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Papessa [141]
3 years ago
13

Samantha is making soup. to make the broth, she combines 2/5 cup of vegetable stock and 2/3 cup of chicken soup stock. Boiling

the broth causes 1/4 cup of the liquid to evaporate. How much broth is left after it is boiled?
Mathematics
2 answers:
klasskru [66]3 years ago
8 0
Add 2/5 + 2/3, but first change the fractions so that they have an equal denominator. Since 3 and 5 (the denominators) both have 15 in common lets multiply 2/5 by 3/3 which gets you 6/15. 2/3 x 5/5 equals 10/15. 6/15 + 10/15= 16/15. Don't change 16/15 into a mixed number yet we still have to subtract 1/4 cup of liquid (after it's boiled) from the total amount of liquid (before it's boiled): 16/15. 16/15 and 1/4 don't have the same denominator, we're going to have to change that. 15 and 4 both have 60 in common. So now let's multiply 1/4 by 15/15 which equals 15/60. Now we're going to change 16/15 by multiplying it by 4/4 which equals 64/60. Finally, we're going to subtract 64/60 - 15/60=49/60.49/60 cups of broth is left after its boiled.
storchak [24]3 years ago
6 0
First,you do,2/5+2/3,but since you will need a common denominator,you will find the least common denominator for 5 and 3.The LCD(Least Common Denominator) will be 15 since both 5 and 3 could go in 15.Now,the equation looks like this: 2/15+2/15 since whatever you do to the bottom numbers,you NEED to do to the top numbers:2 and 2.Now you will need to do,2x3,since 5x3=15 and the answer to 2x3=6 then you do 2x5,since 3x5=15 the answer is 10 now the equation looks like this:6/15+10/15 now you add them together,and the answer will be 16/15 and if you want the answer to be a mixed number,it would look like this: 1 1/15. Hope this helps!
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Step-by-step explanation:

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3 years ago
Please help me with this
yanalaym [24]
A
<em>Graph g</em>
The Rate of change is a little right triangle that is drawn from to to three parallel to the x axis and from about 45 to 60 on the y axis.
The square brackets means the the endpoints are included.
So the rate of change is \frac{\Delta y}{\Delta x} =  \frac{60-45}{3 - 2} = \text{15}
<em>Graph h</em>
\text{rate of change = }  \frac{\Delta y}{\Delta x} =  \frac{35 - 20}{3 - 2} = 15
<em>Graph f</em>
\text{rate of change = } \frac{\Delta y}{\Delta x} = \frac{35 - 10}{3 - 2} = 25
<em>Conclusion</em>
This is very hard to call. There are two the same (two of them being g and h) It's a graph and so it is nearly impossible to differentiate. I would say the statement is false but be prepared to get it wrong. Draw g and h for yourself and see what you think. If you get the two of them different, go with your answer.

B
Another tough one to call. f and g cross at four. It is true f and h. The value of f(4) > h(4). Again, if you do this and disagree, then go with your answer. Mine is false.

C
It is very difficult to reproduce this graph on desmos so that you get a clear cut answer from the graph. I cheated and used a calculator. f(x) is over 6000 and h(x) = 168. This statement is also not true.

D
Here again this is false. g's rate of change is a constant. Eventually f will have the same slope as bitcoin's value which is in the range of about 6000. So this statement is false as well.

E
See the comment about F in the answer for D. This statement is true.

F
This is definitely a true statement. 

Conclusion or answer
E and F <<<<<<< True should be checked.

I would check the first two statements with a calculator. I did them with a graph. 
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Answer:

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Step-by-step explanation:

8q+6=4q-14

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8q+6=4q-14

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4q+6=-14

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4q+6=-14

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