i don't know how to start

I Don't Know How To Start

Answers

Answer 1

Using the equation of the proportional relationship, the number of miles she would drive on 50 gallons is: 1,660 miles.

What is a Direct Proportional Relationship?

A direct proportional relationship can be defined by the equation, y = kx, where the constant of proportionality between the variables is given as the value of k.

First, we need to write an equation that defines the table of values given. To do this, find the constant of proportionality by using any pair of values from the table, say (6, 199.2):

Number of gallons used = x

Number of miles driven = y

Constant of proportionality, k = y/x = 199.2/2

k = 33.2

To write the equation for the proportional relationship, substitute k = 33.2 into y = kx:

y = 33.2x

To find the how many miles she would drive on 50 gallons, substitute x = 50 into y = 33.2x:

y = 33.2(50)

y = 1,660 miles.

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Related Questions

Please help me solve

Answers

Answer:2sin(x)

Step-by-step explanation:.

Answer: D.

Step-by-step explanation:

Help fast due soon

Given: AC = CB
CD Bisects AB
Prove: AADC= ABDC

What are the statements and reasons

Answers

Answer:

Step-by-step explanation:

Given: AC = CB

CD Bisects AB 

Prove: ΔADC= ΔBDC

AC≅CB Given

AD ≅ DB are congruent because of the segment bisector theorem.

DC≅DC reflexive property

ΔADC≅ ΔBDC  SSS theorem

At Master Street Elementary School
there are 22 classrooms. If there are
30 students in each classroom, how
many students are there in the entire
school?

Answers

660 or it may not be that because only said that theres 22 classrooms. So yeah ;)

30 x 22 = 660 its just multiplication

you toss a fair coin 9 times. find the probability of no more than 8 heads given that at least one toss resulted in heads.

Answers

On tossing a fair coin 9 times, the probability of no more than 8 heads where at least one toss is heads would be 511/512.

What is Probability?

The possibility of an event happening is gauged by probability. Many things are difficult to forecast with absolute confidence. We can only anticipate the likelihood of an event occurring using it. Probability can vary from 0 to 1, with 0 being an impossibility and 1 denoting a certainty. For pupils in Class 10, probability is a crucial subject since it teaches all the fundamental ideas of the subject. One is the probability of every event in a sample space.

How to solve?

total number of possibilities on tossing a coin 9 times= 2^9

number of ways to get all heads = 1/2^9

number of getting at most 8 heads = number of ways of getting one tail

= 1 - 1/2^9

=511/512

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I need help thank you. (pls give a proper explanation) here is the question I need this asap pls answer quick
...............................

Answers

To keep track of each student's preferred hue, Mr. Roberson constructed a frequency table. According to the frequency chart, the following statements are accurate:

Twice as many students prefer green than purple.Two more students prefer blue than purple.

Hence, Options B and D are correct.

What is the meaning of the term “frequency table”?

The number of times a specific value appears in the data is the value's frequency. Frequency tables or charts are used to represent frequency distributions.

A variable's distribution is its frequency pattern, or the collection of all conceivable values and the frequencies corresponding to those values.

Therefore, Options B and D are correct.

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Find an equation that is perpendicular to 4x+3y=12

Answers

Answer:

Step-by-step explanation

x=2

Five friends divid three bags of apples equally between them. Write the division represented in this situation as a fraction.

Answers

The fraction when five friends divide three bags of apples equally between them is 3/5.

What is a fraction?

A fraction is simply a piece of a whole. The number is represented mathematically as a quotient where the numerator and denominator are split. In a simple fraction, the numerator as well as the denominator are both integers.

Therefore, the fraction when five friends divide three bags of apples equally between them will be:

= Number of apple / Number of friends

= 3/5

The fraction is 3/5.

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Select the correct answer. How many solutions does this system of equations have? y = x^2 + x + 3, y = -2 - 5
A. No solution
B. 1 solution
C. 2 solutions
D. 3 solutions

Answers

The system of equations has no solutions, the correct option is A.

How many solutions does the system of equations has?

The system of equations is:

y = x^2 + x + 3

y = -2x -5

The system can be solved if we solve the equation:

-2x - 5 = x^2 + x + 3

So we need to solve that quadratic equation, we can rewrite it as:

x^2 + x + 3 + 2x + 5 = 0

x^2 + 3x + 8 = 0

Let's check the discriminant to see how many solutions we have:

D = (3)^2 - 4*1*8

D = 9 - 32 = -23

We have a negative discriminant, so we only have complex solutions, thus, the system of equations has no solutions.

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five hamburgers cost 5.25 at this rate what is the cost of 8 hamburgers

Answers

Answer: 8.4

Step-by-step explanation: 5.25 divided by 5 is 1.05. So 1.05 x 8 is 8.4

1. Divide 5.25 by 5 to get the price of 1
2. Price of 1 is 1.05
3. 1.05 multiply by 8 is 8.40
ANSWER: $8.40 for 8

The of the degrees of each factor is the degree of the product.

Answers

Answer:The degree of the product is equal to the sum of the degrees of the factors.

Step-by-step explanation:

mary has 16 forks and 12 knives to place in silverware holders at the fast food restaurant where she works. she wants to distribute them equally, with no forks or knives left over. what is the greatest number of silverware holders mary can stock?

Answers

The greatest number of silverware holders Mary can stock is 4, each containing 4 forks and 3 knives so that no fork or knife is left over and are distributed equally.

What is distribution?

When a quantity is to be distributed equally into a certain number of groups, we divide the quantity by the number of groups.

Equating number of silverware stocks :

Given: 16 Forks and 12 knives

To find: number of silverware stocks = ?

As we know that the knives and forks should be distributed equally in each silverware holder, 4 forks and 3 knives will go into each of the silverware holder.

Now, we need number of silverware holders each having same number of forks and knives.  

4 forks×4 = 16

3 knives× 4  = 12

∴ Number of silverware holders Mary requires to distribute knives and forks equally with no left over is 4.

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Jenna received some gift cards for music and movie downloads for her birthday. Using one of
them, she downloaded 16 songs and 2 movies, which cost a total of $46. Using another, she
purchased 1 movie, which cost a total of $15. How much does each download cost?

Answers

Answer:

Step-by-step explanation: 500

help please got the answer -.75 but don't think it's the right answer, please help or
Verify. The first to answer correctly will be rewarded the brainleyest

Answers

Answer:

f = 8

Step-by-step explanation:

First, let's multiply this equation out

10 = 3f - 15 + 1

Simplify:

10 = 3f - 14

Add 14 to both sides:

24 = 3f

Divide both sides by 3:

f = 8

Let's plug this in to make sure:

10 = 3(8 - 5) + 1

10 = 24 - 15 + 1

10 = 24 - 14

10 = 10

Thus, the answer is not -75, but I applaud you for trying before coming here!

I hope this helped!

what is the recursive formula ​

Answers

Answer: The recursive formula generate term at a time by relating the term to one or more previous terms

Step-by-step explanation: The formula for recursive is

f(1)=6,f(n)=f(1)+f(n-1),n>1

In triangle XYZ, m2Y = 63.25° and mzZ= 28.8°. Determine the measure of the exterior angle to X.
O92.05°
87.95°
061.20⁰
26.75°

ASAP!!

Answers

The value of the exterior angle of the  measure of the angle X is found as  120.85°.

Explain the term linear pair?When two lines cross at one point, a linear pair with angles is created. If the angles follow the intersections of the two lines in a straight line, they are referred to as linear. A linear pair's total angles are always proportional to 180°.

For the stated question-

Three angles of the triangle XYZ are-

∠Y = 63.25°

∠Z = 28.8°.

then, by angle sum property of  triangle.

∠X + ∠Y + ∠Z = 180

∠X = 180 - 63.25° - 28.8°.

∠X = 87.95

Thus, exterior angle to X.

Exterior angle = 180 - ∠X (linear pair)

Exterior angle = 180 - 87.95

Exterior angle = 120.85°

Thus, the value of the exterior angle of the  measure of the angle X is found as  120.85°.

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Answer:

the answer is 87.95

Step-by-step explanation:

(1 point) from a group of 8 men and 7 women a committee consisting of 4 men and 3 women is to be formed. how many different committees are possible if

Answers

There are 1365 different committees that are possible if a group of 3 men refuses to serve together.

Given that,

From an 8 men, 7 woman group A committee made up of four men and three women will be created.

If all prerequisites are met, a total of committees could be formed.

⁸C₄ x ⁷C₅=  70 x  21= 1470

Three males now reject serving in unison.

As a result, in the event that they serve simultaneously, a combination is= ⁵C₄ x ⁷C₅= 5 x 21= 105

Therefore, a combination that could be used in the event that they don't work together is = 1470- 105= 1365

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Which expression is equivalent to x 6 – 16x 2

Answers

Answer:

Below

Step-by-step explanation:

x^6 -16x^2   =   x^2 ( x^4 - 16 )    is one possibility

                                             ( you didn't include choices)

X^2(x^4-16) this answer is a possibility

Madelyn launches a toy rocket from a platform. The height of the rocket in
feet is given by h(t) = -16t² + 16t+ 96 where t represents the time in
seconds after launch. What is the appropriate domain for this situation?
Answer:

Answers

The domain of the function (t) in h(t) = -16t² + 16t+ 96 should be greater than or equal to 3 seconds.

What are inequalities?

Inequality is a relation that compares two numbers or other mathematical expressions in an unequal way. The symbol a < b indicates that a is smaller than b. When a > b is used, it indicates that a is bigger than b.

Given that height of the rocket in feet is given by h(t) = -16t² + 16t+ 96 where t represents the time in seconds after launch

We know that height can not be negative.

∴ h ≥ 0.

So,  - 16t² + 16t+ 96 ≥ 0.

- t² + t+ 6 ≥ 0.

t ≥ 3 seconds.

Therefore the domain of the function (t) in h(t) = -16t² + 16t+ 96 should be greater than or equal to 3 seconds.

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Use the unit fraction 1/5 to represent the space between the tick marks on the number line. Write an expression involving subtraction that is being modeled. Then find the difference.

Answers

Yes it would not work because of the difference in the number

an executive hires 3 office workers from 8 applicants. (a) in how many ways can the selection be made?

Answers

The number of ways can the selection be made is 84.

Given:

an executive hires 3 office workers from 8 applicants.

a ) .

Number of ways = C ( 8 , 3 )

C ( n , r ) = n! / ( n - r ) ! r!

C ( 8 , 3 ) = 8! / ( 8 - 3 ) ! 3!

= 8! / 5! * 3 !

= 8 * 7 * 6 * 5! / 5! * 3!

= 56 * 6 / 3!

= 56 * 6 / 3 * 2 * 1

= 56 * 3 / 2 * 1

= 28 * 3 / 1

= 28 * 3

= 84 ways

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The amount of money in an account may increase due to rising stock prices and decrease due to falling stock prices. Mason is studying the change in the amount of money in two accounts, A and B, over time.
The amount f(x), in dollars, in account A after x years is represented by the function below:
f(x) = 10,125(1.83)x
Part A: Is the amount of money in account A increasing or decreasing and by what percentage per year? Justify your answer. (5 points)
Part B: The table below shows the amount g(r), in dollars, of money in account B after r years.
r (number of years) 1 2 3 4
g(r) (amount in dollars) 9,638 18,794.10 36,648.50 71,464.58
Which account recorded a greater percentage change in amount of money over the previous year? Justify your answer.

Answers

(a) The amount will be increasing by 83%.

(b)  Part B's account has a higher percentage change in money over the preceding year than Part A's account.

A part or quantity in every hundred is defined as a percentage. It's a fraction having a denominator of 100. The percentage difference is the change in the value of a quantity over time expressed as a percentage difference. Percentage Change is a term used to describe the growth or decrease in a quantity expressed in percentages.

Find:

Whether the amount is increasing or decreasing over the years and which is experiencing a greater change.

From the given equation,1.831>1 , this shows that money in account A is  83% more, compared to its previous year. The amount will be increasing by 83%.

Part B:

The change in each consecutive term is 94%. This shows that the consecutive term is multiplied by 94%  the previous year's amount. As a result, Part B's account has a higher percentage change in money over the preceding year than Part A's account.

Hence we get the required answer.

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The formula A=6V^2/3 related the surface Area ‘A’, in square units, of a cube to the volume ‘V’, in cubic units. What is the volume, in cubic inches, of a cube with surface area of 396.

Answers

536.2  cubic inches  is the volume of a cube with surface area of 396.

What is Three dimensional shape?

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

Given,

[tex]A=6V^{\frac{2}{3}}[/tex]

A is surface Area ‘A’, in square units, of a cube

V is  volume of cube in cubic units.

We need to find the volume, in cubic inches, of a cube with surface area of 396.

A=396

We need to find V

[tex]V^{\frac{2}{3} } =A/6[/tex]

=396/6

=66

[tex]V=66^{\frac{3}{2} }[/tex]

V=536.2  cubic inches

Hence, 536.2  cubic inches  is the volume of a cube with surface area of 396.

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Find the absolute extrema for the given function on the interval [15.6, 19.2). Write your answer in the form (x.f(x)). Round your answers to two decimal places. f(x) = In (12x^2 - 11x + 2)
Absolute Minimum: Absolute Maximum

Answers

we use is the derivative of top times bottom times top over bottom squared. At the critical point, we want eight X ln x minus four X to equal zero.

Only one answer—two x minus one and one x minus half—will satisfy the condition. The largest and smallest endpoints on the left and right must be determined. On each of these items, there is an E square root. A maximum for the minimums occurs at critical point or endpoints. We can see that these will be absolute according to the extreme value theorem, and here is our maximum.

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PLEASE HELP QUICK THIS IS DUE IN 5 MINUTES!!!
Find the surface area of a cube with side lengths of 2 meters.
Use the formula SA= 6s², where s =side lengths (This is algebra)
A: 10 square meters
B: 64 square meters
C: 144 square meters
D: 24 square meters

Answers

Answer:

The answer is d: 24 square meters

suppose that the mean weight of king penguins found in an anarctic colony last year was 15.4 kilograms and the standard deviation was 2.5 kilograms. you want to test the null hypothesis that the mean penguin weight this year does not differ from last year. assume that the standard deviation has not changed. you are planning to measure a random sample of 100 penguins. at 10% significance level, find the critical values for the test.

Answers

we are 90% confident that the mean penguin height lies in the range:

14.99 and 15.81

A popular deviation (or σ) is a degree of the way dispersed the facts is on the subject of the imply. Low popular deviation way facts are clustered across the imply, and excessive popular deviation shows facts are greater unfold out. What is the usual deviation example? Consider the facts set: 2, 1, 3, 2, four.

The imply and the sum of squares of deviations of the observations from the imply could be 2.four and 5.2, respectively. Thus, the usual deviation could be √(5.2/5) = 1.01. Standard deviation tells you ways unfold out the facts is. It is a degree of the way some distance every determined fee is from the imply. In any distribution, approximately 95% of values could be inside 2 popular deviations of the imply.

Given sample  mean=x=15.4 kg

sample standard deviation=s=2.5 kg

sample size=n=100 penguins

z multiplier for 90 CI is 1.645

90% CI for population mean is given by:

[tex]X+Z_{\frac{\alpha }{2} } * \frac{Z}{\sqrt[]{N} }[/tex]

15.4 (±)1.645(2.5)/sqrt(100)

15.4(±)1.645(2.5)/10

15.4  (±)  0.41125

15.4-.41125<μ<15.4+.41125

14.98875<μ<15.81125

we  are 90% confident that the mean penguin height lies in the range

14.99 and 15.81

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the number of golf balls in tigers golf bag (y) after x rounds of golf is represented by the equation y=-3x+28 what is the meaning of the value of "-3" in the context of this situation? question 8 options: tiger loses 3 balls each round. tiger begins with 3 balls in his golf bag. tiger finishes with 3 balls in his bag. tiger adds 3 balls to his bag each round.
Question 8 options:


Tiger begins with 3 balls in his golf bag.


Tiger finishes with 3 balls in his bag.


Tiger adds 3 balls to his bag each round.

Answers

The value of "-3" in the context of this situation is "tiger loses 3 balls each round".

The correct answer option is option A

How to determine the parameters in an equation?

y = -3x + 28

Where,

The number of golf balls in tigers golf bag = yRounds of golf = xNumber of balls lost each round = -3

For instance, if the tigers played 8 rounds of golf,

The number of golf lost = - 3x

= -3(8)

= -24

Then,

The number of golf balls in tigers golf bag,

y = -3x + 28

= -3(8) + 28

= -24 + 28

= 4 golf balls.

Therefore, the situation can be solved using equation and determining the parameters of the equation.

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Answer:

Tiger begins with 3 balls in his golf bag.

Step-by-step explanation:

:)

4. Find the value of x and the length of the three sides.

Answers

Answer:

I think the values are :

Step-by-step explanation:

AC= -5

CB= -2

AB= -3

I need help what is Three times a number is less than twice the number added to 8 ?

Answers

Answer:

Step-by-step explanation:

The answer is 3.

X=2X-3

X+3=2X

3=2X-X

3=X

Answer:

3x < 2x + 8

Step-by-step explanation:

PLS HELP!!! I really need help!
Use substitution to solve the system.

5x + 4y = 9
-2x + y = -14

Answers

Answer:

x = 9/5 − 4y/5

x = 7 + y/2

Step-by-step explanation:

Move all terms that dont contain x to the right side and solve.

suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 with a standard deviation of $2,500. use the 68-95-99.7 rule to find the percentage of buyers who paid.b) more than $155,000

Answers

Percentage of buyers who paid more than $155,000 is equal to 2.78%.

What is standard deviation?

The standard deviation is a metric that reveals the degree of variation (such as spread, dispersion, and spread) from the mean. The standard deviation represents a "average" departure from the mean. Because it uses the original units of measurement from the data set, it is a well-liked measure of variability. Similar to variance, there is little variation when data points are close to the mean, but there is much variation when data points are widely scattered from the mean. The amount of departure from the average is determined by standard deviation. The most common measurement of dispersion, the standard deviation, is based on all values. Therefore, a change in even one value has an impact on the standard deviation's value. It is

Given:

Mean is $150,000, and

Standard deviation is $2500.

We need to determined the percentage of buyers who paid more than $1,55,000 as per given mean and standard deviation.

By using z score formula can be use to calculate the percentage of the buyer who paid,

z=    [tex]\frac{x-μ}{σ}[/tex]

As given in question sample mean i.e. X= 150,000

= [tex]\frac{1,55,000- 1,50,000}{2500}[/tex]

=2

By using standard normal distribution table,

P(X > 155000) = P( z > 2 )

= 1 - 0.9772

=0.0278

Hence, it is equal to 2.78%.

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