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
astra-53 [7]
2 years ago
15

in a class where a number of girls is 36% of the total number there are 48 boys how many students are there in the class

Mathematics
2 answers:
Pavel [41]2 years ago
3 0

Step-by-step explanation:

girls=36%

boys=100%-36%

=64%

boys:48=64%

?=100%

*you cross multiply to get

75 as the total students

andreev551 [17]2 years ago
3 0
75 total students in class
You might be interested in
Find the vector projection of B onto A if A = 5i + 11j – 2k,B = 4i + 7k​
valkas [14]

Answer:

\frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\

Step-by-step explanation:

Given A = 5i + 11j – 2k and B = 4i + 7k​, the vector projection of B unto a is expressed as proj_ab = \dfrac{b.a}{||a||^2} * a

b.a = (5i + 11j – 2k)*( 4i + 0j + 7k)

note that i.i = j.j = k.k  =1

b.a = 5(4)+11(0)-2(7)

b.a = 20-14

b.a = 6

||a|| = √5²+11²+(-2)²

||a|| = √25+121+4

||a|| = √130

square both sides

||a||² = (√130)

||a||²  = 130

proj_ab = \dfrac{6}{130} * (5i+11j-2k)\\\\proj_ab = \frac{30}{130} i+\frac{11}{130} j-\frac{12}{130} k\\\\proj_ab = \frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\\\

<em>Hence the projection of b unto a is expressed as </em>\frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\<em></em>

7 0
3 years ago
What is 4w=48 BTW I don't know the answer I tried really hard
AlexFokin [52]
4w = 48
Divide each side by 4. (division property of equality)
w = 12
7 0
3 years ago
Read 2 more answers
C+4c=15 what’s the answer?
Fynjy0 [20]
C=3 that’s the answer I think
4 0
2 years ago
Tihn can row at a rate of 6 mph in still water, it takes her 2 hours to row upstream from a dock to a park. She then rows back t
nydimaria [60]

Answer:

A. 3mph

Step-by-step explanation:

This is the answer for Edg 2020

5 0
2 years ago
How do I solve this 2 step equationn?<br> y/6 - 7 = 4
romanna [79]

Answer: y= 66

Step-by-step explanation: Well first you would do +7 on both sides and then it would be Y/6=4+7, then you would multiply 6 on both sides which then you would have y=24+42 which simplified it would be y=66

3 0
2 years ago
Read 2 more answers
Other questions:
  • What is the value of x?<br><br><br><br> Please helpppp
    10·2 answers
  • PLEASE HELP ME WITH THIS QUESTION! Brainiest answer for first correct answer.. Please no guesses.
    10·1 answer
  • NUMBER LINE REALLY EASY PLEASE SOLVE
    6·2 answers
  • 2m + 8m converted to Verbal Phrase
    11·1 answer
  • The value of 5^-3x2^-1
    8·2 answers
  • Find the slope of the line tangent to the function y=6-3x at the point (5,0)
    11·1 answer
  • Divide (x^3 - 4x^2 - 2x -5) by (x-5)
    15·1 answer
  • Which of the following is an example of natural selection?
    9·1 answer
  • HELP PLEASE!<br><br>Which diagram represents a fraction equivalent to 40%? ​
    13·2 answers
  • BRAINLIEST AND LOTS OF POINTS! Help please, and quickly!!!!!
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!