Answer:
20(4+3)
Step-by-step explanation:
GCF of 80 and 60 = 20
20*4=80
20*3=60
20(4+3)
hope this helps! :)
Please help I’ll give brainliest
Answer:
Step-by-step explanation:
Given,f(x)=3x^2-x+2
now,f(-4)=3(-4)^2-(-4)+
=3(16)+4+2
=48+4+2
=54
So,f(-4) =
Answer:
The solution is 54
Step-by-step explanation:
f(x) = 3x²-x+2
f(-4) = 3(-4)²-(-4)+2
f(-4) = 48+4+2
f(-4) = 52+2
f(-4) = 54
60 children choose their favourite fruit out of apples bananas and watermelon 30% chose apples and 25% chose bananas How many children chose watermelon
Answer:
27 children.
Step-by-step explanation:
Let's call the number of children who chose apples x. Then, the number of children who chose bananas is 0.25x. The number of children who chose watermelon is 60 - x - 0.25x = 60 - 1.25x.
Since 30% of the children chose apples, we know that:
0.30 * 60 = x
So, x = 18, which means 18 children chose apples.
And since 25% of the children chose bananas, we know that:
0.25 * 60 = 0.25x = 15
So, 15 children chose bananas.
Finally, the number of children who chose watermelon is:
60 - 18 - 15 = 27 children.
what is the size of the key space if all 8 characters are randomly chosen 8-bit ascii characters? how long does the average key search take with a single pc?
The size of the key space is 256^8, or 2^64. The average key search time would be 2^64/processing power of PC, which would be a very large number.
The question is asking about the size of the key space if 8 randomly chosen 8-bit ASCII characters are used, and how long it would take to find a key on a single PC.
The size of the key space if all 8 characters are randomly chosen 8-bit ASCII characters is 256^8 = 2^64 = 18,446,744,073,709,551,616.
The average key search time with a single PC would be 18,446,744,073,709,551,616 / 2,000,000,000,000 (2 trillion) operations per second = 9,223,372,036,854,775.8 seconds, which is approximately 292,030 years.
The size of the key space for an 8-bit ASCII character is 2^64 combinations. On average, it will take a single PC 2^64 / (processing speed of PC in Hz) seconds to search through the entire key space.
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Pls show your work thank you will mark the Brainliest
[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]
Let's evaluate ~
[tex]\qquad \sf \dashrightarrow \: \dfrac{4.8 \times 10 {}^{8}}{ 1.6 \times 10 {}^{ - 4} } [/tex]
[tex]\qquad \sf \dashrightarrow \: \dfrac{4.8 }{ 1.6 } \times \dfrac{10 {}^{8} }{10 {}^{ - 4} } [/tex]
[tex]\qquad \sf \dashrightarrow \: 3 \times10 {}^{(8 - ( - 4))} [/tex]
[tex]\qquad \sf \dashrightarrow \: 3 \times10 {}^{(8 + 4)} [/tex]
[tex]\qquad \sf \dashrightarrow \: 3 \times10 {}^{12} [/tex]
So, The correct choice is : A.) 3 × 10¹²
Martha has a box of assorted chips. There are 2 bags of Doritos, 4 bags of Cheetos, and 5 bags of plain
potato chips.
a. What is the probabilty that Martha will grab a bag of potato chips? Write your answer as an unreduced
fraction & a percent.
b. If Martha grabs a bag of potato chips and takes them to eat with her lunch, what is the probability that her
friend, Jamie, will grab a bag of potato chips out of the box next? Write your answer as an unreduced fraction
& a percent.
c. Is this an independent or dependent event? EXPLAIN.
how do you check your result after factoring a polynomial?
The original polynomial, [tex]x^2 + 7x + 12[/tex], it can be seen that the two are the same, thus confirming that the polynomial was correctly factored.
To check the result after factoring a polynomial, one can use the FOIL method to ensure that the factored polynomial is equivalent to the original polynomial. The FOIL method stands for First, Outer, Inner, Last, and is used to multiply two binomials. To check the result, one would use the FOIL method to multiply the factored polynomial, and compare the result to the original polynomial. For example, let’s consider the polynomial[tex]x^2+7x+12[/tex]. After factoring, this can be written as (x+4)(x+3). To check the result, one would multiply the two binomials together, (x+4)[tex](x+3) = x^2 + 3x + 4x + 12[/tex]. Comparing this to the original polynomial, [tex]x^2 + 7x + 12[/tex], it can be seen that the two are the same, thus confirming that the polynomial was correctly factored.
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what is the full meaning of CCTV
The full meaning of CCTV is Closed-Circuit Television. It refers to a system of video cameras and monitors that are used for surveillance and security purposes. The cameras capture live video footage, which is then transmitted to a set of monitors or a central control room for viewing. The cameras are connected to the monitors through a closed circuit, meaning that the signal is not broadcast publicly and can only be viewed by authorized individuals. CCTV systems are commonly used in homes, businesses, and public spaces to deter crime and provide a record of events.
If a seed is planted, it has a 60% chance of growing into a healthy plant.
If eleven seeds are planted, what is the probability that exactly one doesn't grow? Round your answer to 3 decimal places.
Probability that exactly one doesn't grow is 0.004
The ratio of good outcomes to all possible outcomes of an event is known as the probability. The number of positive results for an experiment with 'n' outcomes can be represented by the symbol x. The probability of an event can be calculated using the following formula.
Probability(Event) = Positive Results/Total Results = x/n
If a seed is planted, it has a 60% chance of growing into a healthy plant.
the probability of growing is 60/100 = 0.6
the probability of not growing is 1-0.6 = 0.4
eleven seeds are planted,
and 10 should grow and exactly one doesn't grow
so probability = 0.6*0.6*0.6*0.6*0.6*0.6*0.6*0.6*0.6*0.4=0.004031
= 0.004
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Alonzo is going to watch a movie in his collection. He has 3 action movies, 11 comedies, and 9 dramas.
He will randomly select one movie. What is the probability that the movie he selects is not a comedy?
Write your answer as a fraction.
The probability that he does not select a comedy is 12/23
What is the probability that the movie he selects is not a comedy?If we assume that all the movies have the same probability of being randomly selected, then the probability of selecting a movie that is not a comedy is equal to the quotient between the number of movies that aren't comedies and the total number of movies.
There are:
3 action ones.
11 comiedies.
9 dramas
For a total of 23 movies, and 12 of them are not comedies, then:
P = 12/23
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jordan spends 75 minutes drawing & writing his comic book everyday. He draws for 25 minutes longer than he writes.
The number of minutes spent on drawing and writing a comic book will be 50 minutes and 25 minutes, respectively.
What is the solution to the equation?In other words, the collection of all feasible values for the parameters that satisfy the specified mathematical equation is the convenient storage of the bunch of equations.
Let 'x' and 'y' be the number of minutes spent on drawing and writing a comic book, respectively. Then the equations are given as,
x + y = 75 ....1
x = y + 25 ....2
From equations 1 and 2, then we have
y + 25 + y = 75
2y = 50
y = 25 minutes
Then the value of 'x' is given as,
x = 25 + 25
x = 50 minutes
The number of minutes spent on drawing and writing a comic book will be 50 minutes and 25 minutes, respectively.
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suppose you shuffle a deck of cards and look at the top card 10 times. find the probablility that exactly 5 of the cards you see are hearts
The probability of seeing exactly 5 hearts out of 10 cards is[tex](13/52)^5 × (39/52)^5.[/tex]
The probability of seeing exactly 5 hearts out of 10 cards can be calculated as follows: The total number of cards in a deck is 52. The number of hearts in a deck is 13. Since no card has been removed from the deck, the probability of seeing a heart is 13/52. The probability of seeing a non-heart is 39/52. Since we are looking at 10 cards, the probability of seeing exactly 5 hearts,
p(h)= 13/52
p(nh) = 39/52
hence, [tex](13/52)^5 × (39/52)^5[/tex]
This means that the probability of seeing exactly 5 hearts out of 10 cards is [tex](13/52)^5 × (39/52)^5.[/tex]
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Determine if the correlation between the two given variables is likely to be positive or negative, or if they are not likely to display a linear relationship.
your daily calorie intake and your GPA
The correlation between your daily calorie intake and your GPA is not likely to be immediately apparent, and it would require further investigation to determine whether there is a positive or negative correlation, or no linear relationship between the two variables.
It is difficult to predict the correlation between your daily calorie intake and your GPA as they are not obviously related variables. However, it is possible that there may be a weak or indirect relationship between the two variables.
If a person is consuming a well-balanced diet with the right amount of nutrients, vitamins, and minerals, they may have the energy and focus necessary to perform well academically. In this case, there may be a positive correlation between calorie intake and GPA. Alternatively, if a person is consuming an excessive amount of calories from unhealthy foods, they may be more likely to experience health problems that could impact their academic performance. In this case, there may be a negative correlation between calorie intake and GPA.
On the other hand, there may be no direct linear relationship between the two variables, and other factors such as sleep, stress, exercise, and overall health may have a greater impact on academic performance than daily calorie intake.
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During a 36 - year period, lightning killed 2,457 people in the United States. Assuming that rate holds true today and is constant throughout the year. Find the probability that tomorrow: (a) No one in the United States will be struck and killed by lightning. (b) One person will be struck and killed.
(c) More than one person will be struck and killed.
Answer: A
Step-by-step explanation: This is how to solve: 3239 / (36 *365)
That's 0.246499239 kills per day, so none died
I hope this helped!
Which brand will have the lower lifetime cost, and how much lower will it be? hints: if the product's expected lifespans differ, assume that repurchase(s) at the same price is possible to equalize the lifespans. remember that six of the twenty-four years will be leap years, and round all dollar values to the nearest cent. a. brand u will be $1,051.92 cheaper than brand v. b. brand u will be $976.92 cheaper than brand v. c. brand v will be $75 cheaper than brand u. d. brand v will be $2109.40 cheaper than brand u.
a. Brand U will be $1,051.92 cheaper than Brand V. Option A is the correct answer to the given question.
To calculate the lifetime cost of each oven, we need to consider the initial purchase price, daily electricity costs, and lifespan. For Brand U, the lifetime cost would be:
Lifetime cost = Price + (Avg. Cost/Day × 365 days × Lifespan)
= $2,250 + ($0.16 × 365 × 24)
= $4,013.60.
For Brand V, assuming two repurchases to equalize the lifespan, the lifetime cost would be: Lifetime cost = Price + (Avg. Cost/Day × 365 days × Lifespan × 3)
= $725 × 3 + ($0.28 × 365 × 8 × 3)
= $3,961.68.
Therefore, Brand U will have a lower lifetime cost than Brand V by $1,051.92 (option a).
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Complete Question
Pam has just moved into a new home and wants to purchase an oven. She expects to live in this house for the foreseeable
future. She has narrowed her choices down to two options. Consider the following table, which describes the prices, daily
electricity costs, and lifespans of the two ovens she is considering: T Brand Price Avg. $2,250 Cost/Day $0.16 Lifespan Brand U 24 years Brand V $725 $0.28 8 years
Which brand will have the lower lifetime cost, and how much lower will it be?
Hints: If the product's expected lifespans differ, assume that repurchase(s) at the same price is possible to equalize the
lifespans. Remember that six of the twenty-four years will be leap years, and round all dollar values to the nearest cent.
a. Brand U will be $1,051.92 cheaper than Brand V.
b. Brand U will be $976.92 cheaper than Brand V.
C. Brand V will be $75 cheaper than Brand U.
Answer:
Its actually B, (Brand U will be $976.92 cheaper than Brand V).
Step-by-step explanation:
trust
calculate the cost of producing container A using surface area
The program to cost of each container and the total cost of producing all the containers is given below.
How to depict the C ProgramThe program based on the information will be:
#include <iostream>
using namespace std;
int main() {
int r,h,c,n;
cout<<"Enter the base radius : ";
cin>>r;
cout<<"\nEnter the height : ";
cin>>h;
cout<<"\nEnter the cost per square cm : ";
cin>>c;
cout<<"\nEnter the number of containers : ";
cin>>n;
int s_area = (3.14*r*2)+(2*3.14*r*h);
int cost = c*s_area;
int t_cost = n*cost;
cout<<"\nCost of each container : "<<cost<<endl;
cout<<"Total cost : "<<t_cost<<endl;
}
Based on the above, we've created a program to take the radius of the base, the height of the container, the cost per square centimeter of the material cost.
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A manufacturer wishes to determine the cost of producing an open-top cylindrical container. The surface area of the container is the sum of the area of the circular base plus the area of the outside (the circumference of the base times the height of the container). Create C program to take the radius of the base, the height of the container, the cost per square centimeter of the material (cost), and the number of containers to be produced (quantity). Calculate the cost of each container and the total cost of producing all the containers.
a drawer contains 6 red so cks, 4 green so cks, and 2 black so cks. two so cks are chosen at random. what is the probability that they match?
Answer: 2/12 (1/6 simplified) I think I don’t know I didn’t think much about it
Step-by-step explanation:
Convert milligrams per liter to micrograms per (fluid ounce)
To convert milligrams per liter (mg/L) to micrograms per fluid ounce (µg/fl oz), we can use the conversion factor of 29.5735.
This conversion factor takes into account the difference in volume between a liter and a fluid ounce.
1 fl oz = 29.5735 mL
1 L = 1000 mL
So, to convert from milligrams per liter to micrograms per fluid ounce, we divide by 29.5735 and multiply by 1000:
(mg/L) * 1000 / 29.5735 = (µg/fl oz)
Therefore, to convert a value x from milligrams per liter to micrograms per fluid ounce:
x (µg/fl oz) = x (mg/L) * 1000 / 29.5735
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68.2 divided by 0.4 eritema full a problem
The required, 68.2 divided by 0.4 is equal to quotient 170.5, as per the given condition.
What is arithmetic?In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication, and division,
Here,
68.2 divided by 0.4 is given as,
To divide a decimal value by another decimal value, you can use the same process as dividing whole numbers, but you need to make sure that the decimal points are lined up correctly.
= 68.2 / 0.4
= 682/4
= 170.5
Therefore, 68.2 divided by 0.4 is equal to 170.5.
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Using the image below, identify the following angles:
Column A
1.
<1 and <4
2.
<2 and <6
3.
<1 and <8
4.
<3 and <5
Column B
a. Corresponding
b. Alternate Exterior
c. Same-Side Interior
d. Vertical
Answer:
1) Vertical angles
2) Corresponding
3) Alternate exterior
4) Same-Side Interior
Step-by-step explanation:
Someone help me please
Answer:
Area = 4
Step-by-step explanation:
Geometry and 60 POINTS!!!!!!
Answer:
a = 6 ft.
------------------------------
Given is an isosceles right triangle.
As per property of a such triangle, its hypotenuse is √2 times its leg.
That is:
a√2 = 6√2, divide both sides by √2a = 6Answer:
a = 6 ft
Step-by-step explanation:
We have to find,
→ The value of a in the diagram.
Formula we use,
=> Using Pythagoras theorem.
→ (Hyp)² = (Opp)² + (Base)²
Forming the equation,
→ (6√2)² = (a)² + (a)²
Now the value of a will be,
→ (6√2)² = (a)² + (a)²
→ (a)² + (a)² = (6√2)²
→ 2a² = 36 × 2
→ 2a² = 72
→ a² = 72 ÷ 2
→ a² = 36
→ a = √(36)
→ [ a = 6 ft ]
Hence, the value of a is 6 ft.
Mr. Powell manages a department store and needs an easy way to look up products on the
computer. He wants to assign each product in his department a unique code that will be the sa
number of letters long and use only the letters A, B, and C in the code. How many letters long
each code need to be so that Mr. Powell can account for all 1, 510 products?
O 12
06
07
O 504
The required number of letters to code for 1510 products is given as 7 letters.
What are permutation and combination?In arithmetic, combination and permutation are two different ways of grouping elements of a set into subsets.
Here,
There are 3 possibilities for a letter,
Suppose we need n letters
so 3ⁿ > 1510
Since we need to code for 1510 products that means 3ⁿ must be greater than 1510
So
3⁶ < 1510
3⁷>1510
Thus, the required number of letters to code for 1510 products is given as 7 letters.
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scooter fun and skoot zoom are elevtronic scooter rental companies. Scooter fun charges an $8 deposit plus $6 per hour rental free.
A right triangle has legs measuring 20 in. and 28 in. what is the length of the hypotenuse? round to the nearest tenth. responses 8.0 in. 8.0 in. 19.6 in. 19.6 in. 34.4 in. 34.4 in. 1184.0 in.
The length of the hypotenuse of a right triangle with legs measuring 20 inches and 28 inches is approximately 34.4 inches, found using the Pythagorean theorem.
The length of the hypotenuse of a right triangle with legs measuring 20 inches and 28 inches can be calculated using the Pythagorean theorem, which states that the square of the sum of the squares of the lengths of the legs determines the length of the hypotenuse.
So, if we call the length of the hypotenuse "h", we have [tex]h^{2}[/tex] = [tex]20^2 + 28^2[/tex]
Solving for h:
[tex]h^2 = 20^2 + 28^2[/tex]
[tex]h^2[/tex] = 400 + 784
[tex]h^2[/tex] = 1184
h = [tex]\sqrt{1184}[/tex]
h ≈ 34.4 in.
So, the length of the hypotenuse is approximately 34.4 inches, rounded to the nearest tenth.
The Pythagorean theorem is a fundamental mathematical relationship that states that in a right triangle, the square of the length of the hypotenuse (the longest side) is equal tothe squared lengths of the two legs added together. In this case, the two legs have lengths of 20 inches and 28 inches, and the length of the hypotenuse can be found by solving for the square root of the total of the leg squares.
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how many ways can baseball players and basketball players be selected from baseball players and basketball players?
There are many ways that baseball players and basketball players can be selected from a group of athletes who play both sports.
One way is to use a selection process that allows for both players to be chosen based on their individual merits. For example, a team could use a combination of criteria such as previous performance, physical fitness, athleticism, and skill level to select the most suitable players for each sport. This could be done by assigning each player a score based on these criteria and then selecting the highest scoring players for each position.Another way to select players from a group of athletes playing both sports is to use a draft system. This system would allow teams to choose players based on the team's needs, rather than individual merits. This could be done by assigning each player an overall ranking and then allowing teams to select players in order of their ranking. A third way to select players from a group of athletes playing both sports is to have a tryout or combine where players can showcase their skills and abilities. This allows teams to evaluate players in a more comprehensive way and make sure they are selecting the best players for their team. Finally, teams can also use a combination of the above methods to select players. For example, they could use a combination of a draft system, individual merit selection, and a tryout/combine to get a better idea of which players are the best fit for their team. Overall, there are many different ways that teams can select baseball players and basketball players from a group of athletes playing both sports. The method chosen will depend on the team's individual needs and preferences.
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How many different combinations of baseball players and basketball players can be selected from a group of baseball players and basketball players?
Talia deposits $100 into her account. If her account balance grows exponentially and she makes no additional deposits or withdrawals, which of these shows her possible balance amounts for the first four years?
The balance of Talia's account will grow exponentially if the interest is compounded annually.
The formula for calculating the balance after n years can be represented as:
[tex]B = P * (1 + r)^n[/tex]
where B is the balance, P is the principal (initial deposit), r is the interest rate as a decimal, and n is the number of years. If Talia deposits $100 into her account and the interest rate is x%, the possible balance amounts for the first four years can be calculated as follows:
Year 1: [tex]B = 100 * (1 + 0.01x)^1[/tex]
Year 2: [tex]B = 100 * (1 + 0.01x)^2[/tex]
Year 3: [tex]B = 100 * (1 + 0.01x)^3[/tex]
Year 4: [tex]B = 100 * (1 + 0.01x)^4[/tex]
It is important to note that the interest rate, x, must be provided in order to calculate the exact balance amounts.
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How much would $100 invested at 8% interest compounded continuously be
worth after 15 years? Round your answer to the nearest cent.
A (t) = P*e^rt
Match the functions with their periods. y = - 3 tan 3 x y = 6 sin 3 x y = - 4 cot x 4 y = 2 cos 2 x 3 y = - 2 3 sec x 5 3 π arrowRight 2 π 3 arrowRight π 3 arrowRight 10 π arrowRight
The functions are matched with their periods as follows:
y = - 3 tan 3 x has a period of π/3.y = 6 sin 3 x has a period of 2π/3.y = - 4 cot x 4 has a period of π.y = 2 cos 2 x 3 has a period of 3π.y = - 2 3 sec x 5 has a period of 2π/5.What is the rationale for the above responses?The period of a trigonometric function is the smallest positive value of "T" for which the function repeats itself.
Note that to determine the period of a function, we need to identify how the function changes over one cycle. The period can then be obtained by dividing the length of the cycle by the number of complete cycles in the full range of the function.
1) y = - 3 tan 3 x: The period of the tangent function is π/b, where b is the coefficient of x. So, the period of y = - 3 tan 3 x is π/3.
2) y = 6 sin 3 x: The period of the sine function is 2π/b, where b is the coefficient of x. So, the period of y = 6 sin 3 x is 2π/3.
3 )y = - 4 cot x 4: The period of the cotangent function is π/b, where b is the coefficient of x. So, the period of y = - 4 cot x 4 is π.
4) y = 2 cos 2 x 3: The period of the cosine function is 2π/b, where b is the coefficient of x. So, the period of y = 2 cos 2 x 3 is 3π.
5 )y = - 2 3 sec x 5: The period of the secant function is 2π/b, where b is the coefficient of x. So, the period of y = - 2 3 sec x 5 is 2π/5.
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Yvette is saving money to buy holiday gifts. She will save the money she makes at her part-time job. However, she borrowed $25 from her sister that she has to pay back before she can start saving.
This relationship can be shown by a linear function. Below is a table showing how many hours Yvette has worked (input), and how much money she's saved (output).
Hours Worked (x) Amount Saved (y)
0 -$25
4 $14
8 $53
12 $92
16 $131
Which of the following statements are true regarding the graph of this linear function? Select all that apply.
Group of answer choices-
The slope of the line, 25, is the amount of money she makes per hour of work.
The slope of the line, 9.75, is the amount of money she starts with having worked 0 hours.
The y-intercept of the line, 0, is the amount of money she starts with, since she's worked 0 hours.
The y-intercept of the line, -25, is the amount of money she starts with, since she owes her sister $25 and has worked 0 hours.
The slope of the lines, 9.75, is the amount of money she makes per hour of work.
Answer:
Step-by-step explanation:
The statements that are true regarding the graph of this linear function are:
The y-intercept of the line, -25, is the amount of money she starts with, since she owes her sister $25 and has worked 0 hours.
The slope of the line, 25, is the amount of money she makes per hour of work.
The statement:
The slope of the line, 9.75, is the amount of money she starts with having worked 0 hours. is not true.
And the statement:
The y-intercept of the line, 0, is the amount of money she starts with, since she's worked 0 hours. is not true because the y-intercept is not 0, it's -25, which represents the amount of money she owes to her sister.
if we have a data set with a mean of 25, what are the new mean if we multiply the values by 3 and then add 4?
If we multiply the values by 3 and then add 4 the new mean are 79 and and variance are 144.
Mean = E(x) = 25 , and variance = var(x) = 16 multiply by the value by 3 and add 4
mean = 3 x 24 + 4 = 79
Variance = 3^2 x 16 = 9 x 16 = 144
=> mean = 79 , variance = 144
Variance is a statistical measure that represents the degree of dispersion or variation in a set of data. It is the average of the squared differences between each value and the mean of the data set. The variance shows how spread out the data is and how much each value deviates from the average.
A high variance indicates that the data points are spread out over a wide range, while a low variance indicates that the data points are clustered around the mean. Variance is useful in various fields, including finance, engineering, and social sciences, where it is used to analyze data, test hypotheses, and develop predictive models. Standard deviation is a more intuitive measure of variation as it is expressed in the same units as the data, while variance is expressed in squared units.
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Complete Question: -
If we have a data set with a mean of 25 and a variance of 16, what are the new mean and variance if we multiply the values by 3 and then add 4?
A. Mean - 79, variance - 144
B. Mean - 79, variance - 48
C. Mean - 87, variance - 144
D. Mean - 87. variance - 48 ОООО
