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
ivolga24 [154]
3 years ago
5

You have a 100 coins laying flat on a table, each with a head side and a tail side. 10 of them are heads up, 90 are tails up. yo

u can’t feel, see or in any other way find out which side is up. split the coins into two piles such that there are the same number of heads in each pile.
Mathematics
1 answer:
dmitriy555 [2]3 years ago
5 0
I LOVE THIS PUZZLE

so,
the solution is
take 10 coins off to the side
flip those 10 over
done

sounds too simple?
 

this can be solved with algebra for ANY number of coins
lets say we have 50 coins, all tails
we flip h coins head
if h=x+y
if we seperate h coins off, we get x heads, and y tails
and in the other pile, we have y heads and the rest of the tails
so now, if we flip all the coins, we get y heads  in the pile and x tails





solution:
seperate 10 coins and flip all 10 of them over
You might be interested in
Find the product of:
eduard

Answer:

144/5

Step-by-step explanation:

\large \rm \: 9 \frac{2}{3} \times 1 \frac{1}{29} \times \frac{6}{15 } \times 7 \frac{1}{5}  \\  =  \frac{29}{3}  \times  \frac{30}{29}  \times  \frac{6}{15}  \times  \frac{36}{5}  \\  = 10 \times  \frac{216}{75}  \\  =  \frac{2160}{75}  \\  =  \frac{144}{5}

5 0
2 years ago
Read 2 more answers
Tia and her 5 friends are going to the ice skating ring. Each person pays $5 for admission and $5 for food. Write a numerical ex
dedylja [7]
The expression would be (5*6)+(5*6)=x
or you could shorten it and do (10*6)=x
8 0
3 years ago
I never got my anwser to finding the product and write the lowest term to<br> 7/54×27/35
kenny6666 [7]

Answer:

Step-by-step explanation:

7 / 54 * 27/35 =

1/2 * 1/5 =

1/10 <===

4 0
3 years ago
Solve the compound inequality 3x + 4 ≤ 7
Ierofanga [76]

Answer:

x ≤ 1

Step-by-step explanation:

3x+4≤ 7

3x + 4 - 4 ≤ 7 - 4

3x≤3

x ≤ 1

3 0
3 years ago
You roll two dice, what is the probability of rolling two even numbers?
Karolina [17]
The probability of rolling an even number on the first dice is 1/2(3/6)
The probability of rolling an even number on the first dice is also 1/2 (3/6)
So the probability of getting two even numbers on both dice is 1/2*1/2=1/4

4 0
3 years ago
Other questions:
  • How many 1/8 pieces are there in 3/4
    11·2 answers
  • 3 1/2 × 1 1/2 × 2 =​
    13·2 answers
  • 2/3y = 54 can y be 81
    15·2 answers
  • Plz help with this problem <br><br> 2h*25b^6/8Z^6 <br> simplified
    9·2 answers
  • 1/4 of a pipe is white , 1/2 part of the remaining is blue. If the remaining part is black and the length of this black part is
    13·1 answer
  • the wares want yo buy a new computer. the regular price is $1049. The store is offering a 20% discount and a sales tax of 5.25%
    6·1 answer
  • CJ walks 8 miles in 3 hours. at what unit rate does CJ walk? Please only answer is you understand the question
    15·1 answer
  • 2x + y = 9<br> x = y - 3
    11·2 answers
  • Can someone help me? I’ll reward points + brainalist
    5·1 answer
  • What is the slope of the line that passes through the points (-4, -4)(−4,−4) and (-4, -9) ?(−4,−9)? Write your answer in simples
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!