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san4es73 [151]
3 years ago
14

What is the smallest number such that when it is divided by 3,5,7 leaving remainder 2 in each case

Mathematics
1 answer:
aleksley [76]3 years ago
7 0
Isn't it 107? LCM of 3 5 7 should be 105 + 2 = 107?
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8.517 in two other ways
vichka [17]
8.517 as a Fraction:8 and 500/1000 ( This is a mixed number)
8.517 as a Percentage: 815.7%
5 0
3 years ago
I need help! Number 7 pls
Ronch [10]
I think that it's 54.6
3 0
3 years ago
Simplify this can someone help please
Reil [10]

Answer:

243 × 12

Step-by-step explanation:

multiply 81 by 3

next multiply 3 by 4

then you got your answer

6 0
3 years ago
Read 2 more answers
The amount of Q of water emptied by a pipe varies directly as the square of the diameter d. A pipe 9 inches in diameter will emp
yan [13]

64 gallons of water are emptied in the same amount of time by a pipe that is 4 inches in diameter

Step-by-step explanation:

Direct variation is a relationship between two variables in which one is a constant multiple of the other

  • If y direct variously with x, then y ∝ x
  • The equation of variation is y = k x, where k is the constant of variation
  • You can find the constant of variation by using the initial values of x and y

∵ The amount of Q of water emptied by a pipe varies directly

   as the square of the diameter d

- That means Q is varies directly with square d

∴ Q ∝ d²

∴ Q = k d²

∵ A pipe 9 inches in diameter will empty 324 gal of water over

   a fixed time period

∴ d = 9 and Q = 324

- Substitute them in the equation above to find k

∵ 324 = k(9)²

∴ 324 = 81 k

- Divide both sides by 81

∴ 4 = k

- Substitute the value of k in the equation of variation

∴ Q = 4 d² ⇒ equation of variation

∵ The diameter of a pipe is 4 inches

∴ d = 4

- We need to find the amount of water are emptied in the same

   amount of time by the pipe

∵ Q = 4(4)²

∴ Q = 64 gallons

64 gallons of water are emptied in the same amount of time by a pipe that is 4 inches in diameter

Learn more:

You can learn more about the direct variation in brainly.com/question/10708697

#LearnwithBrainly

5 0
3 years ago
Help me with this plz!,
Pie

Answer:

\frac{12}{27} Simplified version

Step-by-step explanation:

(\frac{4}{5} + \frac{1}{3}) × \frac{5}{9}

The first step would be to add together what is in the parenthesis. Make sure that both fractions have the same denominator. In this problem they don't, so we have to find the least common number that they both have. The number here would be 15. 5 × 3 = 15 and vise versa.

((\frac{4}{5} x \frac{3}{3}) + (\frac{1}{3} x \frac{5}{5})) × \frac{5}{9}

(\frac{12}{15} + \frac{5}{15}) × \frac{5}{9}

(\frac{17}{15} × \frac{5}{9} Multiply straight across (denominators do <u>NOT</u> need to be the same)

\frac{85}{135} = \frac{12}{27}

4 0
3 years ago
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