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
irina [24]
3 years ago
7

If 3 students averaged 68 on a test and 4 students averaged 75, what is the average of all 7 students

Mathematics
2 answers:
Andreas93 [3]3 years ago
8 0

Answer:  3 students

68 68 68

4 students

75 75 75 75

Answer: 71.5

insens350 [35]3 years ago
5 0

Answer:13

Step-by-step explanation:

i uave sjfjd

You might be interested in
Andrea’s backyard is 400 square feet. Her rectangular swimming pool is 10 feet long, and six feet wide. What is the area of Andr
sashaice [31]
First, you have to find the area of the rectangular swimming pool (A1), which has <span>10 feet long and 6 feet wide. The area of a rectangle is:

 A=A1=LxW

 L=10 ft
 W=6 ft

 When you substitute these values into the formula, you obtain:
</span>
 A1=LxW
 A1=(10 ft)(6ft)
 A1=60 ft²

 The area of the Andrea’s backyard (A2) is 400 ft², therefore, the<span> area of Andrea’s backyard, not including the swimming pool (A3), is:

 A3=A2-A1
 A3=400 ft</span>²-60 ft²
 A3=340 ft²
<span>
 What is the area of Andrea’s backyard, not including the swimming pool?

 The answer is: T</span>he area of Andrea’s backyard, not including the swimming pool, is 340 feet²
4 0
3 years ago
Read 2 more answers
Which measure of variability is not resistant to extreme values?
monitta

Answer: Range

Step-by-step explanation:

I just did it

6 0
3 years ago
Charlie and Alice drove to Miami. The total distance was 120 miles. Charlie drove 90 of the miles.
SOVA2 [1]
I’m pretty sure it’s 30
4 0
3 years ago
Read 2 more answers
The function h(t) = –16t2 + 28t + 500 represents the height of a rock t seconds after it is propelled by a slingshot.
Vaselesa [24]

Answer:

h(3.2) represents the height of the rock 3.2 seconds after it is propelled. Remember, h(t) represents the height of a rock t seconds <em>after it is propelled.</em>

8 0
3 years ago
Read 2 more answers
How do you find the volume of a cone?
DiKsa [7]
V=<span>π^2h/3
</span><span>π= 2.14
</span><span>h= height
r=radius


</span>
8 0
3 years ago
Other questions:
  • Which ordered pair is the solution to the system of equations?
    15·2 answers
  • Ashley is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.
    10·1 answer
  • Complete the steps to show how 4/5 x 5/6 can also be found using properties and equivalent fractions
    10·1 answer
  • I need help with finding the missing angle measures
    9·2 answers
  • The hole for a support needs to be 6 feet deep. It is currently 2 feet 5 inches deep. How much deeper must the hole​ be? Use pen
    7·2 answers
  • 1. As a favor to her friend, Natasha worked 7 hours at a diner for $10 per hour last week. She also makes $8 per
    7·1 answer
  • Which is a simplified form of the expression 6(2t – 3) + 3(t + 5)?
    12·2 answers
  • What’s the solution?
    10·1 answer
  • After Friday's football game, Megan and her friends go out for ice cream. They share the Mega Mountain sundae and finish the who
    6·1 answer
  • Dom's monthly elctricty bill is £33. how much does he spend on electricity each year
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!