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
Rainbow [258]
3 years ago
8

In a survey of students , every student studies at least one of the three subjects Maths English and Science . The number of stu

dents who study only one subject is twice the number of students who study only two students . If 20 students study all three and 80 students who study only two subjects, find the total number of students in the survey. ​
Mathematics
1 answer:
Mandarinka [93]3 years ago
5 0

Answer:

80x2=160         20x3=60  160+60=220

Step-by-step explanation:

You might be interested in
What is the area of an equilateral triangle with a side length of 14 inches?
lidiya [134]
The equation for a equilateral triangle is the side squared times root 3 divided by 4

6 0
3 years ago
Best explained and correct answer gets brainliest.
ELEN [110]

3275 = x * (1+0.075/12)^(12*10)

3275 = x * (2.11206463)

x= 3275/2.11206463 = 1550.6154

x=1550.62

she needs to deposit $1,550.62

8 0
3 years ago
Arabella's password consists of 1 letter followed by two digits. What is the probability of correctly guessing Arabella's passwo
Alchen [17]
The answer is 1/2600

Hope this helps
6 0
3 years ago
Let X denote the total snowfall in the Twin Cities in December of a given year, measured in centimeters. The five-number summary
Gre4nikov [31]

Answer:

Concept: Caclulating Standard Variables

  1. We have a five number summary which is more than enough information to calculate our mean.
  2. The mean is the sum of all the numbers divided by the nth number of numbers.
  3. Note that we can only find a rough estimation not the EXACT value
  4. We do (min +max + 2(Q1+median+Q3))/8
  5. Now let's plug in our values!
  6. (0+85.3+2(8.4+17.4+30.9))/8
  7. Which gives us option B
  8. Hope this helps, give brainlist

3 0
3 years ago
Why does stock have more potential for higher returns than bonds?
morpeh [17]

Answer:

Stocks have historically delivered higher returns than bonds because there is a greater risk that, if the company fails, all of the stockholders' investment will be lost.

Step-by-step explanation:

Hope this will help

7 0
3 years ago
Other questions:
  • A plane contains how many lines? one line two lines three lines infinite number of lines
    7·2 answers
  • Please help, I'm really desperate here
    13·1 answer
  • Your bill from Acme Supply Company is marked "3/15, net 30." The amount of the bill is $289.95. If you pay the bill within 15 da
    12·2 answers
  • Renee, susan, and Martha share the cost to rent a vacation house for a week
    12·1 answer
  • Can someone help me? I need to turn this in ASAP!! Right answer gets brainliest <3
    10·1 answer
  • HELP ME PLEASEEEEEEEEEE
    7·1 answer
  • PLS HELP ASAP! 20 PTS<br><br> evaluate
    13·1 answer
  • Help me with this please!!
    9·1 answer
  • Please help me........​
    14·1 answer
  • Darrin surveyed a random sample of 10 students from his science class about their favorite types of TV shows. Five students like
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!