can anyone help me i need my grade up bye tommorow in math pls help!!!!!!!!!!!!!!!!!!!!!!!

The total surface area of the given prism would be = 504

The formula that can be used to calculate the total surface area of a square prism = 2a² + 4a L

where a = 7

L = 14.5

Area = 2(7²) + 4 ( 7× 14.5)

= 2×49 + 4( 101.5)

= 98 + 406

= 504

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Answer:

exact form: 69/8

mixed number form: 8 5/8

Step-by-step explanation:

                          ^

1/4 ÷ 2/5 = 5/8   |

5/8+8 = ______|

You should hire Compony b to get a better deal.

Company A charges $2. 75 per square foot

B charges $450 per room

living room which measures 12’ by 14’. Company

First we must calculate the area of the carpet. Variable A represents area.

area = length * width

length = 12

width = 14

12*14 =A

A = 168

So the area of the carpet is 168 square feet.

To find what company A will charge we will multiply the 168 by 2.75 they charge per square foot.

168*2.75 = company A

Company A charges, $462, while Company B will charge $450 for the one room.

This means Company B has the better price.

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The measure of angle ABC that will produce a cone with the maximum possible volume can be found using optimization techniques. Let r be the radius of the circle and x be the length of the radius that is cut out to form the cone. Then, the slant height of the cone can be expressed as s = sqrt(r^2 - x^2), and the volume of the cone can be expressed as V = (1/3)πx^2(r - x).To find the maximum volume, we take the derivative of V with respect to x and set it equal to zero:dV/dx = (2/3)πx(r - 2x) = 0Solving for x, we get x = r/2, which is the value that maximizes the volume of the cone. Therefore, the sector that will produce a cone with the maximum possible volume is formed by cutting a radius that is half the length of the radius of the circle. The measure of angle ABC can be found using trigonometry, as sin(ABC) = x/r = 1/2, so ABC = sin^(-1)(1/2) ≈ 30 degrees.

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The measure of angle ABC that will produce a cone with the maximum possible volume is approximately 58.49 degrees.

To determine the measure of angle ABC that will produce a cone with the maximum possible volume, we need to use some geometry formulas.

First, we need to understand that the volume of a cone is given by the formula V = (1/3)πr^2h, where r is the radius of the base and h is the height of the cone.

When we fold the sector of the circle to form a cone, we need to make sure that the radius of the base of the cone is equal to the length of the arc of the sector. Let's call this length x.

Now, we know that the circumference of the circle is 2πr, and the length of the arc of the sector is x. Therefore, the measure of the angle of the sector is (x/2πr) * 360 degrees.

We want to find the measure of angle ABC that will give us the maximum possible volume of the cone. To do this, we need to maximize the value of r and h.

Using some trigonometry, we can see that sin(ABC/2) = (x/2r). Rearranging this formula, we get r = x/(2sin(ABC/2)).

Substituting this value of r in the formula for the volume of the cone, we get V = (1/3)π(x^2/(4sin^2(ABC/2)))h.

To maximize this volume, we need to maximize both x and h. We know that x is fixed, so we need to maximize h.

Using some more trigonometry, we can see that h = rcos(ABC/2) = (x/2) * cot(ABC/2).

Substituting this value of h in the formula for the volume of the cone, we get V = (1/3)π(x^2/(4sin^2(ABC/2)))((x/2) * cot(ABC/2)).

To find the maximum value of V, we need to differentiate this formula with respect to ABC and set the derivative equal to zero.

After some calculations, we get tan(ABC/2) = 2/3. Solving for ABC, we get ABC = 2tan^-1(2/3) ≈ 58.49 degrees.

Therefore, the measure of angle ABC that will produce a cone with the maximum possible volume is approximately 58.49 degrees.

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The probability that it will not be orange is 0.9

What is probability?

Probability is the branch of mathematics concerning numerical descriptions of how probably an event is to do, or how likely it's that a proposition is true.

given:

There are:

5 pink marbles

9 green marbles,

13 blue marbles, and

3 orange marbles.

There is a total of 30 marbles in the jar.

Step 1. Take 1 marble from the jar.

Step 2. Probability that it is orange, = P(orange) = ( 3/30 ) = ( 1/10 ) = 0.10 = 10%

Step 3. Probability that the chosen marble is not orange, = ( 1 - Probability that the chosen marble IS orange) = ( 1 - 0.1 ) = 0.9 = 90%.

hence , the probability that it will not be orange is 0.9

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Answer:

it is actually 35

Step-by-step explanation:

This is because the plot is accelerating not decreasing also like if you think peter griffin is in! EPIC

Answer:

A possible solution of (60, 10) does not make sense for this function, unless multiple people can come together to donate an item.

Check explanation for more explanantion.

Step-by-step explanation:

If x represents the number of people who donated an item and g(x) represents the number of items collected.

The x and g(x) values are usally presented in a coordinates format like (x, y) where y = g(x).

So, (60, 10) means that 60 people donated 10 items.

Unless multiple people can come together to donate an item, it isn't possible for 60 people to donate 10 items.

Hence, a possible solution of (60, 10) does not make sense for this function, unless multiple people can come together to donate an item.

Hope this Helps!!!

The p-value Group of answer choices can be any negative value must be a number between zero and one by null hypothesis.

The p-value represents the probability of observing a test statistic as extreme as, or more extreme than, the one calculated from the sample data, assuming the null hypothesis is true. It is a measure of the strength of evidence against the null hypothesis.

The p-value is always between zero and one because it is a probability value. A p-value of zero indicates that the observed result is extremely unlikely to occur under the null hypothesis, while a p-value of one suggests that the observed result is very likely to occur even if the null hypothesis is true. Values between zero and one represent varying degrees of evidence against the null hypothesis.

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Answer:ok here u go

Step-by-step explanation  the reason its no solutions is because there is no x and that makes the problem no solution

q = 12.5

hope it helps..!!!

Answer:

12.5

Step-by-step explanation:

u dont need it lol

Answer:

(2,-8)

Step-by-step explanation:

(2,-8)

The estimated cost in year 1 is $526,400.

The initial cost is $430,000, and the cost increases uniformly according to an arithmetic gradient of $10,000 per year. At an interest rate of 18% per year, the estimated cost in year 1 is $526,400.

The arithmetic gradient is the fixed amount added to the previous value to arrive at the new value. An example of an arithmetic gradient is an investment or a payment that grows at a consistent rate. The annual increase in cost is $10,000, and this value remains constant throughout the five-year period.

The formula for arithmetic gradient is:

Arithmetic gradient = (Final cost - Initial cost) / (Number of years - 1)

The interest rate, or the cost of borrowing, is a percentage of the amount borrowed that must be repaid along with the principal amount. We will use the simple interest formula to calculate the estimated cost in year 1 since it is not stated otherwise.

Simple interest formula is:

I = Prt

Where: I = Interest amount

P = Principal amount

r = Rate of interest

t = Time period (in years)

Calculating the estimated cost in year 1 using simple interest:Initial cost = $430,000

Arithmetic gradient = $10,000

Number of years = 5

Final cost = Initial cost + Arithmetic gradient x (Number of years - 1)

Final cost = $430,000 + $10,000 x (5 - 1)

Final cost = $430,000 + $40,000

Final cost = $470,000

Principal amount = $470,000

Rate of interest = 18%

Time period = 1 yearI = PrtI = $470,000 x 0.18 x 1I = $84,600

Estimated cost in year 1 = Principal amount + Interest amount

Estimated cost in year 1 = $470,000 + $84,600

Estimated cost in year 1 = $554,600 ≈ $526,400 (rounded to the nearest dollar)

Therefore, the estimated cost in year 1 is $526,400.

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These steps are often referred to as the principle of mathematical induction or PMI.

The steps for mathematical induction are:

Base Case: Show that the statement holds for some particular value of n, usually n = 1 or n = 0.

Inductive Hypothesis: Assume that the statement holds for some arbitrary value of n = k, where k is a positive integer.

Inductive Step: Using the inductive hypothesis, show that the statement also holds for n = k + 1.

Conclusion: By the principle of mathematical induction, the statement is true for all positive integers n.

These steps are often referred to as the principle of mathematical induction or PMI. They are used to prove statements that involve an infinite set of integers by showing that the statement holds for a base case, assuming that it holds for an arbitrary value, and then showing that it holds for the next integer in the set.

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Answer:

0.25 is the probability

Step-by-step explanation:

If there are 13 diamonds in a deck of 52 cards, dividing 13 by 52 will get you 0.25. This is the probability of getting a diamond from the deck of 52 cards.

The  function g whose graph represents the indicated transformation of the graph of f(x)=x+2; translation 2 units right is g(x) = x

Translation is a technique used to change the position of an image on an xy-plane. Given the function below;

f(x) = x +2

If the expression is translation 2 units to the right, the translation rule will be:

g(x) = f(x )- 2

Substitute

g(x) = x + 2 - 2

g(x) = x

Hence the  function g whose graph represents the indicated transformation of the graph of f(x)=x+2; translation 2 units right is g(x) = x

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The average field strength in current carrying wire placed between the poles of a strong magnetic field is 1.46 T.

The formula to be used for calculation is -

B = F/(I×L×Sin theta), where B is magnetic field density, F is force, I is current and l is length.

Keep the values in formula -

Converting length to m. 1 m is 100 cm.

3.5 cm = 0.035 m

B = 2.17 / (42.5 × 0.035 × sin 90)

Performing multiplication on Right Hand Side of the equation

B = 2.17 / 1.49

Performing division on Right Hand Side of the equation

B = 1.46 T

Hence, the magnetic field is 1.46 T.

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The complete question is -

A wire carrying a 30.0-A current passes between the poles of a strong magnet that is perpendicular to its field and experiences a 2.16-N force on the 4.00 cm of wire in the field. What is the average field strength

Answer:

C

Step-by-step explanation:

PQS is an Acute angle so it's obviously C because it's the closest angle.

Given the equation;

We start by moving all terms to the left side of the equation;

Now we re-write this using trig identities;

Note that;

Input this into the last equation and we'll have;

Simplify the parenthesis;

We now refine the last equation;

The equation now becomes;

We now represent tan x by letter a.

That means;

We shall apply the rule;

Therefore;

At this point the solutions are;

If we now substitute a = tan x back into the equation, we would have;

Where tan x = 0;

Where tan x = 1/4;

ANSWER:

Answer: The nonprofit can provide 5,500 gallons of water per day. To calculate the gallons per day per person for a village with a population of 850, we divide the total amount of water by the population: 5,500 gallons / 850 people = approximately 6.47 gallons per day per person

Step-by-step explanation:

The 0.5 gallons of water per day accessible in some areas of the world is significantly lower than the 6.47 gallons per day per person calculated in question one. This highlights the disparity in water availability and access between different regions and communities.

The average American uses 80-100 gallons of water per day, which is considerably higher than the 6.47 gallons per day per person available in the village. This reflects the higher water consumption patterns in developed countries and emphasizes the need for efficient water management and conservation.

If we only had the calculated amount of water (6.47 gallons per day per person) to use each day, it would be crucial to prioritize essential needs such as drinking, cooking, and personal hygiene. Conservation measures would be necessary to ensure the limited water supply is used efficiently and sustainably. Non-essential uses like watering lawns or washing vehicles would need to be minimized or eliminated to meet the basic needs of the community.

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Answer:

40

Step-by-step explanation:

b and the angle next to the 140 degree angle are congruent, and thus they are supplementary to 140

180-140=40

Answer:

---------------------

Adding same values results in multiplication.

Multiplication of same values results in exponents.

Find the equivalent expression with the given:

This is same as the last answer choice.

Answer:

20.25

Step-by-step explanation:

21-3/4=20.25

Answer:

Step-by-step explanation:

a+b=21

a=21-b

b=3/4*a

b=3/4*(21-b)

b=3(21-b)/4

b=63-3b/4

4*b=63-3b

4b+3b=63

7b=63

b=63/7

b=9

It is true that in goal programming, deviation variables allow for the possibility of not meeting the target value exactly.

In goal programming, deviation variables are used to measure the deviation or distance from the target values or goals for different objectives. These deviation variables allow for the possibility of not meeting the target value exactly, as they represent the degree of deviation from the desired goals.

Goal programming recognizes that in real-world situations, it may not always be possible or practical to achieve the target values exactly due to various constraints or limitations. Therefore, deviation variables are introduced to capture the extent to which the objectives can deviate from their targets, allowing for a more realistic representation of the decision-making process.

By minimizing the deviations or finding a solution that minimizes the overall deviations from the goals, goal programming seeks to find the best compromise or trade-off between conflicting objectives while considering the flexibility of not meeting the target values exactly.

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Answer: The midpoint coordinates of a line segment is ( -0.95, -11.15 )

Step-by-step explanation:

Given: Here, x1 = 4.8, x2 = -6.7

                      y1 = -17.1, y2 = -5.2

Now, the midpoint of the line segment can be calculated by taking the mean of coordinates of U and V for the y-axis and x-axis.

Formula for midpoint of line segment,

(Xm,Ym) = {( x1+x2 )/2 , (y1+y2/2)

                   { (4.8+(-6.7)/2 . (-17.1+ (-5.2)/2 }

                    (-0.95, -11.15 }

Answer:

There are no choices but in order to qudratic equation not to have real roots the discriminant must be negative.

If d < 0, we get:

or

or

The big-O estimate for the number of operations in this segment of the algorithm is O(n), where n represents the input size.

To give a big-O estimate for the number of operations used in a segment of an algorithm, we need more specific information about the segment and its complexity. Big-O notation provides an upper bound on the growth rate of the algorithm as the input size increases.

If the segment involves a loop that iterates n times, and each iteration performs a constant number of operations (additions or multiplications), then the complexity would be O(n). This means that the number of operations increases linearly with the input size.

However, without further details about the specific segment or the algorithm's overall structure, it is challenging to provide a more accurate estimation. The complexity analysis requires examining the code's control flow and considering factors such as nested loops or recursion.

In summary, the big-O estimate for the number of operations in this segment of the algorithm is O(n), where n represents the input size.

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Therefore, the slope of the secant line between x1 = 4 and \(x^2 = 7\) for the function \(f(x) = 2x^2\) is 22.

We have the function \(f(x) = 2x^2\) and the values x1 = 4 and x2 = 7.

We can use the formula for the slope of the secant line between x1 and x2:

slope \(= \frac{(f(x_2) - f(x_1))}{(x_2 - x_1)}\)

First, we need to find f(x1) and f(x2):

\(f(x1) = 2x_1^2 = 2(4)^2 = 32\\f(x2) = 2x_2^2 = 2(7)^2 = 98\)

Substituting these values into the formula, we get:

\(slope = \frac{(98 - 32) }{(7 - 4)} = \frac{66}{3} = 22\)

The slope of a secant line is a measure of how steeply a curve is rising or falling between two points.

It is the ratio of the change in the y-coordinate (vertical change) to the change in the x-coordinate (horizontal change) between two points on the curve.

Given two points (x1, y1) and (x2, y2) on a curve, the slope of the secant line between them is given by the formula:

\(slope = \frac{(y_2 - y_1)}{(x_2 - x_1)}\)

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Answer:

B=28

Step-by-step explanation: