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enyata [817]
2 years ago
15

4000 + 12 343 x 2 =(A)

Mathematics
1 answer:
Vikentia [17]2 years ago
7 0

Answer:

12,686

Step-by-step explanation:

add both numbers up then multiply by 2

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you took out a loan of $1,200 with the principal pay off of $200 a month each month you paid 200 plus the interest at a rate of
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A circle has a radius of 11cm find the area of a sector woth central angle that measures 225 degrees
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
3. Solve the following application of a system of linear equations.
zhuklara [117]

Answer:

Equations:

y =  14 + 9 x --- Cindy

y = 10 x --- Ruben

Solution to equation:

Time they have the same amount: 14 minutes

Number of cards they have at that time: 140 flashcards

Step-by-step explanation:

Solving (a): Variables and what they represent

The variables to use are x and y

Where x represent the minutes and y represents the number of flashcards in x minutes

Solving (b): System of linear equation

Cindy:

Existing\ Flashcards = 14

Additional = 9 per minute

Total number of flashcards (y) in x minutes is:

y =  Existing\ Flashcards + Additional * x

y =  14 + 9 * x

y =  14 + 9 x

Ruben:

Rate = 10 per minute

Total number of flashcards (y) in x minutes is:

y = Rate * x

y = 10 * x

y = 10 x

Solution to Equations:

Time they have the same amount.

To do this, we equate both expressions

i.e.

10x = 14 + 9x

Collect Like Terms

10x - 9x = 14

x = 14

Number of cards they have at that time.

Here, we simply substitute 14 for x in any of the equations.

y = 10 x

y = 10 * 14

y = 140

or

y =  14 + 9 x

y = 14 + 9 * 14

y = 14 + 126

y = 140

4 0
2 years ago
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