Answer:
= 604800
Step-by-step explanation:
10 permute 7
the order matters
10 x 9 x8 x7 x6 x5 x4
hope this helps
There are approximately 120 ways to choose 7 objects from 10 distinct objects without replacement.
When choosing 7 objects from 10 distinct objects without replacement, we can use the concept of combinations. The number of ways to choose a subset of k objects from a set of n distinct objects without replacement is given by the formula:
C(n, k) = n! / (k! * (n - k)!)
where n! represents the factorial of n (the product of all positive integers up to n).
In this case, we want to choose 7 objects from 10 distinct objects, so n = 10 and k = 7.
C(10, 7) = 10! / (7! * (10 - 7)!)
C(10, 7) = 10! / (7! * 3!)
Now, let's calculate the factorials:
10! = 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1 = 3,628,800
7! = 7 * 6 * 5 * 4 * 3 * 2 * 1 = 5,040
3! = 3 * 2 * 1 = 6
Now, substitute these values back into the formula:
C(10, 7) = 3,628,800 / (5,040 * 6)
C(10, 7) = 3,628,800 / 30,240
C(10, 7) ≈ 120
So, there are approximately 120 ways to choose 7 objects from 10 distinct objects without replacement.
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picture has it all see here
Answer:
The answer is 1/14 (A)
Step-by-step explanation:
Answer:
3/42
Step-by-step explanation:
5/8 of the pie that was left.
There is of an apple pie left from dinner. Tomorrow, Victor plans to eat
7/8
Enter how much of the whole pie he will eat tomorrow.
of the pie that was left.
Answer:
he will eat 35/64 of the whole pie
Step-by-step explanation:
i hope i helped
What is the volume in cubic centimeters of the figure below?
Answer:
so that you will multiply 15 * 4.
Step-by-step explanation:
15*4 = 60 now you divide 60 by 4 and the answer will be 15.
The price of a train ticket consists of an initial fee of $5 plus a fee of $2.75per stop
The inequality that represents this scenario is:
\(5 + 2.75x \le 21\)
The complete question describes the use of word problems to represent inequalities. The $21 means that there is a limit to the number of stops she can take using the train.
From the complete question, we have the following parameters:
Initial Fee = $5
Rate per stop = $2.75
Amount = $21
The inequality that represents the scenario is calculated using:
Initial Fee + Rate * Number of stops <= Amount
We use <= because the total charges must not exceed the amount.
Let the number of stops be x.
The above formula becomes
\(5 + 2.75 * x \le 21\)
\(5 + 2.75x \le 21\)
Hence, the inequality that represents this scenario is:
\(5 + 2.75x \le 21\)
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Answer:
a and 5
Step-by-step explanation:
A bank wants to estimate the difference in the proportion of its "big" customers who have a second account with a different bank and the proportion of its "small" customers who also have an account with another bank. Of the 200 "big" customers randomly selected, 160 claimed to also bank elsewhere. Of the 300 "small" customers randomly selected, 120 claimed to also bank with other banks. Check the conditions for constructing a confidence interval for the difference in proportions.
Answer:
Kindly check explanation
Step-by-step explanation:
To construct confidence interval for difference in proportion ; the following conditions must be met :
1.) The selected samples must have been randomly chosen or selected from a larger population. This is essential in other to eliminate bias.
Each group of samples must be independently chosen. That is, the samples of bug customers chosen must be independent of the sample of small customers selected.
The population from which the samples are drawn must be considerably larger than the sample size. Sample size, n should be ≤ 10% of the population size.
p1 = 160 / 200 = 0.8 ; (1 - p1) = 0.2
p2 = 120 / 300 = 0.4 ; (1 - p2) = 0.6
(p1 - p2) ± Zcritical * sqrt[(p1(1 - p1) /n1) + (p2(1 - p2) / n2)]
Answer: A
Step-by-step explanation:
Substitute x=2 into the function f(x) = 3 +7e^0.58x Use e=2.72 to calculate your answer and give your answer to 2 decimal place
f(2)=
The value of the function when x = 2 is 33.25.
What is exponential function?A function with the formula f(x) = abˣ is an exponential function. A and b are constants, and b is a positive real integer that is greater than zero. The basis b determines how much the function increases or decreases, and x is the exponent or power that raises the base. The function shows exponential growth if b is bigger than 1, whereas the function shows exponential decline if b is between 0 and 1. Many phenomena, including population expansion, compound interest, radioactive decay, and the spread of infectious illnesses, are modelled using exponential functions.
The given function is \(f(x) = 3 +7e^{0.58x}\).
Substitute the value of x = 2 we have:
\(f(2) = 3 + 7(2.72)^{0.58(2)}= 3 + 7(2.72)^{1.16}\)
= 3 + 7(4.464)
= 33.25
Hence, the value of the function when x = 2 is 33.25.
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Find the solution of the system for which
Answer:
3,0,-6,0
Step-by-step explanation:
x1=3 because 3+0+0=3
since x2 and s2=0.
A stadium has 55,000 seats . Seats sell for $28 in Section A
What is twenty% of 1000
Answer:
200
Step-by-step explanation:
Answer:
200
Step-by-step explanation:
Google told me that 20% of 1000 is 200
5h-6-8+7h what’s the answer ?
how many of the 12 vehicles would you expect to use e-zpass? (round your answer to 4 decimal places.)
a) 8 vehicles are expected to use the e-zpass. b) The mode of the distribution is 9.
a)
Here it is given that 70% of vehicles use e-zpass. Since 12 vehicles are randomly selected, the above will be a case of a binomial distribution.
The number of vehicles expected to pass would be the expectation of the distribution
= no. of vehicles X probability of a vehicle having an e-zpass
= 12 X 70/100
= 8.4
= 8
b)
Here we need to find the mode of the distribution. For ths we will make use of a binomial table
In the binomial table we will look for values with n = 12 and p=0.7
Here we see that the maximum probability given is 0.24 which is in correspondence to r = 9.
Hence the mode of the distribution will be 9.
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Complete Question
Image Attached
For what values of a and b is x^64 + ax^b +25 a perfect square for all integer values of x?
For the expression \(x^64 + ax^b + 25\) to be a perfect square for all integer values of x, b must be 64, and a must be a perfect square, written as a = \(y^2.\)
To determine the values of a and b such that the expression\(x^64 + ax^b\) + 25 is a perfect square for all integer values of x, we need to analyze the properties of perfect squares.
A perfect square is an expression that can be written as the square of another expression. In this case, we want the given expression to be in the form of\((x^n)^2,\) where n is an even integer.
Let's examine the given expression: \(x^64 + ax^b\) + 25
For it to be a perfect square, the quadratic term \(ax^b\)must have the same exponent as the leading term\(x^6^4.\) This means b must be equal to 64.
So we have:\(x^64 + ax^64 + 25\)
Now, we can rewrite this as:\((x^32)^2 + 2(x^32) (\sqrt{a}) + (\sqrt{25})^2\)
By comparing this with the standard form of a perfect square, (\(x^n +\sqrt{k} )^2\), we can deduce that √a must be equal to x^32 and \(\sqrt{25}\) must be equal to \(\sqrt{k.}\)
Therefore, we have: \(\sqrt{a} = x^3^2\)and\(\sqrt{25} = \sqrt{k}\)
From the second equation, we know that k = 25.
Now, substituting the value of k back into the first equation, we have: \(\sqrt{a} = x^3^2\)
To satisfy this equation for all integer values of x, a must be a perfect square. Therefore, we can express a as a =\(y^2\), where y is an integer.
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I NEED HELP PLEASE ANSWER SOON !!
Answer:
wacha le vas a hacer x-3+21=67
Estimating Answers - Division
Answer:
b-3
c-40
Step-by-step explanation:
what is 3⁴×3⁵ can anyone help me
Let's look at the multiplication exponent rule.
\(x^a*x^b=x^{a+b}\)
Meaning that the exponents will add together when the same base is multiplied.
\(3^4*3^5=3^{4+5}=3^9\)
Hope this helps.
頑張って!
Answer:
19683
Step-by-step explanation:
3x3x3x3= 81
3x3x3x3x3=243
81x243=19683
Met a raised $24 by selling 40 baked items for the Builders Club. She sold cookies for 50 cents each and brownies for 75 cents each. How many did she sell?
Brenda pays $30 for materials to make earrings. She makes 10 earrings and sells 7 for $5 and 3 for $2. Write a numerical expression to represent this situation and then find Brenda's profit?
You want to exchange £750 for euros. These are the currency exchange rates from 3 different sources. Company Exchange rate Travel Exchange 1.1065 Phoenix Financial 1.1050 Money Matters 1.1075 Which gives you the best value for money?
Money Matters is the best value for money for £750 they are giving 806.25 euros.
What is Money exchange?Customers can exchange one currency for another at a currency exchange, which is a licensed business.
The three agents are giving the money at different rates:-
Travel Exchange = 750 x 1.1065 = 798.75 Euros
Phoenix Financial = 1.1050 x 750 = 787.5 Euros
Money Matters = 1.1075 x 750 = 806.25 Euros
We can see that Money Matters is giving the best value for money.
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picture listed below
The second i.e. reflecting first across y-axis and then x -axis and the third i.e. reflecting and rotating counterclockwise about origin, sequences of transformation will map the figures.
What is transformation?
A point, line, or geometric figure can be transformed in four different ways, each of which alters the shape and/or placement of the object.
Although Image refers to the position and ultimate shape of the object, Pre-Image refers to the shape of the thing as it was before alteration.
We are given coordinate axis with two figures ABCD and EFGH.
In order to map the figures, we can reflect the figure across y - axis first and then across x - axis. This transformation will map the figure.
Also, another sequence can be reflecting the figure in origin and then rotating it 90° counter clockwise about the origin.
Hence, the second and third sequences of transformation will map the figures.
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factor and solve if necessary
7x^2-14x+7
Hello!
7x² - 14x + 7
7(x² - 2x + 1)
= 7(x(x - 1) - 1(x - 1))
= 7((x - 1)(x - 1))
= 7(x - 1)²
Simplify.
14.8 + 6.25 + 0.97
Answer:
22.02
Step-by-step explanation:
If the least value of n is 4, which inequality best shows all the possible values of n?
n ≤ 4
n ≥ 4
n < 4
n > 4
If the least value of n is 4, then the inequality best shows all the possible values of n is, n ≥ 4. So Option B is correct
What are inequalities?Inequalities are the comparison of mathematical expressions, whether one quantity is greater or smaller in comparison to another quantity.
We use these symbols to represent inequalities, '>' , '<', '≥', '≤'
Given that,
The least value of n is 4,
Inequality representation = ?
It is known that,
Least value of n is 4
So, Minimum possible value of n is 4
Maximum value of n should be more than 4,
In order to satisfy the condition,
So,
n > 4
By combining both the things,
It can be written as,
n ≥ 4
Hence, the best inequality representation is n ≥ 4
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Find the first five terms of the sequence????
Answer: It's number 2
(4,3,2,1,0)
m∠AXB = this is the question
Answer:
Need a figure or more information to answer this question
If 7 toothpaste tubes cost 40.50 how much does one tube cost?
Answer:5.78
Step-by-step explanation: It is 5.78 bc do 40.50 divided by 7 and you will get your answer
Brainliest please???
Answer:
Each tube costs about $5.79.
Step-by-step explanation:
To find the cost of each tube, divide the total cost by the total number of toothpaste tubes.
40.50/7 = 5.785714286 which approximates to 5.79
pis help <3 Following the steps below, what is the next step in constructing an equilateral triangle?
Start with the line segment AB, which will be the length of each of the sides of the desired equilateral triangle.
Place the point of the compass on point A and set its drawing end on point B. Make an arc from point B up through where we expect the other point of our triangle to be.
Now place the compass point on point B, and the drawing side on point A, and draw another arc. The spot where the two arcs intersect will be the triangle's last point.
?
a.We'll label the last point as point P. Now set up your ruler, and connect each point to draw your triangle.
b.Using the straight edge, draw a line from K to where the arcs cross.
c.Without changing the compass's width, repeat from the point B so that the two arcs cross each other, creating the point A.
d.From B, mark off a short arc above A.
Answer:
The next step is answer choice A
Step-by-step explanation:
This is because the last thing you need to do is connect all the points
your welcome!! <3
pls mark as brainliest!
We'll label the last point as point P. Now set up a ruler, and connect each point to draw your triangle will be the last steps to make the triangle so option (A) will be correct.
What is a triangle?A triangle is a 3-sided shape that is occasionally referred to as a triangle. There are three sides and three angles in every triangle, some of which may be the same.
The sum of all three angles inside a triangle will be 180° and the area of a triangle is given as (1/2) × base × height.
There are many types of triangles such that right-angle triangles, equilateral triangles, and much more.
We have created the last point of the triangle by intersection using a compass.
Now to make the complete triangle we need to draw lines from the last point P to A and B.
Hence "Now to make the complete triangle we need to draw lines from the last point P to A and B".
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Wich one is SAS
Please helpppp
Answer: AD=DC
Step-by-step explanation:
Help Plzzzzzzzzzzzzzzzzzz
Answer
Help with what?
Step-by-step explanation:
Answer:
Whats the question
Step-by-step explanation:
?
Solve the compound inequality
3x>8 or -5/6x-5>9
Answer: for -5/6x-5>9= x<-84/5
Step-by-step explanation:
multiply both sides of the inequality by 6
= -5x - 30 >54
Move. The constant to the right hand side and change its sign
-5x > 54+30
Calculate
-5x > 54+30 = -5x > 84
Divide both sides of the inequality by -5 and flip the inequality sign
x< - 84/5
In the diagram below of parallelogram ROCK, m angle is 70 degrees and m angle ROS is 65 what is the value of x
Answer:
135
Step-by-step explanation:
The measure of the angle KSO is 135°
What is a parallelogram?A parallelogram is a special type of quadrilateral that has both pairs of opposite sides parallel and equal.
Given that, In the diagram below of parallelogram ROCK, m angle is 70 degrees and m angle ROS is 65
We know that, opposite angles of a parallelogram are equal,
Therefore, ∠ ORK = 70°
In triangle, SRO, ∠ ORK and ∠ ROS are interior angles, and ∠ KSO is an exterior angle,
We know, The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.
Therefore, ∠ KSO = ∠ ORK + ∠ ROS
∠ KSO = 135°
Hence, The measure of the angle KSO is 135°
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