Help fast pleaseee thank u

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Answers

Answer 1

The relative frequency of all students surveyed who go to Cook Middle School and prefer Energy flow is 57%.

What is relative frequency?

This refers to how many times a particular type of occasion takes place within the total number of observations. This type of frequency uses percentages, fractions, and proportions.

Formula for calculating Relative Frequency:

Relative Frequency =         Count of event

                                   Total number of Observation

From the question:

No of students that like Gym Juice in Elim School =5

No of students that like Energy Flow in Elim School =10

Total Number of students in Elim School =15

No of students that like Gym Juice in Cook Middle School =15

No of students that like Energy Flow  in Cook Middle School =20

Total Number of students in  Cook Middle School  =35

Calculating The relative frequency of all students surveyed who go to Cook Middle School and prefer Energy flow:

Relative Frequency =         Count of event

                                   Total number of Observation

Relative Frequency =       20

                                          35

                                    =0.57 or 57%

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Related Questions

If the time is 10:05, what time will it be in 1000 minutes?

Answers

Answer:

2:45

Step-by-step explanation:

1 hour has 60 minutes so:

number of hours in 1000minutes:

1000/60=16.6666hours

so 16 hours + 0.6666 hours

convert 0.6666 hours to minutes;

0.6666x60=39.99minutes=40 minutes(rounded)

10:05+16hours+40 minutes

2:05+40minutes=2:45

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The weight of one serving of trail mix is 2. 5 ounces. How many servings are there in 22. 5 ounces of trail mix?.

Answers

9 servings are there in 22.5 ounces of trail mix.

Given:

The weight of one serving of trail mix is 2. 5 ounces.

1 serving = 2.5 ounces

Number of servings = 22.5 ounces / 1 serving

= 22.5 / 2.5

= 225/10/25/10

= 225/25

= 9 servings.

Therefore 9 servings are there in 22.5 ounces of trail mix.

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the quadratic equation x2 mx n has roots twice those of x2 px m, and none of m, n, and p is zero. what is the value of n/p?

Answers

The value of n/p is 8.

What is quadratic equation?

A quadratic equation in algebra is any equation that can be written in standard form as where x is an unknown and where a, b, and c denote known numbers, where a ≠ 0.

Let, for x^2 + mx + n = 0

⇒ x = 2α or 2β

From the given condition,

for x^2 + mx + n = 0 ⇒ x = α or x = β

Then,

2(α + β) = -m           ..(1)

4αβ = n                    ..(2)

and α + β = -p         ..(3)

αβ = m                     ..(4)

From equation (1) and (3),

-m/2 = -p

⇒ p = m/2

and from equation (2) and (4),

n/4 = m

⇒ n = 4m

Therefore,

n/p = 4m / (m/2) = 4 x 2 = 8

Hence, n/p = 8.

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(Please help quick!)

Find the area of the triangle.

A=?ft^2

Answers

ok I will help you

A=hbb

2

b Base

hb Height

Mike's Fitness Center charges $30 per month for a
membership. All-Day Fitness Club charges $22 per month
plus an $80 initiation fee for a membership. After
type your answer...
months will the total amount
paid to the two fitness clubs will be $
type your answer...

Answers

Answer:

the cheaper plan is Mike's until month 10.  At month 10 the plans are equal after month 10 All Day is cheaper

Step-by-step explanation:

30x = 22x + 80  Set the equations equal to each other and subtract 22 from both sides of the equal sign

8x = 80  Divide both sides by 8

x = 10

At 10 months the plan are equal.

An airplane at an altitude of 3000 feet descends at a rate of 500 feet per mile.​

Answers

Five minutes into the descent the airplane has an altitude of 500 feet.

Given that an airplane at 3,000 feet begins to descend at a rate of

500 feet per minute, it is required to write an equation to model the situation and find the altitude of the airplane after 5 minutes.

First, we can model the situation through a linear equation of the form

y = mx + b.

Then, we must identify each variable:

y = A = Altitude

m = decrease per minute = 500

x = t = minute-time

b = Airplane height = 3,000

Now, we set up the equation, substituting y, m, x, and b into the linear equation, as the situation models the descent of the airplane the slope must be negative; thus:

A(t) = 3,000 − 500t

Lastly, we must find the altitude when if t = 5:

A(5) = 3,000 − 500(5)

Solving, we obtain:

A(5)=3,000 − 2,500 = 500

Hence the answer is, Five minutes into the descent the airplane has an altitude of 500 feet.

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Taki keeps all of her black and white photos in portfolio folders. She
was recently asked to show the photos at an upcoming exhibit. She
notices as she sorts through the photos that, in each folder, two out of
every five photos are landscapes.
1. If Taki has 70 black and white photos in one of her portfolio folders,
how many of them are landscapes?

Answers

There are 28 landscapes.

From the question, we have

In five photos = 2 landscapes.

In 70 photos = 2/5*70

=28 landscapes.

Multiplication:

Mathematicians use multiplication to calculate the product of two or more numbers. It is a fundamental operation in mathematics that is frequently utilized in everyday life. When we need to combine groups of similar sizes, we utilize multiplication. The fundamental concept of repeatedly adding the same number is represented by the process of multiplication. The results of multiplying two or more numbers are known as the product of those numbers, and the factors that are multiplied are referred to as the factors. Repeated addition of the same number is made easier by multiplying the numbers.

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Write the equation in standard form using integers
(no fractions or decimals): = −
2
3
− 1

Answers

Answer: 2x3-1

Step-by-step explanation:

true or false: if the eigenvalues of a are 2, 2, 5, then the matrix is certainly (a) invertible. (b) diagonalizable. (c) not diagonalizable.

Answers

The claim of invertible metrix is true and others are false.

In the given value we have to check which is true and which is false for the eigenvalues.

The eigenvalues are 2, 2, 5.

(1) First check the matrix is certainly invertible.

The matrix is invertible when the probuct of eigenvalues does not equal to zero.

invertible of A = 2*2*5

invertible of A = 20 which is not equal to zero.

So the matrix is certainly invertible. The claim is true.

(2) Now we check the matrix is certainly diagonalizable.

We note that the eigen value 2 has an algebraic multiplicity of 2 (number of repetitions), but we are unsure if the accompanying eigen vectors likewise have a count of two (geometric multiplicity)

The sum of the algebraic multiplicities must equal the sum of the geometric multiplicities in order for A to be diagonalizable.

In this instance, there is no evidence to support the geometric multiplicity of the eigenvalue 2. Therefore, we are unable to affirm that A is diagonalizable.

Consequently, the claim is false.

(3) Now we check the matrix is certainly not diagonalizable.

If the homogeneous equation from (A-⋋I)x=0 when the eigen value ⋋=2 is substituted x+y+z=0, then the solution set is x=-k-m where y=k, z=m are the parameters.

So it can be written as

[tex]\left[\begin{array}{ccc}x\\y\\z\end{array}\right] =k\left[\begin{array}{ccc}-1\\1\\0\end{array}\right] +m\left[\begin{array}{ccc}-1\\0\\1\end{array}\right][/tex]

Putting k=1 and m=1, then the corresponding eigen vectors for ⋋=2 are [tex]\left[\begin{array}{ccc}-1\\1\\0\end{array}\right],\left[\begin{array}{ccc}-1\\0\\1\end{array}\right][/tex]

So the geometric multiplicity of the eigen value ⋋=2 is 2.

The algebraic multiplicity = Geometric multiplicity we can see the given matrix A is diagonalizable.

So the statement is false.

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in triangle abc, AB=6.2, AC=9.5, and BC=5.1. Which is the smallest angle of the triangle?

Answers

The smallest angles of the triangle is angle A

In triangle ABC

The length of the side AB = 6.2 units

The length of the side AC = 9.5 units

The length of the side BC = 5.1 units

The opposite angle of AB is angle C, the opposite angle of AC is angle B and the opposite angle of BC is angle A

We know length of the line is BC which is 5.1 units which is the smallest side of the triangle. Then the opposite angle of BC will be the smallest angle in the triangle ABC

The opposite angle of the side BC is angle A, which is the smallest angle in the triangle

Hence, the smallest angles of the triangle is angle A

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What is the output for y=x-4 if the input is 13

Answers

Answer:

9

Step-by-step explanation:

y = x - 4

y = 13 - 4

y = 9

HELP PLEASE HELP PLEASE ADD WORK!! PLEASE HELP NEED IT NOW
The high temperature in Northville one day was 16°F. The low temperature on the same day was –11°F. What was the difference between the high and low temperatures for that day?

Answers

Answer: The answer should be a 27-degree difference

Step-by-step explanation:

If you add -11 and 11 you get 0 then add 16. 11+16 is 27 so a 27-degree difference!!!

In the past month, Chau rented 5 video games and 4 DVDs. The rental price for each video game was $3.30. The rental price for each DVD was $3.80. What is the total amount that Chau spent on video game and DVD rentals in the past month?
Does anyone know how to do that?

Answers

The total amount that Chau spent on video game and DVD rentals in the past month is $31.70.

How to calculate the cost?

Given that Chau rented 5 video games and 4 DVDs and the rental price for each video game was $3.30 while the rental price for each DVD was $3.80.

The Total amount that was spent will be:

= Amount spent on video games + Amount on DVD

= (5 × $3.30) + (4 × $3.80)

= $16.50 + $15.20

= $31.70

The amount is $31.70.

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Describe domain and range
F(x)= -2x^2-3x+9

Answers

Answer:

First, know that this is a downwards parabola graph.

Domain is (-∞, ∞) because x can be any value.Range has to be (−∞, [tex]\frac{81}{8}[/tex]] because the graph reaches a maximum y-value at [tex](-\frac{3}{4}, \frac{81}{8} )[/tex].

5. Solve each of the following:
4 movie tickets cost $36. At this rate, what is the cost per ticket? S
a.
In my oping the onswer is 95
b. 3 ice cream cones cost $8.75. At this rate, how much do 5 ice cream cones cos
In my oping the avviciu, col
c. 5 bananas cost $2.00. At this rate, how much do 12 bananas cost? $

Answers

The cost per ticket is $9, the cost of 5 ice cream cones is $14.58 and the cost of 12 bananas is $4.8.

a.

4 movie tickets cost $36.

cost per ticket = 36/4

= $9,

The cost per ticket is $9.

b.

3 ice cream cones cost $8.75.

1 ice cream cost = 8.75/3

= 2.916

5 ice cream cost = 2.916*5

= $14.58.

The cost of 5 ice cream cones is $14.58.

c.

5 bananas cost $2.00.

1 banana cost = 2/5

= 0.4

12 bananas cost = 0.4*12

= $4.8.

The cost of 12 bananas is $4.8.

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The population of a city is increasing at a steady rate of 2.4% per annum.
The current population is 528 000.
What is the expected population in 4 years?
Give your answer to the nearest thousand.

Answers

The expected population of a city in 4 years is 581,000.

What is defined as the rate of population growth?The average annual rate of change in population size for a specific ethnicity, country, or region over a given time period. It expresses the proportion, usually multiplied by 100, between the annual growth in population size and also the total population in that year.

Current population (P) = 528 000.

Rate of growth (r) = 2.4%

Time t = 4 years

Expected population (A) = ?

The formula used is-

A = P(1 + r/100)∧t

Put the values.

A = 528 000(1 + 2.4/100)∧4

A = 528 000 x (1.042)∧4

A = 581,000

Thus, the expected population  of a city in 4 years is 581,000.

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One leg of a right triangle is twice as long as the other. Write the length of the hypotenuse as a function of the length of the shorter leg.

Answers

The length of the Hypotenuse is, [tex]\sqrt{5}x[/tex] units.

What is Pythagoras Theorem?

The relationship between the three sides of a right-angled triangle is explained by the Pythagoras theorem, commonly known as the Pythagorean theorem. The Pythagoras theorem states that the square of a triangle's hypotenuse is equal to the sum of its other two sides' squares.

Let the one leg of a right triangle is twice as long as the other.

Suppose the shorter leg is x.

So the longer leg is 2x.

Let, the hypotenuse is h.

By Pythagoras Theorem,

[tex]x^2 + (2x)^2 = h^2\\x^2 + 4x^2 = h^2\\5x^2 = h^2\\h = \sqrt{5} x[/tex]

Hence, the hypotenuse as a function of the length of the shorter leg, is [tex]\sqrt{5}x[/tex] units.

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help needed asap !!!!

Answers

Third answer from the top. -20, -1, 7, 15, 20.
Negative numbers are less than positive numbers
It would be the third answer to the top

though the cri gin
10) Consider the graph shown. Determine the slope and write an equation in the form y = mx + b to
represent the line.

-8
A
h
8
6
Y
-2-
-4-
-6
-8
0 2
4
6
8

Answers

Answer:

Y= x+1

Step-by-step explanation:

m=2-1/ 1-0; m=1

Y-2= 1(x-1)

Y= x-1+2

Y= x+1

In thi triangle, angle W equal (3x-24) degree, and angle C equal (4x-11) degree, and angle T equal 2x degree, what doe angle W equal?

Answers

The angle W equal to 24.3

In a triangle sum of three angles is equal to 180

W = (3x-24) degree

C = (4x-11) degree

T = 2x degree

3x-24+4x-11+2x=180

9x-35=180

9x=180-35

9x= 145

x=16.1

substitute the value of x in W equation

W = 3(16.1)-24 = 24.3

The value of angle W is 24.3

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Bill is driving on the highway he begins the trip 12 gallons of gas in his car. the car use miles let represent the number of gallons of gas he has left in his tank and let D represent the total distance (in miles) traveled. Write an equation relating G to D and then graph your equation using the axes below.
graph and make a equation to support your awenser

Answers

Answer:

12 - D = X

Step-by-step explanation:

Im not REALLY x2 sure but hope its helpful

Each day, Julius reads 3 more pages in his novel than he read the day before.
If he read 8 pages on the first day, how many pages will he read on the 11th day?
OA. 33
OB. 35
C. 38
O D. 41

Answers

Answer:

He will read C. 38 pages on the 11th day.

Step-by-step explanation:

First day = 8 pages

2nd day = 8+3 = 11 pages

Sequence = (8,11,14.......)

a+(n-1)d

a = first term

nth term = 11

d(difference) = +3 or 3

8+(11-1)3

=38

Mark sells a car that has been marked up $450, which was 25% of the buying price. He also has to charge a 9% sales tax on the selling price of the car. What is the final price of the car?

Answers

The final price of the car when Mark sells a car that has been marked up $450 is $2452.50.

How to calculate the price?

From the information, Mark sells a car that has been marked up $450, which was 25% of the buying price.

He also has to charge a 9% sales tax on the selling price of the car. The final price of the car will be:

= Original price + Mark up + Tax

= $1800 + $450 + (9% × $1800 + $450)

= $1800 + $450 + $202.50

= $2452.50

The price is $2452.50.

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Find the prime factorization of
the number 68.
Order the factors from least to greatest.
Remember, 1 is not a prime number.
[?] × [ ] × [ ]
X
X
Enter the number that belongs in the green box.

Answers

Answer:

[tex]68 = 2 \times 2 \times 17[/tex]

Maria will spin the arrow on the spinner 2 times. What is the probability that the arrow will stop on the same letter twice?.

Answers

Probability that the arrow will stop on the same letter twice = 1/3 (c).

What is probability?

The area of arithmetic called likelihood deals with numerical representations of the chance that a happening can occur or that an announcement is true.

Main body:

Given : Maria will spin the arrow on the spinner 2 times.

To find : What is the probability that the arrow will stop on the same letter twice.

Solution : We have given a spinner that spin twice and stop on the same letter.

Formula for probability = no. of favourable outcome/ total outcomes

Here, total part of spinner = 3 and it spin two times

So, total possible outcome = 6.  Arrow stay on same letter twice( favorable outcome) =2.

Plugging the values in formula :

Probability =  2/6

Probability =  1/3

Therefore,  probability that the arrow will stop on the same letter twice =  (c).

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56 women make up an all female choir in a church. Two women are chosen to sing together for a duet. How many possible pairs could be chosen for the duet?

Answers

28? Not sure though
The correct answer is 28

Chapter 3/4 test i need help please

Answers

Answer:

Answer number 3

y=-9x+5

it is due now!!! 20 points

The per capita consumption (in pounds) of all poultry in a country is approximated by the function C(x) = 2.97x +92.19, where x is the number of years since 2014. Find and interpret C(1)

Answers

By evaluating the function in x = 1 we get:

C(1) =  95.16

This means that the per capita consumption of all poultry in 2015 was 95.16 pounds.

How to find C(1)?

Here we have the linear function:

C(x) = 2.97*x+ 92.19

We know that it models the consumption of all poultry in a country as a function of x, the number of years since 2014.

Then C(1) will be the consumption of all poultry in that country one year after 2014 (this would be on 2015).

To evaluate we just need to replace the variable x in the equation by 1, we will get:

C(1) = 2.97*1+ 92.19 = 95.16

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Show algebraically that the sum of 2 consecutive numbers is always odd.

Answers

Answer:

Two consecutive numbers can be written as x and x+1

if we add those two equations together we get 2x+1

And since any number times two is an even number if you add one to any even number you always get an odd number

An artist charges $980 for a portrait but gives 5% discount for cash. Calculate the cash Price for portrait

Answers

Answer: $931

Step-by-step explanation:

Since $980 is 100% of the price and the cash discount is 5% we can calculate the cash price of the portrait like this:

$980 full price* (1 - .05 discount) = $931

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What is true of the federal level of government and thestate and local level inthe creation of public policy? A. Both set policy related to public education. B. Both set policy related to family law. C. Both set policy related to foreign countries. D. Both set policy related to the economy.SUBMIT a project has sales of $300,000, costs of $200,000, depreciation of $60,000, interest expense of $4,000, and a tax rate of 21 percent. what is the value of the depreciation tax shield? The amount y (in dollars) ofmoney you have left afterplaying x games at acarnival is y=-0.75x + 10.How much money do youhave after playing eightgames? the minority carrier current in a reverse biased p-n junction diode can be increased by (a) increasing the height of the potential barrier of the junction (b) decreasing the height of the potential barrier of the junction (c) decreasing the majority carrier concentrations in p and n-side regions (d) increasing the density of minority carriers wandering into the depletion region per second Kammi and Alejandro each go to a hardware store to buy wire. The table shows the relationship between the cost and the length of wire. a. Kammi needs 24 feet of wire. How much will she spend on wire? b. Alejandro needs 13 yards of wire. How much will he spend on wire? A sentence is a fragment or incompletesentence if it lacks aadverbial phrase.more than one clause.complete thought.prepositional phrase. Melissa uses 3/5 as much water as Neil to water her plants. If Melissa uses 4 and 1/3 gallons of water, how much does Neil use? In The Secret Life of Walter Mitty, what is the best way to describe the fantasy pilot character Captain Mitty? a. cocky b. aggressive c. passive d. dim-witted Read the selection/paragraph from the section "Appeals From State Supreme Courts."The U.S. Supreme Court rarely agrees to retry a state supreme court case when the case involves issues of state law. However, the Supreme Court will hear cases in which the state supreme courts decision was based on a debatable reading of the U.S. Constitution.What conclusion is BEST supported by the paragraph above? Help pls2 Answers and I can make brainliest whoever has the correct answer Solve the system if possible by using Cramer's rule. If Cramer's rule does not apply, solve the system by using another method. Write all numbers as integers orsimplified fractions.-4x-5y+6z = 5-3x+6y-2z = 45x+9y-3z = 1 Dha and epa, eicosanoids derived from omega-3 fatty acids, reduce blood clot formation and promote heart health. The richest food source of dha and epa is ____________. when a traffic accident is investigated, it is common for the length of the skid marks to be measured. how could this information be used to estimate the initial speed of the vehicle that left the skid marks? Salespeople at a certain company have a quota to meet each month. On average, they hit the quota 68% of thetime. If a salesperson hits the quota, the probability of being promoted in the next six months is 0.41. If a persondoesn't hit the quota, the probability of being promoted is 0.14.Use the tree diagram to complete each statement.The probability of no promotion, given that a salesperson hit the quota: A isThe probability of a promotion, given that a salesperson missed the quota: B isThe probability of no promotion, given that a salesperson missed the quota: C isThe probability that a salesperson hit the quota and got promoted: D isVDone An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $5200 and his stock in Company B was worth $6450. The stock in Company A has decreased 3% since last year and the stock in Company B has decreased 6%. What was the total percentage decrease in the investor's stock account? HELP!!! I am having trouble understanding how to do these problems. Can someone please help explain how to complete these problems. Thank you so much!1. Find the measure of Oracin con la palabra hostilidad! Ayudaaa under the conduit theory, taxes payable on dividends and interest distributed by a regulated investment company are paid: 1. In 2018, Fast Company identified Apple as the number one most innovative company in the world. Why do you think Apple has been given this accolade? our club has $25$ members, and wishes to pick a president, secretary, and treasurer. in how many ways can we choose the officers, if individual members may hold more than one office?