4. San Antonio, Texas, depends on the Edwards Aquifer for its water supply. The graph shows the
decline of the water level of the aquifer over a two-week period beginning on May 20, 2012.
Aquifer Level (ft)
664
663
662
661
660
659
658
657
656
655
654
653
652
0
7
Water Level of
Edwards Aquifer
A -1.6
B. -0.8
C. 0.625
D. 1.25
8 10 12 14
Days since May 20th
Based on the graph, which of the following is the best estimate of the change in the water level.
in feet per day, during this time period?

The area of one of the bases of the pentagonal prism is approximately 172.96 square units.

What is Area ?

Area is a measure of the amount of space inside a two-dimensional shape, such as a square, rectangle, triangle, circle, or any other shape that has a length and a width. It is usually measured in square units, such as square inches, square feet, or square meters.

To find the area of one of the bases of the pentagonal prism, we need to use the formula for the volume of a pentagonal prism, which is:

V = (1÷2)Ph,

where V is the volume, P is the perimeter of the base, h is the height of the prism.

Since we know that the height of the prism is 13.4 units and the volume is 321.6 , we can solve for the perimeter of the base:

V = (1÷2)Ph

321.6 = (1÷2)P(13.4)

P = 48

The perimeter of the base is 48 units.

To find the area of one of the bases, we can use the formula for the area of a regular pentagon, which is:

A = (5÷4) [tex]s^{2}[/tex]* tan(π÷5)

where A is the area of the pentagon and s is the length of a side.

Since the pentagon is regular, all sides have the same length. Let's call this length "x".

The perimeter of the pentagon is 48 units, so we have:

5x = 48

x = 9.6

Now we can use the formula for the area of a regular pentagon to find the area of one of the bases:

A = (5÷4)[tex]x^{2}[/tex] * tan(π÷5)

A = (5÷4)(9.6*9.6) * tan(π÷5)

A ≈ 172.96

Therefore, the area of one of the bases of the pentagonal prism is approximately 172.96 square units.

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To find the ordered pair solutions, we need to solve the system of equations by setting them equal to each other:

-x² + x + 2 = x

Simplifying:

-x² + 2x + 2 = 0

We can solve for x using the quadratic formula:

x = (-2 ± sqrt(2^2 - 4(-1)(2))) / (2(-1))

x = (-2 ± sqrt(12)) / (-2)

x = 1 ± sqrt(3)

So the x-values of the ordered pair solutions are:

x = 1 + sqrt(3)

x = 1 - sqrt(3)

To find the corresponding y-values, we can substitute these x-values into either equation. Let's use y = x:

When x = 1 + sqrt(3):

y = 1 + sqrt(3)

When x = 1 - sqrt(3):

y = 1 - sqrt(3)

Answer:

Step-by-step explanation:

Based on the information provided, we can use the following credit score range and corresponding points:

Excellent: 800-850 (23-27 points)

Very good: 750-799 (18-22 points)

Good: 700-749 (13-17 points)

Fair: 650-699 (8-12 points)

Poor: 600-649 (5-7 points)

Bad: below 600 (0-4 points)

Using this range, we can add up the points for Ivan's information:

Age: 23 points (because he is between 60-64 years old)

Time at address: 5 points (because he has lived at his address for more than 10 years)

Age of auto: 5 points (because he has owned his car for 2-4 years)

Car payment: 13 points (because his monthly car payment is between $200-$299)

Housing costs: 23 points (because he owns his home and has no monthly mortgage or rent payment)

Checking and savings accounts: 5 points (because he has both types of accounts)

Finance company reference: 5 points (because he has a reference from a finance company)

Declared bankruptcy: 0 points (because he has never declared bankruptcy)

Adding up all these points, we get a total of 79 points. Based on the credit score range and points listed above, this falls into the "Excellent" category, which corresponds to a credit score between 800-850. Therefore, Ivan's credit score is likely to be in that range.

Answer:

The distance between the library and museum is 400 yards

Step-by-step explanation:

Answer:

x1 = 10
x2 = 16

x3 = 28

Step-by-step explanation:

edge 2023

Based on the data displayed in the two box plots, the group of athletes that ran the least miles is Group A, with a median value of 2.

By answering the presented question, we may conclude that The equation number of pieces that may be manufactured in 14 hours is: y = 12(14) = 168 components.

An equation in mathematics is a statement that states the equality of two expressions. An equation is made up of two sides that are separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" asserts that the phrase "2x Plus 3" equals the number "9." The purpose of equation solving is to determine the value or values of the variable(s) that will allow the equation to be true. Equations can be simple or complicated, regular or nonlinear, and include one or more elements. The variable x is raised to the second power in the equation "x2 + 2x - 3 = 0." Lines are utilised in many different areas of mathematics, such as algebra, calculus, and geometry.

The following is the number of pieces that the plant can produce in 14 hours:

168 pieces.

As a result, the equation is as follows:

y = kx.

In where k is a proportionality constant denoting the number of pieces that may be created each hour.

With x = 5, y = 60, and so the constant is given as follows:

k = 60/5

k = 12.

As a result, the equation is:

y = 12x.

The number of pieces that may be manufactured in 14 hours is:

y = 12(14) = 168 components.

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The statement that is true about the graph shown is the distribution of the data is symmetrical so the mean and the median are likely within 1000 - 1099 photocopies category (A).

A graph is symmetrical when it has a line of symmetry, which is a vertical or horizontal line that divides the graph into two equal halves that are mirror images of each other. A graph is symmetrical if it has the same shape on both sides of the line of symmetry.

This happens in the graph presented and as a result other measures such as median and mean are expected to be in the center too.

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As a result, the probability that a randomly selected student in Gianna's probability maths class has read or seen the movie adaptation of her favourite book is 44%.

Probability is a measure of how likely an event is to occur. It is represented by a number between 0 and 1, with 0 representing a rare event and 1 representing an inescapable event. Switching a fair coin and coin flips has a chance of 0.5 or 50% because there are two equally likely outcomes. (Heads or tails). Probabilistic theory is an area of mathematics that studies random events rather than their attributes. It is applied in many fields, including statistics, economics, science, and engineering.

solve this problem,

P(A or B) = P(A) + P(B) - P(A and B)

P(A) = 28%

P(B) = 36%

P(A and B) = 20%

Using the formula, we can find:

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) = 28% + 36% - 20%

P(A or B) = 44%

As a result, the probability that a randomly selected student in Gianna's maths class has read or seen the movie adaptation of her favourite book is 44%.

As a result, the right answer is (a) 44%.

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Answer:

The given expression is divisible by both 30 and 37

Step-by-step explanation:

First, let's consider the expression (36^5-6^9). We can factor out 6^5 from both terms to get:

(36^5-6^9) = 6^5(6^10-36^3)

Next, let's consider the expression (38^9-38^8). We can factor out 38^8 from both terms to get:

(38^9-38^8) = 38^8(38-1)

Now, we can substitute these factorizations back into the original expression:

(36^5-6^9)(38^9-38^8) = 6^5(6^10-36^3)38^8(38-1)

To show that this expression is divisible by 30, we need to show that it is divisible by both 2 and 3. We can see that 6^5 is divisible by both 2 and 3, so the entire expression is divisible by 2 and 3, and hence divisible by 30.

To show that this expression is divisible by 37, we can use Fermat's Little Theorem, which states that if p is a prime number and a is any integer not divisible by p, then a^(p-1) is congruent to 1 mod p. In this case, p=37 and a=6, so we can write:

6^36 ≡ 1 (mod 37)

Multiplying both sides by 6^10 gives:

6^46 ≡ 6^10 (mod 37)

We can use this congruence to simplify the expression we are interested in:

(36^5-6^9)(38^9-38^8) ≡ (6^10-6^9)(1-38^-1) (mod 37)

Simplifying this expression further gives:

(6^10-6^9)(1-38^-1) ≡ 0 (mod 37)

Therefore, the expression (36^5-6^9)(38^9-38^8) is divisible by both 30 and 37.

Answer:

the circumcenter of triangle ABC is the point (3, 7/3).

Step-by-step explanation:

To find the circumcenter of triangle ABC, we need to find the intersection point of the perpendicular bisectors of its sides.

First, let's find the midpoint and slope of each side of the triangle:

Side AB: midpoint = (0,1), slope = undefined (vertical line)

Side AC: midpoint = (3,2), slope = -1/3

Side BC: midpoint = (3,-1/2), slope = 3/2

Next, we need to find the equations of the perpendicular bisectors of each side. The perpendicular bisector of a segment is the line that passes through its midpoint and is perpendicular to the segment.

Perpendicular bisector of AB: x = 0 (it is a vertical line passing through the midpoint of AB)

Perpendicular bisector of AC: passes through the midpoint (3,2) and has a slope of the negative reciprocal of AC's slope, which is 3

Therefore, the equation of the perpendicular bisector of AC is y - 2 = -1/3 (x - 3), which simplifies to y = -x/3 + 8/3

Perpendicular bisector of BC: passes through the midpoint (3,-1/2) and has a slope of the negative reciprocal of BC's slope, which is -2/3

Therefore, the equation of the perpendicular bisector of BC is y + 1/2 = -2/3 (x - 3), which simplifies to y = -2x/3 + 7/2

Now we need to find the intersection point of any two of these perpendicular bisectors. We can choose any two, but it is usually easier to choose the ones that have equations in slope-intercept form, which are the perpendicular bisectors of AC and BC.

Solving the system of equations y = -x/3 + 8/3 and y = -2x/3 + 7/2, we get x = 3 and y = 7/3.

Therefore, the circumcenter of triangle ABC is the point (3, 7/3).

The missing data value in the table of values is y = 14

We can use the two given data points (1,6) and (2,10) to find the equation of the linear function that represents the data.

First, we can use the slope formula to find the slope of the line:

slope = (change in y) / (change in x) = (10-6) / (2-1) = 4/1 = 4

Next, we can use the point-slope formula to find the equation of the line using one of the given points. Let's use (1,6):

y - 6 = 4(x - 1)

We can simplify this equation to slope-intercept form (y = mx + b) by solving for y:

y = 4x + 2

Now we can use this equation to find the missing data value when x = 3:

y = 4(3) + 2 = 14

Therefore, the missing data value is y = 14, and the correct answer is (d) 14.

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Proportionately, if each kilogram of rice needs ¹/₅ th of the total amount of raw paddy or 60 kg, to manufacture 3 kg of rice, the rice factory needs 180 kg of raw paddy.

The quantity of raw paddy required to manufacture 3 kg of rice can be determined by proportions.

Proportion is the equation of two ratios.

The quantity of raw paddy required by each kg of rice = ¹/₅

The total raw paddy available = 300 kg

¹/₅ of 300 kg = 60 (300 x ¹/₅)

Proportionately, the quantity of raw paddy required for 3 kg of rice = 180 (60 x 3).

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Answer:

The probability of getting one ten from the deck of 52 cards is 4/52, since there are four tens in the deck. After one ten is drawn, there are only 51 cards remaining in the deck.

Step-by-step explanation:

The probability of getting four kings from the remaining 51 cards is (4/51) * (3/50) * (2/49) * (1/48), since there are four kings left in the deck after the ten is drawn, and the probability of drawing a king decreases with each card drawn.

Therefore, the probability of getting one ten and four kings is:

(4/52) * (4/51) * (3/50) * (2/49) * (1/48)

= 0.0000026

This is an extremely low probability, since the chances of getting this specific combination of cards is very low.

The interquartile range (IQR) of the data set represented by this box plot is 24.

The interquartile range, or IQR, can be determined in four easy steps: Sort the facts in ascending order of importance. locate the centre. Do the lower and higher half of the data's median calculations. Upper and lower median differences make up the IQR.

We must determine the difference between the third quartile (Q3) and the first quartile (Q1) in order to determine the interquartile range (IQR) of the data set depicted by this box plot.

We can see from the box plot that the range of the box is 18 to 49, which implies that Q1 is 25 and Q3 is 49. Therefore,

IQR = Q3 - Q1 = 49 - 25 = 24

So, none of the choices provided are the correct response. The data collection represented by this box plot has an IQR of 24, which is 24.

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Complete question:

What is the interquartile range (IQR) of the data set represented by this box plot?

A. 55

B. 37

C. 24

D. 12

[tex]0.\underline{00024}\implies \cfrac{000024}{1\underline{00000}}\implies \cfrac{24}{100000}\implies \cfrac{8\cdot 3}{8\cdot 12500}\implies \cfrac{3}{12500}[/tex]

here you go i think im right

Answer:

Rounding to the nearest foot, the distance from point A to point B is 719 feet.

Answer:

Step-by-step explanation:

F

x=weeks

5=inital

y=total money saved

Answer:

the expected value of your gain or loss is a net loss of $0.5006.

The probability of winning is 1/10,000 = 0.0001.

Step-by-step explanation:

There are 10,000 possible four-digit numbers between 0000 and 9999. Only one of those numbers is the winning number. Therefore, the probability of winning the Pick 4 game is:

Probability of winning = 1/10,000 = 0.0001

If you bet $5 on 1234, there are two possible outcomes:

-You lose $5 with probability 0.9999

-You gain $9,995 with probability 0.0001

The expected value of your gain or loss is the sum of the products of each outcome and its probability:

Expected value = (-$5 x 0.9999) + ($9,995 x 0.0001)

Expected value = -$0.5006

Answer:

Step-by-step explanation:

Answer: -2

Step-by-step explanation:

-7w + 1 = 8

Subtract 1 from both sides

-7w + = 7

Divide -7 from both sides

w = -1

then

8(-1) = -8

-8 + 6 = -2

The first 30 terms of the sequence are 89.

A progression or sequence of numbers known as an arithmetic sequence maintains a consistent difference between each succeeding term and its predecessor. The common difference in that mathematical progression is the constant difference.

Here, we have

Given: the sequence 2,5,8,11,14,17.

We have to find the first 30 terms of the sequence.

It is known that the value of the first term (a) = 2.

Different from the sequence (d) = 5 - 2 = 3.

To solve this problem, we use the formula [tex]$ \rm S_n=(\frac{n}{2})(2a+d(n-1))[/tex]

[tex]$ \rm S_{30}=(\frac{30}{2})(2(2)+(3)(30-1))[/tex]

[tex]$ \rm S_{30}=(15)(4+(3)(29))[/tex]

S₃₀ = 1365

Hence, the first 30 terms of the sequence are 89.

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Answer:

1.52×10⁶ liters of water

Step-by-step explanation:

38(4×10⁴)

The constant of proportionality of juice to blackberries is 3. This means that for every cup of blackberries, you will get 1/3 cup of juice.

The constant of proportionality is a mathematical term used to describe the relationship between two quantities that are directly proportional to each other. When two quantities are directly proportional, they vary in proportion to each other such that if one quantity doubles, the other also doubles. The constant of proportionality is the number that relates the two quantities together.

To find the constant of proportionality, we need to divide the amount of juice by the amount of blackberries.

Let x be the amount of blackberries required to make 1 cup of juice. Then we have:

4 cups of blackberries = 1 1/3 cups of juice

Divide both sides by 1 1/3 cups of juice:

4 cups of blackberries / (4/3) cups of juice = 3 cups of blackberries / cup of juice

So the constant of proportionality of juice to blackberries is 3. This means that for every cup of blackberries, you will get 1/3 cup of juice.

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Thus value of x in the given the proportion is 7.

Here, both triangles are congruent due to sss congruency,

Thus,

6 : 12

6k = 12

k = 12/6

k = 2

Also, The expressions are

(x+2) : 3x - 3

(x+2)k = 3x - 3

(x+2)2 = 3x - 3

2x + 4 = 3x - 3

3x - 2x = 4 + 3

x = 7

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Answer:

V_air = V_inside = 2,600 cubic inches.

Step-by-step explanation:

To find the amount of air contained in the display case, we need to subtract the volume of the glass from the volume of the outside dimensions.

The volume of the outside dimensions of the display case is:

V_outside = 22 * 15 * 12 = 3,960 cubic inches

The glass is half an inch thick, which means it adds 1 inch to each dimension of the display case. Therefore, the inside dimensions of the display case are:

22 - 2(1) = 20 inches

15 - 2(1) = 13 inches

12 - 2(1) = 10 inches

The volume of the inside dimensions of the display case is:

V_inside = 20 * 13 * 10 = 2,600 cubic inches

The volume of the glass is the difference between the outside and inside volumes:

V_glass = V_outside - V_inside = 3,960 - 2,600 = 1,360 cubic inches

Therefore, the amount of air contained in the display case is:

V_air = V_inside = 2,600 cubic inches.

The probability that the student was male AND got A is 5/28.

Probability is a measure of the likelihood that an event will occur. It is expressed as a number between 0 and 1, where 0 represents an impossible event and 1 represents a certain event. A probability of 0.5 (or 50%) indicates that the event is equally likely to occur or not to occur.

There are 56 students total

There are 10 males who got a A.

P(male AND got a A) = (number of males who got a A)/(number total) = (10)/(56) =5/28

Answer in decimal form=0.17

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We have shown that the sum of the elements in G is equal to zero, as required.

An abelian group, also known as a commutative group in mathematics, is a set of elements where the outcome of applying the group operation on two elements of the set does not depend on the order in which the elements are written. The group operation is hence commutative. The integers and real numbers both form abelian groups when addition is used as an operation, and the idea of an abelian group can be seen as a generalisation of these cases.

We can prove this statement using the fact that the sum of the elements in an abelian group is always equal to zero.

Since G is a finite abelian group, every element ai in G has an inverse, denoted by -ai. Furthermore, since G is abelian, the order in which we add the elements does not matter. Therefore, we can rearrange the terms in the sum a1 + a2 + ... + an so that all of the terms are paired with their inverse:

a1 + a2 + ... + an = (a1 + (-a1)) + (a2 + (-a2)) + ... + (an + (-an))

Since n is odd, we have an odd number of elements in G, which means that we have an odd number of pairs of the form ai + (-ai). Therefore, there is exactly one element in the sum that is not paired with its inverse, which is either ai or -ai for some i.

Without loss of generality, suppose that ai is the element that is not paired with its inverse. Then, we have:

a1 + a2 + ... + ai + ... + an = (a1 + (-a1)) + (a2 + (-a2)) + ... + (ai + (-ai)) + ... + (an + (-an))

= 0 + 0 + ... + 0 + ai + (-ai) + ... + 0

= ai - ai

= 0

Therefore, we have shown that the sum of the elements in G is equal to zero, as required.

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Answer:

109.68

Step-by-step explanation:

The side lengths are 24 not 17 according to the directions.

The sides of the square would be 24 + 24 + 24 = 72

Circumference of the 1/2 circle:

c = [tex]\frac{2\pi r}{2}[/tex]   We are dividing by 2 because we have 1/2 of a circle

c= [tex]\frac{(2)(3,14)(12)}{2}[/tex]  The diameter is 24 so the radius is 12

c = 37.68

Add 72 + 37.68 = 109.68

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