Answer:
[tex]Selection = 345025251[/tex]
Step-by-step explanation:
Given
[tex]Total = 51[/tex]
[tex]Numbers = 7[/tex]
Required
Determine number of selection
It's important that
- The first number can be any of the 51 numbers
- The second number can be any of the 51 numbers
- The third number can be any of the 51 numbers
- The fourth number can be any of the 51 numbers
And so on
Hence, number of selections is:
[tex]Selection = 51 * 51 * 51 * 51 * 51[/tex]
[tex]Selection = 51^5[/tex]
[tex]Selection = 345025251[/tex] ways
URGE
Si la probabilidad es 0.70 de que un estudiante con muy altas calificaciones entre al TEC ¿Cual es la probabilidad de que tres de cinco estudiantes con muy altas calificaciones entren al TEC?
Answer:
La probabilidad de que el estudiante entre, es 0.7
Entonces la probabilidad de que el estudiante no entre, es 1 - 0.7 = 0.3.
Ahora, si de 5 estudiantes, 3 entran y 2 no, entonces la probabilidad para un dado arreglo es: 0.7 tres veces, y 0.3 dos veces.
Y la probabilidad conjunta es igual al producto de las probabilidades individuales.
P = (0.7^3)(0.3^2)
Pero esto es para un arreglo, tenemos que tener en cuenta las permutaciones.
Sabemos que para M elementos, el numero de diferentes arreglos de N elementos (tal que N ≤ M) es:
[tex]C(M, N) = \frac{M!}{(M - N)!*N!}[/tex]
En este caso, tenemos que M = 5 y N = 3, entonces tenemos:
[tex]C(5, 3) = \frac{5!}{2!*3!} = 5*4/2 = 10[/tex]
Entonces la probabilidad va a ser:
P = 10* (0.7^3)(0.3^2) = 0.3087
Hershey's bar were purchased at $7 per dozen and sold at $1.25 each. Find the profit on 15 dozen Hershey's bar.
Answer:
[tex]Profit = \$120[/tex]
Step-by-step explanation:
Given
[tex]Cost\ Price = \$7[/tex] per dozen
[tex]Selling\ Price = \$1.25[/tex]
Required
Determine the profit on 15 dozen
First, we need to determine the selling price of 1 dozen.
[tex]Selling\ Price = \$1.25 * 12[/tex]
[tex]Selling\ Price = \$15[/tex]
Next, we calculate the profit on a dozen
[tex]Profit = Selling\ Price - Cost\ Price[/tex]
[tex]Profit = \$15 - \$7[/tex]
[tex]Profit = \$8[/tex]
Profit on 15 dozen is:
[tex]Profit = 15 * \$8[/tex]
[tex]Profit = \$120[/tex]
A school keeps track of the percentage of scholars who pack lunch versus buy lunch. On Monday, 80% of scholars packed lunch. On Tuesday, 70% of the scholars who packed lunch do so again, and 50% of those who bought lunch on Monday pack lunch on Tuesday. Assume all scholars either pack lunch or buy lunch. Find the percent change in the number of scholars who bought lunch from Monday to Tuesday, and indicate whether this was an increase or decrease.
Answer:
Increase by 10% of students that bought lunch.
Step-by-step explanation:
I think the percent change was by 10%. Because 10% of those students who packed lunched on Monday did not pack lunch on Tuesday, and assuming that they either buy or pack it that means that 10% more students bought lunch.
Determine whether the set, together with the indicated operations, is a vector space. If it is not, then identify one of the vector space axioms that fails. M4,6 with the standard operations
Answer:
Following are the solution to this question:
Step-by-step explanation:
The answer is "M4,6 is really a set of all 4x6 arrays, because it is shuttered by relation with vector and also particle fractions. Its structure for 4x6 also is M4,6".
HURRY PLEASEE!!!! Alexandria planted a rose bush that was 26 inches tall several years ago. The rose bush has grown at a race of approximately .75 inches per year. Alexandria uses this equation to calculate the bush’s height, h. 0.75x + 26 = h What does the x represent in this equation?
Group of answer choices
The x represents the number of years since the rose bush was planted
The x represents the heights of the rose bush today.
The x represents the bush’s growth each year.
The x represents the starting height of the rose bush
What are the coordinates of point R
MATH HELP NEEDED ASAP PLZ!
Answer:
You need to change 7 and 12 in your division equation.
Like this
[tex]12\sqrt{7}[/tex]
Then once you do this then you should get an answer of .5833
Match each expression on the left with an equivalent expression on the right
Answer: See explanation
Step-by-step explanation:
You didn't give the expressions but here are some expressions
a. ✓4x²y^4. 1. 2x✓y
b. ✓8x²y. 2. 2y✓2x
c. ✓4x²y. 3. 2xy²
d. ✓16xy². 4. 2x✓2y
e. ✓8xy². 5. 4y✓x
a. ✓4x²y^4 = ✓4 × ✓x² × ✓y^4
= 2 × x × y²
= 2xy²
Therefore, ✓4x²y^4 = 2xy²
b. ✓8x²y = ✓8 × ✓x² × ✓y
= ✓4 × ✓2 × ✓x² × ✓y
= 2 × ✓2 × x × ✓y
= 2x✓2y
Therefore, ✓8x²y = 2x✓2y
c. ✓4x²y = ✓4 × ✓x² × ✓y
= 2 × x × ✓y
= 2x✓y
Therefore, ✓4x²y = 2x✓y
d. ✓16xy² = ✓16 × ✓x × ✓y²
= 4 × ✓x × y
= 4y✓x
Therefore, ✓16xy² = 4y✓x
e. ✓8xy² = ✓8 × ✓x × ✓y²
= ✓4 × ✓2 × ✓x × ✓y²
= 2 × ✓2 × ✓x × y
= 2y✓2x
Therefore, ✓8xy² = 2y✓2x
Answer:
Step-by-step explanation:
What is the Answer (Easy)
Could you give a small explanation too.
Answer:
Yes the answer is 5sqrt(2)
Step-by-step explanation:
Since area is 25 we know side of square is 5. Thus the diagonal is 5sqrt(2)
need some help please
Answer:
3 cups
Step-by-step explanation:
what two ratios equivalent to the ratio of 9/4?
Answer: Ratio 4:9 is also 49 . This ratio is in reduced form (no whole can be divided into both evenly).
Step-by-step explanation:
Answer:
Step-by-step explanation:
1. 9/4= 9/4 ÷ 2=?
2. 9/4 ÷2= 1.125
3. 1.125= 9/8 = 9:8
The table summarizes data about the median debt for graduating students from a sample of universities in
California and New York.
No debt
Total
High debt
445
130
California Students
New York Students
Total
72
271
716
575
343
918
202
Is there an association between the state and the debt level for graduates? Explain your reasoning in the box
below.
Answer:
at we both use canvas let's gooo
Step-by-step explanation:
we are the best bro keep up the good content btw
Answer:
No
Step-by-step explanation:
There is no association between the state and the debt level for graduates because when all put into precentages they are all about the same.
BRAINLYEST FOR FIRST PERSON AND 5 STARS!!!!!!!!!!! simplify 3 x 5/6=
A. 15/6
B. 23/6
C. 2 1/2
D. 3 5/6
Simplify
7/8 x 1 1/3=
A. 7/24
B. 28/24
C. 1 1/6
D. 1 7/24
Simplify
3 x 1/9=
A. 1/3
B. 3/9
C. 28/9
D. 3 1/9
Simplify
3/10 x 10/21=
A. 1/3
B. 1/7
C. 3/21
D. 30/210
Simplify
5/12 x 1/12=
A. 1/5
B. 5/144
C. 12/60
D. 5
Answer:
1. 3x5/6= 15/6 or 2 1/2
2. 7/8x11/3= 77/24 (Not listed)
3. 3x1/9= 3/9 or 1/3
4. 3/10x10/21= 1/7
Step-by-step explanation:
You have to multiply the numbers like simple multiplication and then try to simplify as much as possible in the process.
Hope this helps:)!!
please answer! What is the scale factor from triangle a to triangle b?
Steve props a ladder against a wall of a building so that the he can get to the roof and
throw water balloons at pedestrians. If the angle of elevation from the bottom of the
Aladder to the roof is 60°, and the building is 35 feet tall, how long must the ladder be
to the nearest tenth of a foot?
Answer:
30 ft
Step-by-step explanation:
you use 35x sin(60) because 35 is the hypotenuse and the angle is 60 degrees
One and a half plus 1/8 =?
Answer:
1/2+1/8=5/8
Step-by-step explanation:
The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.
LCD(1/2, 1/8) = 8
Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.
(1/2×4/4)+(1/8×1/1)=?
Complete the multiplication and the equation becomes
4/8+1/8=?
The two fractions now have like denominators so you can add the numerators.
Then:
4+1/8=5/8
This fraction cannot be reduced.
Therefore:
1/2+1/8=5/8
Hope this helps!!
Answer:
1/2+1/8=5/8
Step-by-step explanation:
yes
Mrs. Smith earns 3500 a month she gives 280 a month savings is what precent of her income
Answer:8%
Step-by-step explanation:
8% of her income because I did
280
-----
3500
=
X
------
100 ( Sorry if I'm wrong <3 )
If a = 2 + i, and b = 3 – 2i, what is a/b?
Answer:
it's [tex]\\\frac{4}{13} +\frac{7}{13}i[/tex]
Step-by-step explanation:
The graph shows a relationship between the size of 18 households and the average amount of time, in hours, each member of the household spends on chores per week. Which equation best models this data set?
A. y = 0.34x + 5.19
B. y = -0.34x - 5.19
C. y = 0.34x - 5.19
D. y = -0.34x + 5.19
Answer:
Option (D)
Step-by-step explanation:
Equation to represent the household expenditure per week will be in the form of,
y = mx + b
Where m = slope of the line
b = y-intercept
From the graph attached,
Since, line of best fit touches the positive side of the y-axis, y-intercept will be positive.
Since, y-values on the graph are decreasing with the increase in the x-values,
Slope of the graph will be negative.
[Slope = [tex]\frac{\text{Rise}}{\text{Run}}[/tex], Since rise of the line is negative and run is positive, slope will be negative]
By these properties equation of the linear graph will be,
y = -0.34x + 5.19
Option (D) will be the correct option.
The equation that best models this data set is y = -0.34x + 5.19
A linear equation is in the form:
y = mx + b
where y, x are variables, m is the slope of the line and b is the y intercept.
Let y represent the time spent on chores for x household members.
From the graph, the line passes through (3, 4.25) and (8, 2.5). Hence:
[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\y-4.25=\frac{2.5-4.25}{8-3}(x-3) \\\\y-4.25=-0.35(x-3)\\\\y=-0.34x+5.2[/tex]
The equation that best models this data set is y = -0.34x + 5.19
Find out more at: https://brainly.com/question/13911928
the difference between two numbers is 10 and their sum is four times the smaller number. find the two numbers
Answer:
The smaller number is 5.
The bigger number is 15.
Step-by-step explanation:
Let the smaller number be x and the bigger number be x+10.
x+x+10 = 4x
2x+10 = 4x
10 = 4x-2x
2x = 10
x = 10÷2
= 5
x+10 = 5+10
= 15
Please help Do not use me for a point please please help
-16/99
I believe this is correct, please mark brainliest! Have an amazing day and stay safe!
The product of a number X and 18 is 113.4. For which equation in value of X represents this relationship
Answer:
Step-by-step explanation:
18x = 113.4
2 ÷ 1
_ _
5 7
i am too dumb to do this myself so help
Answer:
14/5 or
2.8 or
2 4/5
Step-by-step explanation:
Math
Answer:
2.8 or 14/5
keep change change
2×7=14
5×1=5
Step-by-step explanation:
PLEASE. It’s due in 30min.
Answer:
BC, DB, CD
Step-by-step explanation:
The side opposite the largest angle must be the largest side and the side opposite the smallest angle must be the shortest. 96 degrees is opposite CD and 30 degrees is opposite BC.
Autumn invested $2,800 in an account paying an interest rate of 6.2% compounded
monthly. Assuming no deposits or withdrawals are made, how much money, to the
nearest ten dollars, would be in the account after 8 years?
Answer: There would be $4590 (approx.) in the account after 8 years.
Step-by-step explanation:
Formula to calculate accumulated amount if compounded monthly :
[tex]A= P(1+\dfrac{r}{12\times100})^{12t}[/tex], where P+ principal value, r = rate of interest , t = time.
Given: P=$2,800 , r = 6.2%
t= 8 years
Substitute all values in the formula , we get
[tex]A=2800(1+\dfrac{6.2}{1200})^{12\times8}\\\\=2800(1+0.005167)^{96}\\\\=2800(1.005167)^{96}\\\\=2800(1.64009619996)=4592.2693\approx4590\text{ [Rounded to the nearest ten dollars] }[/tex]
Hence, There would be $4590 (approx.) in the account after 8 years.
Answer:
4590Step-by-step explanation:
15h - m = 13h + q pleas helppp
The answer fam is.......... H= q/2 + m/2
Please help. Please answer sensibly! I will give brainliest to the correct answers !
HELP ME PLS!!
Which is true about the two triangles?
Answer:
A) congruent triangles
Step-by-step explanation:
When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.
ILL GIVE YOU BRAINLEST IF RIGHT!!
Answer:
6
Step-by-step explanation:
Consider the two functions given below. What is the y-intercept of g? A. (0,14) B. (0,4) C. (0,9) D. (0,-5)
Note: You probabily forgot to mention the two function. While after some research, I was able to find two functions based on which I would like to solve your query.
Answer:
The y-intercept of the equation will be (0, 4).
Step-by-step explanation:
Considering the assuming functions f(x) and g(x).
[tex]f(x) = -3x - 5[/tex]
[tex]g(x) = f(x)+9[/tex]
So,
[tex]g(x) = (-3x-5)+9[/tex] ∵ [tex]g(x) = f(x)+9[/tex]
[tex]g(x) = -3x+4[/tex]
Now, finding the y-intercept
so putting x = 0 in function g(x)
[tex]g(x) = -3(0)+4[/tex]
[tex]g(x) = 0+4[/tex]
[tex]g(x) = 4[/tex]
Therefore, the y-intercept of the equation will be (0, 4).
Answer:
B
Step-by-step explanation: