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
Allisa [31]
2 years ago
11

Jane had 275 stickers, which she gave to her friends. Each friend got five more stickers than the friend before. If the first fr

iend got 5 stickers, how many friends got stickers from Jane?

Mathematics
1 answer:
Paha777 [63]2 years ago
5 0

Answer:

10 friends

Step-by-step explanation:

we know that

The formula of the sum is equal to

sum=\frac{n}{2}[2a1+(n-1)d]

where

a1 is the first term

n is the number of terms (number of friends)

d is the common difference in the arithmetic sequence

In this problem we have

sum=275\ stickers

a1=5\ stickers

d=5 ----> the common difference

substitute in the formula and solve for n

275=\frac{n}{2}[2(5)+(n-1)(5)]

550=n[10+5n-5]\\ \\550=10n+5n^{2} -5n\\ \\5n^{2}+5n-550=0

Solve the quadratic equation by graphing

The solution is n=10

see the attached figure

therefore

She had 10 friends who got stickers

You might be interested in
PLZ PLZ PLZ PLZ PLZ HELP, I HAVE TWO MORE QUESTIONS IF YOU WANT MORE POINTS
12345 [234]
B/5 > 30

we’re going to simplify by multiplying by 5 on both sides.

b > 150 should be the answer!
8 0
3 years ago
15. Using the circle below, find each arc length. Round to the nearest hundredth. R a) ST b) RPT 97 125 PS = 28 feet
Troyanec [42]

The measure of arcPR and arcRPT are 83 and 208 degrees respectively

The measure of arc ST will be gotten using the expression below:

arcPS = arcPT + arcST

Given the following

  • arcPT = 125 degrees
  • arc PS = 180 degrees

arcST = arcPS - arcPT

arcST = 180  - 125

arcST = 55 degrees

Similarly, arcPR = 180 - arcRS

arcPR = 180 - 97

arcPR = 83 degrees

arcRPT = arcPR + arcPT

arcRPT = 83 + 125

arcRPT = 208 degrees

Hence the measure of arcPR and arcRPT are 83 and 208 degrees respectively

Learn more about circles here: brainly.com/question/24375372

7 0
2 years ago
Help pls
Korvikt [17]

Answer:y74

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A table titled Number of Dogs Adopted has entries 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9. The total is 13
saw5 [17]

Answer:

1) Mean = 6.28

2) Median = 7

3) Mode = 8

4) Range = 6

Step-by-step explanation:

We need to find Mean, Median, Mode and Range of data given in tables.

1) Mean

The formula used to calculate mean is: Mean=\frac{Sum\:of\:all\:data\:points}{Number\:of\:data\:points}

The data given is: 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9

Sum of all data points = 132

Number of data points = 21

Finding mean:

Mean=\frac{Sum\:of\:all\:data\:points}{Number\:of\:data\:points}\\Mean=\frac{132}{21}\\Mean=6.28

So, Mean = 6.28

2) Median

The formula used to calculate median is: Median=\frac{n+1}{2}\:th\: term because we have n = odd

Number of data points n = 21

Putting values and finding the position of median term

Median=\frac{n+1}{2}\:th\: term\\Median=\frac{21+1}{2}\:th\: term\\Median=\frac{22}{2}\:th\: term\\Median=11\:th\:term

So, in the given data : 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9

The 11 th term is 7

So, Median = 7

3) Mode

The mode is the most repetitive value of data set.

In the given data set: 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9

The most repetitive value is 8

So, Mode = 8

4) Range

The range can be calculated using formula: Range=Maximum\:Value-Minimum\:Value

In the given data set: 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9

Maximum value = 9

Minimum value = 3

So, the range is:

Range=Maximum\:Value-Minimum\:Value\\Range=9-3\\Range =6

So, Range = 6

3 0
3 years ago
Read 2 more answers
A deer and bear stumble across a sleeping skunk. They run away from it in opposite directions- the deer at the speed of 8 feet p
Nutka1998 [239]

Answer:

12 sec

Step-by-step explanation:

After 1 sec distance between the deer and the bear = (8 + 5) = 13 feet.

After x sec distance is 13x.

13x = 156

x= 156/13=12 sec

6 0
3 years ago
Other questions:
  • The price of a jet ski was marked up 15% over the previous year's model. if the previous year's model sold for $500, what is the
    7·1 answer
  • Last year,alex earened a monthly salary of $250, and ben earned a monthly salary of $180. This year, each of them received a pay
    5·1 answer
  • Find the value of x.
    6·1 answer
  • For each sentence below, find the value of x that makes each sentence true.
    6·1 answer
  • What are all of the possible classifications for a 3x3 system?
    13·2 answers
  • 10 pol
    8·1 answer
  • A vet weighs two puppies. the small puppy weighs 8 1/2 pounds. the larger puppy weighs 1 1/2 times as much as the small puppy. t
    8·1 answer
  • Can you please help with both? :)​
    13·1 answer
  • IDENTIFY BY HIGHLIGHTING RADIUS IN RED DIAMETER IN BLUE 28 CIRCUMFERENCE IN GREEN AREA IN YELLOW​
    5·1 answer
  • Apply the Division Property of Equality. 12x - 2/3 = 83 1/3<br><br> pls help!!!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!