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
Advocard [28]
3 years ago
9

Kathy's average score after 3 math quizzes was 83. Her score on the 4th quiz was 87. If all 4 of the quizzes are weighted equall

y, which of the following is closest to her average score after 4 quizzes?​
Mathematics
1 answer:
umka21 [38]3 years ago
3 0

Answer:

84

Step-by-step explanation:

Pretend her first 3 quizzes were all 83 since that was the average. So the 4th was 87.

83+83+83+87 = 336

Divide by the total number of quizzes because they are equally weighted.

336/4 = 84

Her new average score is 84.

You might be interested in
What is the perimeter of a square window with sides 36 inches long?
Ierofanga [76]
PERIMETER IS 144 36X4=144

6 0
3 years ago
Read 2 more answers
Pls helpppppppp......... :( :( :(
ValentinkaMS [17]

Answer:

Step-by-step explanation:

a: is not proportional

because you cant divide any of the tope numbers by the bottom numbers so u can leave the thing blanc.

b: is proportional

becuase you can divide the top and bottom by 30 so the answer is 30

hope this help :)

4 0
3 years ago
Read 2 more answers
3/4 mile each day for 8 days how far did I walk
Bingel [31]

Answer:

6 miles

Step-by-step explanation:

Since you walked 3/4 miles in 1 day then in 8 days you walked...

3/4*8=3*2=6 miles

4 0
3 years ago
Read 2 more answers
Please help quickly. Will mark brainlist!
Ronch [10]

Answer:

i'm not sure but i think its 9

i'm soooooo sorry if its wrong

Step-by-step explanation:

8 0
3 years ago
Solve the equation for X. qx+x=r
Arisa [49]
I hope this helps you




x (q+1)=r


x=r/(q+1)
6 0
4 years ago
Other questions:
  • Harriet rolls a number cube what is the probability that the number cube will land on three or four
    9·1 answer
  • Which expression is equivalent to 1/2 x + (-7) -2 q/4 x - (-2) ?
    13·1 answer
  • Use the information provided to write the equation of the circle.
    5·1 answer
  • Twelve children are sharing 5 chocolate bars. What fraction of a chocolate bar will each child get
    9·2 answers
  • I don’t know how to do that
    5·1 answer
  • If you save $125 each week for 12 weeks, how much will you be able to save?
    13·2 answers
  • I need a reduced mixed number from 12(x-6)=2(x-9)
    14·1 answer
  • Find HI please will mark brainliest for first answer if correct
    14·1 answer
  • Given (x-2)2/25 +(y+3)2/4<br> &lt;1, which point lies in the solution set
    5·1 answer
  • If the ratio of sides of 2 squares is 3:5, the ratio of their areas is 9:15<br><br>True or False​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!