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bogdanovich [222]
2 years ago
8

Numbers 37 and 39. I’m not sure how to solve them

Mathematics
1 answer:
Marrrta [24]2 years ago
8 0
37. 3/8 hours

You can get this by dividing 3/4 by 2. 

The key to doing these types of problems is remembering that if they are going faster by that much, it doesn't matter what the speeds are. You can treat it as if one is standing still and the other is going 2mph. 
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6x – 8y = -94
Korolek [52]

Answer:

photomath, assistant in mathematics, will decompose everything and give the correct answer.

6 0
2 years ago
The solution to a conjunction is the what of the two solutions?
svetoff [14.1K]

Answer:

A conjunction is a statement formed by adding two statements with the connector AND. The symbol for conjunction is ‘∧’ which can be read as ‘and’. When two statements p and q are joined in a statement, the conjunction will be expressed symbolically as p ∧ q. If both the combining statements are true, then this statement will be true; otherwise, it is false.

Step-by-step explanation:

hope this helps:)

3 0
2 years ago
Read 2 more answers
How does the value of the 9 in 49.21 compare to the value of the 9 in 982.3?
Ghella [55]
The value of 9 in 49.21 is 9.00
but the value of 9 is 982.3 is 900
8 0
2 years ago
What time was it 2011 minutes after the beginning of January 1
PIT_PIT [208]
Okay! 

Notable things in the problem:
2011 <u>minutes</u> <u>AFTER</u> the beginning of January 1rst. 

12:00AM will be our starting time, because that's when January 1rst begins. 
It'll be a bit easier to work with if we convert the 2011 minutes into hours. 
So take 2011 minutes and divide it by 60 to get the number of hours. 

2011 / 60 = 33 hours and 31 minutes

You wouldn't be able to easily get the exact number of minutes from a calculator. You'll need to use long division. The remainder will be the number of minutes. If you want to check you can multiply the number of hours by 60 and add 31 to the product. If it doesn't equal 2011 minutes then something is amiss. 

12:00 AM 

Since we know this is a 24 hour clock we can subtract 24 from our number of hours. (Just remember that this is the next day) 

12:00 AM with 9 hours and 31 minutes left. 

9:31 AM a day later is our time!<u />
8 0
3 years ago
One eight-ounce glass of apple juice and one eight-ounce glass of orange juice contain a total of 183.0 milligrams of vitamin C.
uysha [10]

Answer:

Apple juice there are 95.9 mg

Orange juice there are 87.1 mg

Step-by-step explanation:

We can get a system of equations from the statement.

Let x be the amount of vitamin C in apple juice

Let y be the amount of vitamin C in orange juice

Now, with the statement we have to:

x + y = 183 (1)

2 * x + 3 * y = 453.1 (2)

We have an equation system, of 2 equations with 2 unknowns, that is, it has a solution.

If we multiply the first equation by 2 and subtract the second equation, we are left with:

2 * x + 3 * y - 2 * x - 2 * y = 453.1 - 2 * 183

Solving

y = 453.1 - 366

y = 87.1

Now to calculate x:

x + y = 183

x + 87.1 = 183

x = 183 - 87.1

x = 95.9

To check:

https://es.symbolab.com/solver/step-by-step/x%20%2B%20y%20%3D%20183%3B%202%5Ccdot%20x%20%2B%203%5Ccdot%20y%20%3D%20453.1

Therefore in apple juice there are 95.9 milligrams of vitamin C and in orange juice there are 87.1 milligrams.

8 0
3 years ago
Read 2 more answers
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