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kotykmax [81]
3 years ago
5

7) BRAINLIEST + + POINTS :D

Mathematics
2 answers:
noname [10]3 years ago
5 0

Answer:

34%

Step-by-step explanation:

To find the concentration of the new solution, take the percent time the amount of each of the solutions

40 ml* 25% + 60 ml * 40% = 100 ml* percent

40 * .25 + 60 *.40 = 100 * P

10 + 24 = 100 P

34 = 100 P

Divide each side by 100

34/100 = P

.34 = P

Changing to a percent

34% = P

mr_godi [17]3 years ago
4 0

Answer:

C. 34%

Step-by-step explanation:

Hello there!

Divide the solutions into 100s, and find their percentages.

60/100=0.6*40=24

40/100=0.4*25=24+10

24+10=34 %

;)

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finlep [7]
If you would like to solve the system of equations, you can do this using the following steps:

-3x + 4y = 12
x * 1/4 - 1/3 * y = 1 ... x * 1/4 = 1 + 1/3 * y ... x = 4 + 4/3 * y
_____________
<span>-3x + 4y = 12
</span>-3 * (4 + 4/3 * y) + 4y = 12
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-12 = 12
-12 - 12 = 0
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The correct result would be: <span>the system of the equations has no solution; the two lines are parallel.</span>
4 0
3 years ago
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Hoochie [10]

Answer:

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Step-by-step explanation:

We can do it by long division method  the required quotient is 3x-5 and r=0

not 3x-1 , r=1

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Now after solving we will get  

Now, multiply the divisor by -5 we will get -5x-15 which will cancel the entire dividend.

5 0
3 years ago
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Answer: That would be  a massive 1500% increase from 16 to 240

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Rachel can buy licorice sticks for $0.75 and cherry candies for $0.50 and has a budget of $25 if her expenses are represented by
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Montano1993 [528]

Answer:

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Step-by-step explanation:

See attached photo for work...

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