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
quester [9]
2 years ago
12

in an exam 90% students passed if the 15 student fail find the number of students appeared in the examination​

Mathematics
2 answers:
Flura [38]2 years ago
7 0

Step-by-step explanation:

90%passed

100%-90%=10% failed

10%=15 students

100%=x students

  • USE CROSS METHOD

10x=1500

x=1500/10

x=150 number of students appeared in the exam.

Oliga [24]2 years ago
6 0

Answer:

150

Step-by-step explanation:

15 fail

90 percent pass

15=10 percent

135=90 percent

150

You might be interested in
The following data points are the number of chocolate chips in 4 different chocolate chip cookies in a
11Alexandr11 [23.1K]
Standard Deviation, σ: 1.870828693387

Count, N: 4
Sum, Σx: 12
Mean, μ: 3
Variance, σ2: 3.5
6 0
4 years ago
Henry begins a savings account with $500. The savings account accumulates 2.5% annual interest based on the
fiasKO [112]
It’s B I did this question and got the same answer
7 0
2 years ago
PLEASE HELP!!!!!!!!!!
kobusy [5.1K]
73 feet per second

Steps-
Miles to cover- 50 miles = 50*5280 feet = 264,000 feet
Time it takes- 1 hour = 1*60*60 seconds = 3,600 seconds

So speed is- 264,000 feet per 3,600 seconds = 264,000 / 3,600 = 73.33 ft per second
4 0
3 years ago
What is the measure of the exterior angle at D?
coldgirl [10]

Answer:

360-63

=297 my guy

7 0
3 years ago
A automated car Wash can watch 30 cars in 2 hours how long would it take it to wash 90 cars
inessss [21]

Answer:

30/5=6 is the answer  

Step-by-step explanation:

explanation:

120/6=20 hours...  I hope I helped :)

4 0
3 years ago
Other questions:
  • A jar contains n nickels and d dimes. There are 28 coins in the jar,and total value of the coins is $2.20. How many nickels and
    12·1 answer
  • The sum of two numbers is 153. if four times the smaller number is subtracted from the larger​ number, the result is 18. find th
    12·1 answer
  • What is 1/2x16(4+v)=136
    10·2 answers
  • What is 12 14/15 as a decimal
    9·2 answers
  • Grandpa's age is 6 years less than 6 times juniors age. their sum of their age is 78.
    7·2 answers
  • Stephen was thinking of a number. Stephen adds 7.9 to the number, then doubles the result to get an answer of 20. Form an equati
    7·1 answer
  • Is feet bigger than inches
    8·2 answers
  • Identify the initial amount and the growth rate of the following:<br> Y = 9.8 (1.35)^t
    13·1 answer
  • What is square root of 5x^4-6x^5+x^6+16x^3-8x^2-8x+4 ? <br>help me pleasee !​
    6·1 answer
  • Set A contains all integers from 50 to 100 inclusive, Set B contains all integers from 69 to 138 exclusive. How many integers ar
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!