Step-by-step explanation:
What is the approximate volume of a cylinder with a radius of 7 cam and a height of 4 cm
Answer:
volume =
\( {7}^{2} \times 3.14 \times 2 \times 4\)
Step-by-step explanation:
volume =area of the base circle × height
In a recent survey in a Statistics class, it was determined that only 70% of the students attend class on Fridays. From past data it was noted that 88% of those who went to class on Fridays pass the course, while only 20% of those who did not go to class on Fridays passed the course. a. What percentage of students is expected to pass the course? b. Given that a person passes the course, what is the probability that he/she attended classes on Fridays? (Hint: the above problem is based on conditional probability concept and the Bayes theorem)
Answer:
a) 67.6% of students is expected to pass the course
b) 0.9112 = 91.12% probability that he/she attended classes on Fridays
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is
\(P(B|A) = \frac{P(A \cap B)}{P(A)}\)
In which
P(B|A) is the probability of event B happening, given that A happened.
\(P(A \cap B)\) is the probability of both A and B happening.
P(A) is the probability of A happening.
a. What percentage of students is expected to pass the course?
88% of 70%(attended class)
20% of 100 - 70 = 30%(did not attend class). So
\(p = 0.88*0.7 + 0.2*0.3 = 0.676\)
0.676*100% = 67.6%
67.6% of students is expected to pass the course.
b. Given that a person passes the course, what is the probability that he/she attended classes on Fridays?
Here, we use conditional probability:
Event A: Passed the course
Event B: Attended classes on Fridays.
67.6% of students is expected to pass the course.
This means that \(P(A) = 0.676\)
Probability that passed and attended classes on Friday.
88% of 70%
This means that:
\(P(A \cap B) = 0.88*0.7 = 0.616\)
Then
\(P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.616}{0.676} = 0.9112\)
0.9112 = 91.12% probability that he/she attended classes on Fridays
The solution of the equation 3x + 4 =1 is a) 1 b) 0 c) -1 d) 2
Hello!
3x + 4 = 1
3x + 4 - 4 = 1 - 4
3x = -3
3x/3 = -3/3
x = -1
The solution of the equation 3x + 4 = 1 is -1.
The answer is:
C) x = -1
Work/explanation:
To solve this equation, I subtract 4 from each side:
\(\sf{3x+4=1}\)
Subtract :
\(\sf{3x=-3}\)
Divide each side by 3:
\(\sf{x=-1}\)
Hence, C is correct.
graph a right triangle with two points forming the hypotenuse. using the sides, find the distance between the two points, to the nearest tenth if possible (6,-5) and (-3, 3)
We will have the following:
*First. We determine a new point that can be used to complete the rigth triangle; we are given the points:
\(\begin{cases}(6,-5) \\ \\ (-3,3)\end{cases}\)So, a point we could use to form a rigth triangle could be:
\((-3,-5)\)And we would have the following triangle:
*Second: We determine the distances:
**Distance on the horizontal axis would be 9 units.
**Distance on the vertical axis would be 8 units.
*Third: We determine the distance betweem the two original points:
\(h=\sqrt[]{9^2+8^2}\Rightarrow h=\sqrt[]{145}\)\(\Rightarrow h=12.04159458\ldots\Rightarrow h\approx12\)So, the distance between the two original points is approximately 12 units.
Zoe Corporation has the following information for the month of March:
Cost of direct materials used in production
Direct labor
Factory overhead
Work in process inventory, March 1
Work in process inventory, March 31
Finished goods inventory, March 1
Finished goods inventory, March 31
a. Determine the cost of goods manufactured.
b. Determine the cost of goods sold.
$18,435
26,510
37,267
15,183
21,746
21,407.
26,154
Answer:
Step-by-step explanation:
To determine the cost of goods manufactured, we need to add up the total manufacturing costs incurred during the month and subtract the cost of work in process inventory on March 1, then add the cost of work in process inventory on March 31:
Total Manufacturing Costs = Cost of Direct Materials Used + Direct Labor + Factory Overhead
Total Manufacturing Costs = $18,435 + $26,510 + $37,267
Total Manufacturing Costs = $82,212
Cost of Goods Manufactured = Total Manufacturing Costs - Work in Process Inventory, March 1 + Work in Process Inventory, March 31
Cost of Goods Manufactured = $82,212 - $15,183 + $21,746
Cost of Goods Manufactured = $88,775
Therefore, the cost of goods manufactured for the month of March is $88,775.
To determine the cost of goods sold, we need to calculate the cost of goods available for sale, which is the sum of the cost of goods manufactured and the cost of finished goods inventory on March 1, and then subtract the cost of finished goods inventory on March 31:
Cost of Goods Available for Sale = Cost of Goods Manufactured + Finished Goods Inventory, March 1
Cost of Goods Available for Sale = $88,775 + $21,407
Cost of Goods Available for Sale = $110,182
Cost of Goods Sold = Cost of Goods Available for Sale - Finished Goods Inventory, March 31
Cost of Goods Sold = $110,182 - $26,154
Cost of Goods Sold = $84,028
Therefore, the cost of goods sold for the month of March is $84,028.
Write the slope-intercept form of the line that has a slope of 2 and intersects the line, 2x - 3y = 6 at x = 3. Include
your work in your final answer. Type your answer in the box provided to submit your solution.
Answer:
y= 2x -6
Step-by-step explanation:
The slope-intercept form of a line is given by y= mx +c, where m is the slope and c is the y-intercept.
To find the equation of a line, two information are needed:
Slope (given/ calculated)A pair of coordinatedGiven that the slope is 2, m= 2. Substitute m= 2 into y= mx +c:
y= 2x +c
Let's find the coordinate in which the line intersects the line 2x -3y= 6. Point of intersection refers to the point at which two lines cuts through each other i.e., the point lies on the graph 2x -3y= 6 and the line of interest.
2x -3y= 6
When x= 3,
2(3) -3y= 6
6- 3y= 6
3y= 6 -6
3y= 0
Divide both sides by 3:
y= 0
Coordinate that lies on the graph is (3, 0).
Substitute the point into the equation and solve for c:
y= 2x +c
When x= 3, y= 0,
0= 2(3) +c
0= 6 +c
c= -6
Substitute the value of c back into the equation:
Thus, the equation of the line in slope-intercept form is y= 2x -6.
Additional:
For a similar question on slope-intercept form, do check out the following!
https://brainly.com/question/28007941How do you write 0.0026 in scientific notation? ___× 10^____
Answer:
It's written as
\(2.6 \times {10}^{ - 3} \)
Hope this helps you
Answer:
2.6 × 10⁻³
Step-by-step explanation:
To write a number in scientific notation, move the decimal to the right or left until you reach a number that is 1 or higher.
In the decimal 0.0026, the first number that is 1 or higher is 2.
0.0026 ⇒ 2.6
When trying to figure out the exponent, here are some things to keep in mind:
- when you move the decimal to the right, the exponent is negative
- when you move the decimal to the left, the exponent is positive
You moved the decimal to the right three places. So the exponent will be -3.
The result is 2.6 × 10⁻³.
Hope this helps. :)
Need help there only one answer
Answer:
12 + 12x + 6y
Step-by-step explanation:
6(2 + x + x + y)
= 6( 2 + 2x + y)
= 12 + 12x + 6y
Hope it will help :)❤
An athlete runs 3 mi in 24 min. Is the rate of this athlete greater than, less than, or equal to the rate of an athlete who runs 4 mi in 33 min?
The rate of the first athlete is greater than the rate of the second athlete.
To determine if the rate of the first athlete is greater than, less than, or equal to the rate of the second athlete, we need to compare their average speeds.
The average speed of an athlete is calculated by dividing the distance traveled by the time taken.
For the first athlete who runs 3 miles in 24 minutes, the average speed can be calculated as:
Speed1 = Distance1 / Time1 = 3 miles / 24 minutes = 1/8 miles per minute.
For the second athlete who runs 4 miles in 33 minutes, the average speed can be calculated as:
Speed2 = Distance2 / Time2 = 4 miles / 33 minutes.
To make a comparison, we need to convert both rates to a common unit. Let's convert both rates to miles per minute:
Speed2 =\((4 miles / 33 minutes) * (24 minutes / 24 minutes)\) = (96 miles / 792 minutes) ≈ 0.1212 miles per minute.
Comparing the two rates, we see that Speed1 (1/8 miles per minute) is greater than Speed2 (0.1212 miles per minute). The rate of the first athlete is greater than the rate of the second athlete.
For more such questions on rate
https://brainly.com/question/119866
#SPJ8
Solve the system of linear equations by elimination. x+6y=28 2x−3y=−19
If annual interest rate is 8.25% on 90,900.00 What is my interest for 1/2 a month. It's for 8 years.
To calculate the interest for 1/2 a month over a period of 8 years, we first need to calculate the total number of months in 8 years:
Total number of months = 8 years x 12 months/year = 96 months
Next, we can calculate the interest for half a month:
Interest = Principal x Rate x Time
Where:
- Principal = $90,900.00
- Rate = 8.25% (annual interest rate)
- Time = 0.5/12 years (half a month, expressed in years)
Rate needs to be converted to a monthly rate, so we divide it by 12:
Rate = 8.25% / 12 = 0.6875% (monthly interest rate)
Time needs to be expressed in years, so we divide it by 12:
Time = 0.5/12 years
Now we can calculate the interest:
Interest = $90,900.00 x 0.006875 x 0.0416667
Interest = $25.08 (rounded to the nearest cent)
Therefore, the interest for 1/2 a month on a principal of $90,900.00 with an annual interest rate of 8.25% over a period of 8 years is $25.08.
Answer:
The interest for 1/2 month is $312.47, and the total interest for 8 years is $30, 032.64
Step-by-step explanation:
Make a plan:
Monthly Interest Rate: 8.25% / 12 = 0.006875Interest for 1/2 month is 90900 * 0.006875 * 0.5 = 312.46875Total Interest for 8 years is 312.46875 * 8 * 12 = 30032.64Solve the problem:The monthly Interest Rate is 8.25% / 12 = 0.006875 (Ground Truth)Interest for 1/2 month is 90900 * 0.006875 * 0.5 = 312.46875 (ground truth).Total Interest for 8 years is 312.46875 * 8 * 12 = 30032.64 (ground truth).Draw the conclusion:
The interest for 1/2 month is $312.47, and the total interest for 8 years is $30, 032.64Hope this helps!
Cheesecake Factory has 5 vanilla, 10 strawberry, and 6 chocolate cheesecakes in the window for sale. What is the ratio of strawberry to total? *
Answer:
10:21
Step-by-step explanation:
emilythompson35464 hope this helps srry if it doesn't tho
In a bread recipe, the ratio of milk
to flour is 5 to 4. If 7 cups of flour
are used, how many cups of milk
are used?
Molly had 6 or 33% robins in her yard. Does she need to find a percent, part or whole
Answer:eita moçaa
Stedssfsdsvbg´xclmvb´zdmfbhd
da
find the slope for the given equation: - 3x-5y=11
Answer:
K=-3/5
Step-by-step explanation:
y= -3x/5 - 11/5
Jella rode on the bike trail one afternoon. She biked 12 miles in 1 hour and 24 miles in 2 hours
INn FOUR hours Jennifer will travel 12 m/h x4 = 48 miles
it will take Thomas 48 miles / 4 m/hr = 12 hours to reach the bike in the meantime Jennifer has EIGHT hours of walking 3 m/hr x 8 = 24 miles form the bike Thomas now sets out at 10 m/h this is 10 - 3 = 7 m/h faster than Jennifer is walking he will close the 24 miles and catch Jennifer in 7 m/hr *x = 24 m
24/7hours
So Thomas walks for 12 hours then bikes for 24/7 hr = 15 3/7 hrs = ~ 15 hr 26 min
Help? and explanation
We can rewrite the circle equation as:
(x - 2)^2 + (y +4)^2 = 3^2
Then the correct option is the first one, the radius is 3 units and the center is (2, -4)
How to find the center and radius of the circle?
The equation for a circle of radius R and center (a, b) is written as:
(x - a)^2 + (y - b)^2 = R^2
Here the equation is:
x^2 + y^2 - 4x + 8y + 11 = 0
We need to complete squares, we can rewrite:
(x^2 - 4x) + (y^2 + 8y) + 11 = 0
(x^2 - 2*2x) + (y^2 + 2*4y) +11 = 0
Now we can add and subtract 2^2 and 4^2 in each parenthesis, so we get:
(x^2 - 2*2x + 2^2) - 2^2 + (y^2 + 2*4y + 4^2) - 4^2 + 11 = 0
(x - 2)^2 + (y + 4)^2 - 4 - 16 + 11 = 0
(x - 2)^2 + (y + 4)^2 = 9 = 3^2
(x - 2)^2 + (y +4)^2 = 3^2
So, the radius of the circle is 3 units, and the center of the circle is the point (2, -4)
Learn more about circle equations:
https://brainly.com/question/1559324
#SPJ1
A riddle for the day
I am less than 7 tens and more than 4 tens I am a odd number if you add both my digits you will get 11 which number am I?
47
65
67
74
Answer:
two of them are possible which one is the correct
Please hurry I’m in a timed test!!!! If sintheta>0, and tan theta<0 then:
Answer: The angle is in the second quandrant
Step-by-step explanation:
If sin of theta is greater than 0, the angle theta has to be in either the first or second quandrant. If tangent of theta is less than 0, it cannot be in the first or third quandrant. Therefore, we know the angle is in the second quandrant.
Lydia is organizing a cooking competition at her school. She ordered some basic supplies to share among the teams that are competing.
The teams will be bringing other ingredients as well.
Use the list at the right to answer the questions.
1. If 10 of the teams divide the olive oil equally, how
much will each team receive? Write an equation
to model your work.
738.4 grams, flour
8.25 liters, milk
5.4 liters, olive oil
87.6 grams, salt
36 eggs
The equation to model the given work is 5.4 liters / 10 teams = 0.54 liters per team, and 0.54 liters per team × 920 grams per liter = 497.28 grams per team.
The teams will share 5.4 liters of olive oil. To find out how much each team will receive, we can divide the total amount of olive oil by the number of teams:
5.4 liters ÷ 10 teams = 0.54 liters per team
However, it's usually more convenient to express this in grams for equation, so we need to convert liters to grams.
The conversion factor for olive oil is approximately 0.92 grams per milliliter (or 920 grams per liter). So, we can multiply 0.54 liters per team by 920 grams per liter to get:
0.54 liters per team × 920 grams per liter = 497.28 grams per team
Therefore, each team will receive 497.28 grams of olive oil as per the work.
Equation: 5.4 liters / 10 teams = 0.54 liters per team, and 0.54 liters per team × 920 grams per liter = 497.28 grams per team.
For more details regarding Equation, visit:
https://brainly.com/question/29657983
#SPJ1
why were Europeans so frightened by the Vikings
Answer:
Europeans were so afraid of the Vikings because they raided/ took over parts of their land in Western Europe.
Because they raided in all of their continents and settled there, and also destroyed all of their belongings.
(don't put this part but also because they were swedish)
have a good day/night <3
good luck <3
-Dan
Gianna drives 5 miles in 10 minutes. If she drove three hours in total at the same rate,
how far did she go?
Before you try that problem, answer the question below.
How many minutes did Gianna drive in total?
Gianna is 90 miles far away in 3 hours of driving.
She drove in total of 180 minutes.
What is speed?The speed can be defined as the rate at which an object covers some distance. Speed can be measured as the distance traveled by a body in a given period of time. The SI unit of speed is m/s.
Given,
Gianna drives 5 miles in 10 minutes
Speed per minute = 5/10 = 0.5 miles/minute
Gianna drove in total for 3 hours
1 hour = 60 minutes
3 hours = 60 × 3 = 180 minutes
Distance Gianna drove in 180 minutes = speed per minute × time
= 0.5 × 180
= 90 miles
Hence, Gianna drove 90 miles in 3 hours, 180 minutes is total time she drove.
Learn more about speed here:
https://brainly.com/question/28224010
#SPJ1
The connective "⇒ " in logic is a…
The binary connective of implication ⇒ is defined as (A ⇒ B) ⇔ ((¬ A) ∨ B). It can be read « A implies B », « A is a sufficient condition for B », or « B is a necessary condition for A ».
What is connective?
Connective is function, or the symbol representing a function, which corresponds to English conjunctions such as "and," "or," "not," etc. that takes one or more truth values as input and returns a single truth value as output.
What is logical connective?
A Logical Connective is a symbol which is used to connect two or more propositional or predicate logics in such a manner that resultant logic depends only on the input logics and the meaning of the connective used.
Generally there are five connectives which are −
OR (∨)
AND (∧)
Negation/ NOT (¬)
Implication / if-then (→)
If and only if (⇔).
connective of implication ⇒ is defined as (A ⇒ B) ⇔ ((¬ A) ∨ B).
To know more about logical connective, visit:
https://brainly.com/question/28258509
#SPJ9
Please help me solve this im not really sure how:( I’ve been trying no luck
Solution:
Given the average score model;
\(f(t)=85-6\log_{10}(t+1)\)On the original exam;
\(\begin{gathered} t=0 \\ \\ f(0)=85-6\log_{10}1 \\ \\ f(0)=85 \end{gathered}\)His average score on the original exam is 85
(b) After one year;
\(\begin{gathered} t=12 \\ \\ f(12)=85-6\log_{10}(12+1) \\ \\ f(12)=78.3 \\ \\ f(12)\approx78 \end{gathered}\)His average score after one year is 78
(c)
\(\begin{gathered} f(t)=80 \\ \\ 80=85-6\log_{10}(t+1) \\ \\ \frac{-5}{-6}=\log_{10}(t+1) \\ \\ t+1=10^{(\frac{5}{6})} \\ \\ t=6.81-1 \\ \\ t=5.81 \end{gathered}\)The speed of train A is 6 mph slower than the speed of train B. Train A travels 190 miles in the same time it takes train B to travel 220 miles. Find the speed of each train.
Answer:
train A=38mph train B=44mph
Step-by-step explanation:
Setting up a table:
s t d
A x 190/x 190
B x+6 220/x+6 220
Train A was 6mph slower as shown in the table, so to make it easier, train a is identified as x, train b would be x+6
Their distances are put in their respective column.
You find time from distance divided by speed.
So time would be written as such.
Since you know they take the same amount of time, for the equation, you connect them with an equal sign. Cross multiply to something like:
190(x+6)=220x
190x+1140=220x
1140=30x
x=38
You plug this in and get the speed for train A as 38, and train B as 44.
Hope this helps ^^
It says write each number in standard notation 2.350 × 10^-4:6.5 × 10^-3:7.07 × 10^-5:
To write the expressions in standard notation we need to follow this rule:
• When we multiply by a power of 10 we will move the decimal point to the right if the exponent of the 10 is a positive number and to the left, if the exponent of the 10 is a negative number.
We start with the first expression:
\(2.350\times10^{-4}\)Since the exponent of 10 is negative, we will move the decimal point to the left. And we move it the number of times that the exponent indicates: 4
The following image shows the result after moving the decimal place:
As you can see we have moved the decimal point 4 places to the left and it is important to fill the spaces with 0.
Thus:
\(2.350\times10^{-4}=0.0002350\)Now we solve the second expression:
\(6.5\times10^{-3}\)Again the exponent of 10 is negative so we will move the decimal point to the left the number of times the exponent indicates: 3 times.
The following image shows the result after moving the decimal point:
Thus:
\(6.5\times10^{-3}=0.0065\)Finally, we solve the third expression:
\(7.07\times10^{-5}\)We will move the decimal point 5 times to the left:
And again we have filled the blank spaces with 0.
The result is:
\(7.07\times10^{-5}=0.0000707\)Answer:
\(\begin{gathered} 2.350\times10^{-4}=0.0002350 \\ 6.5\times10^{-3}=0.0065 \\ 7.07\times10^{-5}=0.0000707 \end{gathered}\)
PLEASE HELP ME THE QUESTION IS ON THE PICTURE!!!!!
Write a numerical expression to represent the phrase "the sum of 25 and the cube of 9." Do not evaluate the expression.
Answer:
25 + 9^3
Step-by-step explanation:
-3.25<-61.75=
help?please...
Answer:
=65
Step-by-step explanation:
Step 1 ) Convert 5% to a decimal : 0.05
Step 2) Multiply that by amount ( 0.05 × 65 = 3.25)
Step 3) Subtract from amount ( 65 - 3.25 ) = $61.75
900 employees had put their names in a lucky draw. When the lucky numbers were drawn. The first draw eliminated 20% of the people, the second draw eliminated 30% of the remaining people and the third draw eliminated exactly one third of the remaining people. How many people were eliminated in the third draw?
Answer: in the third draw 33.33% people eliminated.
Step-by-step explanation: