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creativ13 [48]
3 years ago
13

When you combine equations and both variables are eliminated and the result is a true statement, the system of equations has ___

solution(s).
Thanks!
Mathematics
1 answer:
Andrews [41]3 years ago
3 0
One or a unique its the some thing
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What is (5a2 − 3a + 8) + (−4a2 − 1) + (15a + 11) expressed in its simplest form?
murzikaleks [220]

The Answer is:

(5a2-3a+8)+(-4a2-1)+(15a+11)

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Three hikers equally share 1/2 gallon of water. Explain how you would use an area model to find the amount of water each hiker d
zlopas [31]

Answer:

1/6

Step-by-step explanation:

1/2 ÷ 3                 equation

1/2 ÷3/1                  flip

1/2 x 1/3                multiply

1/6                          Answer


8 0
3 years ago
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What would a 44% decrease of 13 be?
TEA [102]

Answer:

13

Step-by-step explanation:

p% = p 'out of one hundred',

p% is read p 'percent',

p% = p/100 = p ÷ 100.

44% = 44/100 = 44 ÷ 100 = 0.44.

100% = 100/100 = 100 ÷ 100 = 1.

Decrease number by 44% of its value.

Percentage decrease = 44% × 13

New value = 13 - Percentage decrease

6 0
3 years ago
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Jed wants to earn 25% annual net income on his $50,000 cash investment in property his annual expense of owning the property are
Elena L [17]

Answer: $1,842

Step-by-step explanation:

John wants to earn 25% of his investment of $50,000 which is:

= 25% * 50,000

= $12,500

He has expenses of $9,600 yearly so the rent he should charge per year in order to make his 25% requirement as income is:

= Expenses + Return

= 9,600 + 12,500

= $22,100

Rent per month is:

= 22,100 / 12

= $1,842

8 0
3 years ago
A candle is 9 inches long. Ronnie lights the candle and records the height of the candle, y inches, for x hours.​
DochEvi [55]

In the future, please post the full problem with all included instructions. After doing a quick internet search, I found your problem listed somewhere else. It mentions two parts (a) and (b)

Part (a) asked for the equation of the line in y = mx+b form

That would be y = -2x+9

This is because each time y goes down by 2, x goes up by 1. We have slope = rise/run = -2/1 = -2. This indicates that the height of the candle decreases by 2 inches per hour. The slope represents the rate of change.

The initial height of the candle is the y intercept b value. So we have m = -2 and b = 9 lead us from y = mx+b to y = -2x+9

----------------------------------------------------------------

Part (b) then asks you to graph the equation. Because this is a linear equation, it produces a straight line. We only need 2 points at minimum to graph any line. Let's plot (0,9) and (1,7) on the same xy grid. These two points are the first two rows of the table. Plot those two points and draw a straight line through them. The graph is below

7 0
2 years ago
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