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
Katarina [22]
3 years ago
15

Please help me understand this, i've been stuck on this question

Mathematics
1 answer:
Drupady [299]3 years ago
4 0
A is correct.
to find the average, you add up all three test scores, divide the sum by 3
85≤(83+91+n)/3≤90

multiply 3 to eliminate the fraction: 255≤(174+n)≤270
subtract 174: 81≤n≤96
You might be interested in
Sled, pulled by dogs, travels at a constant speed of 52,5 miles in 5 hours. Which of the following equations usos a unit rate to
nadezda [96]

Answer:

i D K

Step-by-step explanation:

8 0
3 years ago
Zena saves $5 for every $30 she earns. Which of these describes the rate at which Zena saves?
garri49 [273]

Answer:

I think it is c because yah

6 0
3 years ago
HELP!!! Use the properties of exponents to simplify the expression:
Dvinal [7]
There you go the answer key

6 0
3 years ago
HELPPPPPPPPP ASAPPPPPPPP PLSSSS
yanalaym [24]

-1/3(px-2) = 9

ok! so first we want to isolate x.

multiply both sides by -3/1 (this is the reciprocal of -1/3)

(px-2) = -27

px = -27 + 2

px = -25

x = -25/p

hope this helped!

8 0
3 years ago
Please help me. i need answers asap. please correct answers
monitta

Answer:

1.) 6

2.) -1

3.) 36

4.) 1/3

5.) 90

Step-by-step explanation:

1.) -12/a

-12/a -> -12/2

=6

2.) a+ (-b)

a+(-b) -> 2+(-3)

=-1

3.) 3a (12-2b)

3a(12-2b) -> 3(2) (12-2x3)

6(12-6)

6(6)

=36

4.) 2a-c/b

2a-c/b -> 2(2)-5/3

4-5/3

=1/3

5.) 3abc

3abc-> 3x2x3x5

=90

6 0
1 year ago
Other questions:
  • The shortest person in a class is 55 inches tall and tallest person in that class is 75 inches tall. Write an absolute value equ
    8·2 answers
  • I have 47 red marbles and 76 blue marbles estimate the total number of marbles I have
    11·2 answers
  • Which is the graph of y<2x-1
    15·1 answer
  • when inches are converted to centimeters, is the number of centimeters greater or less than the number of inches?
    12·1 answer
  • Lesson 8.8: Angle Relationship
    9·1 answer
  • An Olympic-sized swimming pool of uniform depth measures 50 meters by 21 meters. The bottom of the pool is to be treated with a
    15·1 answer
  • Problem is in the pictures
    9·1 answer
  • Use the Figure of the triangular prism to find the volume?<br>please help me
    7·1 answer
  • If these two shapes are similar, what is the measure of the missing length d?
    15·1 answer
  • I’m like actually failing
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!