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Olegator [25]
3 years ago
12

Working together takes two different size hose 30 minutes to fill a small swimming pool if it takes 40 minutes for the larger ho

se to fill the swimming pool by itself how long will it take the smaller hose to fill the pool on its own?
Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0
So when the pool is filled by the two hoses together in 30 minutes, the larger hose itself fills 30/40 = 3/4 of the pool. That means in those 30 minutes the smaller hose fills 1/4 of the pool; and that means it would take the smaller hose 30*4 = 120 minutes to fill the pool alone.
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What is the simplified form of the following expression?
geniusboy [140]

Answer:

242

Step-by-step explanation:

Simplify the following:

11 ((9^2 - 5^2)/2^2 + 8)

Hint: | Evaluate 2^2.

2^2 = 4:

11 ((9^2 - 5^2)/4 + 8)

Hint: | Evaluate 5^2.

5^2 = 25:

11 ((9^2 - 25)/4 + 8)

Hint: | Evaluate 9^2.

9^2 = 81:

11 ((81 - 25)/4 + 8)

Hint: | Subtract 25 from 81.

| 7 | 11

| 8 | 1

- | 2 | 5

| 5 | 6:

11 (56/4 + 8)

Hint: | Reduce 56/4 to lowest terms. Start by finding the GCD of 56 and 4.

The gcd of 56 and 4 is 4, so 56/4 = (4×14)/(4×1) = 4/4×14 = 14:

11 (14 + 8)

Hint: | Evaluate 14 + 8 using long addition.

| 1 |  

| 1 | 4

+ | | 8

| 2 | 2:

11×22

Hint: | Multiply 11 and 22 together.

| 2 | 2

× | 1 | 1

| 2 | 2

2 | 2 | 0

2 | 4 | 2:

Answer: 242

3 0
3 years ago
What would it be for this?
amm1812
It would be 41 because its m math
3 0
3 years ago
The perimeter of a semicircle is 10.28 kilometers. what is the semicircle's area
alexgriva [62]
The answer is 6.27. Hope this helps.
8 0
3 years ago
Simplify (-9p+7)-(-9p+3)
Dennis_Churaev [7]

\tt{}( - 9p + 7) - (9p + 3)

\tt{} - 9p - 7 + 9p + 3

\tt{}7 - 3

\tt{}4

4 0
3 years ago
Sole the equation for X
musickatia [10]

Answer:

-1/6

Step-by-step explanation:

-2x÷(-2)=1/3÷(-2)

x=1/3÷(-2)

x= 1/3*1/2

x=-1/6

7 0
3 years ago
Read 2 more answers
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