into its individual terms and differentiate them one by one:

Term 1: ln(x^10)

To differentiate this term, we use the chain rule. The derivative of ln(x) is 1/x, and when applying the chain rule, we multiply it by the derivative of the exponent. In this case, the exponent is 10, so the derivative becomes 10/x.

Term 2: 3ln(x)

Similarly, we apply the chain rule here. The derivative of ln(x) is 1/x, and multiplying it by the coefficient 3 gives us 3/x.

Now, we can combine the derivatives of both terms to get the derivative of the entire function:

f'(x) = 10/x + 3/x

Simplifying further, we can combine the terms with the same denominator:

f'(x) = (10 + 3)/x

f'(x) = 13/x

The derivative of the function f(x) = ln(x^10) + 3ln(x) is f'(x) = 13/x. This represents the rate of change of f(x) with respect to x. The derivative tells us how the function's value changes as x varies, and in this case, it shows that the function has a decreasing rate of change as x increases.

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Answer:

It's quite easy

Step-by-step explanation:

people less than 30 years = frequency of people 0 to 15 + 15 to 30 = 8+15 =23

Therefore there are 23 people less than 30 years old.

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Answer:

1) x/2 + 1
2) x/2 + 1
3) x/2 + 1

Step-by-step explanation:

1) (2x * 1/4) = (2 * 1/4 * x) = (1/2 * x) = (x/2)
(4 * 1/4) = (4/4) = (1)
(x/2) + (1) = (x/2 + 1)

2) (1/6 * 3 * x) = (3/6 * x) = (1/2 * x) = (x/2)
(1/6 * 6) = (6/6) = (1)

(x/2) + (1) = (x/2 + 1)

3) (1/4 * x) = (3/12 * x) = (3x/12)
(3x/12) + (3x/12) = (6x/12) = (1/2 * x) = (x/2)
(9 - 8) = 1
(x/2) + (1) = (x/2 + 1)

The expanded form of the expressions is 2x + 1 and x/2 + 1

Given the expression 1/4(2x + 4)

Expand the expression

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

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

For the expression 1/6(3x + 6)

1/6(3x + 6) = 1/6(3x) + 1/6(6)

1/6(3x + 6) = x/2 + 1

For the expression 1/4 x + 9 + 3/12 x - 8

Simplify the expression

1/4 x + 1/4x + 9 - 8

2/4 x  + 1

1/2 x + 1

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We randomly take a card, if it is not a, then the probability that it is b, is 1/4.

We have to find the the probability that it is a card of b, if it is not a.

We have total number of cards = 20

The cards of a = 10

The cards of b = 5

The cards of c = 5

We don't select the card a, then;

The probability of choosing card b = The total number of card b/total number of cards

The probability of choosing card b = 5/20

The probability of choosing card b = 1/4

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The moment of inertia of the regulation table tennis ball about an axis that passes through its center is 2.7 x 10^-7 kgm².

The moment of inertia of a sphere is given by the equation:

I = 2/5 mr²,

where m is the mass and r is the radius of the sphere.

A regulation table tennis ball is a thin spherical shell 40 mm in diameter with a mass of 2.7 g.

Therefore, its radius is r = 20 mm = 0.02 m.

Using the equation, we can calculate the moment of inertia of the table tennis ball about an axis that passes through its center as follows:

I = (2/5)(0.0027 kg)(0.02 m)²

 = 2.7 x 10^-7 kgm²

Therefore, the moment of inertia of the regulation table tennis ball about an axis that passes through its center is 2.7 x 10^-7 kgm².

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The variance of a sample or a population cannot be negative. This means that option c, negative, is the correct answer.

Variance is a statistical measure that quantifies the dispersion or spread of data points around the mean. It tells us how much the individual data points deviate from the average. The variance is always a non-negative value because it is calculated by summing the squared differences between each data point and the mean, divided by the total number of data points.
If the variance were negative, it would imply that the sum of the squared differences between each data point and the mean is less than zero. However, this is not possible because squared differences are always positive or zero.
On the other hand, options a, zero, and d, less than 1, are incorrect. The variance can be zero if all the data points in the sample or population are the same, indicating no dispersion. Additionally, the variance can be any positive value, including values less than 1.
To summarize, the variance of a sample or a population cannot be negative, making option c, negative, the correct answer.

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Answer:

The answer is A

Step-by-step explanation:

Just pin point each coordinate in order and connect the dots, you will get line A

Answer:

6.3×10^6

Step-by-step explanation:

6.3×10^6

in standard form

\(x^2 +16x +13 =0\\\\\implies x^2 + 2 \cdot 8 \cdot x + 8^2 -8^2 +13 =0\\\\\implies (x+8)^2 -64 +13 =0\\\\\implies (x+8)^2 -51 =0\\\\\implies (x+8)^2 =51\)

The length of side B'C' is approximately 3.25 units.

To find the length of side B'C' in the dilated triangle, we need to determine the distance between the points B' and C'.

First, let's find the coordinates of B' and C' after the dilation. Since the dilation is about the origin and the scale factor is 1/2, we can multiply the x-coordinates and y-coordinates of B and C by 1/2.

Coordinates of B' = (2.5 * 1/2, 3 * 1/2) = (1.25, 1.5)

Coordinates of C' = (0 * 1/2, -3 * 1/2) = (0, -1.5)

Now we can calculate the distance between B' and C' using the distance formula:

Distance = sqrt((x2 - x1)^2 + (y2 - y1)^2)

= sqrt((1.25 - 0)^2 + (1.5 - (-1.5))^2)

= sqrt(1.25^2 + 3^2)

= sqrt(1.5625 + 9)

= sqrt(10.5625)

≈ 3.25

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Answer:

Step-by-step explanation:

awnser is a

In a genogram, various symbols and lines represent different aspects of a person's familial relationships and attributes. Here's a breakdown of the symbols you mentioned:

1. Square: A square in a genogram indicates a male individual. It represents the person's gender and is used to distinguish between male and female family members.

2. Circle: A circle in a genogram indicates a female individual. It represents the person's gender and is used to distinguish between male and female family members.

3. Solid horizontal line: A solid horizontal line in a genogram represents a marital relationship between two individuals. The line connects a square (male) and a circle (female) to show that they are married or in a committed partnership.

4. Broken line: A broken line in a genogram represents a non-blood relationship, such as an adoptive parent-child relationship or a step-sibling connection. It is used to show relationships that are not based on biological ties.

5. X through a square/circle: An X through a square or a circle indicates that the individual is deceased. This symbol is used to show that the person has passed away and is no longer living.

6. Solid vertical line: A solid vertical line in a genogram represents a parent-child relationship. It connects an individual (either a square or circle) to their parent(s), showing the biological connection between the family members.

These symbols and lines help provide a visual representation of a person's family history and relationships, making it easier to analyze and understand the various connections within a family tree.

Overall, a genogram is a visual representation of a family tree that includes important information about relationships, health issues, and other relevant details. By understanding the various symbols and indicators used in a genogram, it is possible to gain a deeper understanding of family dynamics and relationships, as well as potential risk factors for various health conditions. As such, genograms are an important tool for healthcare providers, therapists, and other professionals working with individuals and families.

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Answer:

70, 84, and 116

Step-by-step explanation:

(x) + (x + 14) + (2x - 24) + 90 = 360

4x - 10 + 90 = 360

4x = 280

x = 70

x + 14 = 84

2x - 24 = 116

Answer: C

Step-by-step explanation:

IT is dividing by 6

The value of x in the given diagram of two similar triangle is  9 units.

Let us consider the name of two triangles be ABC and PQR.

Such that,

In triangle ABC,

AB = 12 , BC = 54 , m∠BAC = 90° and marked angle  is ∠ABC .

In triangle PQR,

PQ = 2 , QR = x, m∠QPR = 90° and marked angle  is ∠PQR .

In triangle ABC and PQR we have,

m∠BAC = 90° = m∠QPR

m∠ABC = m∠PQR  (given )

By AA corollary,

Triangle ABC is similar to triangle PQR with correspondence ABC ↔ PQR.

Corresponding sides of the similar triangle are in proportion.

AB / PQ = BC / QR

⇒ 12 / 2 = 54 / x

⇒ 12x  = 54 × 2

⇒ x = ( 54 × 2 ) / 12

⇒ x = 9

Therefore, the value of x in the given triangle is equal to 9 units.

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Answer:

No

Step-by-step explanation:

5/6 - 3/4

20 - 12 = 8

_____ __

24 24

Cancelling out, we have

=>1/3

She does not have enough cup of flour. She needs 1/3 more to be able to make the recipe.

Hope it helps

When a range of values is used to estimate a population parameter, it is called an interval estimate. The correct answer is option D.

An interval estimation is the evaluation of a parameter of a population by computing an interval, or range of values, within which the parameter is most likely to be located. An interval estimate gives you a range of values where the parameter is expected to lie. In other words, an interval estimate is a range in which the population parameter probably falls for a given level of confidence. We have to establish a level of confidence because we can never be 100 percent sure that the population mean falls within our confidence interval. A confidence interval is the most common type of interval estimate.

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To convert the given infix expression a+bc/2 - (ac - 3/b) into postfix notation, we will use a stack to store and manage operators. Here's the step-by-step process:

1. Start scanning the expression from left to right.
2. If an operand (a, b, c, 2, or 3) is encountered, append it to the output.
3. If an operator (+, -, *, or /) is encountered, push it onto the stack if it's empty or if the operator at the top of the stack has a lower precedence. Otherwise, pop operators from the stack and append them to the output until the stack is empty or the operator at the top of the stack has a lower precedence. Then, push the current operator onto the stack.
4. If an open parenthesis '(' is encountered, push it onto the stack.
5. If a close parenthesis ')' is encountered, pop operators from the stack and append them to the output until an open parenthesis '(' is encountered. Pop the open parenthesis but do not append it to the output.
6. After scanning the entire expression, if there are still operators in the stack, pop them and append them to the output.

Applying these rules, we get the following postfix expression:

a b c * 2 / + a c * 3 b / - -

Here's the evolution of the stack during each step:

1. Push '+'
2. Push '*', pop '+' (higher precedence), push '+'
3. Push '/'
4. Pop '*', pop '/', push '-'
5. Push '*', pop '-' (higher precedence), push '-'
6. Push '/'
7. Pop '*', pop '/', pop '+', pop '-'

The resulting postfix expression is: a b c * 2 / + a c * 3 b / - -

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To measure the length of a 2.00 cm object to under 1% relative uncertainty, it may not be possible to do it with a standard ruler using precision alone.

This is because the smallest graduation on a standard ruler is typically around 0.1 cm, which is a relative uncertainty of 5% for a 2.00 cm object. To achieve under 1% relative uncertainty, you would need a more precise measuring instrument such as a caliper or a micrometer. These instruments have smaller graduations and can measure to greater precision.

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Answer: I think its y = x - 2

Step-by-step explanation:

-8 to -2 is a positive increase of 6

-10 to -4 is a positive increase of 6

rise/run    

6/6  = 1/1

so the slope is x

then the y-intercept is given

Answer:

C: Y=x-2

Step-by-step explanation:

Slope intercept form is y=Mx+b

M is slope and b is y intercept

To find slope we use y2-y1/x2-x1

5-1/7-3

4/4

1 is the slope

To find the y intercept we look at when x is zero on the table and y is -2 so now we can make an equation

y=x-2

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The percentage of the total sum of the squares that can be accounted for by the estimation of regression is 51.3% when it is taken in three decimal points by the regression equation.

The regression equation is used to find one variable from another known variable. There are two types to find the regression equation they are:

1. Regression equation by using simultaneous equation 2. Regression line

The regression equation can be found by the be calculated by the sums of squares by the the sample of correlation coefficient that is 0.716. The amount of variation is taken by the total variation that is interpreted and is denoted by 'r', the sum of squares can be calculated by 1-SSE/ SST=(SST/SST = SSR/SST. When it comes to the product volume then the percentage is 93.64% where it also includes the product cost and variable cost of the product.

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required equation is, y=3x-37.

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line.

Here, given that,

we have to find,

the equation of a line that passes through the point (7,-16) with slope 3.

we know,

y = mx+c

i.e. -16 = 3*7+c

so, c= -37

hence, required equation is, y=3x-37.

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