Raul is selling coupon books. He started with 50 coupon books and has already won a prize for selling at least 10 coupon books. The total amount of money Raul will make from selling x coupon books is represented by a function.

f(x)=20xf(x)=20x

What is the practical domain of the function if Raul sells 50 coupon books?

Answers

Answer 1

The practical domain would be all integers 10 to 50.

Related Questions

Given B = {a, l, g, e, b, r} and C = {m, y, t, h}, find B ∪ C

Answers

The union of two sets includes elements found in both sets. Here, including every element in both B and C yields the set B ∪ C = {a, l, g, e, b, r, m, y, t, h}

What is the inverse of the conditional statement “If a number is divisible by 6, then it is divisible by 3”?

Answers

If a number is not divisible by 6, then it is not divisible by 3. That is your answer.
Hope this helps

If a number is divisible by 6, then it is divisible by 3. Like 6x3=12
6 divided by is 2
Hope this helped!!!!!

Each of my daughters has as many brothers as sisters, but each of my sons has three times as many sisters as brothers. How many children do I have?

Answers

Put the number of daughters as x and number of sons as y.

For the first half of the statement:
Number of sisters any daughter has = x-1 ( because you can't be your own sibling)
Number of brothers = y

y=x-1.

For the second half:
Number of sisters any son has = x
Number of brothers any son has = y-1

3(y-1)=x

Solve as system of equations.
3y-3=x
3(x-1)-3=x
3x-3-3=x
2x=6
x=3
y=x-1=3-1=2

3 daughters and 2 sons.

Hope this helps!
Your fortune is "You can't have everything...where would you put them all?"

Final answer:

The family has 3 sons and 3 daughters, for a total of 6 children.

Explanation:

The question is a problem in basic algebra which can be solved using simple logical reasoning. We are given that each daughter in the family has as many brothers as sisters, and each son has three times as many sisters as brothers.

Let's start by saying that the number of daughters is D and the number of sons is S.

If each daughter has the same number of brothers as sisters, that means D = S. But, each son has three times as many sisters as brothers, which we can express as S = 3*(D - 1), because the number of sisters for each son is the number of daughters minus one (each son doesn't count himself as a sister).

By substituting D from the first equation into the second, we get S = 3 * (S - 1), which simplifies to S = 3, and thus D = 3 as well.

So, the family has 3 sons and 3 daughters, for a total of 6 children.

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Rewrite the expression as a polynomial in standard form.

Answers

combine like terms (click on pic)
and then rewrite putting the number with the highest exponent first, the second highest and so on

The expression (2x² - x³ - 9x + 1) - (x³ + 7x - 3x² + 1) can be rewritten in standard form as -2x³ + 5x² - 16x

How did we get the value?

To rewrite the expression (2x² - x³ - 9x + 1) - (x³ + 7x - 3x² + 1) as a polynomial in standard form, we can combine like terms.

First, let's distribute the negative sign in front of the parentheses:

(2x² - x³ - 9x + 1) - x³ - 7x + 3x² - 1

Next, let's group the like terms together:

2x² + 3x² - x³ - x³ - 9x - 7x + 1 - 1

Now, let's combine the terms:

(2x² + 3x²) + (-x³ - x³) + (-9x - 7x) + (1 - 1)

5x² - 2x³ - 16x + 0

Finally, the expression (2x² - x³ - 9x + 1) - (x³ + 7x - 3x² + 1) can be rewritten in standard form as:

-2x³ + 5x² - 16x

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How to find the measure of an exterior angle given the measure of the interior angle?

Answers

Exterior angles are always supplementary to the interior angle, because to get an exterior angle you have to keep the line going from one interior angle. That means that

(measure of interior angle)+(measure of exterior angle)=180 degrees

You can change the form of the equation and get

(measure of exterior angle)=180 degrees - (measure of interior angle)

So, to find the exterior angle, just subtract the interior angle from 180.

Hope this helps!

Using the speaking outline, how many times should you practice? five or more three two one

Answers

According to the speaking outline, it is recommended to practice your speech at least five times or more.

According to the speaking outline, you should practice your speech "five or more" times. Practicing your speech multiple times helps you become more familiar with the content, improve your delivery, and gain confidence in your presentation. The more you practice, the better prepared you'll be to deliver a successful speech.

Therefore, it is recommended to practice your speech at least five times or more.

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According to the speaking outline, it is recommended to practice your speech at least five times or more.

According to the speaking outline, you should practice your speech "five or more" times.

Practicing your speech multiple times helps you become more familiar with the content, improve your delivery, and gain confidence in your presentation.

The more you practice, the better prepared you'll be to deliver a successful speech.

Therefore, it is recommended to practice your speech at least five times or more.

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You are paid $82.50 for 7 1/2 hours of work. What is your rate of pay?

Answers

$82.50/7.5= $11 dollars an hour

all you have to do is take the total, and divide it by how long you work, in order to get how much you made per hour.

hope this helped!

Rate of pay is 11 dollars

How many ways are there to distribute six different toys to three different children such that each child gets at least one toy?

Answers

give two toys to each child

PLEASE HELP!!!
1. The coordinates of the vertices of triangle ABC are A(-1,3), B(1,2) and C(-3,-1).

Determine the slope of each side of the triangle and use that information to determine if the triangle is a right triangle or not.

2.The coordinates of the vertices of quadrilateral JKLM are J(-3,2), K(4,-1), L(2,-5) and M(-5,-2).

Find the slope of each side of the quadrilateral and determine if the quadrilateral is a parallelogram

Answers

1. AB 3-2/-1-1
-1/2
BC 2+1/1+3
3/4
AC 3+1/-1+3
4/2=2
It is a right triangle

2. JK -1-2/4+3
-3/7
LM -2+5/-5-2
-3/7
KL -1+5/4-2
4/2=2
JM 2+2/-3+5
4/2=2
The quadrilateral is a parallelogram

If you study hard, then you can pass the tests.
If you pass the tests, then you can pass the class.

What conclusion can be draw from the statements above?
A) Studying hard will allow you to pass the class.
B) Only students who pass tests study hard.
C) If you have passed the class, you must not have studied very hard.
D) Not passing tests means that you did not study.

Answers

I think we all know it's A XD

Answer:

A) Studying hard will allow you to pass the class.

A train fare costs £23.55
All train fares are increased by 2.8%

Work out the new fare.
[2 marks]

Answer.......

4 A savings account pays 3.6% per annum simple interest.
Heidi puts £400 into the account.

How much will she have in the account after 5 years?
[2 marks]

Answer .............

5 In one week the mass of a puppy increases from 1.8 kg to 2.25 kg

Work out the percentage increase of the mass.
[2 marks]

Answer............

Answers

1)
23.55+23.55×0.028
=24.21

2)
The formula is
A=p (1+rt)
A future value?
P present value 400
R interest rate 0.036
T time 5years
A=400×(1+0.036×5)
A=472

3)
((2.25−1.8)÷1.8)×100=25%

Hope it helps!

Final answer:

To calculate an increase, multiply the original value by the percentage increase. For simple interest, use the formula Interest = Principal * Rate * Time. Percentage increase in mass can be found with the formula: [(Final mass - Initial mass) / Initial mass] * 100%. These methods result in a new train fare of £24.21, a bank balance after 5 years of £472, and a 25% increase in the puppy's mass.

Explanation:

1. To work out the new fare, we first need to calculate how much the fare has increased by. 2.8% of £23.55 is found by multiplying 23.55 by 0.028, which comes out to £0.66 (rounded to the nearest penny). Adding this increase to the original fare gives us a new fare of £24.21.

2. The simple interest can be calculated using the formula Interest = Principal * Rate * Time. In this case, Heidi's investment of £400 (the principal) is earning 3.6% (the rate) in interest every year for 5 years (the time). So, the interest Heidi earns equals £400 * 3.6% * 5 = £72. Adding this to the original amount gives us £472.

3. The percentage increase in the puppy's mass is calculated as follows: [(2.25 kg - 1.8 kg) / 1.8 kg] * 100%. So, the mass has increased by 25%.

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Problem page the sum of two numbers is 56 . the smaller number is 16 less than the larger number. what are the numbers?

Answers

Create equations using the given information
1) x+y=56
2) y=x-16
Substitute the value of y into the 1st equation and simplify
1)x+x-16=56
2x=72
x=36
Substitute the value of x into the 1st equation and simplify
1)x+y=56
36+y=56
y=20

Answer: 20 and 36

Katherine owns the trendy boutique where Clara works as a shop assistant. Deanne loves the clothes in Katherine's boutique and shops there often. Which of these three people is a consumer?

Answers

Deanne is the consumer

Answer:

Deanne

Step-by-step explanation:

Deanne is a consumer

A 14.5-gallon gasoline tank is 3 — 4 full. how many gallons will it take to fi ll the tank?

Answers

Final answer:

It would take 3.625 gallons of gasoline to fill a 14.5-gallon tank that is already 3/4 full.

Explanation:

The question asks how many gallons of gasoline are needed to fill a 14.5-gallon tank that is already 3/4 full. To find the amount needed to fill the tank, we first determine how much gasoline is currently in the tank by multiplying 14.5 gallons by 3/4:

14.5 gallons × 3/4 = 10.875 gallons

This means that there are 10.875 gallons of gasoline in the tank at the moment. To find out how much more gasoline is needed to fill the tank, we subtract this amount from the tank's total capacity:

14.5 gallons - 10.875 gallons = 3.625 gallons

Therefore, it would take 3.625 gallons of gasoline to fill the tank.

In the set of real numbers, the first number less than -3 is -4.

True
False

Answers

Id Say True because -4 is less than -3 Because its going in negatives

Find the simple interest on a loan of $3,500 at 7.8% interest for 9 months

Answers

3,500 + (3,500 7.8)*9

A student has selected 8 books that she likes, but she has money only for 3 books. how many possible selections does she have?

Answers

Since the order of the books chosen doesn't matter, we use the combination formula to find the number of possible selections. Recall that a combination of k items from a set of n items is given by [tex]nCk= \frac{n!}{k!(n-k)!} [/tex].

In this problem, n = 8 and k = 3. So the number of possible selections is
[tex]8C3= \frac{8!}{3!(8-3)!}=56 [/tex]. Thus the answer is 56.

The student has 6,720 selections to choose from. Because order doesnâ€™t matter, the problem is a combinations function. It is solved by dividing the factorial of 8 by the factorial of 3. So (8*7*6*5*4*3*2*1)/(3*2*1)

Help me with this please

Answers

Alright, so for every addition or subtraction (without the whole thing being in parenthesis and multiplied by something) sign, there is 1 term to the right of it and 1 term to the left of it. However, we have to make sure not to overlap - for example, m is only 1 term - it can't be counted as 2 since it's to the right of a - and to the left of a +. Our terms are therefore 2m²n, 2mn², m, 3n, and 9

If one candy bar weighs 3 ounces what is the weight of 11 candy bars

Answers

Final answer:

The weight of 11 candy bars is calculated by multiplying the weight of one candy bar, which is 3 ounces, by 11. The total weight for 11 candies is equal to 33 ounces.

Explanation:

If one candy bar weighs 3 ounces, the weight of 11 candy bars can be found by multiplying the weight of one candy bar by the number of candy bars. The calculation would be as follows:

Multiply the weight of one candy bar by the number of candy bars: 3 ounces × 11 = 33 ounces.

Therefore, the weight of 11 candy bars is equal to 33 ounces.

what is 2.6 repeating as a fraction

Answers

2.6 repeating as a fraction would be 2 2/3

Kristin is 20 miles behind a truck that is driving 50 miles per hour. How long will it take her to catch up to the truck? How far will she go in that time

Answers

t = 20/(r-50)t=20/r-50 hours

Final answer:

It will take Kristin 24 minutes to catch up to the truck. She will travel a distance of 20 miles in that time.

Explanation:

To calculate how long it will take for Kristin to catch up to the truck, we can use the equation: time = distance / speed. Since Kristin is 20 miles behind the truck, she will need to cover a distance of 20 miles to catch up to the truck. Assuming she drives at a constant speed, we can use her speed as the truck's speed since she needs to match it to catch up.

Time to catch up = 20 miles / 50 miles per hour = 0.4 hours = 24 minutes.

In that time, Kristin will travel the same distance as the truck. So, she will go 20 miles in 24 minutes.

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If Tara spends $219 a month for her car payment and she makes $3200 a month what percent of her monthly income is spent on her car payment

Answers

The percent is calculated as the ratio of the monthly paymen to the total income times 100.

Percent, % = ( [monthly car payment] / [ monthly income] ) * 100

% = ($ 219 / $ 3200) * 100 ≈ 6.8

Answer: approximately 6.8% of Tara's monthly income is spent of her car payment.

which fraction is less than 7/15
A: 5/9
B: 6/11
C: 1/2
D: 4/9

Answers

Convert them all to decimals

The answer is D

D hope this helps
please give brainliest

I need help finding v

Answers

check the picture below.

surely you can solve for "v", right?

A car travels 83 7/10 miles on 2 1/4 gallons of fuel. Which is the best estimate of the number of miles the car travels on one gallon of fuel

Answers

round miles up to 84

round gallons down to 2

and divide

84 /2 = 42 miles per gallon ( estimate)

HELP ME PLEASE
Olga deposited $1500 in a savings account that pays 7.5% interest compounded quarterly. What is the balance in her account at the beginning of the third quarter?
A. $1,590
B. $1,560
C. $1,585.97
D. $1,591.81
ok let me make one thing clear: i have put up questions like this before but i am NOT TRYING TO JUST GET ANSWERS. I legit want to learn this. It is just hard for me i guess.. so sorry if this answer seems simple to you but its not to me so if you could please explain your answer CLEARLY, in particular with "compound quarterly." please explain so i can use the principles later on. Thank you!

Answers

Let P be the final value
Let r be the rate
Let t be the time in years
Let C be the initial value
Let n be the number of times interest is given per year

P = C (1 + r/n) ^ (nt)

r = 0.075 (7.5%)
t = 3/4 years
C = $1500
r = 4 (4 quarters in one year)

P = C (1+r/n)^ (t/n)
= 1500 * (1 + 0.075/4) ^ (3/4 * 4)
= 1585.97

Have an awesome day!

If you are wondering, a quarter means 1/4 of a year.

Evaluate the expression when =m6 m2-18

Answers

So first, we should substitute the variable m for the value that we are given. If m=6, then plugging in 6 for m will give us the equation 6(2)-18. Then, we will get 12-18. After subtracting 18 from 12, we will get -6 as an answer.

Could someone help with 14 I know it’s not a Consecutive interior but it could be A) alternate interior B) alternate exterior C) corresponding D) exterior

Answers

1, 4, 6, and 7 are all alternate exterior angles because they are crossed by the transversal line through the middle and they are all on the outside, or exterior, and they are alternate, or opposite. they would be congruent only if they are parallel.

-hope this helps

If you're going 80 miles per hour how long does it take to go 80 miles answer

Answers

an hour cause u go 80 per HOUR

if x^2+14x-95=(x+a)(x+b), then the numerical value for ab is

Answers

x^2+14x-95 = (x+19)(x - 5)

a = -5
b = 19

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