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
AnnyKZ [126]
3 years ago
14

a group of 4 pupils can take 2 weeks to do a certain job.how long will 12 pupils take to complete the job if they work at the sa

me rate​
Mathematics
1 answer:
Ksivusya [100]3 years ago
7 0

Answer:

6 weeks

Step-by-step explanation:

Set up a proportion where x is the amount of time with 12 pupils:

\frac{4}{2} = \frac{12}{x}

Cross multiply and solve for x:

4x = 24

x = 6

So, it will take 12 pupils 6 weeks to complete the job.

You might be interested in
ILL BRAINLIEST YOU PLEASE HELP ME
Rudik [331]

Answer:

AS IT IS RIGHT ANGLE .

THEREFORE, 1 ANGLE =90°

A=55°,

LET LAST ANGLE BE Y.

THEREFORE, Y=90-55=35°

RATIO OF A:Y=55:35=11/7

RATIO OF ANÔTHER SIDE :X=11:7

HYPOTENOUES=8

THEREFORE8^2=11X^2+7X^2

64=121X^2+49X

6 0
3 years ago
The sample variance of hourly wages was 10. what is the sample standard deviation?
lapo4ka [179]
<span>Standard deviation is defined as the quantity which expresses by how much the members of a group is different from the mean value for the group.
</span>
The sample standard deviation with a <span>sample variance of hourly wages 10 will be $3.16.

Explanation:

</span><span>The standard deviation is the square root of the variance.
Therefore,
The square root of 10 dollars can be calculated as:

 </span>√10 = $3.16
8 0
3 years ago
HELP PLEASE!!!!!!! IM TIREDD AND AM STUCK ON THIS LAST QUESTION THAT IVE BEEN WORKIGN ON FOR 20 MINUTES
avanturin [10]

Answer:

1/3

Step-by-step explanation:


7 0
3 years ago
Mustafa buys a book that costs $12.50 if the sales tax is 8% what is the total cost of the book
wariber [46]
The total cost of the book would be:

12.50* 0.8= 10

The total cost of the book would be $10.00
7 0
3 years ago
Read 2 more answers
What is a transformation
lianna [129]
A way to change the shape of a point, a line, or shape.
3 0
3 years ago
Other questions:
  • Michael has 14 video games that he no longer plays. Five of the video games do not work. If he wants to sell the working video g
    15·2 answers
  • Help me i need this on sep 16 2019
    5·1 answer
  • Solve:<br> 2/3x - 4 = -2<br> A) -3 <br> B) -4 <br> C) -9 <br> D) 3
    8·2 answers
  • Josh walks 18 dogs each week. today he is walking 1/3
    5·2 answers
  • Christina is packing different books into boxes. The paperback books weigh 0.8 pounds each. The hardcover books weigh 1.3 pounds
    14·1 answer
  • Please help my exam is going on please and both question of math<br>​
    14·1 answer
  • Lee and his friends ate 9/2 pizzas. How many pizzas is in mixed number forms
    6·1 answer
  • Amber saved a total of $3.20 over 5 weeks. She saved the same amount of money each week.
    9·2 answers
  • Don't guess!
    5·2 answers
  • A town doubles its size every 64 years. If the population is currently 1700, what will the population be in 128 years.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!