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
Sergio [31]
2 years ago
11

Physics or Chemistry. In a group of 50 students, 7 take all three

Mathematics
1 answer:
astraxan [27]2 years ago
8 0

Answer:

Step-by-step explanation:

There are 50 students in a group.

Using Venn diagram, we have 50=x+8+7+5+x+9+(x+3)50=x+8+7+5+x+9+(x+3) .

50=3x+3250=3x+32

3x=183x=18

x=6x=6

The number of students that take Maths is x+8+7+5=26x+8+7+5=26 .

Answer: x=6x=6 ; 2626 students take Maths.

You might be interested in
What is 0.95 to the 9th power?
Dahasolnce [82]

Answer:

0.6302494097

Step-by-step explanation:

Multiply 0.95, 9 times. Not 0.95×9 though.

4 0
3 years ago
The radius of a circle measures 15 feet. what is the circumference?
harina [27]
The circumference of this circle is c=94.25ft
7 0
3 years ago
In ΔBCD, the measure of ∠D=90°, the measure of ∠B=71°, and DB = 67 feet. Find the length of BC to the nearest tenth of a foot.
PSYCHO15rus [73]

Answer:

in triangle BCD

relationship between base and hypotenuse is given by cos angle

cos 71=b/h

cos71=BD/BC

cos71=67/x

x=67/cos71=205.8ft.

the length of BC to the nearest tenth of a foot is 206ft.

8 0
3 years ago
How can i solve it? I need to know how to solve iy
natita [175]
All of my resources are saying that this has no inverse.
6 0
3 years ago
The ratio of juniors to seniors in history class is 4 to 5. How many seniors are in the class if there are 12 juniors in the cla
pashok25 [27]

Answer:

15

Step-by-step explanation:

4/5 4*3 is 12 5*3 is 15

8 0
3 years ago
Read 2 more answers
Other questions:
  • The graph below shows four straight lines, W, X, Y, and Z.
    10·2 answers
  • At a perfume factory, fragrance designers are making Green Blossom perfume by mixing New Grass fragrance with 3/4 times as much
    9·1 answer
  • You and two friends decide to go to Mexico City from El Paso. Your friend volunteers his car if everyone chips in for gas. It is
    8·1 answer
  • A charter flight charges a fare of $300 per person plus $15 per person for each unsold seat on the plane. The plane holds 100 pa
    12·1 answer
  • 700 students attend Ridgewood Junior High School. 25% of students bring their
    10·2 answers
  • 4 2/3 = 5 − 1/3<br> true or false
    13·1 answer
  • Find the slope using points ( 4 , 0 ) and ( 12, 2)<br><br> Will give brainliest to best answer
    9·1 answer
  • Help me with my math, please
    9·1 answer
  • Part A
    12·2 answers
  • Sketching a Hyperbola In Exercises 19-32, find the center, vertices, foci, and the equations of the asymptotes of the hyperbola.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!