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TiliK225 [7]
3 years ago
10

Three pipes can be used to fill up a

Mathematics
1 answer:
Tomtit [17]3 years ago
4 0

Answer:

19 mins

Step-by-step explanation:

Adding up timing od pipe A,B ,C

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The ratio of the number of dolls Jacky had to the number of dolls Peter had was 5:2 but, after Jacky gave 15 dolls to Peter, the
sleet_krkn [62]

Answer:

70 dolls

Step-by-step explanation:

Hello!

The ratio is 5:2, which are division of  a whole. They can be represented as 5x and 2x.

Jacky has 5x dolls, and Peter has 2x dolls. They were equal after subtracting 15 dolls from 5x and adding them to 2x.

Equation:

  • 5x - 15 = 2x + 15

Solve:

  • 5x - 15 = 2x + 15
  • 5x - 30 = 2x
  • 5x = 2x + 30
  • 3x = 30
  • x = 10

So Jacky has 5(10) dolls, or 50 dolls, and Peter has 2(10) or 20 dolls.

The total sum is 70 dolls.

4 0
2 years ago
Read 2 more answers
teri and her friends bought a party size sandwich that was 7/9 yard long. they ate 2/3 of a yard. what part of the yard was left
Marysya12 [62]
Teri had 7/9 of a sandwich, you need to find a common denominator for 2/3. Multiply 2/3 by 3 which is 6/9. (6/9 is how much they ate) Then you subtract 7/9 by 6/9 (7/9-6/9=1/9)
Answer:1/9 of a yard

I hope this helped.. not much of a teacher hahah :)
6 0
3 years ago
Solve this problem please
Anestetic [448]
8*6=48, 4*8=32, 5*8= 40, 5*4/2= 10*2=20. So, 48 + 32 + 40 + 20= 140 so the answer is 140 cm squared! Hope this helps! Can I get brainliest pls
7 0
3 years ago
Read 2 more answers
FUN QUESTIONS OF MATHETICS FOR BOREDISH PEOPLE:<br> 3x3?<br> 4x5?<br> 8x9?<br> 7x3?
PIT_PIT [208]

Answer: 3x3=9, 4x5=20, 8x9=72, and 7x3=21!

Step-by-step explanation:

5 0
2 years ago
A mom with four children decided she wanted to control how to divide up the amount of Halloween candy collected. She combined al
vesna_86 [32]

Answer:

201

Step-by-step explanation:


6 0
3 years ago
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