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Jobisdone [24]
3 years ago
9

Plz Help Plz...this is hard cause im a 7th grader doing 8th grade math plz Help​

Mathematics
1 answer:
Gnesinka [82]3 years ago
5 0
Your answer to this question will be D.
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The freezing point of methanol is -97.6. What is the freezing point of methanol in Fahrenheit
motikmotik

Answer:

-143.68°F

Step-by-step explanation:

Celsius to Fahrenheit Conversion Formula: F = 1.8C + 32

Simply plug in <em>c</em> as -97.6:

F = 1.8(-97.6) + 32

F = -175.68 + 32

F = -143.68

3 0
4 years ago
Read 2 more answers
Brian has 3/4 hour to work on his math problem. It takes him 1/8 hour to finish one math problem. How many math problems can bri
Sergeu [11.5K]
B is the answer for the answer  you asked 
4 0
3 years ago
Read 2 more answers
When you divide a whole number by a decimal less than 1, the quotient is greater than the whole number. why?
Viktor [21]
Well if you get back to the definition of a division, diving X by Y is finding out how many Ys you can have in a X.

It is clear that you will have more than X times Y if Y is less than 1 since dividing X by 1 is exactly X.

If you think of 10 and 1, you can divide 10 in exactly 10 portions of 1.
But you can divide it into 100 portions of 0,1.
And 100 is bigger than 10 of course.
Hope this helps.
4 0
3 years ago
Read 2 more answers
If tatianna works 3hrs a day on school days and make $123.75 a week what is her hourly rate?​
madreJ [45]

<u><em>Answer:</em></u>

Her hourly rate is $8.25

<u><em>Explanation:</em></u>

Tatianna works 3 hours a day on school days and makes a total of $123.75 in a week

<u>We know that:</u>

There are 5 school days in a week

<u>We are given that:</u>

She works for 3 hours a day each of those days

<u>Therefore:</u>

Total number of hours worked = hours worked daily * number of days

Total number of hours worked = 3 * 5 = 15 hours in a week

<u>The equation used to calculate Tatianna's earnings is:</u>

Amount she makes in a week = Total number of hours worked * hourly rate

<u>Now, we substitute with the givens to get the hourly rate as follows:</u>

Amount she makes in a week = Total number of hours worked * hourly rate

123.75 = 15 * hourly rate

Hourly rate = $8.25

6 0
3 years ago
A queue with a single server receives 50 requests per second on average. The average time for the server to address a request is
sdas [7]

Answer:

P(X=k) = \displaystyle\frac{(2.5)^ke^{-2.5}}{k!}

Step-by-step explanation:

This is a typical example where the Poisson distribution is a good choice to model the situation.

In this case we have an interval of time of 50 milliseconds as average time for the server to address one request and 50 requests per second.  

By cross-multiplying we determine the expected value of requests every 50 milliseconds.  

We know 1 second = 1,000 milliseconds

50 requests __________ 1000 milliseconds

 x requests __________ 50 milliseconds

50/x = 1000/50 ===> x = 2.5  

and the expected value is 2.5 requests per interval of 50 milliseconds.

According to the Poisson distribution, the probability of k events in 50 milliseconds equals

\bf P(X=k) = \displaystyle\frac{(2.5)^ke^{-2.5}}{k!}

5 0
3 years ago
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