The sample space for rolling a fair seven-sided die is S = {1, 2, 3, 4, 5, 6, 7}.
Given that,
A fair seven sided die is rolled.
We have to find the sample space of the rolling.
A sample space is a set of all the possible outcomes in a random experiment. It is usually denoted by the letter, S.
The subset of the sample space are events.
The die has the numbers marked from 1 to 7.
So when we roll the die,
The possible numbers are 1, 2, 3, 4, 5, 6, 7
Sample space = {1, 2, 3, 4, 5, 6, 7}
Hence the sample space is {1, 2, 3, 4, 5, 6, 7}.
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Two ordered pairs in the scatter plot are (10,50) and (25, 20). What is
the slope of the line through those two points?
I need help finding the quotient of this equation in simplified form.
by breaking it down u can write it as
15p^-4/_20p^-12 * q^-6/q^-3
15/-20=-3/4
using law of indices we have
-3/4p^-4+12 * q^-6+3
-3/4p^8q^-3
the answer is the first own
Hellp meee please I’m about to fail this subject!
Answer:
So first you have to do 12-2 since it's in parenthesis. It is 10. 5+4 is 9, and 9 times 10 is 90. 3 squared is 9, then you divide 90 by 9. The answer is 10.
I have no idea??? I'm 3rd grade.
The equation 2x2+2y2−8x−12y+16=0 2 x 2 + 2 y 2 − 8 x − 12 y + 16 = 0 defines a circle. Which of these shows a correct step for determining the center and radius of this circle? Choose all that are correct.
(2x2−8x+16)+(2y2−12y+36)=−16+36
(
2
x
2
−
8
x
+
16
)
+
(
2
y
2
−
12
y
+
36
)
=
−
16
+
36
(x−4)2+(y−9)2=5
(
x
−
4
)
2
+
(
y
−
9
)
2
=
5
(x2−4x+4)+(y2−6y+9)=−8+13
(
x
2
−
4
x
+
4
)
+
(
y
2
−
6
y
+
9
)
=
−
8
+
13
x2+y2−4x−6y=−16
x
2
+
y
2
−
4
x
−
6
y
=
−
16
(x−2)2+(y−3)2=5
what do i choose? because all i see is a lot of numbers and words lol
Volume of a sphere with a diameter of 22 rounded to the nearest tenth
The volume of the sphere with a diameter of 22 rounded to the nearest tenth is approximately 5575.3 cubic units.
Rounded to the closest tenth, the volume of a sphere with a 22 diameter
The following is the formula for a sphere's volume:
\(V = (4/3) \times pi \times r^3\)
where r denotes the sphere's radius.
Since the diameter of the sphere is given as 22, we can find the radius as:
r = d/2 = 22/2 = 11
Now, substituting this value of r into the formula for volume, we get:
\(V = (4/3) \times pi \times 11^3\)
V ≈ 5575.27976
Rounding this to the nearest tenth, we get:
V ≈ 5575.3
Therefore, the volume of the sphere with a diameter of 22 rounded to the nearest tenth is approximately 5575.3 cubic units.
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Write the sentence as an equation.
258 is equal to 19 reduced by C
Answer:
258÷c=19
what?
Let P(n) be the equation: 11⋅2+12⋅3+⋅⋅⋅+1n⋅(n+1)=nn+1 for all the natural numbers n≥1.
A mathematical induction proof consists of two steps: the basis step and the inductive step. Answer the following questions: Show the equation is true in the basis step. What is the equation of the inductive hypothesis (IH)? You don't need to show the equation is true. What is the equation we need to show in the inductive step?
In the basis step of the mathematical induction proof for P(n), we show that the equation is true for n = 1. The equation of the inductive hypothesis (IH) is P(k), where k is an arbitrary natural number. In the inductive step, we need to show that if P(k) is true, then P(k+1) is also true.
In the basis step, we substitute n = 1 into the equation 11⋅2+12⋅3+⋅⋅⋅+1n⋅(n+1)=nn+1. This gives us the equation 1⋅2 = 1+1, which is true.
The inductive hypothesis (IH) is denoted as P(k), where k is an arbitrary natural number. We assume that P(k) is true, meaning that 11⋅2+12⋅3+⋅⋅⋅+1k⋅(k+1)=kk+1 holds.
In the inductive step, we need to show that if P(k) is true, then P(k+1) is also true. This involves substituting n = k+1 into the equation 11⋅2+12⋅3+⋅⋅⋅+1n⋅(n+1)=nn+1 and demonstrating that the equation holds for this value. The specific equation we need to show in the inductive step is 11⋅2+12⋅3+⋅⋅⋅+1(k+1)⋅((k+1)+1)=(k+1)(k+1+1).
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In the basis step, we need to show that the equation P(1) is true. The equation of the inductive hypothesis (IH) is P(k), where k is any natural number greater than or equal to 1. In the inductive step, we need to show that if P(k) is true, then P(k+1) is also true.
To prove the equation P(n): 11⋅2 + 12⋅3 + ... + 1n⋅(n+1) = n(n+1) using mathematical induction, we follow the two-step process.
1. Basis Step:
We start by showing that the equation is true for the base case, which is n = 1:
P(1): 11⋅2 = 1(1+1)
Simplifying, we get: 2 = 2, which is true.
2. Inductive Step:
Assuming that the equation is true for some arbitrary value k, the inductive hypothesis (IH) is:
P(k): 11⋅2 + 12⋅3 + ... + 1k⋅(k+1) = k(k+1)
In the inductive step, we need to show that if P(k) is true, then P(k+1) is also true:
P(k+1): 11⋅2 + 12⋅3 + ... + 1k⋅(k+1) + 1(k+1)⋅((k+1)+1) = (k+1)((k+1)+1)
By adding the (k+1)th term to the sum on the left side and simplifying the right side, we can demonstrate that P(k+1) is true.
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A bowl of ice-cream and a cup of cake cost N11. If two bowls of ice-cream and three cups of cake cost N28, how much does a cup of cake cost?
According to unitary method, the cost of one cup of cake is N6.
Let's assume that the cost of one cup of cake is "x" Naira. According to the problem, a bowl of ice cream and a cup of cake cost N11. This can be expressed as:
1 bowl of ice cream + 1 cup of cake = N11
We can use this equation to express the cost of one bowl of ice cream in terms of the cost of one cup of cake. To do this, we need to isolate the cost of one bowl of ice cream on one side of the equation. This gives us:
1 bowl of ice cream = N11 - 1 cup of cake
Now, we can use this expression to find the cost of two bowls of ice cream and three cups of cake. According to the problem, this costs N28. This can be expressed as:
2 bowls of ice cream + 3 cups of cake = N28
We can substitute the expression we derived earlier for the cost of one bowl of ice cream into this equation. This gives us:
2(N11 - x) + 3x = N28
Simplifying this equation gives us:
22 - 2x + 3x = N28
x = N6
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plz help me! 50 points
Graph attached
Shading should be done from 3 to 15/2 or 7.5
It should be open dot
Dog food bad contains 18 cups to fill it up his friend dog eats 1 1/2 each day he says he'll be able to feed his dog for 27 days that true?
Answer:
It's not true because 18 cups will only last 12 days, not 27 days.
Step-by-step explanation:
1 1/2 = 3/2
3/2(27) = 40.5 cups
18 = 3/2c
c = 12
give the total number of isomers with the formula [pd(c2o4)2i2]2–.
The total number of isomers with the formula [Pd(C2O4)2I2]2– is 3150.
There are two parts to this answer: the first part is to determine the coordination number of the central palladium (Pd) atom, and the second part is to determine the number of possible isomers based on the coordination number.
To determine the coordination number, we need to count the number of ligands (the molecules that bind to the central atom) attached to the Pd atom. In this case, we have four oxalate (C2O4) ligands, each of which contributes two atoms (a total of eight atoms), and two iodide (I) ligands, each of which contributes one atom (a total of two atoms). This gives us a total of 10 ligands attached to the Pd atom. Since each ligand can only form one bond with the Pd atom, the coordination number is 10.
Next, we need to determine the number of possible isomers. Isomers are molecules with the same chemical formula but different arrangements of atoms. For this complex ion, there are two types of isomers: geometrical and optical.
Geometrical isomers arise from the fact that the ligands can be arranged around the central atom in different ways. In this case, since there are 10 ligands, there are a total of 10!/[(4!2!2!)x2] possible geometrical isomers, or 3150.
Optical isomers arise when there are non-superimposable mirror images of the molecule. However, since this complex ion has a plane of symmetry, it is achiral and does not have optical isomers.
Therefore, the total number of isomers with the formula [Pd(C2O4)2I2]2– is 3150.
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What is the equation of the line that passes through the point (5,-5) and has a slope of -1/5
Considering the definition of a line, the equation of the line that passes through the point (5, -5) and has a slope of -1/5 is y= -1/5x -4.
Linear equationA linear equation o line can be expressed in the form y = mx + b
where
x and y are coordinates of a point.m is the slope.b is the ordinate to the origin and represents the coordinate of the point where the line crosses the y axis.Line in this caseIn this case, you know that:
The line has a slope of -1/5.The line passes through the point (5, -5).Substituting the value of the slope m and the value of the point in the expression of a line, the value of the ordinate to the origin b can be obtained as follow:
-5= -1/5×5 + b
-5= -1 + b
-5 +1= b
-4= b
Finally, the equation of the line is y= -1/5x -4.
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With the spinner shown, the theoretical probability of landing on 2 is 0.25 . Which number of spins would most likely result in a relative frequency that is closest to the theoretical probability?
Answer:the question just written out doesnt give a crazy amount of context but i believe the answer is 4 spins
Step-by-step explanation:
PLZ IF RIGHT I WILL GIVE BRAINLIST: One year, the population of a city was 64,000. Several years later it was 53,120. Find the percent decrease.
Ans=______%
the answer is it decreased 17%
im not 100% btw
help this is my last try!!!!!!!!!!!!!!!!!!!!!!!!11
Answer:
2^8=256
Step-by-step explanation:
Multiply the exponents and simplify
A toy store's percent of markup is 45%. A model train costs the store $50. Find the
markup.
Answer:
$22.50
Step-by-step explanation:
Answer:
$95 is the markup
Step-by-step explanation:
Add 45+50=95
Question: Graph the inequality on the axes below.
y ≤ x -2.
where would i graph, where would i shade and is the line dotted or not
Answer:
To graph the inequality y ≤ x - 2 on the axes, you would:
Plot the line y = x - 2 on the graph. The line will be a straight line passing through the point (-2,0) and has a slope of 1.
Determine the direction of the inequality symbol. Since it is a less-than-or-equal-to symbol, we will shade the region that is less than or equal to the line.
Shade the region that is less than or equal to the line in the graph. In this case, the region above the line y = x - 2.
The line is solid, it's not dotted.
Note: The graph will be a straight line that is tilted towards the top right of the coordinate axes, the region above the line will be shaded.
Step-by-step explanation:
A tessellation could be created using parallelograms like the one shown below.
True or False?
Answer:
A. : True hope this helps someone
Step-by-step explanation:
A tessellation could be created using parallelograms like the one shown below is true.
What is a parallelogram?Parallelogram is a quadrilateral that has two pairs of parallel sides.
In a parallelogram, opposite sides and angles are equal.
The adjacent angles add up to 180 degrees.
We have,
Tessellations can be created using a variety of shapes, including parallelograms.
A tessellation is a repeating pattern of shapes that completely covers a plane without any gaps or overlaps.
In a parallelogram tessellation, the parallelograms would fit together like puzzle pieces to fill the plane.
Thus,
A tessellation could be created using parallelograms like the one shown below is true.
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Solve the inequality. Graph the solution 2> 6-3r
solution of the inequality is r>4/3.
Define inequalityAn inequality is a mathematical statement that compares two values or expressions, indicating that one is greater than, less than, or not equal to the other. Inequalities are expressed using symbols such as "<" (less than), ">" (greater than), "<=" (less than or equal to), ">=" (greater than or equal to), or "≠" (not equal to).
Inequalities can also involve variables, and solutions to such inequalities are the sets of values of the variable that make the inequality true. For example, the inequality 2x + 3 < 7 states that 2x + 3 is less than 7, and solving for x gives the solution x < 2.
Given inequality
2>6-3r
Solving the inequality
2-6>-3r
-4>-3r
r>4/3
Hence, solution of the inequality is r>4/3
Image of the inequality is attached below.
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Choose the expression that represents a linear expression.
6x + 6
O-6x² +8x-9
O8x3 + 9x² - 10x + 11
07x4-8x³+9x² - 10x + 11
Question 3(Multiple Choice Worth 1 points)
(06.01 LC)
Answer:
6x+6
Step-by-step explanation:
a linear expression has no power attached to the x (the unknown)
two commercial jets at 40000 ft are both flying toward an airport. plane a is flying south at 520 mph and is 100 miles from the airport while plane b is flying west at 450 mph and is 240 miles from the airport. how fast is the distance etween the two planes changing at this time?
The distance between the two planes changing at this time is \(615.4mph\)
What in geometry is the distance between two planes?The distances between two planes may be calculated using the shortest distance across their surfaces as well as the length of the surface normal that falls through one plane into the other.
How Can I Calculate the Distance Among Two Planes?There are two ways to calculate the separation between two planes. A point-plane distance formula or the formula |d2 - d1|/(a2 + b2 + c2) can be used to calculate distance. You can figure out how far apart two planes are by measuring the distance between their surfaces. It is possible to have two parallel or non-parallel planes.
To find \(\frac{dD}{dt}\)
Now from Pythagorean theorem we have
\((D)^{2}=(100)^{2}+(240)^{2}\)\(= 67600\)
\(D= 260\)
Now \(D^{2}=A^{2}+ B^{2}\)
\((260) \frac{dD}{dt}= (100) (520)+(240) (450)\)
\(= \frac{dD}{dt} = \frac{52000+108000}{260}\)
\(= 615.4 mph\)
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If the number of bacteria in a colony doubles every 33 hours and there is currently apopulation of 50,000 bacteria, what will the population be 66 hours from now?
Answer:
200,000
Step-by-step explanation:
Population now: 50,000
Population in 33 hours: 100,000
Population in 66 hours: 200,000
Answer: 200,000
Write the standard form of the equation of each line.
1. y= -2/5x+1
2. y+3 = -3/2(x+1)
Answer:
1. 2x + 5y = 5
2. 3x + 2y = -9
Step-by-step explanation:
Answer:
1. 2x+5y=5
2. 3x+2y=-9
Step-by-step explanation:
The table shows the last holiday destination of 60 people.Holiday
destinations
Frequency | Angle in º
France
25
Spain
18
Greece
15
Other
2
Complete the table and draw a pie chart
to represent this information.
Note: Please draw your pie chart in a 'clockwise' direction from the line already drawn
and follow the order from the table (France, then Spain etc...).
The required answer are according to the following order,
a) France;
25/60 × 360/1 = 150°
b) Spain;
18/60 × 360/1 = 108°
c) Greece;
15/60 × 360/1 = 90°
d) Other;
2/60 × 360/1 = 12°
What do you mean by sum of angles?
We know that the sum of angles in a triangle is 360°. The question requires us to find the angle that corresponds to each of the given holiday destinations. We shall now proceed as follows:
The angle subtended is obtained from number of people that chose a particular location.
a) France;
25/60 × 360/1 = 150°
b) Spain;
18/60 × 360/1 = 108°
c) Greece;
15/60 × 360/1 = 90°
d) Other;
2/60 × 360/1 = 12°
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A convoy must carry 44 tons of goods. Because there are 3 trucks that are assigned to other jobs, each of the remaining trucks has to carry an additional 1.5 tons. How many cars did the group have at the beginning? (Know that each truck carries the same number of goods).
please help me!!
A house in Kansas City is advertised at
$1,243,500. Brett offers $6,700 less than the
asking price. How much money did Brett offer
for the house?
Answer:
$1,236,800
Step-by-step explanation:
The problem statement tells you Brett's offer is $6700 less than the asking price. The offer is found by subtracting $6700 from the asking price:
offer = asking price - $6700
offer = $1,243,500 -6,700 = $1,236,800
Brett offered $1,236,800 for the house.
find the exact length of the curve. x = y4 8 1 4y2 , 1 ≤ y ≤ 2
The length of the curve is (1/2) ∫(θ1 to θ2) (8sec^2(θ) - 8).
How to find length of the curve?To find the length of curve, we can use the formula for arc length:
L = ∫(a to b) √[1 + (dy/dx)^2] dx
First, we need to express x in terms of y and find dy/dx. We have:
x = y^4/(8 + 1/4y^2)
=> 8x + x/4y^2 = y^4
=> 8xy^2 + x = 4y^6
=> x = (4y^6 - 8xy^2)/(-1)
Differentiating both sides with respect to y, we get:
dx/dy = (24y^5 - 16xy)/(1)
Simplifying, we get:
dx/dy = 8y^4 - 16x/y
Substituting this into the formula for arc length, we get:
L = ∫(1 to 2) √[1 + (8y^4 - 16x/y)^2] dy
Next, we express x in terms of y and substitute into the integral. We have:
x = (4y^6 - 8xy^2)/(-1)
=> x = (4y^4 - 8y^2x)/(-y)
Substituting this into the integral, we get:
L = ∫(1 to 2) √[1 + (8y^4 + 16y^2x^2 - 16y^2x^2)/y^2] dy
= ∫(1 to 2)√[1 + 8y^2] dy
Use the substitution u = √(8)y, which gives us du/dy =√(8) and dy = du/√(8).
Substituting these into the integral, we get:
L = ∫(√(8) to 2√(8)) √[1 + u^2/8] du/√(8)
= (1/4) ∫(√(8) to 2√(8)) √(8 + u^2) du
Next, we can use the substitution u =√(8)tan(θ),
= √(8)sec^2(θ) d(θ).
Substituting these into the integral, we get:
L = (1/4) ∫(θ1 toθ2)√(8 + 8tan^2(θ)) √(8) sec^2(θ) d(θ)
= (1/2) ∫(θ1 toθ2) √(64 + 64tan^2(θ)) sec^2(θ) d(θ)
= (1/2) ∫(θ1 toθ2) 8sec^3(θ) d(θ)
We can use the trigonometric identity sec^2(θ) - 1 = tan^2(θ) to simplify the integrand:
L = (1/2) ∫(θ1 toθ2) (8sec^2(θ) - 8)
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Mr. Johns gave a test last week and Ginny missed one question. She answered that 14.5 people would ride on each bus rather than 15. Her parents would like a conference because she did the math problem correctly and should receive credit even though her answer was not reasonable. How should Mr. Johns handle this situation
Mr. Johns handle this situation to Agree to meet, listen to their concerns, and then explaining that one component of math is understanding reasonable answers.
Mr. Johns gave a test last week and Ginny missed one question. She answered that 14.5 people would ride on each bus rather than 15. Her parents would like a conference because she did the math problem correctly and should receive credit even though her answer was not reasonable.
Mr. Johns handle this situation to Agree to meet, listen to their concerns, and then explain that one component of math is understanding reasonable answers.
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How did you know that ordered pair satisfies the linear inequality in two variables?
Using the values provided in the ordered pair, The linear inequality is satisfied by putting the ordered pair values and checking if the statement is true or false.
What do you mean by a ordered pair?An ordered pair is made up of the ordinate and the abscissa of the x coordinate, with two values given in parenthesis in a certain sequence.
What is linear inequality?When two mathematical statements or two numbers are compared in an unequal way, it is known as an inequality in mathematics. Inequalities can generally be classified as either algebraic or numerical, or as a combination of the two.
ordered pair=(1,2)
linear inequality equation,
\(4x_{1}-x_{2} > 0\)
using value from ordered pair,
\(4*1 - 2 > 0\)
\(2 > 0\)
which is true. That is it satisfies the given linear inequality.
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Can someone PLEASE help me with this ASAP?! Show work please!