PLEASE HELP FAST!!!!! ILL MARK BRAINLIEST!!!!!

Brigit earns $10 per hour for bagging groceries at a grocery store and $8 per hour for
babysitting. She wants to earn at least $80 this week. The linear inequality shown in the
graph represents this situation, where x is the number of hours she works at the grocery
store and y is the number of hours she babysits. Which ordered pair is a solution of the
linear inequality?
Weekly Earnings of
at Least $80
10
8
6
Time Babysitting (W
4
X
2
6
8
10
4
Time Worked at
Grocery Store (h)
O (2,7)
O (3,6)
O (8,3)
(6,2)

-The polynomial has 5 terms.

-The leading coefficient is -2.

-The degree of the polynomial is 7.

-The constant term is 4.

Step-by-step explanation:

A polynomial is an expression which has many terms. Each term is separated by addition or subtraction. The standard form of a polynomial is and is written in descending order by exponent. The highest exponent is known as the degree of the polynomial. The leading term at the beginning has a leading coefficient.

Using the information above, select what applies for -2xy^5+3x^7-10x^3y^6+8x^6+4.

-The polynomial has 5 terms.

-The leading coefficient is -2.

-The degree of the polynomial is 7.

-The constant term is 4.

-The polynomial is in decreasing degree order.

a. The velocity vector is given by vˉ = -2sin(2t) y^ + 2sin(t) z^. The speed is Speed = 2√(sin^2(2t) + sin^2(t)).

b. The acceleration vector is aˉ = -4cos(2t) y^ + 2cos(t) z^.

Let us discuss in a detailed way:

a. The velocity vector can be obtained by differentiating the position vector with respect to time:

vˉ = d/dt (rˉ)

  = d/dt (cos(2t) y^) - d/dt (2cos(t) z^)

  = -2sin(2t) y^ + 2sin(t) z^

The speed, which is the magnitude of the velocity vector, can be calculated as follows:

Speed = |vˉ|

        = √((-2sin(2t))^2 + (2sin(t))^2)

        = √(4sin^2(2t) + 4sin^2(t))

        = 2√(sin^2(2t) + sin^2(t))

b. The acceleration vector can be obtained by differentiating the velocity vector with respect to time:

aˉ = d/dt (vˉ)

  = d/dt (-2sin(2t) y^) + d/dt (2sin(t) z^)

  = -4cos(2t) y^ + 2cos(t) z^

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The surface area of a triangular prism is 288 square inches. If the triangle base is 8 inches, each rectangular face will be 8 inches broad and 10 inches long. The height of the triangular prism is 16 inches.

To find the height of the triangular prism, we need to use the formula for the surface area of a triangular prism:

Surface Area = 2(Area of the rectangular face) + (Perimeter of the base) x (Height)

We know that the rectangular face has a width of 8 inches and a length of 10 inches, so its area is:

Area of the rectangular face = 8 x 10 = 80 square inches

We also know that the surface area of the triangular prism is 288 square inches. Substituting these values into the formula, we get:

288 = 2(80) + (Perimeter of the base) x (Height)

Simplifying this equation, we get:

288 = 160 + 8(Height)

128 = 8(Height)

Height = 16 inches

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A. For Dataset 401K in Wooldridge, the data can be found in the "wooldridge" package. The variable in question is "prate" (participation rate) and "mrate" (matching rate).

The definitions of these variables can be obtained from the package documentation or by typing "?401K" in the R console.

B. To estimate the relationship between "prate" and "mrate" using simple linear regression, we can use the formula: mrate = B0 + B1 * prate. The estimated simple regression function would provide the values for the intercept (B0) and the slope coefficient (B1).

C. The slope coefficient in the simple linear regression model represents the change in the dependent variable (mrate) associated with a one-unit change in the independent variable (prate). In this case, the slope coefficient would indicate the change in the matching rate for each unit increase in the participation rate.

D. To determine if the coefficients are significant, we need to check their p-values. If the p-value is below a chosen significance level (e.g., 0.05), we can conclude that the coefficient is statistically significant. This indicates that the coefficient is unlikely to be zero, suggesting a meaningful relationship between the variables.

E. The R-squared (R²) value represents the proportion of variance in the dependent variable (mrate) that is explained by the independent variable (prate). It indicates the goodness of fit of the regression model. The R-squared value ranges from 0 to 1, with a higher value indicating a better fit and a larger percentage of variance explained by the independent variable.

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The value should be reported as follows:

25.1 ± 0.1

In this case, the value has been rounded to the same decimal place as the uncertainty, which is the first decimal place. The uncertainty is rounded to one significant figure to reflect the precision of the measurement. The value is reported with one decimal place, which is the same as the uncertainty, to maintain consistency.

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Despite being aware of his impending death, John Steinbeck was engaged in a project to build a house.

During the final stages of his life, John Steinbeck, the renowned American author, was involved in a project to build a house. Despite the knowledge of his terminal condition, he focused his efforts on this endeavor. The act of building a house can be seen as a significant undertaking that requires planning, coordination, and dedication.

While specific details about the house project are not provided, it can be inferred that Steinbeck's involvement in this venture reflected his enduring spirit and determination, even in the face of his impending mortality. Building a house is a symbol of creation, stability, and leaving a lasting legacy. It is a testament to Steinbeck's unwavering passion for life and his commitment to pursue meaningful endeavors until the very end.

Although Steinbeck's literary contributions are widely celebrated, his engagement in the house-building project during his final days showcases his multidimensional nature and his desire to leave a tangible mark on the world. It serves as a reminder of the resilience of the human spirit and the power of pursuing personal projects and dreams, even in challenging circumstances.

In conclusion, despite being aware of his impending death, John Steinbeck dedicated his time and energy to a project of building a house, showcasing his determination and commitment to leaving a lasting legacy.

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Answer: Yes they both pass through the point

Answer:

11.502

Step-by-step explanation:

Answer:   (x,y) = (-6, -4)

Reason:

The two lines intersect at this point. In other words, this point is on both lines simultaneously. So it makes both equations true.

Answer:

X=5, Y=66⁰

Step-by-step explanation:

+, The parallelogram has 2 symmetrical sides equal each other => 6X-3=27 <=>X=5

+, the sum of 2 inner-sided angles =180⁰

=> Y+114=180⁰

<=> Y= 66⁰

In the equation y = $7.20x + $790, "y" represents the total cost. An equation is a mathematical statement that shows the relationship between two or more variables. In this equation, there are two variables - "x" and "y". The variable "x" represents the number of units produced or sold, while "y" represents the total cost.

The coefficient of "x" in the equation, which is 7.20, represents the variable cost per unit. This means that for each unit produced or sold, there is an additional cost of $7.20. The constant term, which is $790, represents the total fixed costs. Fixed costs are those costs that do not vary with the number of units produced or sold.To find the total cost of producing or selling a certain number of units, we can plug in the value of "x" into the equation and solve for "y". For example, if we want to find the total cost of producing 100 units, we can substitute x=100 into the equation:
y = $7.20(100) + $790
y = $720 + $790
y = $1510
Therefore, the total cost of producing 100 units is $1510. In summary, "y" represents the total cost in the given equation, which is determined by both fixed and variable costs.
In the equation y = $7.20x + $790, "y" represents option C: total costs. This equation has two components: "$7.20x" represents the variable costs per unit, where x is the number of units, and "$790" represents the total fixed costs. By adding these two components together, you get the total costs (y) for producing x units.

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Answer:

Follows are the solution to this question:

Step-by-step explanation:

In point a:

If the applicant's parents provide written permission and are 16 years old or older.  

Solution:  

Logical term: \(p^s\)

Through parentheses or negation, deny the whole logical expression. e.g.  

\(\to \sim p^s\)

by using the rule of DeMorgan's:  

\(\to \sim p \ v \ \sim s \\\)

The following logical expression is the English phrase:  

\(\text{The applicant not has written permission from his parents or is at most 15 years old}.\)

In point b:

A parent of the applicant has submitted approved permission or the age of 18 years or older.

Logical expression:\(p \ v \ e\)

through brackets or negation, refute the entire logical expression.  

\(\to \sim (p\ v \ e)\)

Apply DeMorgan's law:

\(\to \sim p ^ {\sim e}\)

by using the rule of DeMorgan's:  

The following logical expression is the English phrase:  

\(\text{The applicant not has written permission from his parents and is at most 17 years old}.\)

1. The official lines of authority. 2. The formal lines of communication. 3. The base level of the organization.

Organizational structure box-and-lines diagrams show at least three things:

1. The official lines of authority: These diagrams illustrate the formal hierarchy within an organization, indicating the chain of command and reporting relationships. The lines represent the flow of authority and communication, highlighting who reports to whom. For example, a manager may have multiple employees reporting to them, and those employees may further have their own subordinates.

2. The formal lines of communication: These diagrams also depict the formal channels through which information flows within the organization. They show how information is passed between different levels and departments. For instance, a diagram may show that information flows vertically from top management to lower-level employees or horizontally between departments.

3. The base level of the organization: These diagrams display the entry-level positions within the organizational structure. This helps to understand the foundational roles that exist and how they fit into the larger structure. For instance, the diagram may indicate positions such as interns, junior associates, or entry-level staff.

In summary, organizational structure box-and-lines diagrams provide a visual representation of the official lines of authority, the formal lines of communication, and the base level of the organization. These diagrams help individuals understand the hierarchy, communication flow, and entry-level positions within an organization.

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Answer:

(i)  29 : 6

(ii)  5 : 29

(iii) 6 : 5

Step-by-step explanation:

Answer:

Step-by-step explanation:

I think it’s c

Check the picture below.

Answer:

-7,-6,-1,0,5,,8,12

Answer:

\({ \sf{ \{ - 7 \: » \: - 6 \: » - 1 \: » \: 0 \: » \: 5 \: » \: 8 » 12\}}}\)

Answer:

Step-by-step explanation:

X-intercept means y-coordinate of 0:

4x +7×0 = 28

 4x = 28

   x = 7         ← x-coordinate

Y-intercept means x-coordinate of 0:

4×0 +7y = 28

 7y = 28

   y = 4         ← y-coordinate

Answer: 43

To find the sum of the value of all interior angles of a polygon, we must use the formula \(( n-2)180\), n being the number of sides in the polygon. Since this quadrilateral has for sides, we replace n with 4.

\((4-2)180\) evaluates to 360, so we can assume that the sum of all interior angles is 360 degrees, including the ones that they have given us. The sum of the measure of all other angles (25°+155°+137°) is 317°, and the remaining measurement to get to a total of 360 is ∠x. To evaluate the measure of angle x, we subtract 317 from 360 to get 343.

Answer:

The pool holds 660,000 gallons of water.

Step-by-step explanation:

63/100 = 415,800/x

cross multiply so 415,000 * 100 = 41,500,000

41,500,000 / 63 = 660,000

A function transformation takes whatever the underlying function f (x) is and "transforms" (or "equates") it, which is a fancy way of saying you alter the equation and shift the graph over. The transformations are matched accordingly.

Parent function is:

f(x) = 2x - 6

The transformations are:

shifts f(x) 4 units down

f(x) → f(x) - 4 ⇒ g(x)= 2x - 6 - 4 = 2x - 10

stretches f(x) by a factor of 4 away from the x-axis

f(x) → 4*f(x) ⇒ g(x) = 4(2x - 6) = 8x - 24

shifts f(x) 4 units right

f(x) → f(x - 4) ⇒ g(x) = 2(x - 4) - 6 = 2x - 14

compresses f(x) by a factor of toward the y-axis (must be 4)

f(x) → f(4x) ⇒ g(x) = 2*4x - 6 = 8x - 6.

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The expression of 0.973 as a ppercentage is 97.3%

Percentage refers to the amount, number or rate of something, regarded as part of a total of 100. That is, percentage is the expression of a number in terms of hundred (100).

0.973 as a percentage

0.973 is a decimal number with 3 significant figures

A decimal number is a number expressed in the decimal system (numerical system of counting in tens using decimal digits).

In order to change decimals to percentage; Multiply by 100

= 0.973 × 100

= 97.3%

Therefore 97.3% is 0.973 as a percentage.

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Answer:

8.94427191...

Step-by-step explanation:

21*21 - 19*19 = \(x^{2} \\\\\)

441 - 361 = \(x^{2}\)

\(x^{2}\) = 80

x = 8.94427191...

Based on the given information, we can conclude that tuition at Penn State has increased more rapidly than inflation.

The price index measures the average change in prices of a basket of goods and services over time. In this case, the price index increased from 207.34 in 2007 to 226 in 2012, indicating an overall inflation rate of approximately 9% over that period. On the other hand, tuition at Penn State increased from $6,142 to $7,562, representing an increase of approximately 23%.

When comparing the rates of increase, we can see that tuition has outpaced inflation. This implies that the cost of education at Penn State has been rising more rapidly than the general increase in prices for goods and services. It suggests that factors specific to the education industry, such as rising costs of resources, facilities, and personnel, have contributed to the higher tuition rates.

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The complete question is:

Assume tuition at Penn State cost $6,142 (per semester) in 2007 and $7,562 in 2012. If the price index was 207.34 in 2007 and 226 in 2012, then we could say:

Answer: THE ANSWER IS 24 BC                                                                                               Step-by-step explanation: CUZ THIS IS POINT OF A, B THIS IS LOCATED AT POINT C?

Step-by-step explanation:

look at the graph !

there is an explicit horizontal limit line at y = -1.

no such vertical line for a limit for x.

as usual for exponential functions, f(x) grows rapidly, but is still valid for all x of R.

so, D is the right answer.

when x gets more and more to the left, f(x) grows and grows strongly, and goes to infinity.

when x gets more and more to the right, f(x) gets closer and closer to -1 (but will never reach it, only at infinity ...).

Answer:

52%

Step-by-step explanation:

What is the percent of change from 74 to 35 rounded to the nearest percent

Step one:

given data

initial value=74

final value= 35

Required

Percent change

Step two:

Percent change= 74-35/74*100

Percent change=39/74*100

Percent change= 0.52*100

Percent change= 52%

Answer:

X>8-3

X>5

So choose the third one

Step-by-step explanation:

Answer:

x-8>-3

x>-3+8

x>5

because in 2 step + - = - but the sign should use of greater number so in last step the value of 5 is + .

Answer:

4.5

Step-by-step explanation:

Simplifying the denominator 1/3 +1 we get 4/3 (By taking L.C.M).

Then divinding (9-3) by 4/3.

9-3 = 6

6/(4/3) = 6×3 /4 = 9/2 =4.5.

Hence, answer is 4.5

The value of 9-3 divided by 1/3 + 1  is 4.5. Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement.

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows :The following is the structure of an expression: Expression: (Number/Variable, Math Operator, Math Operator)

In the mathematics curriculum and in mathematics in general, algebraic expressions are crucial. Students must be proficient in computations and the manipulation of algebraic expressions in order to advance and do well in mathematics. They must also be able to understand and write expressions.

Arithmetic operations are the most fundamental type of mathematical expression. Any combination of numbers and a mathematical operation, such as multiplication, addition, subtraction, or division, are considered arithmetic operations.

Given,

9-3 divided by 1/3 + 1  by simplifying,

= 4.5

Therefore , The value of 9-3 divided by 1/3 + 1  is 4.5.

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