The Correct option is (b) i.e. P (n , r)
What is Permutation?
A Permutation is the number of way a set can be arranged or the number of ways things can be arranged.With a permutation, the order of numbers matters.The main types of permutations are those with repetition and those without, although other less common types include permutations with multi-sets and other permutation.P (n , r) = n! ÷(n-r)!
where,
n = total items in the set;r = items taken for the permutation;"!" denotes taking the factorial.The Correct option is (b) i.e. P (n , r)
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Finding equation that passes through
(-3, -7) and (0, 8)
Answer:
y = 5x + 8
Explanation:
The slope is 5, and the y intercept is 8 so following the format of the equation, the equation for this line is:
y = 5x + 8
Through: (1, 5) perpendicular to: y = - ½ x + 4
Answer:
y = 2x+5
Step-by-step explanation:
what is the inverse of f(x)=x^3-2
Answer:
what
Step-by-step explanation:
In a class of 30 students, the mean height of the 12 girls is 164 cm and the mean height of the 18 boys is 166 cm. Find the mean height of the whole class.
Answer:
Mean between 164 and 166 is
Step-by-step explanation:
Mean between 164 and 166 is
Can you have a triangle with sides 10, 11, and 12?
Answer:
I think yeah, triangle with this side are possible.
Answer:
I don think so they only have 3 sides so I think the answer is no
Step-by-step explanation:
please mark brainliest ☺♦
add to both sides: add what to both sides 8+1/9x+ =-4+
Answer:
Step-by-step explanation:
Now add - x to both sides by the addition rule. Remember, adding the same quantity to both sides of an inequality does not change its direction.
?????? Help please .
Answer:
C is the correct answer to the question
Help me Asap,
Find the coordinates of the point of intersection of the lines 2x + y = - 1 and 3x - 4y =
Answer: (- 0.3636, - 0.2727)
Step-by-step explanation:
2x + y = - 1
3x - 4y = 0
X= - 0.3636
Y= - 0.2727
Order the following numbers from greatest to least. Put the greatest number on the left. 1.25 5 -4.5 -2
Step-by-step explanation:
5, 1.25,-2, -4.5
Greatest-Least
72.50 she worked 5 hours. If she was paid the same hourly wage, how many hours will see have to work to get 232.00
Answer:
16 hrs
Step-by-step explanation:
per hour she gets 72.50 / 5 or 14.50
so t * 14.5 = 232
t = 232 / 14.5
t = 16 hours
Reduce completely!
[tex]\frac{3*3*4*4}{3*4*5*6}[/tex]
Select all that apply. There are 11 boys and 15 girls in a class. Which of the following show the ratio of girls to boys? 15.15
Answer:
15:11
Step-by-step explanation:
well, girls to boys would be 15 to 11 because there are 15 girls and 11 boys. it cant be simplified further, so its 15:11
edit: I've noticed that it sounds like I'm saying girls is first because there are more, but it's because the question asks for girls to boys, not because there are more girls
Answer:
11:15
Step-by-step explanation:
Finding a ratio is very simple, all you have to do is take the first number, put a :, and then put the second number.
The : can also be replaced with a . or / so the answer to this question might also be seen as:
11/15
11.15
prove how triangle ABE is congruent to triangle DCE
Answer:
The triangle ABE and DCE are congruent because they are the same size and same shape meaning they are congruent.
Step-by-step explanation:
For two figures to be congruent they must be the same size and shape or one could mirror the other since they mirror each other and are the same size and shape they are congruent.
if each value of the data of the poplation function is doubled which of the following is not correct?
A. the mean is doubled
B. the mode is doubled
C. the variance is doubled
D. the median is doubled
Answer:
The variance is doubled; C
Step-by-step explanation:
Here, we want to select what will be wrong if every number in the dataset is doubled
A. This is correct
The mean is the average of the numbers which is calculated by dividing the sum of the numbers by the count of the numbers
By doubling the numbers, we have simply doubled the sum while the count is same
So what we have as the result of the division will be 2 times what we had initially making the mean doubled
B. The mode is doubled
Yes, this is correct
The mode is the highest in frequency
Doubling all numbers will not double their frequencies but their values. So the number that was the mode in the previous case will be the same but now doubled
D. The median is doubled
This is correct
The median deals with the middle number.
Since all numbers are doubled in the present case, the median to is also doubled along side as the numbers are now twice what they were evenly
C. This is wrong
The variance has to do with the spread of data
We are actually subtracting values
Since we are doubling across board, the difference between the numbers is the same as this, the variance cannot change
We can look at this from the angle that all others are measures of central tendency looking at having a central figure while the variance is a measure of spread.
Which is greater 60 gallons or 60 liters?
Answer:
here I am again
60 gallons
Step-by-step explanation:
Katie deleted my answer and I got warned
PLSSS HELP ANSWER, THE QUESTION IS IN THE SCREENSHOT
Since the room temperature is 22 degrees Celsius,
[tex]\frac{dT}{dt}=k(T-22)[/tex]
Solving the differential equation,
[tex]\frac{1}{T-22} dT=k dt \\ \\ \int \frac{1}{T-22} dT=\int k dt \\ \\ \ln|T-22|=kt+C[/tex]
When t=0, the temperature is 100 degrees.
[tex]\ln 78=C \\ \\ \implies \ln|T-22|=kt+\ln 78[/tex]
When t=1, the temperature is 80 degrees.
[tex]\ln 58=k+\ln 78 \implies k=\ln(29/39) \\ \\ \implies \ln|T-22|=t \ln(29/39)+\ln 78[/tex]
Setting t=4,
[tex]\ln|T-22|=4\ln(29/39)+\ln 78 \\ \\ T=22+e^{4\ln(29/39)+\ln 78} \approx \boxed{46}[/tex]
Find the quotient for the following problems.
16/224=
38/792=
42/504=
47/5,170=
58/7,211=
Answer:
14,20.84,12,110,124.32
Aidan makes a snack mix for a party using ½ bag of chips for every 2 bags of
cheetos. How many bags of cheetos did he use if he used 1 bag of chips?
Therefore, for 1 bag of chips, he used 4 bags of Cheetos.
Given that 1/2 bag of chips is used for every 2 bags of Cheetos.
Now we have to determine how many bags of Cheetos did he use if he used 1 bag of chips as
1/2 bag of chips = 2 bags of Cheetos
1 bag of chips = x
1/2 / 1 = 2 / x
By cross multiplying we get
1/2 x = 2
x = 2 / 1/2
x = 2 * 2
x = 4
Therefore, for 1 bag of chips, he used 4 bags of Cheetos.
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help please with geometry
Answer: it's 9.79 (approximately 10)
Step-by-step explanation:
Use pythagorean theorem
Identify the line of symmetry.
line q
line p
line r
Answer:
Line r
Step-by-step explanation:
I took the Test
Monique is 16 years old and her brother is 4 years old. What is her brother's age in terms of Moniques age x in years?
Answer:
28
Step-by-step explanation:
M=16
Bro=4
Monisque will be 28 years when her brother is 16
PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( !
ILL GIVE 30 POINTS .
Answer:
a200
Step-by-step explanation:
5
Note that is the only solution to the equation 12y - 7 = 3. Which of the following is the solution set of the equation 12y - 7 = 3?
O [5,6]
° {{¹}
05
6
0 y = /1/201
°{}}
O
Answer: C
Step-by-step explanation: Good Luck
Answer:D
Step-by-step explanation:
12y-7=3
move the constant to the right
12y=3+7
calculate
12y=10
divide both sides
6y=5
GOODLUCK ;)
Which is the simplified form of the expression
((2^-2)(3^4))^-3 •((2^-3)(3^2))^2
(please be quick!)
I need help on the pic below
Answer:
u can use inspect element on the thing and itll show the answers
Step-by-step explanation:
Please give me an answer fast! :(
Which line has the greatest rate of change?
A. The line passing through (1,3) and (5,1)
B The line passing through (-1,3) and (1,7)
C The line passing through (1,1) and (4,-3)
D The line passing through (0,6) and (12,9)
Answer:
The answer is D
Step-by-step explanation:
If wrong plz correct me if right plz mark brainliest
To go to school each day, Myra walks 20 yards due south to the bank then 48 yards east. Which measurement is closest to the shortest distance, in yards, from Myra's house to the school?
Answer:
52
Step-by-step explanation:
Answer:
68 yard
Step-by-step explanation:
just add the two numbers.
please leave an explination ( step by step pleas!)
Answer:
y = 2/7x
General Formulas and Concepts:
Algebra I
Slope-Intercept Form: y = mx + b
m - slope b - y-interceptStep-by-step explanation:
Step 1: Define
Slope m = 2/7
y-intercept b = 0
Step 2: Write equation
Substitute [Form]: y = 2/7x + 0Simplify: y = 2/7xI need help in like 1 minute pleaseee
At a planetarium, adult tickets cost $2.50 each and children’s tickets cost $1.50 each. One day 408 tickets were sold in all, and $733 was collected from ticket sales. How many of each type of ticket were sold?
Step-by-step explanation:
the answer is 2.50+1.50+733=737