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andre [41]
3 years ago
6

$3.00/hour = ____ cents/minute? a. 3.4 b. 5 c. 1.8 d. 300

Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0
1$ = 100 cents,    1 hour = 60 minutes

$3.00/hour =  (3*100) cents / (1*60)minutes
 
                   =  300 cents/60 minutes
 
                   = 5 cents/minute

Option b.
Sveta_85 [38]3 years ago
3 0

Answer:

b. 5

Step-by-step explanation:

∵ 1 hour = 60 minutes and 1 dollar = 100 cents,

Given,

Rate is $ 3.00/hour

1 hour = 3 dollars,

⇒ 60 minutes = 3 dollars

⇒ 60 minutes = 300 cents

⇒ 1 minute = \frac{1}{60}\times 300 = 5 cents

Hence,

$3.00/hour = 5 cents/minute

Therefore, OPTION 'b' would be correct.

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Mamont248 [21]
If there are 40 children aged twelve and under and x of them are under three years old, 40 - x aged three twelve years old. From the 92 people that where taken by the company on whale watching trips, 52 are over twelve years old. The equation that best show the total cost, C is
                                (40 - x)(36) + (52)(48) = C
Rearranging the equation gives,
                                       x = 40 - ((C - 2496)/ 36)
4 0
4 years ago
Plz help me !!!!!!!!
vazorg [7]

You factor the numerator and denominator and cancel the common factors. So maybe that should help you

8 0
3 years ago
Read 2 more answers
2xsquared + 19x -6 = 180
Karolina [17]

Answer:

Step-by-step explanation:

7 0
4 years ago
A researcher is interested in the lengths of brook trout, which are known to be approximately Normally distributed with mean 80
aliya0001 [1]

Answer:

P(X

And we can find this probability with the normal standard distirbution or excel and we got:

P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the lenghts of a population, and for this case we know the distribution for X is given by:

X \sim N(80,5)  

Where \mu=80 and \sigma=5

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

And we can find this probability with the normal standard distirbution or excel and we got:

P(z

6 0
3 years ago
The following circle graph represents how the Townsends spend their monthly income. What is the central angle measure of the sec
mars1129 [50]
Please say brainliest.

It would be 18 degrees.

5% of 360(the total number of degrees in a circle) = 18 degrees
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3 years ago
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