Answer:
The answer for 17x10^8 is 1,700,000,000 and the answer for 4x10^8 is 400,000,000
subtract them.
Hope that helps you out!
The area of square ABCD is 10
cm².
3 cm
x cm
D
3 cm
x cm
B
C
Show that x² + 6x = a where a is
a constant to be found.
The equation of the area of the square is x² + 6x = 1, it is in the form x² + 6x = a where a is 1 and a constant to be found.
What is square?A regular quadrilateral is square. A square has equal lengths on each of its four sides and angles. Each of the four angles is 90 degrees, or a right angle. The two adjacent sides of a square are equal in length, making it a particular instance of a rectangle.
Its attributes are: Each of its four sides is the same length.
Each of its four angles has the same dimensions.
At right angles, or 90°, the two diagonals split in half.
A square has two opposed sides that are equally long and parallel.
A square's diagonal lengths are equal.
The length of the side of the given square is 3 + x.
The area of the square is given as:
A = (s)(s)
Substituting the value of the side and area we have:
10 = (3 + x)(3 + x)
10 = 9 + 3x + 3x + x²
x² + 6x = 10 - 9
x² + 6x = 1
Hence, the equation of the area of the square is x² + 6x = 1, it is in the form x² + 6x = a where a is 1 and a constant to be found.
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-4x +8 > -16
PLEASE HELP
ASSIGNMENT DUE TODAY
According to the question the solution to the inequality is x < 6.
What is inequality?Inequality is the unequal distribution of resources, rights, and opportunities among individuals or groups in a society. It is a form of systemic injustice that can take on many forms, such as economic, social, and political. Economic inequality is when people have unequal access to resources such as wealth, income, and education; social inequality is when people have unequal access to social opportunities and resources such as political power, public services, and health care; and political inequality is when people have unequal access to the political process and decision-making, such as voting rights and other forms of representation.
To solve this inequality, we need to isolate the variable on one side. First, let's subtract 8 from both sides:
-4x + 8 > -16
-4x > -24
Now, divide both sides by -4:
-4x/-4 > -24/-4
x < 6
Therefore, the solution to the inequality is x < 6.
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A bird flies from the bottom of a canyon that is 72 1/2 feet below sea level to a nest that is 719 2/5 feet above sea level. What is the difference in elevation between the bottom of the canyon and the bird's nest?
Answer:
The difference in elevation between the bottom of the canyon and the bird's nest is the sum of the depths, which is:
72 1/2 + 719 2/5
To add these two mixed numbers, we first convert them to improper fractions:
72 1/2 = 145/2
719 2/5 = (3595/5) + (2/5) = 3597/5
Now we can add them:
145/2 + 3597/5
To add fractions with different denominators, we need to find a common denominator. The smallest common multiple of 2 and 5 is 10, so we can rewrite the fractions with a denominator of 10:
145/2 × 5/5 = 725/10
3597/5 × 2/2 = 7194/10
Now we can add the fractions:
725/10 + 7194/10 = 7929/10
Finally, we can simplify the fraction and convert it back to a mixed number:
7929/10 = 792 9/10
Therefore, the difference in elevation between the bottom of the canyon and the bird's nest is 792 9/10 feet.
Andrew
collects coins
.
He collected a total of 275
coins
.
If 68
%
of the coins
he collected were foreign, how many other coins
did he collect?
Answer:
88
Step-by-step explanation:
METHOD 1:
Find 68% of 275:
275 * 0.68 = 187
Subtract 187 from the total:
275 - 187 = 88 coins
METHOD 2:
100% - 68% = 32%
Find 32% of total:
275 *0.32 = 88 coins
An economist is interested in testing the significance of the correlation between two variables. A sample of data of size 40 is collected and the sample correlation coefficient is 0.4165. What decision does the economist make, if the test is performed at the 5% level of significance?
a. The test statistic has the value 2.824 and hence the correlation is significant
b. The test statistic has the value 3.361 and hence the correlation is significant
c. The test statistic has the value 2.824 and hence the correlation is not significant
d. none of the above
The correct answer is Option c. The test statistic has the value 3.361 and hence the correlation is significant. Since the test statistic (2.824) is lower than the critical value (2.824), the correlation is not significant.
The sample correlation coefficient, r, estimates the population correlation coefficient, ρ. It indicates how closely a scattergram of x,y points cluster about a 45° straight line.
The test statistic has the value 2.824 and hence the correlation is not significant. To test the significance of the correlation, the economist needs to compare the sample correlation coefficient to the critical value of the correlation coefficient. In this case, the critical value of 0.4165 with a sample size of 40 and a 5% level of significance is 2.824.
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There are 3 julia’s and 2 of them get up ducted by Jayden. How many Julia’s are left?
Answer:
Step-by-step explanation:
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⣿⣿⣿⣿⣿⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢺⣿
⣿⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠆⠜⣿
⣿⣿⣿⣿⠿⠿⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠻⣿⣿
⣿⣿⡏⠁⠀⠀⠀⠀⠀⣀⣠⣤⣤⣶⣶⣶⣶⣶⣦⣤⡄⠀⠀⠀⠀⢀⣴⣿
⣿⣿⣷⣄⠀⠀⠀⢠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⡧⠇⢀⣤⣶
⣿⣿⣿⣿⣿⣿⣾⣮⣭⣿⡻⣽⣒⠀⣤⣜⣭⠐⢐⣒⠢⢰
⣿⣿⣿⣿⣿⣿⣿⣏⣿⣿⣿⣿⣿⣿⡟⣾⣿⠂⢈⢿⣷⣞
⣿⣿⣿⣿⣿⣿⣿⣿⣽⣿⣿⣷⣶⣾⡿⠿⣿⠗⠈⢻⣿
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⣿⣿⣿⣿⣿⣿⡿⠀⠀⢸⣿⣿⠀⠀⠣⠀⠀⠀⠀⠀⡟⢿⣿
⣿⣿⣿⡿⠟⠋⠀⠀⠀⠀⠹⣿⣧⣀⠀⠀⠀⠀⡀⣴⠁⢘⡙
⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⢿⠗⠂⠄⠀⣴⡟⠀⠀⡃
Answer:
1
Step-by-step explanation:
3 - 2 = 1
(1) Christine buys a lawn mower priced at $63 Shipping and handling are an additional 10% of the price How much shipping and handling will Christine pay?
Christine will pay $6.30 for shipping and handling for the lawn mower.
To find the amount of shipping and handling Christine will pay, we can use the formula:
Shipping and Handling = Price x 10%
Substituting the given values into the formula, we get:
Shipping and Handling = $63 x 10%
Simplifying the equation, we get:
Shipping and Handling = $6.30
Therefore, Christine will pay $6.30 for shipping and handling for the lawn mower.
The percentage represents a certain amount, expressed as a fraction of 100 equal parts.
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Mark invested $3,200 at 7% simple interest. How much interest did his account earn at the end of the four years
[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$3200\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ t=years\dotfill &4 \end{cases} \\\\\\ I = (3200)(0.07)(4) \implies I = 896[/tex]
What are the side lengths of CB and DB
The value of CB and DB are 3.25 and 5.2
What are similar triangles?Similar triangles are triangles that have the same shape, but their sizes may vary. All equilateral triangles, squares of any side lengths are examples of similar objects. In other words, if two triangles are similar, then their corresponding angles are congruent and corresponding sides are in equal proportion.
CA = √ 4²+3²
CA = √ 16+9
CA = √ 25
CA = 5
represent DB by x
5/3+x = 4/5
25 = 4(3+x)
3+x = 25/4
3+x = 6.25
x = 6.25 - 3
x = 3.25
represent CB by y
y² = 3.25² + 4²
y²= 10.56+16
y² = 26.56
y = √ 26.56
y = 5.2
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Convert these polar coordinates to rectangular coordinates. Make sure to show your work.
a.) (2, 3pi/2)
b.) (1, 5pi/6)
The rectangular coordinates of the polar coordinates are as follows:-
a) x = 0 and y = ( -2 )
b) x = ( -√3/2 ) and y = 1
How to convert these polar coordinates to rectangular coordinates?To convert these polar coordinates to rectangular coordinates, we calculate the following,
a) ( 2, 3π/2 ) :
r=2 ; θ = 3π/2
x = r * cosθ
x = 2 * cos( 3π/2 )
x = 2 * 0
Therefore, x = 0
y = r * sinθ
y = 2 * sin( 3π/2 )
y = 2 * ( -1 )
Therefore, y = ( -2 )
b) ( 1, 5π/6 ) :
r = 1 ; θ = 5π/6
x = r * cosθ
x = 1 * cos( 5π/6 )
x = 1 * ( -√3/2 )
Therefore, x = ( -√3/2 )
y = r * sinθ
y = 2 * sin( 5π/6 )
y = 2 * ( 1/2 )
Therefore, y = 1
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Which of the following sets represents the solution of the equation below?
-3/2x² = x+1
For the equation -3/2x² = x + 1 the solution set is option D: {(-1 + √5)/3, (-1 - √5)/3}.
What is an equation?
A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").
To solve the equation -3/2x² = x + 1, we need to move all the terms to one side to get a quadratic equation in standard form.
We can do this by adding 3/2x² and subtracting 1 from both sides -
-3/2x² - x - 1 = 0
To solve this quadratic equation, we can use the quadratic formula -
x = (-b ± √(b² - 4ac)) / 2a
where a = -3/2, b = -1, and c = -1.
Substituting these values, we get -
x = (-(-1) ± √((-1)² - 4(-3/2)(-1))) / 2(-3/2)
x = (1 ± √(1 - 6)) / (-3)
x = (1 ± √5) / (-3)
So the set of solutions for the equation is -
{(-1 ± √5) / 3, (-1 ± √5) / 3}
Therefore, the answer is option {(-1 + √5)/3, (-1 - √5)/3}.
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Slope intercept I need help
A rocket is launched from the top of a 200-foot tall cliff with an initial velocity of 120 feet per second. The height, h, of the rock at time t seconds after it was launched can be modeled by the equation h = -16t2 + 120t + 200. Once the rocket reaches its maximum height, how long will it take to reach the ground? Round to the nearest tenth of a second.
By answering the above question, we may infer that The rocket will thus equation touch down 2.5 seconds after it was fired (to the nearest tenth of a second).
What is equation?A mathematical equation links two statements and utilises the equals sign (=) to indicate equality. In algebra, an equation is a mathematical assertion that proves the equality of two mathematical expressions. For instance, in the equation 3x + 5 = 14, the equal sign separates the numbers by a gap. A mathematical formula may be used to determine how the two sentences on either side of a letter relate to one another. The logo and the particular piece of software are usually identical. like, for instance, 2x - 4 = 2.
Hence, we may solve for t by setting the equation for h equal to 0:
[tex]-16t^2 + 120t + 200 = 0\\2t^2 - 15t - 25 = 0\\(-b \sqrt(b2 - 4ac)) / 2a[/tex]
where a=2, b=15, and c=25
[tex]t = (15 \sqrt(625)) / 2(2) (-(-15) \sqrt((-15)2 - 4(2)(-25))) / 4\st = (15 + 25) / 4[/tex]
T thus equals 10/2 or -5/2. Time cannot be negative, thus we may ignore the negative number.
The rocket will thus touch down 2.5 seconds after it was fired (to the nearest tenth of a second).
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A sequence of values can be generated by using the equation a n =a (n-1) +12 represents the sequence of values? where a_{1} = 7 and is a whole number greater than Which table
Therefore , the solution of the given problem of equation comes out to be every term in this sequence will be a whole number greater than 7.
What is equation?Variable words are commonly used in complex algorithms to show consistency between two contradictory claims. Academic expressions called equations are used to show the equality of various academic numbers. In this case, normalization produces a + 7 as opposed to a different algorithm that splits 12 into two parts and can evaluate data received from x + 7.
Here,
The given equation can be used to create a table of values for this sequence, beginning with a1 = 7:
n an
1 7
2 19
3 31
4 43
5 55
6 67
7 79
8 91
9 103
10 115
... ...
We multiply the first term of the sequence by a factor of 1 and add 12 to determine each succeeding term.
=> a2 = a1 + 12 = 7 + 12 = 19
Similarly, we enter n = 3 and a2 = 19 to determine a3:
=> a3 = a2 + 12 = 19 + 12 = 31
so forth.
Because a1 is a whole number greater than 7 and each term in the sequence is obtained by adding 12 to the preceding term,
it should be noted that every term in this sequence will be a whole number greater than 7.
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All multiples of 2 are even numbers true or false
Answer:
That is true.
Answer: True
Step-by-step explanation:
due to the fact that its 2 and every time you multiply by the factor itll equal a even number
The Sugar Sweet Company will choose from two companies to transport its sugar to market. The first company charges $2804 to rent trucks plus an additional
fee of $100.50 for each ton of sugar. The second company does not charge to rent trucks but charges $275.75 for each ton of sugar.
For what amount of sugar do the two companies charge
the same?
What is the cost when the two companies charge the
same?
Answer:
16 tons$4412Step-by-step explanation:
We can rewrite the situation using cost equations for the two companies
If c1 and c2 represent the total costs for companies 1 and 2 respectively and w the weight of sugar transported
For the first company we have
c1 = 2804 + 100.50w
For the second company
c2 = 275.75w
Costs are the same when c1 = c2
or
2804 + 100.50w = 275.75w
To Solve:
Subtract 100.50w from both sidesAt 16 tons of sugar, the costs will be the same for both companies
At this tonnage, the cost is
275.75 x 16 = $4412
A cluster sample will:
Select one:
a. Seek views from a heterogeneous group in the population
b. Seek views from a homogeneous group in the population
c. Seek views from any group in the population
d. Seek views from everyone who attends a group discussion
A cluster sample will: b. Seek views from a homogeneous group in the population
A cluster sample is a type of sampling method where the entire population is divided into groups, or clusters, and a random sample of these clusters are selected for the study. Each cluster is typically a homogeneous group, meaning that the individuals within the cluster are similar to each other in some way. For example, a cluster sample might be used to study the opinions of students at a particular school, where each class is a cluster and a random sample of classes are selected for the study. By selecting a homogeneous group, the researcher can ensure that the sample is representative of the population and can generalize the results to the larger population.
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Jiang is building a doghouse for her new puppy. The image is what the base of the house will look like. What is the area of the dog bed that Jiang will need to make to fit the entire base of the dog house
Answer:
Third Option
84 cm²
Step-by-step explanation:
Split the composite figure into two rectangles as shown in the figure
One rectangle has length 12 and width 5 giving an area of 12 x 5 = 60
The other rectangle has length 6 and width 4 giving an area of 6 x 4 = 24
Total area = 60 + 24 = 84 cm²
Third Option
What is the volume of 9/5x2/3
The volume of 9/5x2/3x is 2/15.
What is volume?Volume is the amount of space an object or substance occupies or contains. It is measured in three-dimensional space and is often given in cubic units such as cubic centimeters, cubic meters, and cubic millimeters. Volume is an important concept in physics, chemistry, and other sciences, and is used to describe the size of all kinds of substances, from solids, liquids, and gases to particles and energy fields. Volume is also used to compare the relative sizes of different objects, and to measure the capacity of containers.
To calculate this, we first need to multiply 9/5 and 2/3 together. This gives us 18/15. Then, we multiply this by x. This gives us 2/15x. Therefore, the volume of 9/5x2/3x is 2/15.
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Which graph represents the table?
The ratio of raisins to al monds.
is 2:10.
What is the percent of the raisins in this
mix of raisins and almonds?
Answer:16.67%.
Step-by-step explanation:
The ratio of raisins to almonds is 2:10, which can be simplified to 1:5.
This means that for every 6 parts of the mix, 1 part is raisins.
To find the percentage of raisins in the mix, we need to divide the amount of raisins by the total amount of mix, and then multiply by 100 to convert to a percentage.
So if we let x be the total amount of mix (in any unit of measurement), then the amount of raisins is (1/6)x.
The percentage of raisins in the mix is:
[(1/6)x / x] x 100% = 16.67%
Therefore, the percent of the raisins in the mix is 16.67%.
-7x + 6y = 34
7x+ 4y =-24
Answer:
x= -4
y=1
Step-by-step explanation:
-7x + 6y = 34
7x+ 4y =-24
You would add them up together
-7 +7x cancels out. 6y+4y = 10y
34+ (-)24 = 34 - 24 = 10
y= 1
substitute y
7x + 4 = -24
7x= -28
x=-4
Step-by-step explanation:
what is the question ?
to solve this system of 2 equating in 2 variables ?
if so, we start by adding both equations :
-7x + 6y = 34
7x + 4y = -24
----------------------
0 + 10y = 10
y = 1
with that we go into one of the original equations (it did not matter which one, I like the second better) :
7x + 4×1 = -24
7x + 4 = -24
7x = -28
x = -4
Alice is riding the train to her job in Paris, France.
She accidentally purchased a ticket for zone 4, but she is
travelling to zone 5. She has decided to risk it and stay on the train until zone 5 with the incorrect ticket. If the
transit authorities check tickets on the train, she will have to pay a fine.
Alice estimates that there is a 5% chance that the transit authorities will check tickets. The fine for having the
wrong ticket is 300 euros. The ticket she purchased cost her 5 euros.
Find the total expected cost of Alice's train ride.
The total expected cost of Alice's train ride will be 20 Euro with a fine of 300 Euro if ticket checked and 0 fine if ticket not checked.
It is known to us that Alice is riding the train, and that she accidentally purchased a ticket for zone 4, although she has to be traveling to zone 5,
with this we need to find how much money can Alice expect to pay
since we know that there is a 5 percent chance that the transit authorities will check tickets,
Probability to check ticket = 5/100 = 0.05
fine = 300 euro
probability to not check ticket = 1 - 0.05 = 0.95
we know that she has already spent 5 Euro on the ticket,
there is a 300 Euro fine if ticket checked,
and 0 fine if ticket not checked,
Expected cost to pay = 5 + 0.05 × 300 + 0.95 × 0
= 5 + 15 + 0
= 20 Euro
Alice Expected to Pay = 20 Euro
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5. Using the binomial theorem and patterns in Pascal's triangle, simplify each of the following. a)
9
C 0
+ 9
C 1
+…+ 9
C 9
b)
12
C 0
− 12
C 1
+ 12
C 2
−…− 12
C 11
+ 12
C 12
c)
r=0
∑
15
15
C r
d)
r=0
∑
n
n
C r
11. Use 6. If
r=0
∑
n
n
C r
=16384
, determine the value of
n
. 7. a) Write formulas in combinatorial form for the following. (Refer to section
4.4
, if necessary.) i) the sum of the squares of the terms in the
n
th row of Pascal's triangle ii) the result of alternately adding and
The result of alternately adding and subtracting the terms in the nth row of Pascal's triangle is given by the formula
[tex]n C 0 - n C 1 + n C 2 - ... + (-1)^n \times n C n = 0.[/tex]
The binomial theorem and patterns in Pascal's triangle can be used to simplify the given expressions.
Here are the simplified versions of each expression:
9 C 0 + 9 C 1 +…+ 9 C 9 = 2^9 = 512
12 C 0 − 12 C 1 + 12 C 2 −…− 12 C 11 + 12 C 12 = 0
r=0 ∑ 15 15 C r = 2^15 = 32768
r=0 ∑ n n C r = 2^n
If r=0 ∑ n n C r = 16384, then [tex]2^n[/tex] = 16384, so n = 14.
The sum of the squares of the terms in the nth row of Pascal's triangle is given by the formula:
[tex](n C 0)^2 + (n C 1)^2 + ... + (n C n)^2 = 2^{(2n-1).[/tex]
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PLLLEASEEEEEE HELLLLPPPPPPPPPPPPPPPPPP
Answer: D, 912
Step-by-step explanation:
g(21) = 24 (21 + 17)
g(21) = 24 x 38
g(21) = 912 (Use your calculator for this part)
Ellie can cover 2 books in 5 minutes. How many books can she cover in half hour?
In half an hour, Ellie can cover 12 books.
To find out how many books Ellie can cover in half an hour, we need to use proportions.
We know that Ellie can cover 2 books in 5 minutes, so we can set up a proportion like this:
2 books / 5 minutes = x books / 30 minutes
Cross-multiplying and solving for x, we get:
5 minutes * x books = 2 books * 30 minutes
5x = 60
x = 12
So, Ellie can cover 12 books in half an hour.
To summarize, if Ellie can cover 2 books in 5 minutes, we can find out how many books she can cover in half an hour by dividing the total time (30 minutes) by the time it takes her to cover 2 books (5 minutes) and then multiplying the result by the number of books she can cover in 5 minutes (2). This gives us 12 books, which is the number of books Ellie can cover in half an hour.
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determine how many positive real zeros the polynomial function may nave. f(x)=-7x^(7)+x^(3)-x^(2)+1
The possible number of positive real zeros for the given polynomial function is 2 or 0.
To determine how many positive real zeros the polynomial function may have, we can use Descartes' Rule of Signs.
Descartes' Rule of Signs states that the number of positive real zeros of a polynomial function is equal to the number of sign changes in the coefficients of the terms, or less than that number by an even integer.
In the given polynomial function, f(x)=-7x^(7)+x^(3)-x^(2)+1, there are two sign changes in the coefficients of the terms: from -7 to +1 and from +1 to -1.
Therefore, the polynomial function may have 2 positive real zeros or 2-2=0 positive real zeros.
So, the possible number of positive real zeros for the given polynomial function is 2 or 0.
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FOR THE FOLLOWING TABLE ANSWER THESE PROBABILITY QUESTIONS MATH(M) ENGLISH(E) HISTORY(H) BIOLOGY(B) TOTALS 15 22 13 18 68 FRESHMAN(F) SOPHOMORE(S) 14 20 29 16 79 18 15 23 22 78 JUNIOR(J) SENIOR(SE) 26 10 8 24 68 TOTALS 73 67 73 80 293 1. FIND P(MUF) = 2. FIND (B) = 3. FIND (E/)) = 4. FIND (ENS) 5. FIND (MUJUH) = FIND P(SEUM) = 7. FIND P(F/B) = 8. FIND P(AUB), IF P(A)=.4 AND P(B)= 35 AND P(A) AND P(B) ARE INDEPENDENT 9. IF YOU NEED TO PICK 5 NUMBERS OUT OF 30 TO WIN A LOTTERY AND ORDER DOES NOT MATTER WHAT IS YOUR CHANCE OF WINNING ON THE FIRST TRY 10. WHAT IF ORDER OF THE NUMBERS YOU CHOOSE MATTERS? WHAT IS THE PROBABILITY THEN? =
The probability of winning on the first try is 0.000003426 .
P(MUF) = P(M) + P(F) - P(M and F) = 73/293 + 79/293 - 14/293 = 138/293
P(B) = 80/293
P(E/S) = P(E and S)/P(S) = 20/293 / 78/293 = 20/78 = 10/39
P(ENS) = P(E and S and N) = 0 (since there is no N category in the table)
P(MUJUH) = P(M and J and H) = 0 (since there is no intersection of all three categories in the table)
P(SEUM) = P(SE and M) = 10/293
P(F/B) = P(F and B)/P(B)
=> 16/293 / 80/293
=> 16/80
=> 1/5
P(AUB) = P(A) + P(B) - P(A and B)
=> .4 + .35 - (.4 * .35)
=> .595
If order matters, the probability is
(5/30) * (4/29) * (3/28) * (2/27) * (1/26) * 5!
=> 0.00002056
The probability of winning on the first try is
(5/30) * (4/29) * (3/28) * (2/27) * (1/26)
=> 0.000003426
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solve asap
4- Determine whether the variable is discrete or continuous, and determine its level of measurement.
The number of residents in a city
Discrete, interval level
Continuous, interval level
Discrete, ratio level
Continuous, ratio level
11)A pair of dice are rolled. Identify the pair of mutually exclusive events. Getting an even number on the first die; getting a double 5 Getting an odd number on the first die; getting a 4 on the second die Getting a 2 on the first die; getting a sum of 4 Getting a 3 on the first die; getting a sum more than 8
11)A pair of dice are rolled. Identify the pair of mutually exclusive events.
Getting an even number on the first die; getting a double 5
Getting an odd number on the first die; getting a 4 on the second die
Getting a 2 on the first die; getting a sum of 4
Getting a 3 on the first die; getting a sum more than 8
The number of residents in a city is a discrete variable with ratio level of measurement. Therefore, the correct option is option 3. When a pair of dice are rolled, the pair of mutually exclusive events are getting an odd number on the first die; getting a 4 on the second die. Therefore, the correct option is option 2.
The number of residents in a city is a discrete variable because it can only take on whole number values. The level of measurement for this variable is ratio level because there is a true zero point (a city with zero residents) and the differences between values are meaningful. Therefore, the correct answer is discrete, ratio level which is the third option.
Mutually exclusive events are events that cannot occur at the same time. In the case of rolling a pair of dice, the pair of mutually exclusive events is "Getting an odd number on the first die; getting a 4 on the second die." This is because if the first die is an odd number, the second die cannot be a 4 at the same time.
The other options are not mutually exclusive because they can occur at the same time. For example, it is possible to get an even number on the first die and a double 5 at the same time. Therefore, the correct answer is "Getting an odd number on the first die; getting a 4 on the second die" which is the second option.
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10 • e^3x=250
I need to show work
Therefore , the solution of the given problem of expressions comes out to be x = 1.0730 is roughly the answer to the equation 10*e(³ˣ) = 250.
What does an expression precisely mean?When variables are shifting, estimates should be created that mix joining, disabling, and instead of randomly dividing. They could answer a puzzle collectively, offer some information, and instead software. Formulas, elements, and mathematical operations like addition, subtraction, grouping, and combination are all found in a statement of truth. Words and sentences can both be evaluated and analysed.
Here,
In order to find x in the equation 10*e(3x) = 250, we can start by dividing both parts by 10 to isolate the exponential term:
=> e³ˣ = 25
The exponential can then be removed by taking the natural logarithm (ln) of both sides:
=> ln(e(³ˣ) = ln(25)
We can simplify the left half by using the fact that ln(ey) = y:
=> 3x = ln(25)
By multiplying both parts by 3, we can finally find the value of x:
=>x = (1/3) * ln(25)
We can use a computer to determine that the value of ln(25) is roughly 3.2189. Therefore:
=> x ≈ (1/3) * 3.2189
=> x ≈ 1.0730
So x = 1.0730 is roughly the answer to the equation 10*e(³ˣ) = 250.
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