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BlackZzzverrR [31]
3 years ago
13

I’m 30 minutes, 40 litres of water runs through a pipe. How much water would run through the pipe in 12 minutes

Mathematics
2 answers:
alexandr402 [8]3 years ago
7 0

Answer:

= 16 litres of water

Step-by-step explanation:

30 mins = 40 litres

15 mins = 20 litres

3 mins = 4 litres

12 mins = 16 litres

Rzqust [24]3 years ago
6 0

Answer:

16 liters

Step-by-step explanation:

40 liters ÷ 30 mins = 1.333333... liters

1.3333333... liters x 12 mins = 16

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Write an expression with a negative exponent that has a value between 0 and 1/2
aliya0001 [1]
<span>Exponent is a number used to express shorter equation; it is a number that says how many times you are going to multiply the base number.
</span><span>
Exponents have several laws, here are some:
=> x^1 = x
=> x^0 = 1
=> x^-1 = 1/x
=> x^m x^n = X^m+n
=> x^m/x^n = x^m-n

And since we were asked to write an expression with a negative exponent that has a value between 0 and ½
=> 2^ -2 = ½

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4 0
3 years ago
|3 + x| = 5<br> Solve for x
bearhunter [10]

Answer:

x = - 8 , x = 2

Step-by-step explanation:

the absolute value function always gives a positive result, however, the expression inside can be positive or negative, , that is

x + 3 = 5 ( subtract 2 from both sides )

x = 2

or

-(3 + x) = 5

- 3 - x = 5 ( add 3 to both sides )

- x = 8 ( multiply both sides by - 1 )

x = - 8

5 0
2 years ago
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Last month, when Joe took his puppy to the veterinarian, the puppy weighed 4.2 pounds. This month, the puppy weighed 5.46 pounds
Andreas93 [3]

Answer:

29.8%

Step-by-step explanation:

Formula for percent increase is ((Final Value - Initial Value) / Initial Value)*100

5.45 - 4.2 / 4.2 = 0.298 * 100 = 29.8

8 0
3 years ago
4 (-3x - 1) = 13x + 6
GarryVolchara [31]

Answer:

x=-2/5

Step-by-step explanation:

4(-3x-1)=13x+6 ~ Distribute the 4 into the parenthesis

-12x-4 = 13x+6 ~ add 12x to both sides

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4 0
3 years ago
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Which table of values appears to have been used to graph the line shown below?
Firdavs [7]

Answer:

c is the correct answer

Step-by-step explanation:

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3 years ago
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