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Mariulka [41]
3 years ago
8

The local hardware store has blue buckets that hold 2 gallons of water and white buckets that hold 5 gallons of water. You bough

t 7 buckets that can hold 26 gallons of water. How many buckets of each color were purchased?
Mathematics
2 answers:
Novosadov [1.4K]3 years ago
8 0

Answer: 3 blue buckets and 4 white buckets were purchased.

Step-by-step explanation:

Let x represent the number of blue buckets that were purchased.

Let y represent the number of white buckets that were purchased.

The local hardware store has blue buckets that hold 2 gallons of water and white buckets that hold 5 gallons of water. The buckets that you bought can hold 26 gallons of water. This means that

2x + 5y = 26 - - - - - - - - - - - - -1

The number of buckets that you bought is 7. This means that

x + y = 7

Substituting x = 7 - y into equation 1, it becomes

2(7 - y) + 5y = 26

14 - 2y + 5y = 26

- 2y + 5y = 26 - 14

3y = 12

y = 12/3

y = 4

x = 7 - y = 7 - 4

x = 3

Katarina [22]3 years ago
5 0

Answer:

4 White, 3 Blue

Step-by-step explanation:

5w+2b=26

Closest five multiple that leaves an even remainder is 4.

5×4=20

26-20=6÷2=3

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Put the steps in order. *
Readme [11.4K]

Answer:

The answer is 3 , 1 , 2 .

Step-by-step explanation:

I will give an example.

e.g.

x² + 3x + 2

Step 3 :

Set the equation equal to zero :

x² + 3x + 2 = 0

Step 1 :

Completely factor the equation :

x² + x + 2x + 2 = 0

x(x+1) + 2(x+1) = 0

(x+2)(x+1) = 0

Step 2 :

Set each factor equal zero and then solve for the variable :

(x+2)(x+1) = 0

x + 2 = 0

x = -2

x + 1 = 0

x = -1

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2 years ago
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Klio2033 [76]

Answer:

He paid 80 at the start, so his starting must have been 80

Step-by-step explanation:

80+40=120...

so either 0, or 80 because he owed nothing, or he owed the 80, then the 40 for medication

I hope this helps!

8 0
2 years ago
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Write an equation for the vertical line that contains point E(-12, 7). Is anybody able to help?
BigorU [14]

Answer:

x = -12

Step-by-step explanation:

Vertical lines take the form of x = something and horizontal lines take the form of y = something

Why is this? Notice that whenever you make a horizontal line on a graph and select virtually any point that's on that line, all of the points you pick will have the same y value. Try to imagine the same thing with a vertical line, are the results the same?

So the line x = -12 (we got -12 from the coordinate that was given to us on the question prompt) is a vertical line that passes through virtually all possible y values (from positive infinity to negative infinity, or vice-versa) which means that the question prompt having given us the y value was negligible.

Good luck!

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aniked [119]
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Sandy asked a printing company to enlarge a drawing to 130% of its original size. If the width of the original drawing was 37 ce
insens350 [35]
48.1 cm 

130% = 1.3
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2 years ago
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