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Aleonysh [2.5K]
3 years ago
9

Hildy had 2.5 oz of liquid for a science experiment. the instructions said that the experiment needed 3 oz of liquid. she went t

o the cabinet and got an additional 7.5 oz of liquid. did hildy get a reasonable amount of liquid out of the cabinet?
a. yes, hildy got a reasonable amount of liquid because she needed a total of 7.5 oz (2.5 × 3 = 7.5).
b. no, hildy did not get a reasonable amount of liquid because she only needed 0.5 oz (3 – 2.5 = 0.5).
c. no, hildy did not get a reasonable amount of liquid because she only needed 5.5 oz (3 2.5 = 5.5).
Mathematics
2 answers:
Mashutka [201]3 years ago
8 0
Answer is b answer is b
solmaris [256]3 years ago
6 0
For this case we have the following amount of liquid:
 2.5 oz.
 The amount of liquid needed is:
 3 oz.
 Therefore, the amount of fluid needed is:
 3oz - 2.5oz = 0.5oz
 Answer:
 
b. no, hildy did not get a reasonable amount of liquid because she only needed 0.5 oz (3 - 2.5 = 0.5).
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3 years ago
the uniform distribution over the interval 8.5 to 11.5 gallons per minute. Find the probability that between 9.0 gallons and 10.
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Answer: 1/3

Step-by-step explanation:

Here is the complete question:

machine is set to pump cleanser into a process at the rate of 9 gallons per minute. Upon inspection, it is learned that the machine actually pumps cleanser at a rate described by the uniform distribution over the interval 8.5 to 11.5 gallons per minute. Find the probability that between 9.0 gallons and 10.0 gallons are pumped during a randomly selected minute.

The Probability of the above question will be calculated as:

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3 0
2 years ago
Which is the graph of the following equation?
lesantik [10]

Given equation is

\frac{(x-5)^2}{16} - \frac{(y-2)^2}{9}=1

The given equation is in the form of

\frac{(x-h)^2}{a^2} - \frac{(y-k)^2}{b^2}=1

a^2= 16  , so a=4

b^2 = 9 so b= 4

The value of 'a' is greater than the value of 'b'

So it is a Horizontal hyperbola

First two graphs are horizontal hyperbola

Here center is (h,k)  

h= 5 and k =2 from the given equation

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Now we find vertices

Vertices are (h+a,k)  and (h-a,k)

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The correct graph is attached below


7 0
3 years ago
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Andru [333]

Answer:

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Step-by-step explanation:

To multiply decimals, begin by multiplying the numbers as if there is <u>no decimal</u>:

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Count the number of digits <u>after</u> the decimal point in each factor:

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Therefore, there is a total of 3 digits after the decimal points.

Put the same number of digits after the decimal point in the product.

Therefore, the solution is to the multiplication is:

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The factor with the <u>fewest signification figures</u> is 3.24.

This number has 3 significant figures.

Therefore, the solution to 3 significant figures is:

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5 0
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meriva
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