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
alukav5142 [94]
3 years ago
8

in an examination of 140 students, 80 students passed mathematics,65 passed physics, 75 passed chemistry, 33 passed mathematics

and physics while 30 passed mathematics and chemistry only, if 15 students passed all three courses and 91 students passed at least two courses , how many students failed all courses?​
Mathematics
1 answer:
Olegator [25]3 years ago
4 0

Answer:

only I think 10 failed all courses

You might be interested in
Which expression is equivalent to 2^4 ⋅ 2^−7?
IRISSAK [1]

the answer for this is:

subtract 7 from 4 to get -3

 you then have 2^-3

remove the negative exponent by rewriting as 1/(2^3)


4 0
3 years ago
Read 2 more answers
Solve for x. 2/x-3=x/12-4x
QveST [7]

Answer:

x=  47 18+2  201  i  ≈0.382978723+0.603295612i x=  47 −2  201  i+18  ≈0.382978723−0.603295612i  Hopefully this makes just the same amount of sense as this question

7 0
3 years ago
P(t) = t^2- t; Find p(6)
Mars2501 [29]

Answer:

P(t)=30

Step-by-step explanation:

Plug in t=6 into the equation: P(t)=t^2-t

So P(t)= (6)^2-6

P(t)=36-6

P(t)=30

4 0
3 years ago
Read 2 more answers
A triangle has three angles measuring x degrees.
Marat540 [252]

Answer: PLATO

Step-by-step explanation:

HI THERE

6 0
2 years ago
How do you write negative 4 tenths as a fraction?
jasenka [17]

Answer:

-4/10

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • X-1/7>1/8 Solve using the addition principle.
    5·1 answer
  • Which would be the BEST formula to model the volume of the bus shown?
    6·1 answer
  • What is the solution to the system of equations ?
    8·1 answer
  • Negative 820 square root
    10·1 answer
  • I WILL GIVE BRAINLIEST
    6·1 answer
  • Cheryl bought a sandwich for 5 1/2 dollars and a drink for $2.60 if she paid with a ten dollar bill how much money did she have
    11·2 answers
  • Drag each sign or value to the correct location on the equation. Each sign or value can be used more than once, but not all sign
    6·1 answer
  • Which statement correctly compares Line segment AB Which statement correctly compares Line segment AB and Line segment FD? And L
    14·1 answer
  • What is excess reagent​
    11·2 answers
  • Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!