1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
almond37 [142]
2 years ago
9

9) A bookstore sold 15 books in 5 days. At

Mathematics
1 answer:
Alla [95]2 years ago
8 0
1. Find the unit rate

15 books divided by 5 days = 3 books sold per day.

Since we are looking for how many days it would take the store to sell 21 bucks, we could do 21 (amount of books) divided by 3 (how much books is sold in a day).

Therefore, it will take a week / 7 days to sell 21 books.
You might be interested in
Royston plays a video game 7 times. His scores are 60, 65, 66, 74, 69, 72, and 63. Which is the best measure of center of Raysto
balandron [24]

Answer:

The mean will be the best instrument to measure Royston's performance

Step-by-step explanation:

hope this helps

8 0
3 years ago
1. A rectangle has a length of 15 centimeters and a width of 8
Ksivusya [100]

Answer: radius = 6.18 (I don't know what solutions you have, but the actual answer for the radius is about 6.18 cm so which ever is closest.)

Step-by-step explanation:

the area of a circle is \pi  r^{2}

*rewrite your equation solving for radius

r=\sqrt{A/\pi } =\sqrt{120/\pi } = 6.18

6 0
3 years ago
I’m sorry about the quality but questions 6-9! anything helps :)
kati45 [8]

Answer:

Hi! The answer is in the picture! *They're color coded*

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

☁Brainliest is greatly appreciated!☁

Hope this helps!!

- Brooklynn Deka

7 0
3 years ago
I need help. please show your work!
vodomira [7]
X =  10 * 3^n
*************************************************************





8 0
4 years ago
Read 2 more answers
Lexia ran three laps around her neighborhood. Each lap is 1 and StartFraction 3 over 8 EndFraction miles. Which is the best esti
FrozenT [24]

Answer: The best estimate of the number of miles that Alexia run is 4 miles.

Step-by-step explanation:

Since we have given that

Length of lap is given by

Number of laps around her neighborhood = 3

So, Total number of miles that Alexia ran is given by

Hence, the best estimate of the number of miles that Alexia run is 4 miles

3 0
2 years ago
Other questions:
  • In a sample of 800 adults, 214 think that most celebrities are good role models. Two us adults are selected from this sample wit
    12·1 answer
  • What are the solutions of x²-4x+5=0?<br><br>​
    7·1 answer
  • What does sin mean?​
    6·1 answer
  • The pair of variables x=–3, y=8 is the solution to the equation 5x+by=17. Find the coefficient b.
    11·1 answer
  • Write an inequality for Five dollars less than two times Chris' pay is at most<br> $124
    9·1 answer
  • Death Valley in California is approximately 250 feet below sea level.
    5·1 answer
  • 1 to the tenth power
    12·2 answers
  • Find the value of x <br> a. 2<br> b. 4<br> c. 6<br> d. 8
    6·1 answer
  • A student has a class with four tests, each worth 100 points, and has earned these
    14·1 answer
  • In cashing a check for $220, Christina asked for the whole amount in $10 and $20 bills. She received a total of 13 bills, four o
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!