The 'Pclass' predictor seems to be the best predictor of fare, as it was seen that the average fare increases as the passenger class increases.
The average fare in each category can be calculated by calculating the average fare for each category of the categorical predictors (excluding the first four). For example, for the 'Sibsp' predictor, the average fare can be calculated by taking the sum of all fares for each category and dividing it by the total number of passengers in that category.
The boxplots can then be used to visualize the average fares for each category of the categorical predictors. From the boxplots, it can be seen that the 'Pclass' predictor seems to be the best predictor of fare, as the average fare increases as the passenger class increases. Specifically, the average fare for passenger class 1 is much higher than that for passenger class 2 and 3, confirming that 'Pclass' is the best predictor of fare.
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Complete question:
Which categorical predictor is most effective for predicting the fare of an airline ticket?
when ball hits the sweet spot, it will travel. a greater distance if it hits any other part of the bat. a shot for distance than if it hits any other part of the bat .the same distance as if it hits any other part of the bat . no distance at all
A greater distance if it hits any other part of the bat.
When a ball hits the sweet spot of a bat, it will travel a greater distance than if it hits any other part of the bat. This is because the sweet spot is part of the bat where the energy transfer from the bat to the ball is most efficient, resulting in a more powerful hit and greater distance travelled by the ball.
This is because the sweet spot is part of the bat where the energy transfer from the bat to the ball is most efficient, resulting in a more powerful hit and greater distance travelled by the ball.
If the ball hits any other part of the bat, the energy transfer is less efficient, resulting in a less powerful hit and a shorter distance travelled by the ball.
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A classroom has 23 grade twelves (13 females and 10 males) and 11 grade elevens (7 females and 4 males). If the teacher randomly chooses a student at random, what is the probability that it is a female or a grade eleven?
P(female or grade 11) = 31/34
Given that a classroom has 23 grade twelves (13 females and 10 males) and 11 grade elevens (7 females and 4 males). The teacher randomly chooses a student at random, what is the probability that it is a female or a grade eleven?The sample space is the total number of students which is given by23 + 11 = 34.There are 13 females in the grade 12 and 7 females in the grade 11. So the total number of female students is 13 + 7 = 20.There are 11 grade 11 students. So the total number of grade 11 students is 11.The total number of students that are female or in grade 11 is obtained by adding the two:20 + 11 = 31.So the probability of choosing a female or grade 11 student is:P(female or grade 11) = 31/34
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Fatal Accidents The American Automobile Association (AAA) reports that of car accidents, 56% are caused by aggressive driving. If 3 accidents are chosen at random, find the probability for the following. Please round the final answers to 2 or 3 decimal places. Part 1 of 3 (a) None are caused by aggressive driving. P (none are caused by aggressive driving) = _____
Answer : The probability that none of the 3 accidents are caused by aggressive driving is 0.085, according to the American Automobile Association (AAA).
The probability of an accident being caused by aggressive driving is 56%, or 0.56. Therefore, the probability of an accident NOT being caused by aggressive driving is 1 - 0.56 = 0.44. Since the accidents are chosen at random, we can assume that they are independent events. Therefore, we can multiply the probabilities together to find the overall probability.
For part 1, we want to find the probability that none of the 3 accidents are caused by aggressive driving. This means we want the probability of an accident not being caused by aggressive driving (0.44) to happen 3 times in a row:
P(none are caused by aggressive driving) = 0.44 * 0.44 * 0.44 = 0.085184
Round to 3 decimal places:
P(none are caused by aggressive driving) = 0.085
Therefore, the probability that none of the 3 accidents are caused by aggressive driving is 0.085, according to the American Automobile Association (AAA).
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Let X be the number of successes observed in a sample of n = 4 items selected from a population of N = 8. suppose that of the N=8 items, 5 are considered ''successes''.
a) Find the probability of observing all successes.
b) Find the probability of observing one success.
c) Find the probability of at most two successes.
a)0.1071
b)0.2857
c) 0.3571`.
a) The probability of observing all successes is `(5/8) × (4/7) × (3/6) × (2/5) = 0.1071`b) The probability of observing one success is `(5/8) × (3/7) × (4/6) × (4/5) = 0.2857`c) The probability of at most two successes is equal to `P(X ≤ 2) = P(X = 0) + P(X = 1) + P(X = 2)`.The probability of observing zero successes is `(3/8) × (2/7) × (1/6) × (0/5) = 0`.The probability of observing one success is `(5/8) × (3/7) × (4/6) × (4/5) = 0.2857`The probability of observing two successes is `(5/8) × (3/7) × (4/6) × (1/5) = 0.0714`.Therefore, `P(X ≤ 2) = 0 + 0.2857 + 0.0714 = 0.3571`.
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Determine whether the equation is true or false.
By answering the presented question, we may conclude that When x equals 7, the equation holds true. As a result, "True" is the correct response.
What is equation?A math equation is a technique that links two assertions and denotes equivalence using the equals sign (=). In algebra, an equation is a mathematical statement that proves the equality of two mathematical expressions. For example, in the equation 3x + 5 = 14, the equal sign separates the numbers 3x + 5 and 14. A mathematical formula may be used to understand the link between the two phrases written on either side of a letter. The logo and the programmed are usually interchangeable. As an example, 2x - 4 equals 2.
The image's equation is:
2x + 4 = 18
We must solve for x to discover if the equation is true or untrue.
When we subtract 4 from both sides, we get:
2x = 14
When we divide both sides by 2, we get:
x = 7
When x equals 7, the equation holds true. As a result, "True" is the correct response.
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Keshawn has � x nickels and � y dimes, having a maximum of 14 coins worth a minimum of $1 combined. A maximum of 4 of the coins are nickels. Solve this system of inequalities graphically and determine one possible solution. Number\
One possible solution is Keshawn has 2 nickels and 12 dimes.
What is inequality equation?
An inequality equation is a mathematical expression that compares two values or expressions using inequality symbols such as < (less than), > (greater than), ≤ (less than or equal to), or ≥ (greater than or equal to)
To solve the system of inequalities graphically, we can plot the two inequalities on the coordinate plane and shade the region that satisfies both inequalities. Let x be the number of nickels and y be the number of dimes.
The first inequality represents the maximum number of coins:
x + y ≤ 14
The second inequality represents the minimum value of the coins:
0.05x + 0.1y ≥ 1
We can rewrite this inequality as:
x + 2y ≥ 20
Now we can plot these two inequalities on the coordinate plane:
Draw a horizontal line for x + y = 14.
Draw a diagonal line with negative slope for x + 2y = 20.
Shade the region below the diagonal line and to the left of the horizontal line.
The shaded region represents the feasible region that satisfies both inequalities. We also know that x ≤ 4 since a maximum of 4 coins are nickels.
One possible solution that lies in the shaded region and satisfies the constraint x ≤ 4 is (x, y) = (2, 12). This means Keshawn has 2 nickels and 12 dimes. We can check that this solution satisfies both inequalities:
2 + 12 = 14 (maximum number of coins)
0.05(2) + 0.1(12) = 1.2 ≥ 1 (minimum value of the coins)
Therefore, one possible solution is Keshawn has 2 nickels and 12 dimes.
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It’s a solve for why problem pls help me
The exponential function in the given table is:
y = 0.02*(1/2)^x
How to get the function in the table?This seems to be an exponential function of the form:
y = a*b^x
Using the points in the table we can try to find the values of a and b.
for the first point we can write:
0.02 = a*b^0
0.02 = a
Then the function is:
y = 0.02*b^x
Now the second point, (1, 0.01), replacing that we will get:
0.01 = 0.02*b^1
0.01 = 0.02*b
0.01/0.02 = b
1/2 = b
The function is:
y = 0.02*(1/2)^x
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A person tosses from atop a cliff a people straight downward with an initial velocity of -9. 0 meters per second, after 50 seconds, how far beneath the cliff is the people?
After 50 seconds, the person has fallen approximately 2252.5 meters below the cliff.
Assuming no air resistance, we can use the formula for distance traveled by an object under constant acceleration:
d = v_i * t + (1/2) * a * t²
where d is the distance traveled, v_i is the initial velocity, t is the time, and a is the acceleration.
In this case, the initial velocity is -9.0 m/s (negative since it is downward), and the time is 50 seconds. The acceleration due to gravity is approximately -9.81 m/s².
Substituting the given values into the formula, we get:
d = -9.0 m/s * 50 s + (1/2) * (-9.81 m/s²) * (50 s)²
≈ -2252.5 m
Therefore, the person is approximately 2252.5 meters beneath the cliff after 50 seconds.
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What is the value of x.
Answer:
19.8
Step-by-step explanation:
Please help me answer my homework in the image
Using distance formula, the triangle ABC is a scalene triangle
What is triangle ABCTo classify the triangle, we need to determine whether its sides are equal in length (in which case it's equilateral or isosceles), or whether they are all different lengths (in which case it's scalene). We can use the distance formula to calculate the length of each side of the triangle, as follows:
The distance formula gives us the distance between two points (x1, y1) and (x2, y2) in the coordinate plane:
d = √[(x2 - x1)^2 + (y2 - y1)^2]
Using this formula, we can find the length of each side of triangle ABC:
AB = √[(4-1)^2 + (4-0)^2] = √(9 + 16) = √25 = 5
BC = √[(6-4)^2 + (2-4)^2] = √(4 + 4) = 2√2
AC = √[(6-1)^2 + (2-0)^2] = √(25 + 4) = √29
We can see that AB = 5, BC = 2√2, and AC = √29. Since all three sides have different lengths, the triangle is scalene.
Note that the midpoints of the sides AB and BC are not relevant for determining the type of triangle. Also, it's not accurate to say that the midpoint of AB is (4/3, 2), as the coordinates of the midpoint are actually ((1+4)/2, (0+4)/2) = (2.5, 2), and similarly for the midpoint of BC.
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I need help on quiz 4-1 classifying and solving for sides/ angles
According the given question the side οf the WY is 25.
What is cοngruent by ASA?Angle-Side-Angle cοngruence rule is referred tο as ASA. Twο triangles are said tο be cοngruent accοrding tο this rule if any twο angles and the side included between them οf οne triangle are equal tο the cοrrespοnding angles and the included side οf the οther triangle.
See if the twο triangles given, ABC and XYZ, are cοngruent accοrding tο the ASA rule by lοοking at the image prοvided belοw. Accοrding tο the ASA cοngruence rule, twο triangles are said tο be cοngruent if twο οf their respective sides and angles are equal tο thοse οf twο οther triangles and their respective sides and angles, respectively.
BC = BD
m< B=13x-35
m < C = 5x-19
m < D = 2x + 14
m< B=13*11 - 35
m< B=143-35
m< B = 108
m<C=5x-19
m<C=511 - 19
m < C = 55-19
m < C = 36
This is sο because the theοrem οf SAS (Side-Angle-Side)
Sο, we have:
9x117x - 3
WY = 7x-3
WY = 7*4-3
WY = 28-3
WY = 25
Hence the side οf the WY is 25.
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a) Show that sin(BAC) = in both drawings. 5 b) Work out angle BAC in the drawing where it is acute. c) Work out angle BAC in the drawing where it is obtuse. Give each angle to 1 d.p. 15 mm B 24 mm 30° B. 15 mm A 24 mm 30° Not drawn accurately
Answer:
Step-by-step explanation:
Which statement best compares and contrasts the two formats?
The infographic shows the movement of water visually, while the text describes it.
The infographic would be less appealing to visual learners than the text.
It is impossible to understand the infographic without the text.
The text is more accurate than the infographic.
Pls help help Algebra1
The expanded form that can be used to factor the function is 12x² - 18x + 10x - 15.
option C,
What is the factorization of the equation?
To factor 12x² - 8x - 15 by grouping, we need to split the middle term -8x into two terms whose sum is -8x and whose product is -180 (the product of 12 and -15).
We can do this by splitting -8x into -18x and +10x:
12x² - 18x + 10x - 15
Now, we can group the first two terms together and the last two terms together, and factor out the greatest common factor from each group:
6x(2x - 3) + 5(2x - 3)
Notice that we have a common factor of (2x - 3) in both groups, so we can factor it out:
(2x - 3)(6x + 5)
Therefore, the factored form of 12x² - 8x - 15 by grouping is (2x - 3)(6x + 5).
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The average cost of a pizza in 2022 is $18. Inflation has been averaging 3.25% for many years. In what year was the average cost of a pizza 9$ (half)? Approximate using rule of 72.
Therefore , the solution of the given problem of average comes out to be the average price of a pizza in 2000 was about $9 (or half of $18).
Explain average.An organised collection's median value is the precise value that makes up the collection's mean. In this case, the ratio between the lowest and highest 50% of the data is a normal but rather probability measure. When finding the middle and mode, a variety of algorithms can be applied in order to identify any unusual or even amounts of values.
Here,
By dividing 72 by the interest rate, we can calculate how many years it will take an investment to double in value at a specific interest rate. This is known as the law of 72. In this instance
With an inflation rate of 3.25 percent, it takes roughly how many years for the price of a pizza to double as a result of inflation:
72 / 3.25 = 22.15 years
In light of this, we can calculate that a pizza cost $9 (half of $18) roughly 22 years ago, which corresponds to the following year:
2022 - 22 ≈ 2000
As a result of inflation running at an average of 3.25% for many years, the average price of a pizza in 2000 was about $9 (or half of $18).
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A softball team has 20 players. How many 9 player batting orders are possible?
There are 184,756 possible 9 player batting orders for a softball team with 20 players.
The formula to calculate the combination number of possible batting orders for a team with n players is n!/(n-r)! where n = the total number of players, and r = the number of players in the batting order. Therefore, for a softball team with 20 players, the number of possible 9 player batting orders is 20!/(20-9)! = 184,756.
20! = 20 × 19 × 18 × 17 × 16 × 15 × 14 × 13 × 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
(20-9)! = (20 - 9) × (19 - 9) × (18 - 9) × (17 - 9) × (16 - 9) × (15 - 9) × (14 - 9) × (13 - 9) × (12 - 9) × (11 - 9) × (10 - 9) × (9 - 9)
20!/(20-9)! = 184,756
Therefore, there are 184,756 possible 9 player batting orders for a softball team with 20 players.
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Find the TOTAL surface area of each figure. Round answers to the nearest hundredth, if necessary
The total surface area of this figure is 94, rounded to the nearest hundredth.
The figure in question is a rectangular prism. To calculate the total surface area of a rectangular prism, we must use the following formula: Total Surface Area = 2(lw + wh + lh), where l is the length, w is the width, and h is the height.
For this figure, the length is 5, the width is 4, and the height is 3. Thus, we can calculate the total surface area of the figure as follows: 2(5*4 + 4*3 + 5*3) = 2(20 + 12 + 15) = 2(47) = 94. Therefore, the total surface area of this figure is 94, rounded to the nearest hundredth.
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A bottle of apple juice has 25 ounces. Find the number of quarts of apple juice in a case of 24 bottles
There are 18.75 quarts of apple juice in a case of 24 bottles.
To calculate the number of quarts of apple juice in a case of 24 bottles, we must first calculate the number of ounces in the case. To do this, we can use the formula:
Total Ounces = Number of Bottles x Ounces per Bottle
Total Ounces = 24 x 25
Total Ounces = 600
Now that we have the total ounces of apple juice in the case, we can convert this to quarts using the formula:
Quarts = Ounces ÷ 32
Quarts = 600 ÷ 32
Quarts = 18.75
Therefore, there are 18.75 quarts of apple juice in a case of 24 bottles.
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Given: ABCD is a rectangle
AE≅CF
Prove: DE≅BF
(written in a two-column proof please)
Therefore , the solution of the given problem of rectangle comes out to be DE ≅ BF | Corresponding parts of congruent triangles are congruent
What is a rectangle?A rectangle is a cube with four perpendicular sides in the Euclidean plane. It is also known as an equal-sided rectangle or an equiangular trapezoid. Additionally, the trapezoid may have a straight border. A square has four edges that are the same length. Quadrilaterals that are rectangular have four identical sides but instead four 90° edges. As a result, it is sometimes referred to as a "rectangular trapezoid".
Here,
ABCD is a rectangle | Given
=> AE ≅ CF | Given
AEFC is a parallelogram | Definition of parallelogram
=> AC ≅ EF | Opposite sides of a parallelogram are congruent
=> ∠EAF ≅ ∠ACF | Opposite angles of a parallelogram are congruent
=> ∠EAF ≅ ∠CAD | Diagonals of a rectangle bisect each other
=> ∠ACF ≅ ∠CAD | Transitive property of congruence
=> ∆ACF ≅ ∆CAD | ASA (angle-side-angle) congruence
=> DF ≅ DF | Reflexive property of congruence
=> ∆DFC ≅ ∆DFE | SSS (side-side-side) congruence
=> ∠BCF ≅ ∠ADE | Corresponding angles of congruent triangles are congruent
=> ∠BCF ≅ ∠BDF | Diagonals of a rectangle bisect each other
=> ∠ADE ≅ ∠BDF | Transitive property of congruence
=>∆ADE ≅ ∆BDF | ASA congruence
=> DE ≅ BF | Corresponding parts of congruent triangles are congruent
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What is the volume of the prism, in cubic centimeters?
Answer:
Vol = 120 cm^3
Step-by-step explanation:
The volume of a prism is:
Vol = BaseArea×height
Here, the base is the triangle.
Area_triangle
= 1/2bh
= 1/2•6•4
= 12 cm^2
The height is 10cm (and we don't even need the 5cm measurement given)
Volume
= BaseArea × height
= 12 × 10
= 120 cm^3
Can someone please help me with this asap? I will give brainliest if it’s correct
Show work!!
Answer:
[tex]\frac{1}{5}[/tex]
Step-by-step explanation:
There are a total of 30 number between 1 and 30, so the total events is 30.
Now for the favorable events (A: even and multiple of 3) there's a total of 5 numbers (6,12,18,24,30)
Using classic probability law the probability is given by the favorable events between the total events
[tex]P(A)=\frac{6}{30}=\frac{1}{5}[/tex]
Estimate 12% of 77.
10
8
6
12
Answer:
Step-by-step explanation:
12% of 77 is 10.24 or 10.
Step-by-step explanation:
12/100 * 77
12*77=824
824/100
divide by 2
206/25
use long division method
8.24
Helpppppppppppppppppppp
Answer:
SAS proves that these triangles are congruent.
find the area of a circle with a circumference of 11 pi feet 
Answer:
95ft²
Step-by-step explanation:
2πr = 11π
πr = 11π/2
r = 11/2 = 5.5ft
area = πr²
area = π(5.5)² = 95.0331... ≈ 95ft²
work out the value of
(2.92 x 10^6) ÷ (4 x 10^-2)
give your answer in standard form
???
Answer:
7.3*10^7
Step-by-step explanation:
Sebastian is supposed to walk his dog 25 minutes every day. He was running late for school, and was only able to walk his dog 20 minutes today. Choose the division expression that shows what fraction of time Sebastian walked the dog today.
Therefore , the solution of the given problem of expressions comes out to be Sebastian strolled his dog for 4/5 of the allotted time today.
What does a expression actually mean?Calculations like arbitrary division, joining, multiplication variable , and removal are required. If they were merged, they would produce the following: A mathematical formula, some data, and an equation. A declaration of veracity is made up of values, elements, formulae, and mathematical operations like additions, subtractions, errors, and segments. It is possible to assess and analyse words and sentences.
Here,
You can calculate how much of the allotted time Sebastian spent walking his dog today by dividing the time he spent walking him (20 minutes) by the time he was meant to walk him (25 minutes).
Therefore, the division formula that represents this portion is:
=> 20 ÷ 25
The short form of this phrase is:
=> 4/5
As a result, Sebastian strolled his dog for 4/5 of the allotted time today.
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Merisa spent 3/4 of her money on a dictionary. She spent 1/2 of the remainder on a calculator. The dictionary cost $30 more than the calculator. How much did the dictionary cost?
Step-by-step explanation:
she has x money at the beginning.
(3/4)x = dictionary
the remainder is (1/4)x.
1/2 of that (1/4 × 1/2 = 1/8) is the calculator.
that means she has (1/4)x - (1/8)x = (1/8)x left.
the dictionary is $30 more than the calculator.
so,
(3/4)x = (1/8)x + 30
(6/8)x = (1/8)x + 30
(5/8)x = 30
5x = 240
x = 240/5 = $48
so, the dictionary cost
(3/4)x = (3/4)×48 = 3×12 = $36
the only question i need help is number 48 pleaseee
Therefore, the measure of angle 1 is 40°.
What does a mathematical angle mean?Two rays (half-lines) that share a terminal are combined to form an angle. In contrast, the rays are variously referred to as the angle's legs and its arms, with the latter serving as the angle's vertex.
The measure of an inscribed angle is half the measure of its intercepted arc. Therefore, we can use this property to find the measure of angle 1.
If mAB = 80°, then arc AB is also 80° because an inscribed angle intercepts an arc with the same measure as the angle. Therefore, the measure of arc AB is 80°.
Since angle 1 is an inscribed angle that intercepts arc AB, its measure is half the measure of arc AB. Therefore, we can find the measure of angle 1 as follows:
m∠1 = (1/2) x m arc AB
m∠1 = (1/2) x 80°
m∠1 = 40°
Therefore, the measure of angle 1 is 40°.
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10. Kendall drew a right triangle. The tangent value for one angle in her triangle is 1.8750. Which set of side lengths could belong to a right triangle similar to the triangle Kendall drew? A. 16, 30, 35 B. C. 6, 8, 10 D. 1.875, 8, 8.2 8, 15, 17
The sets of side lengths that are similar to the triangle that Kendall drew are; A. 16, 30, 35, and D. 8, 15, 17.
How to obtain the sidesThe tangent of a right triangle is given as the opposite side divided by the adjacent side. Now, we are given the value of the tangent to be 1.8750.
To obtain the tangents, we are going to divide the opposite by the adjacent as follows:
30/16 = 1.875
8/6 = 1.333
8/1.875 = 4.266
15/8 = 1.875.
So, the set of side lengths that are similar to the triangle that Kendall drew are 16, 30, 35, and 8, 15, 17.
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(a-b)x2-(a+b)x+2b ssolve this quadratic equation plsss
The two solutions to the given quadratic equation are x = (a+b + √(a2 - 6ab + 8b2))/(2(a-b)) and x = (a+b - √(a2 - 6ab + 8b2))/(2(a-b)).
The general form of a quadratic equation is ax2 + bx + c = 0. To solve this equation, we need to use the Quadratic Formula. The Quadratic Formula is [tex]x = [-b ± √(b2 - 4ac)]/ 2a[/tex].
We can plug the values for a, b, and c into this equation. For this equation, a = (a-b), b = -(a+b), and c = 2b.
Therefore, using the Quadratic Formula, we get [tex]x = [-(-(a+b)) ± √((-(a+b))2 - 4(a-b)(2b))]/ 2(a-b)[/tex].
Simplifying this, we get [tex]x = [a+b ± √(a2 + 2ab - 4ab - 8b2)]/(2(a-b))[/tex].
Finally, we can solve for the two values of x by computing the two cases. In the first case, we add the square root, and in the second case, we subtract the square root. This gives us the two solutions [tex]x = [(a+b + √(a2 - 6ab + 8b2))/(2(a-b))][/tex] and [tex]x = [(a+b - √(a2 - 6ab + 8b2))/(2(a-b))][/tex].
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The ratio of the student government budget for dances to its budget for charity events is 5 to 7. If $532.00 is budgeted for charity events, how much is budgeted for dances?
The amount budgeted for dances is approximately $380.00.
Assume that "x" is the budgeted sum for dances. The problem states that there is a 5:7 ratio between the budget for dances and the budget for charitable activities. Hence, we can write:
x/532 = 5/7
We can cross-multiply and simplify to find the answer for "x"
7x = 532 × 5
7x = 2660
x = 2660/7
x ≈ 380.00
The estimated $380.00 planned money for dances is the result.
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