x - number of minutes;
f ( x ) - the distance from the finish line.
x : 0 2 4 6
f ( x ) : 3 2 1 0
f ( x ) = 3 - x/2
Answer: B ) f ( x ) = -1/2 x + 3
What is inductive and deductive reasoning examples?
Inductive and deductive reasoning are two methods of reasoning that are used to arrive at a conclusion or solution.
Inductive reasoning is a method of reasoning in which the premises of an argument are used to reach a conclusion that is likely, but not necessarily certain. This type of reasoning is often used in scientific experiments and research, where observations and data are collected and used to form a general conclusion or theory. For example, if a person observes that all the birds they have seen so far are able to fly, they might conclude that all birds are able to fly.
Deductive reasoning, on the other hand, is a method of reasoning in which a conclusion is drawn based on the logical relationship between premises and rules that are assumed to be true. This type of reasoning is often used in mathematics, logic and computer programming. For example, if a person knows that all squares have four sides and that a particular shape has four sides, they can deduce that the shape is a square.
In summary, inductive reasoning relies on empirical evidence and observations to form a conclusion, while deductive reasoning uses logical inference and deductions based on assumed rules to arrive at a conclusion.
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let r be the region in the first quadrant bounded by the graph of y=2tan(x5), the line y=5−x, and the y-axis. what is the volume of the solid generated when r is revolved about the line y=6
The volume of the solid is 29.865 cubic units.
We have,
To find the volume of the solid generated by revolving region R around the line y = 6, we can use the method of cylindrical shells.
The volume of the solid can be obtained by integrating the area of each cylindrical shell.
Each shell is formed by taking a thin vertical strip of width dx from region R and rotating it around the line y = 6.
Let's denote the radius of each cylindrical shell as r(x), where r(x) is the distance from the line y = 6 to the curve y = 2tan(\(x^5\)).
Since the shell is formed by revolving the strip around y = 6, the radius of the shell is given by r(x) = 6 - 2tan(\(x^5\)).
The height of each cylindrical shell is the difference in x-values between the curve y = 5 - x and the y-axis, which is given by h(x) = x.
The differential volume of each cylindrical shell is given by:
dV = 2π x r(x) x h(x) x dx.
To find the total volume of the solid, we integrate the differential volume over the interval where region R exists, which is determined by the intersection of the curves y = 2tan(\(x^5\)) and y = 5 - x.
The volume V is given by the integral:
V = ∫[a,b] 2π x (6 - 2tan(\(x^5\))) x dx
Setting the two equations equal to each other, we have:
2tan(\(x^5\)) = 5 -x
Let's use numerical approximation to find the intersection points.
Using a numerical solver, we find that one intersection point is approximately x ≈ 1.051.
Now, we can set up the integral to find the volume of the solid:
V = ∫[a,b] 2π (6 - 2tan(\(x^5\))) x dx
Since we are revolving around the line y = 6, the limits of integration will be from x = 0 to x = 1.051.
V = ∫[0,1.051] 2π (6 - 2tan(\(x^5\))) x dx
The integral does not have an elementary antiderivative, so we cannot find the exact value of the integral.
However, we can still approximate the value using numerical methods or software.
Using numerical approximation methods, the volume is approximately V ≈ 29.865 cubic units.
Thus,
The volume of the solid is 29.865 cubic units.
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Determine if the sequence is arithmetic. If it is, find the common difference.
Answer:
In an arithmetic sequence, the difference between any two consecutive terms must always be the same number, which is known as the common difference.
So we just need to take different pairs of consecutive terms and see if their difference is always the same:
1) The differences are:
32 - 35 = -3
29 - 32 = -3
26 - 29 = -3
So yes, this is an arithmetic sequence and the common difference is -3
2) The differences are:
-23 - (-3) = -20
-43 - (-23) = -20
-63 - (-43) = -20
This is an arithmetic sequence, and the common difference is -20
3) The differences are:
-64 -(-34) = -30
-94 -(-64) = -30
-124 -(-94) = -30
This is an arithmetic sequence and the common difference is -30
4) The differences are:
-40 -(-30) = -10
-50 - (-40) = -10
-60 - (-50) = -10
This is an arithmetic sequence and the common difference is -10
5) The differences are:
-9 - (-7) = -2
-11 - (-9) = -2
-13 - (-11) = -2
This is an arithmetic sequence, and the common difference is -2
6) The differences are:
14 - 9 = 5
19 - 14 = 5
24 - 19 = 5
This is an arithmetic sequence, and the common difference is 5.
A bag contains green and black counters.
1
-
4
of the counters are black
Write the ratio of green to black counters.
Answer:
3:1
Step-by-step explanation:
if 1/4 of the counters are black then it means the total counters are 4 and so there are 3 remaining and those become the green counters
The ratio of green to black counters is 3:1
What is the Ratio?The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.
Given that A bag contains green and black counters, 1/4 of the counters are black.
Since, 1/4 is black counters therefore, 1 - 1/4 are green counters
So, there are 3/4 green counters
Ratio = (3/4)/(1/4) = 3/1 3:1
Hence, The ratio of green to black counters is 3:1
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(probability) in 7-card hands what is the probability of having exactly 3 aces? of exactly 3 of a kind?
a) The probability of having exactly 3 aces in a 7-card hand is approximately 0.0058.
b) The probability of having exactly 3 of a kind in a 7-card hand is approximately 0.0211.
The probability of drawing a specific card from a deck of 52 cards is 1/52.
a) To find the probability of having exactly 3 aces in a 7-card hand, we can use the binomial distribution:
P(exactly 3 aces) = (number of ways to choose 3 aces from 4 aces) * (number of ways to choose 4 non-aces from 48 non-aces) / (number of ways to choose 7 cards from 52 cards)
= (4C3 * 48C4) / 52C7
= (4 * 194580) / 133784560
= 0.005755
Therefore, the probability of having exactly 3 aces in a 7-card hand is approximately 0.0058.
b) To find the probability of having exactly 3 of a kind in a 7-card hand, we can use the following steps:
Choose the rank of the 3 of a kind (13 options)Choose 3 suits for the chosen rank (4C3 options)Choose 4 ranks from the remaining 12 ranks (12C4 options)Choose 1 suit for each of the 4 remaining ranks (4 options each)Multiply the number of options from each step to get the total number of hands with exactly 3 of a kind.The total number of 7-card hands is 52C7 = 133,784,560.
Therefore, the probability of having exactly 3 of a kind in a 7-card hand is:
P(exactly 3 of a kind) = (13 * 4C3 * 12C4 * 4^4) / 133784560
= (13 * 4 * 495 * 256) / 133784560
= 0.02113
Therefore, the probability of having exactly 3 of a kind in a 7-card hand is approximately 0.0211.
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please help meeeeeeeeeeeeeeeeeeee
Answer:
Im pretty sure it's D
Step-by-step explanation:
Srry if Im wrong.
Plz mark brainliest
9,945 / 6,444,000 / the decimal
The decimal expression for 9945/6444000 is 0.001543296...
To obtain it, follow this steps:
First, write both numbers in this arrangement:
Notice where the decimal point is placed.
Next, pick digits from the number 9945 from left to right until you have
that you
Truth or False Domain and Asymptote can be the same number.
Match each equation from Column I with the correct first step for solving it in Column II. Cube each side of the equation. Multiply each side of the equation by x(x + 5). Raise each side of the equation to the power UN Square each side of the equation. Let u = (x + 5) 1/3 and u? = (x+5)2/3 Drag each first step above to the corresponding equation below. Items may be used more than once. II 2x + 3 5 (a) + х X + 5 9 (b) VX + 5 = 9 (c) (x + 5) 5/2 = 32 2/3 1/3 (d) (x+5) - (x+5) -6= 0 (e) Vx(x+5) = -6
To match the equations in Column I with the correct first step for solving them in Column II, we need to identify the appropriate algebraic manipulation for each equation.
Equation (a) is 2x + 3 = 5. The correct first step for solving this equation is to subtract 3 from both sides to isolate the term with x, resulting in 2x = 2.
Equation (b) is √(x + 5) = 9. The correct first step for solving this equation is to square both sides of the equation, eliminating the square root, resulting in x + 5 = 81.
Equation (c) is (x + 5)^(5/2) = 32^(2/3). The correct first step for solving this equation is to raise both sides of the equation to the power 2/3, resulting in (x + 5)^(5/2)^(2/3) = 32.
Equation (d) is (x + 5)^(-6) = 0. The correct first step for solving this equation is to take the reciprocal of both sides, resulting in 1/(x + 5)^6 = 0.
Equation (e) is √(x(x + 5)) = -6. The correct first step for solving this equation is to square both sides of the equation, eliminating the square root, resulting in x(x + 5) = 36.
Matching the equations with their correct first steps:
(a) - Subtract 3 from both sides
(b) - Square both sides
(c) - Raise both sides to the power 2/3
(d) - Take the reciprocal of both sides
(e) - Square both sides
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Please help it’s urgent
Answer:
\(33+4i\)
*None of the answer choices are correct. It's most plausible that your teacher forgot to regard \(i=\sqrt{-1}\) and got \(\text{d. }9+4i\). I'd recommend choosing this answer and talking about it with your teacher later.
Step-by-step explanation:
Recall that \(i=\sqrt{-1}\).
Solving, we get:
\((3-2i)(7+6i),\\21-14i+18i-12(-1),\\21-14i+18i+12,\\\boxed{33+4i}\)
3. Victoria counts this week's food donations at a pet shelter. There are 16 full cases of canned food. There are 4 cases of canned food that are missing 5 cans. Victoria records a total of 220 cans of food. Use c to represent the number of cans in a full case. What expression could represent the number of cans in each case that is missing cans?
Answer:
We know that C is the total number of cans in a complete case.
Victoria counts:
16 full cases, so in those we have: 16*C cans.
4 cases with 5 missing cans, so in those we have:
Then if each case has C cans, the cases that are missing 5 cans have:
C - 5 cans.
Then in those four cases we have a total of: 4*(C - 5) cans.
And Victoria knows that there are 220 cans, then we have that:
16*C + 4*(C - 5) = 220
16*C + 4*C - 20 = 220
16*C + 4*C = 220 + 20 = 240
20*C = 240
C = 240/20 = 12
Then each case has 12 cans.
Then the number of cans in the cases with missing cans is:
12 cans - 5 cans = 7 cans.
Answer:
16c + 4(c-5) = 220
Step-by-step explanation:
Sophie has 5 pieces of string that are each 5 1/4 feet long. Cooper has 4 pieces of string that are each
3 7/8 feet long. Estimate how much more string Sophie has than Cooper has. Enter your answer in the box.
about how many feet?
Find the measure of each numbered angle on this Triangle.
Answer:
m<1 = 69
m<2 = 37
m<3 = 106
m<4 = 21
Step-by-step explanation:
Solve the following system of equations.
5 a-b=17
3 a+2 b=5
Answer:
a = 3 , b = - 2
Step-by-step explanation:
5a + b = 17 → (1)
3a + 2b = 5 → (2)
multiplying (1) by 2 and adding to (2) will eliminate b
10a + 2b = 34 → (3)
add (2) and (3) term by term to eliminate b
13a + 0 = 39
13a = 39 ( divide both sides by 13 )
a = 3
substitute a = 3 into either of the 2 equations and solve for b
substituting into (1)
5(3) + b = 17
15 - b = 17 ( subtract 15 from both sides )
- b = 2 ( multiply both sides by - 1 )
b = - 2
then solution is a = 3 , b = - 2
Solve for X. Show your work
2x + 6 = x - 5
2x + 6 = x - 5
2x - x = -5 - 6
x = -11 ← the end
Write the expression – 5x(4 + 3x) using words.
the sum of negative five times a number and four minus three times the number
the product of negative five times a number and the quantity four plus three times the number
the product of three times a number plus the quantity four and five times the number
Answer:
the product of negative five times a number and the quantity four plus three times the number
Step-by-step explanation:
Answer:
The second one
Step-by-step explanation:
Asolve this system of equations using a matrix inverse. if a is the coefficient matrix of the above system of equations and , then the elements of are , the elements of are , and the elements are . the solution of this system is (x, y, z) = .
The solution of this system is represented by the values of (x, y, z).
To solve the system of equations using a matrix inverse, we first need to find the inverse of the coefficient matrix, denoted as "A". Let's assume that "A" is a 3x3 matrix.
Find the determinant of matrix A:
det(A) = ad - bc
Check if the determinant is non-zero. If det(A) ≠ 0, then A has an inverse.
Calculate the matrix of minors:
M = |d -b a |
|-f e -c|
|i -h g |
Calculate the matrix of cofactors:
C = |d -b a |
|-f e -c|
|i -h g |
Calculate the adjugate matrix:
Adj(A) = C^T (transpose of C)
Find the inverse of A:
A^-1 = (1/det(A)) * Adj(A)
Multiply the inverse matrix by the constant matrix:
X = A^-1 * B
The solution of this system is represented by the values of (x, y, z).
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a force of 4 pounds stretches a spring with natural length of 12 inches to 18 inches. find the total work by stretching the spring from a length of 18 inches to 24 inches:
The spring stretched from 18 inches to 24 inches, producing a total of 12 joules of work.
The formula: gives the work done on a spring when it is stretched.
W = (1/2)kx²
where W is the amount of work completed, k is the spring's constant, and x is the spring's length change. We can use the equation to determine the spring constant:
F = kx
where F is the spring's applied force and x is the spring's altered length. Since we are aware that a spring with a natural length between 12 and 18 inches will be stretched by a force of 4 pounds, we can enter these numbers into the equation to determine k:
4 = k * (18 - 12)
4 = k * 6
k = 4/6
k = 2/3
Now that we know the spring constant, we can use the work formula to calculate the total amount of work required to extend a spring from 18 inches to 24 inches in length:
W = (1/2)kx²
W = (1/2)(2/3)(24 - 18)²
W = (1/2)(2/3)(6²)
W = (1/2)(2/3)(36)
W = (2/3)(18)
W = 12
So The spring stretched from 18 inches to 24 inches, producing a total of 12 joules of work.
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4/35 x 5/16 in simplest form
Answer:
4/35x5/16=1/7x1/4=1/28 the final answer is1/28
Expand
True or False
sin( x - pi/2 ) = cos x
Answer:
hola le noeva si (true) neisa adios
Answer this question to get marked as brainliest!!!!
Answer:
Diameter is the second option
Radius is the first option
Circumference is the third option
Area is the sixth option.
Step-by-step explanation:
Diameter is the distance between two circles from one end to another.
Radius is from the center to any part of the circle
To find cirumfrnce it’s diameter*π
To find area is πr^2 or in this case π*radius*radius
lowkey urgent please help
Answer: hmmm can we see the answer choices because I think I. Ight know the answer
Step-by-step explanation:
A bag has 5 yellow marbles, 3 red marbles, 2 blue marbles quin randomly picks a marble from Thebes bag and returns it before another is picked
Answer:
blue
Step-by-step explanation:
More than more than likely he picks the blue one because the blue has two the five has yellow marbles the red marbles have three so more than likely he picked blue
WILL GIVE BRAINLIEST!!
TO CORRECT ANSWER.
You have four credit cards. Each has a balance of $950. 00, but their credit limits are $1,200. 00, $2,200. 00, $2,400. 00, and $3,000. 0. Paying off and closing which card would decrease your debt ratio?
A) $3,000. 00 limit
B) $2,400. 00 limit
C) $2,200. 00 limit
D) $1,200. 00 limit
Answer:
Im not too sure but it might be d?
Identify the slope of the line that passes through the two points (3, 4) and (9, 12).
Answer:
4/3
sorry if its wrong. i tried
PLZ I DONT HAVE POINTS!
The following circle graph represents first-quarter absences of Washington Middle School students. If 96 students had two or more absences, how many students had one absence?
( 2 or more is 21%)
Answer:
How many students had 3 or more absences? Add together {45%, 21%, 23%} and subtract that sum from 100%: 11%.
How many students had two or more absences? Add together this 11% and 21%: 32% had two or more absences. Let the total number of students be n. Then 32% of these n students add up to 96 students. Thus, 0.32n = 96, and n= 300.
How many students had one absence? The chart shows that that is 45%, and we know that there are 300 students total.
Thus, the number of students who had one absence was 0.45(300) = 135.Step-by-step explanation:
What is the value of X in the diagram below round to the nearest hundredths
HUGE GIVEAWAY!!!!(75) 5 STAR RATING AND BRAINLIEST AND THANKS. I WILL ADD EVERYONE WHO COMMENTS AND THANK THEIR PROFILE!!!!!
Answer:
hey thanks for the point really appreciate it
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in terms of pi what is 10 area
The radius is 10 units, so we can plug that value into the formula and simplify. A=π(10)^2 = 100π. This means that the area of the circle is 100 times pi, or 314.16 square units (if we use 3.14 for pi).
In terms of pi, the area of a circle with a radius of 10 units would be 100pi square units. This is because the formula for the area of a circle is A=πr^2, where A is the area, π is pi (approximately equal to 3.14), and r is the radius of the circle.
In this case, the radius is 10 units, so we can plug that value into the formula and simplify. A=π(10)^2 = 100π. This means that the area of the circle is 100 times pi, or 314.16 square units (if we use 3.14 for pi).
It's important to note that using pi allows us to find exact values for the area of a circle, rather than using an approximation like 3.14. Pi is an irrational number, meaning it goes on forever without repeating, so we can't write down its exact value. But by using pi in calculations, we can find precise measurements for circular objects.
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For the following distribution; what is the highest score? [2 pts] 20-25 15-19 10-14 5-9 4) a) 22 b) 20 c) 25 d) Cannot be determined
The highest score for the given distribution is 25.
This is because the distribution is divided into ranges, with the first range being 20-25, the second range being 15-19, the third range being 10-14, and the fourth range being 5-9.
The highest score in each range is the number on the right side of the dash.
Therefore, the highest score in the first range is 25, the highest score in the second range is 19, the highest score in the third range is 14, and the highest score in the fourth range is 9.
Since 25 is the highest score among all of the ranges, it is the highest score for the entire distribution.
The correct answer is c) 25.
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