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3 years ago

9

An aquarium holds 12 liters of water. How many aquariums can we fill with 48 liters of water? Include fractions of aquariums, if

applicable.( this is free stuff )

1 answer:

MrRissso [65]3 years ago

4 0

Answer:

4 aquariums

Step-by-step explanation:

48 divided by 12=4

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you take a group of 20 people going to the movies. kids’ tickets cost $4 each, and adults tickets $6 each. your total cost is $9

brilliants [131]

The number of kids in your group is 12.

Step-by-step explanation:

Given,

Number of people = 20

Cost of each kid ticket = $4

Cost of each adult ticket = $6

Total spent = $96

Let,

x be the number of kids ticket

y be the number of adult ticket

According to given statement;

x+y=20 Eqn 1

4x+6y=96 Eqn 2

Multiplying Eqn 1 by 4

$4(x+y=20)\\4x+4y=80\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(4x+6y)-(4x+4y)=96-80\\4x+6y-4x-4y=16\\2y=16$

Dividing both sides by 2

$\frac{2y}{2}=\frac{16}{2}\\y=8$

Putting y=8 in Eqn 1

$x+8=20\\x=20-8\\x=12$

The number of kids in your group is 12.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

5 0

3 years ago

Markup = original cost × percentage markup

Svetradugi [14.3K]

B) $480

8,000*.06= 480

3 0

3 years ago

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Describe, in words, the solution set for the following equation.<br><br> 3x+3=3+3x

juin [17]

Answer:

Infinite Answers

Step-by-step explanation:

You subtract 3x from both side which leaves you with 3=3, which leaves you to conclude there are infinite answers to this equation.

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3 years ago

-u≥4−u≥4 true. Then write an equalivalent inequality, in terms of uu. (Numbers written in order from least to greatest going acr

ziro4ka [17]

Answer:

$(a)\ u \le -4$

$(b)\ u =\{-\infty,.....,-6,-5,-4\}$

Step-by-step explanation:

Given

$-u \ge 4$

Solving (a): An equivalent inequality

We have:

$-u \ge 4$

Multiply both sides by -1 (this changes the inequality)

$-u*-1 \le 4 * -1$

$u \le -4$

Solving (b): Values of u from least to greatest

$u \le -4$ implies that u ends at -4, starting from negative infinity

So, the list is:

$u =\{-\infty,.....,-6,-5,-4\}$

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3 years ago

What is the value of x in the equation 7(4x+1)-3x=5x-13

skelet666 [1.2K]

Answer:

in this equation, x = -1

Step-by-step explanation:

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4 years ago

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