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musickatia [10]
1 year ago
10

A given gas powered water pump delivers 42.50 gallons of water per minute. This value can also be expressed as _____________ L/s

(Liters per second).
Mathematics
1 answer:
OlgaM077 [116]1 year ago
5 0

The rate at which the gas powered pump deliver water is 160.9 litres per seconds

<h3>How to convert rate?</h3>

The gas powered water pump delivers 42.50 gallons of water per minute.

Therefore,

1 gallon = 3.78541 litres

42.50 gallons = ?

cross multiply

volume = 42.50 × 3.78541 = 160.879925 litres

Hence,

60 seconds = 1 minutes

1 second = ?

time = 1 / 60 = 0.01666666666 seconds

Hence,

rate = 160.9 litres per second

learn more on rate here: brainly.com/question/20561529

#SPJ1

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4 12/25

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Hope this helped :)

6 0
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Please help me solve correct one gets Brainliest -6x+30
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Which factors can be multiplied together to make the trinomial 5x^2+8x-4
Kitty [74]

Answer:

Step-by-step explanation:

hello :

5x²+8x-4  quadratic expression when : a = 5  and  b=8  and  c= -4

∆ = b²-4ac        ∆ = 8²-4(5)(-4) = 64 +80 = 144 = 12²

X1 = ( -b -√∆)/2a       X1 = (-8-12)/10 = -20/10= -2

X2 =(-b+√∆)/2a       X2 = (-8+12)/10 = 4/10 = 2/5

us factorisation : a(X-X1)(X-X2)

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4 0
3 years ago
The cost of a daily newspaper varies from city to city. However, the variation among prices remains steady with a population sta
vekshin1

Answer:

Yes, there is sufficient evidence to support the claim that the mean cost is  $1.

Step-by-step explanation:

Data Given:

The population standard deviation \sigma = $0.2

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The sample size n = 12

From above we can use the Z-test for testing the mean from the above given data.

To check whether the mean cost of newspaper is $1.00

\mathbf{H_o} : \mu = $1

\mathbf{H_1} : \mu  \neq $1

The test statistics Z = \frac{\bar {X}- \mu}{\frac{\sigma }{\sqrt{n}} }

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The P-value = 2P (Z< - 1.212)

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Since the value of P is more than the significance level; do not reject the \mathbf{H_o}

Conclusion: We therefore conclude that there is sufficient evidence to support the claim that the mean cost is  $1.

8 0
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