The best interpretation of the number 8.6 according to the task content is; The completion time of the reaction.
What is the best interpretation of the number 8.6?It follows from the task content that the number 8.6 as given in the task content can be agreed to be the completion time of the reaction.
This follows from the fact that, at time, s = 8.6, amount in moles, m of the reactants remaining becomes, 0 in which case, the reaction is complete.
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A description of the distribution of the values of a random variable and their associated probabilities is called a.
A description of the distribution of the values of a random variable and their associated probabilities is called a Probability Distribution.
What is a random variable?Understanding the random variable and its probability is necessary for the analysis of complex random occurrences. The numerical result of a random process, which might be discrete or continuous in nature, is known as a random variable.
Now,
If the result of the random variable is tabulated along with the probabilities, it makes it easier to analyze random events. A probability distribution table is a description of the distribution of the values of a random variable along with their probabilities. Graphs and mathematical formulas can both be used to represent the probability distribution.Hence, A description of the distribution of the values of a random variable and their associated probabilities is called a Probability Distribution.
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NEED THIS DONE ASAP !! PLEASE
A: All real numbers greater than 0
B: All real numbers
C: All real numbers between -5 and 4
D : All real numbers greater than -2
Answer:
B: All real numbers
Step-by-step explanation:
Check the attached image for explanation.
Hope it helps.a positive five-digit integer is in the form $ab,cba$; where $a$, $b$ and $c$ are each distinct digits. what is the greatest possible value of $ab,cba$ that is divisible by eleven?
The required positive five-digit integer of the form ab,cba; which should be divisible by 11 is 87,978
Explain the divisibility test of 11.
For a number to be divisible by 11, the difference between the sum of its odd digits (1st, 3rd, 5th...) and the sum of its even digits (2nd, 4th...) must be divisible by 11.
Calculation for the positive five-digit integer of the form ab,cba to be divisible by 11
Required 5 digit number is of the form, ab,cba
Using the divisibility test of 11, we get
(b + b) - (a + c + a) to be divisible by 11
i.e. 2b - (2a + c) to be divisible by 11
Replacing ab,cba using the greatest numbers, such as 7, 8 and 9 and checking its divisibility with 11
78,987 = 2*8 - (2*7 + 9) = 16 - (14 + 9) = 16 - 23 = -7 NO
87,978 = 2*7 - (2*8 + 9) = 14 - (16 + 9) = 14 - 25 = -11 YES
79,897 = 2*9 - (2*7 + 8) = 18 - (14 + 8) = 18 - 22 = -4 NO
97,879 = 2*7 - (2*9 + 8) = 14 - (18 + 8) = 14 - 26 = -12 NO
89,798 = 2*9 - (2*8 + 7) = 18 - (16 + 7) = 18 - 23 = -5 NO
98,789 = 2*8 - (2*9 + 7) = 16 - (18 + 7) = 16 - 25 = -9 NO
Thus, a positive 5-digit number is 87,978
Hence, the required positive five-digit integer of the form ab,cba; which should be divisible by 11 is 87,978
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A prize at an arcade costs 545 tickets. You have 435 tickets, and your friend has
690 tickets. Can you buy the prize when your friend gives you 1/6 of their tickets?
Explain.
Q5 A rectangular pyramid is mounted on a rectangular prism as shown in the figure. Find
the surface area of the solid formed.
10 ft
Aft
3 ft
4ft
Answer: 164 ft^2
Step-by-step explanation:
l=length. w=width. h=height. SA=surface area
SA=2(l*w)+2(l*h)+2(w*h)
SA=2(10*3)+2(10*4)+2(3*4)
SA=2(30)+2(40)+2(12)
SA=60+80+24
SA=140+24
SA=164 ft^2
Help step by step pls someone man
F+ 2 1/2 < - 2
The solution to the given inequality is: F < -9/2.
What is the solution to the given inequality?The inequality is given by:
F + 2 and 1/2 < -2.
First we have to realize the conversion of the mixed number to fraction, as follows:
2 and 1/2 = 2 + 1/2 = 4/2 + 1/2 = 5/2
Hence the inequality is:
F + 5/2 < -2
F < -2 - 5/2
F < -4/2 - 5/2
F < -9/2.
The solution to the given inequality is: F < -9/2.
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eli uses the factor theorem to determine whether x−2 is a factor of 6x5−22x2 11x−126.how does he proceed to the correct answer?
Answer:
Hello,
Step-by-step explanation:
[tex]P(x)=6x^5-22x^2+11x-126\\\\P(2)= 6*2^5-22*2^2+11*2-126=0\\\\x-2\ is\ well\ a \ factor\ of\ P(x).\\\\\begin{array}{c|ccccccc}&x^5&x^4&x^3&x^2&x&1\\---&---&---&---&---&---&---\\&6&0&0&-22&11&-126\\x=2&&12&24&48&52&126\\---&---&---&---&---&---&---\\&6&12&24&26&63&0\end {array}\\\\P(x)=6x^5-22x^2+11x-126=(x-2)*(6x^4+12x^3+24x^2-26x+63)\\[/tex]
(5-cosecB) (2 cosecB +4)
Answer:
Correct options are A) , B) , C) and D)
secA=
8
17
⇒cosA=
17
8
⇒sinA=±
17
15
cscB=
4
5
⇒sinB=
5
4
⇒cosB=±
5
3
Now cos(A+B)=cosAcosB−sinAsinB
⇒cos(A+B)=
17
8
.
4
5
−(±
17
15
.±
5
3
)=±
85
36
or ±
85
84
∴sec(A+B)=±
36
85
,±
84
85
kurt busch won the daytona 500 (mile) race with a rate of 143.187 mph in 2017. find his time to the nearest thousandth
The time taken to finish the race is 3.49 hours
Speed is defined as. The rate of change of position of an object in any direction. Speed is measured as the ratio of distance to the time in which the distance was covered.
Given,
The total distance = 500 miles
The speed = 143.187 mph
We know, Speed = Distance / Time
Time = Distance / Speed
Substitute the values
Time = [tex]\frac{500}{143.187}=3.49[/tex] hours
Hence, the time taken to finish the race is 3.49 hours
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A group of students is asked if they travel; to school by car, students travelling by car = 14 students not travelling by car=11 what percentage of these students do not travel to school by car?????
Answer: 44%
Step-by-step explanation:
To find the percentage of students who do not travel by car, we first need to find the total number of students.
14 + 11 = 25
So out of the total of 25 students, 11 do not travel by car, so to find that percentage we will divide the number that do not travel by car by the total number.
11/25 = 0.44
We have the percentage as a decimal. To convert the decimal to a percent we multiply it by 100.
0.44 x 100 = 44%
7 of 107 of 10 items question ben went to the hardware store and bought 15 pieces of rope of equal length. the total length of the ropes was 326.7 meters. how long was each rope?
Answer:
The Correct answer is 21.78 meters
Step-by-step explanation:
Simply divide 326.7 ÷ 15 and it will leave you with 21.78
If the points A, B, and C are clinear with B between A and C, and if AC = 21 and AB = 7, what is the
length of line segment BC?
BC=
Answer: BC=14
Subtract AC by AB. Just learned this in Geomatry.
4x = 16
Step by step please
Pre algebra
Answer:
Step-by-step explanation:
Just divide four into sixteen. You should get x=4. To check, multiply 4 by 4 (4 x 4), and you should get 16.
dana walk 350 meter to school enevy day how many kio
Answer:
2.1
Step-by-step explanation:
please help! i have PE in a bit!
Answer:
the answer is D (-2 + 4)
Step-by-step explanation:
the lower line shows -2 and the higher one shows +4
Question 1
-3 log x
O Bounded Above
O Not Bounded
O Bounded Below
O Bounded
Bounded
Bounded function
In mathematics, a function f is referred to as being bounded if the set of its values is bounded and it is defined on a set X with real or complex values. In other words, there is a real number M such that for all x in X, displaystyle |f(x)|leq M|f(x)|le M. Unbounded functions are those that are not bounded. The function is said to be bounded (from) above by A if f is a real-valued function and f(x) A for all x in X. The function is said to be bounded (from) below by B if f(x) B for all x in X. If and only if it is bounded from above and below, a real-valued function is said to be bound.
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The table shows the numbers y of students absent from school x days after a flu outbreak.
Write a function that models the data.
Use the model to approximate the number of students absent 10 days after the outbreak.
A scatter plot is also referred to as scatter chart, scatter diagram or scattergram and it can be defined as a type of graph which is used for the graphical representation of the values of two (2) variables, with the resulting points showing any association (correlation) between the data set.
What is a quadratic function?A quadratic function can be defined as a mathematical expression (equation) that can be used to define and represent the relationship that exists between two or more variable on a graph.
In Mathematics, the standard form of a quadratic equation is given by;
ax² + bx + c = 0
By critically observing the graph (see attachment) which models the data in the given table, we can infer and logically deduce that the polynomial function is given by:
y = -0.4908x² + 5.8845x + 1.3572
For the number of students that are absent 10 days after the outbreak, we have:
y = -0.4908(10)² + 5.8845(10) + 1.3572
y = -0.4908(100) + 58.845 + 1.3572
y = -49.08 + 58.845 + 1.3572
y = 11.12 ≈ 11 students.
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Parker says that any two congruent acute triangles can be arranged to make a rectangle. Tamika says that only two congruent right triangles can be arranged to make a rectangle. Is either of them correct? Explain your reasoning.
The statement of Tamika is correct.
How many congruent triangles do you need?Recall that we designate an angle as a place where two line meet. The magnitude of the angle could be measured by the use of a compass. A right angle triangle is a triangle that has an angle of ninety degrees as one of the angles.
Let us keep in mind that all the sides of a rectangle must have an angle of ninety degrees. This is because the sum of the angles in a rectangle must sum up to a total of three hundred and sixty degrees.
Having said that; when we consider the statements of the two persons and reason that if we have two right angled triangles, we could be able to make a rectangle because the four right angles that are required could be cut out of the two congruent right angled triangles. This implies that the statement of Tamika is correct.
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Gabrielle is 7 years younger than Mikhail. The sum of their ages is 67. What is Mikhail‘a age
Answer:
Step-by-step explanation
Mikhail is 37
Gabrielle is 30
37+30= 67
I have a math question, try not to get it wrong
Answer: c
Step-by-step explanation: it is a rational number because it repeats
At 6am, the temperature started
at -2°F. At 10am the temperature
increased by 8°. The last recorded
temperature of the day at 4pm
was 11°F. What was the recorded
temperature at 10am?
Answer:
6°
Step-by-step explanation:
It started at -2°f and increased b 8° so 2 of those degrees get you back to 0°f and the remains is 6 so 6°
50% don't smoke, 20% light smokers, 30% heavy smokers heavy smokers twice as likely to die as light smokers, light smokers twice as likely to die as nonsmokers probability of being a heavy smoker given person died?
The probability of person being a heavy smoker given person died is 0.57 .
Baye's Theorem helps in finding the probability of any event A given that event B has already occurred.
For Example the probability of event A given that event B has already occurred is denoted by
[tex]P(A/B)=\frac{P(B/A)P(A)}{P(B)}[/tex]
In the given question
Let H denoted heavy smokers , L denote Light smokers , N denote Non smokers.
Given the probability of non smokers P(N) = 50%=0.5
the probability of light smokers P(L)=20%=0.2
the probability of heavy smokers P(H)=30%=0.3
let P(D/H) denoted the person died given he was a heavy smoker.
let P(D/L) denoted the person died given he was a light smoker.
let P(D/N) denoted the person died given that he was a non smoker.
According to question
"heavy smokers twice as likely to die as light smokers" means
P(D/H)=2P(D/L)......(1)
and "light smokers twice as likely to die as nonsmokers" means
P(D/L)=2P(D/N)
On simplifying we get
[tex]P(D/N)=\frac{1}{2} P(D/L)\\ \\ P(D/N)=0.5 P(D/L)[/tex].....(2)
According to Baye's Theorem
[tex]P(H/D)=\frac{P(D/H)P(H)}{P(D/N)P(N)+P(D/L)P(L)+P(D/H)P(H)}[/tex]
Substituting values of P(D/H) from ...(1) and values of P(D/N) from ....(2)
we get [tex]P(H/D)=\frac{2*P(D/L)P(H)}{0.5*P(D/L)P(N)+P(D/L)P(L)+2*P(D/L)P(H)}[/tex]
taking P(D/L) common from each term
[tex]P(H/D)=\frac{P(D/L)}{P(D/L)} (\frac{2*P(H)}{0.5*P(N)+P(L)+2*P(H)})[/tex]
[tex]P(H/D)= (\frac{2*P(H)}{0.5*P(N)+P(L)+2*P(H)})[/tex]
Substituting the values of P(N), P(H), P(L) from above we get
[tex]P(H/D)= (\frac{2*(0.3)}{0.5*(0.5)+(0.2)+2*(0.3)})[/tex]
[tex]P(H/D)= (\frac{0.6}{0.25+0.2+0.6})[/tex]
=[tex]\frac{0.6}{1.05}=0.57[/tex]
Therefore , the probability of person being a heavy smoker given person died is 0.57 .
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Use prime factors to find the H.C. F and
L.C.M
-168 and 196
-150 and 180
(Refer to the table given below)
So,
LCM of 168 and 196: 1176LCM of 150 and 180: 900Then,
HCF of 168 and 196: 28HCF of 150 and 180: 30Therefore,
LCM of 168 and 196: 1176LCM of 150 and 180: 900HCF of 168 and 196: 28HCF of 150 and 180: 30Know more about LCM here:
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Simplify 3x-2y+7-2x-2x -y-5
Answer:
-x - 3y + 2
Step-by-step explanation:
sorry explain to long if you want it here a pic
What is the value of (3.5)3?
9.15
10.5
17.9
42.875
Answer:Your answer is 10.5
Step-by-step explanation:Multiply 3.5 by 3 and you get 10.5.
5p+4p=7 how do I solve the equation with two variables
Answer:
7/9
Step-by-step explanation:
Combine the two variables: 9p = 7
Then do 7 / 9
What is the value of 2|2-9|-3(5+2)2∣2−9∣−3(5+2) ? A. -35 B. -27 C. -18 D. -8 E. -7
Answer:
Step-by-step explanation:
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kjhbhyjg';pjpo jiou; mnhbgvdfhj9y fgxjibt f drztf dd hj bvgsuppose that the probability that a randomly selected person who has recently married for the first time will be divorced within 5 years is 0.2, and that the probability that a randomly selected person who has recently married for the second time will be divorced within 5 years is 0.30. take a random sample of 10 people married for the first time and 10 people married for the second time. the sample is chosen such that no one in the sample is married to anyone else in the sample. why is the binomial model inappropriate for finding the probability that exactly 4 of the 20 people in the sample will be divorced within 5 years? list all of the binomial conditions that are not met.
The binomial is a unique type of discrete random variable. If ALL four of the following conditions are met, our experiment is a binomial experiment: it consists of n identical trials.
What do you mean by the term binomial condition?One of the two outcomes, known as success or failure, arises from every try. From trial to trial, the likelihood of success, given by the symbol, stays constant. There are n independent trials. The binomial distribution is a probability distribution that summarizes the possibility that a value will take one of two independent values under a given set of parameters or assumptions, which means the result of each trial has no bearing on the results of the others. The fundamental presumptions of the binomial distribution are that there is only one possible result for each trial, that each trial has the same success probability, and that each trial is independent of the others or mutually exclusive.
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A frame 2 inches wide surrounds a painting that is 18 inches wide and 14 inches tall. What is the area of the frame?
A 68 in²
B 84 in²
C 144 in²
D 252 in²
E 396 in²
The area of the frame is D. 252 in².
How to calculate the area?It should be noted that the frame 2 inches wide surrounds a painting that is 18 inches wide and 14 inches tall.
The area will be:
= Length × Width
= 18 × 14
= 252 in²
The area is 252 inches².
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Simplify 5 · P · 2.
A. 10P
B. 52P
C. 7P
Answer:
Step-by-step explanation:
5 x 2 = 10
Pretty sure this is right but I'm not 100 percent sure!
Answer: 10P ==> A
Step-by-step explanation:
5 · P · 2= 5 · 2 · P ==> Commutative property of multiplication
5 · 2 · P=
10 · P=10P ==> A