Alicia wrote these numbers:2,9,15,21.which of Alicia numbers is not a composite number?

Answers

Answer 1
A number can either be composite or prime. The only prime number that you listed here is 2, because the only factors of 2 are 1 and itself. 
Answer 2
2 is a prime number

not composite


Related Questions

A recipe uses 8 3/4 cups of milk for every 3 1/2 cups of oatmeal.

How many cups of milk are used for each cup of oatmeal?

Answers

1 1/2 cups of milk for every cup of oatmeal.

8 3/4=8.75     3 1/2=3.50             8.75÷3.50→875÷350=2 175/350

175=1/2 of 350

                                         
Final answer:

To figure out how many cups of milk are used for each cup of oatmeal, divide the amount of milk by the amount of oatmeal. The result is 2 1/2 cups of milk for each cup of oatmeal.

Explanation:

The question is asking us to figure out what the ratio of cups of milk to cups of oatmeal would be if it were reduced to one cup of oatmeal. The original proportions provided in the question are 8 3/4 cups of milk for 3 1/2 cups of oatmeal.

To find the answer, we would divide the amount of milk by the amount of oatmeal. First, we need to convert the mixed numbers to improper fractions. 8 3/4 is the same as 35/4 and 3 1/2 is the same as 7/2.

Then, we divide 35/4 by 7/2, which turns into a multiplication problem: 35/4 times 2/7. Keep in mind that multiplying fractions is straightforward - you simply multiply the numerators with numerators and denominators with denominators.

The result, therefore, becomes 70/28 which simplifies to 2.5 or 2 1/2 when turned back into a mixed number. So, there are 2 1/2 cups of milk used for each cup of oatmeal.

Learn more about Fraction Division here:

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The rule below shows how Mrs. Murphy's long-distance phone company computes her monthly bill. Which answer expresses that rule in the form of an equation?

Multiply the number of minutes Mrs. Murphy spent on long-distance calls by $0.42, the long-distance rate. Then add $24, the flat monthly charge.

Answers

the answer is 29.04 hope its rite
Answer: 29.04
        
                          ❤❤❤Hope this helps❤❤❤
                               Please mark as Brilliant
                                              -A

$1725 couch with a 15% markup

Answers

1725+1725x0.15=t
1725+258.75=t
1983.75=t

The total cost of the couch is $1983.75
Final answer:

To find the final price of the couch with a 15% markup, we add the markup to the original price of the couch.

Explanation:

In this question, we are given a couch priced at $1725 with a 15% markup. To find the final price, we need to add the markup to the original price of the couch.

Markup = 15% of $1725 = (15/100) * $1725 = $258.75

Final price = Original price + Markup = $1725 + $258.75 = $1983.75

Cafe A offer 2 free bottled waters or juices for every 20 purchased.
Cafe B offers 3 free bottles waters or juices for every 25 purchased.

what is cafe A's ratio of free drinks to purchased?

what is cafe B's ratio of free drinks to purchased?

If you purchase 50 drinks at each cafe how many free drinks would you get.

i need help very fast!!!!!!




Answers

Cafe A ratio : 2:20
Cafe B ratio : 3:25

Cafe A : 5 free bottles because 20 bottles is 2 free bottles 10 bottles is 1 free bottle
Cafe B : 6 free bottle because 25 × 2 = 50 3× 2 = 6

Answer:

Cafe A

1:10

5 free drinks

Cafe B

3:25

6 free drinks

Step-by-step explanation:

Cafe A

Cafe A offers 2 free bottled waters or juices for every 20 purchased. The ratio of free drinks to purchased ones is 2:20 = 1:10.

If you purchase 50 drinks, the free drinks will be:

50 purchased × (1 free / 10 purchased) = 5 free

Cafe B

Cafe B offers 3 free bottles waters or juices for every 25 purchased. The ratio of free drinks to purchased ones is 3:25.

If you purchase 50 drinks, the free drinks will be:

50 purchased × (3 free / 25 purchased) = 6 free

anna can type 123 in 3 minutes ,caroline can type220 words in 5 minutes who can type faster

Answers

Caroline. 
If you divide 123 by 3 to see how many words Anna types per minute, its comes to 41 words/minute. Dividing 220 by 5 to find the words/minute Caroline types would result in 44 WPM.
Hello! To solve this problem, we'll need to find a common denominator and set each ratio accordingly.

Anna- 123 in 3 minutes
123:3

Caroline- 220 in 5 minutes
220:5

Both 3 and 5 can go into 15.

Caroline: [tex] \frac{220}5} = \frac{660}{15} [/tex]
Anna: [tex] \frac{123}{3} = \frac{615}{15} [/tex]

Anna can type faster than Caroline. Hope this helps! :)

K=59(F−32)+273.15. Solve for F.

Answers

Answer:

The value of the equation for F is [tex]F=\frac{K-273.15}{59}+32[/tex]

Step-by-step explanation:

Consider the provided equation.

[tex]K=59(F-32)+273.15[/tex]

We need to solve the provided equation for F.

Subtract 273.15 from both sides.

[tex]K-273.15=59(F-32)[/tex]

Divide both side by 59.

[tex]\frac{K-273.15}{59}=F-32[/tex]

[tex]F-32=\frac{K-273.15}{59}[/tex]

Add 32 from both side.

[tex]F=\frac{K-273.15}{59}+32[/tex]

Hence, the value of the equation for F is [tex]F=\frac{K-273.15}{59}+32[/tex]

What is the reciprocal of 6 and 1/4?

Answers

Answer:

The question is What is the reciprocal of 6 1/4 ?

Step-by-step explanation:  

6 wholes and the fraction is one - fourths can u help us now  ??

Write and equation to solve the problem, "five less than the product of 6 and a number is -23"?

Answers

6x-5=-23!!!!!!!!!!!!!!!

6 n - 5= - 23
the variable n is -3

Divide 6,723 ÷ 8.

What is the remainder?

Answers

6,723 ÷ 8 = 840.375

The remainder is 3/8 or .375

Cyndi has 20 square tiles to make rectangles. She uses all 20 tiles in each rectangle. How many different shaped rectangles can she make

Answers

I have an examp that i think will help
A rectangle made of square tiles measures 8 tiles wide and 10 tiles long. What is the length in tiles of a similar rectangle 12 tiles wide?
Scaling factor is 12/8 = 3/2 
Therefore length of the 12 tiles wide rectangle is 10 times 3/2 = 15 tiles long
Hope this helps

Break apart 16x34 into 4 simpler multiplication problems?

Answers

10×30+6×4 So that is how you do it

The simpler multiplication after breaking apart 16 × 34  are 5 × 100 + 11 × 4, 4 × 4 × 34, 8 × 2 × 17 × 2, and 4 × 8 × 17.

What is multiplication?

The fundamental concept of making the same number of additions repeatedly is represented by the action of multiplication. The results of multiplying two or more integers are known as the products, and the factors that are used in the multiplication are referred to as the factors.

Given:

16 × 34  

The multiplication can be broken into simpler multiplication as shown below,

2 × 2 × 2 × 2 × 2 × 17

544

Break the term as shown below,

500 + 44

5 × 100 + 11 × 4

The 16 × 34  can also be written as 4 × 4 × 34, 8 × 2 × 17 × 2, and 4 × 8 × 17

Thus, the simpler multiplications are 5 × 100 + 11 × 4, 4 × 4 × 34, 8 × 2 × 17 × 2, and 4 × 8 × 17.

To know more about multiplication:

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specify three fractions with different denominators that have an LCD of 24. Then arrange the fractions in order from least to greatest

Answers

Three fractions 1/24, 1/6 and 1/8. Now turn them into fractions with a denominator of 1/24. 1/8= 3/24 and 1/6= 4/24. Now in order they would be 1/24, 1/8, and 1/6

A flower bed is 2 meters wide and 3 meters long. What is the area of the flower bed in square feet? Round your answer to the nearest hundredth

Answers

im gonna guess 6.00 beacause it says round to hundreths
2 times 3 is 6 and rounded is 6.00

What is the remainder to 8372÷5

Answers

use an online calculator
1674.4 hope this helps

Tell whether the rates of change are constant or variable 16 over 1, 64 over 2, 144 over 3, 256 over 4

Answers

they are not changing at a constant rate. So, it's a variable.

Can you help me for number 36, please thank you!

Answers

The slope is 20/13. Yes, the slope is steeper because without the lip on the slide you would travel downward faster.

there are 48 beads in a package. candice bought 4 packages of blue,9 packages of gold,6 packages of red,and 2 packages of silver beads. about how many beads did candice buy ?

Answers

Candice bought 1,008 beads. I found the answer by adding how many packages she bought all together ( 4 + 9 + 6 + 2 = 21 ) and then multiplied 48 by 21. :) Hope this helps. 
the correct answer is
1008
p.s: im in 7th grade so you can trust me

.04 is 1/10 of what number ?

Answers

the answer to your question is .4
.4. To multiply by ten, you move the decimal to the right one place

Alligators lay between 20 and 50 eggs in a nest. A park ranger in Everglades national park counted the number of eggs in 28 nests. On average, there were 40 eggs in each nest. About how many eggs did he count?

Answers

Final answer:

The park ranger counted a total of 1120 eggs in the nests in Everglades National Park.

Explanation:

The park ranger in Everglades National Park counted the number of eggs in 28 nests and found that there were an average of 40 eggs per nest. To find the total number of eggs the ranger counted, you can multiply the average number of eggs per nest by the total number of nests. In this case, the calculation would be: 40 eggs/nest x 28 nests = 1120 eggs.

The key club made $192 at their candle sale.They sold round candles for $4 and square candles for $6.If they sold twice as many square candles as round ones,how many of each type of candle did the key club sell?

Answers

Answer:

24 square candles and 12 round candles

Step-by-step explanation:

4r+6s=192

s=2r

Solve:

4r+6(2r)=192

4r+12r=192

Combine like terms

16r=192

r=12

s=2(12)

s=24

12 round candles and 24 square candles.

David drove 135 miles in 3 hours Find the unit rate

Answers

Hi , the answer is 45 miles , because 135 miles divided by  3 hours [180 minutes] equals to 0.75 ,  180 minutes times 0.75 equals to 135 miles , 2 hours [120 minutes] times 0.75 equals to 90 miles and 1 hour [60minutes] times 0.75 equals to 45 miles.

To calculate David's unit rate of speed, divide the distance he traveled, 135 miles, by the time it took, 3 hours, which results in an average speed of 45 miles per hour.

The question concerns finding the unit rate of David's driving speed, which is a concept in mathematics related to distance and time. To find the unit rate of speed, we divide the total distance traveled by the total time taken. In this example, David drove 135 miles in 3 hours. Therefore, the unit rate (average speed) can be calculated as follows:

Identify the total distance traveled, d = 135 miles.Identify the total time taken, t = 3 hours.Calculate the unit rate (average speed) v using the formula v = d / t.The calculation would be v = 135 miles / 3 hours = 45 miles per hour.

This means that David's average driving speed was 45 miles per hour.

Which expression is equivalent to 5(x + 7)?
A) 5x + 12

B) 5x + 35

C) 5x + 7

D) 40x

Answers

The answer for this questionis B

Answer:

i think is b

Step-by-step explanation:

One US dollar is currently worth 0.79 euro (€). If you exchange $522 for euros, how many euros will you have?

Answers

it should be 412.38 but thats what i got on my math

Answer: [tex]412.38\text{ euros}[/tex].

Step-by-step explanation:

We are given that the worth of one dollar in euros = [tex]0.79\text{ euro}[/tex]

If we exchange $522 for euros, then to calculate the amount in euros we multiply the value of one dollar to 522 we get

[tex]522\times0.79=412.38\text{ euro}[/tex]

Therefore If you exchange $522 for euros, then we will get [tex]412.38\text{ euros}[/tex].

0.4 - D = 0.33 What is D?

Answers

the answer is .07 :)

0.73 is the more detailed answer

The local movie theater collected a total of 8250 last night, of which 45% came from sales at the concession stand. How much money did the theater collect at the concession stand

Answers

The theater collected $3,712.50 at the concession stand. How I determined this answer:

Alright, so you already know the total amount the theater collected ($8,250) and the percent of sales which came from the concession stand (45%). Your first step is to change the given percentage into a decimal, as shown below:

To change 45% into a decimal, you have to move the invisible decimal point two places to the left:
45(.)% becomes .45

Now that you have changed your percent into a decimal, your next step is to multiply the total sales the theater made last night with your decimal, as shown below:

Multiply the total sales ($8,250) x (.45)
$8,250 x .45 = $3,712.50.

So the theater made a total of $3,712.50 at the concession stand last night.

To determine the concession stand revenue, multiply the total collected revenue, $8250, by 45%, resulting in $3712.50 collected at the concession stand.

To calculate how much money the theater collected at the concession stand, we first need to find 45% of the total revenue of $8250.

Step 1: Convert the percentage to a decimal:

45% = 0.45

Step 2: Multiply the total revenue by the decimal:

$8250 * 0.45

Step 3: Perform the multiplication:

$8250 * 0.45 = $3712.5

Therefore, the theater collected $3712.50 at the concession stand last night.

solve and show work
The flow rate of a water pump is 2.8 gallons per minute. How many minutes does it take this pump to transfer 84 gallons of water out of a swimming pool? PLZ help me

Answers

84 gallons/(2.8 gpm) = 30 minutes

It will take 30 minutes for the pump to transfer 84 gallons of water out of the swimming pool using the flow rate of 2.8 gallons per minute.

To calculate the time it takes for the water pump to transfer 84 gallons of water at a rate of 2.8 gallons per minute, you can use the formula for time, which is time = total volume/flow rate.

Firstly, find the total volume of water to be transferred, which is 84 gallons.

Next, find the flow rate of the pump, which is 2.8 gallons per minute.

Divide the total volume by the flow rate to find the time: 84 gallons / 2.8 gallons per minute = 30 minutes.

Therefore, it will take the pump 30 minutes to transfer all 84 gallons of water out of the swimming pool.

rob says all numbers have an even number of factors marcia says some numbers have an odd number who is correct

Answers

no rob is incorrect because 8+8 equals 16 9+9 also equals 18 so they odds and even could make an even product

Answer:

Marcia is correct.

Step-by-step explanation:

We are given that,

Rob states that 'all numbers have an even number of factors'.

Marcia states that 'some numbers have an odd number of factors'.

Let us consider the number 36. Now, it is given that,

1 × 36 = 36

2 × 18 = 36

3 × 12 = 36

4 × 9 = 36

6 × 6 = 36

Since, the repeated factor is counted only once. So, the factors of 36 are given by 1, 2, 3, 4, 6, 9, 12, 18 and 36.

This gives us that 36 has 9 factors and so, it has odd number of factors.

Hence, Marcia is correct.

2 1/7+3/7(3x−5)=−4

a. x= -5 1/7
b. x= -3 1/9
c. x= -1 23/49
d. -8/9

Answers

15/7+ 9/7x -15/7x = -4
9/7x=-4
x = -28/9

Answer: -3 1/9

Step-by-step explanation:      

i k12

josh's web site had 805,289 visitors. Diego's site had 784,976 visitors. How many more visitors did josh's sit have than Diego's. Estimate to check your answer.

Answers

Josh's sit had 20,313 more visitors than Diego's.

Josh's site had 20,313 more visitors than Diego's site. To estimate, we round the number of visitors to each site to the nearest thousand and subtract, revealing an approximate difference of 20,000 visitors, which is close to the exact count.

To find out how many more visitors Josh's site had than Diego's, we subtract the number of visitors to Diego's site from the number of visitors to Josh's site.

Josh's site had 805,289 visitors and Diego's site had 784,976 visitors. So we calculate:

805,289 - 784,976 = 20,313

Josh's site had 20,313 more visitors than Diego's site.

Estimate:

To estimate, we can round the numbers to the nearest thousand:

Josh's site: Approximately 805,000 visitors

Diego's site: Approximately 785,000 visitors

Now we subtract:

805,000 - 785,000 = 20,000

The estimate shows that Josh's site had about 20,000 more visitors than Diego's, which is close to the exact difference of 20,313 visitors.

which fraction is equivalent to 6/36

Answers

Final answer:

The fraction 6/36 can be simplified to 1/6 by dividing both the numerator and the denominator by the number 6, their greatest common divisor.

Explanation:

To find a fraction equivalent to 6/36, we need to simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor. In this case, both 6 and 36 are divisible by 6.

Here's the simplified process step-by-step:

Divide the numerator (6) by 6, which equals 1. Divide the denominator (36) by 6, which equals 6. After simplifying, the fraction 6/36 is equivalent to 1/6.

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