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olchik [2.2K]
3 years ago
14

It's order of operations

Mathematics
1 answer:
denis23 [38]3 years ago
8 0
12 is the answer I'm sorry if I wrong.
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A construction worker is tasked with tiling two square rooms, room A and room B. Room B has side lengths that are double the sid
swat32

Answer:

<u><em>4 boxes of tiles.</em></u>

Step-by-step explanation:

Both rooms are square, so each has equal sides.  Let's set a side to room A as x.  It's area would be x^2.  Room B has sides = 2x, so it's area would be (2x)^2 or 4x^2.  The ratio of the areas B/A = 4x^2/x^2.  B/A = 4.

Room B has 4 times the area of A.  If one box of tile completes Room A, Room B would need four times that amount, or 4 boxes.

4 0
3 years ago
Which relationship between x and y in the equation shows a proportional relationship?
seraphim [82]
It is A. Let me know if the answer is correct! :)

7 0
3 years ago
a rectangular lawn has an area of a^3 - 125. use the difference of cubes to find out the dimensions of the rectangle.
ANEK [815]

The area of a rectangle is the product of its dimensions

The dimensions of the rectangle are: \mathbf{Length = a -5} and \mathbf{Width = a^2 + 5a + 25}

The area is given as:

\mathbf{Area = a^3 - 125}

Express 125 as 5^3

\mathbf{Area = a^3 - 5^3}

Apply difference of cubes

\mathbf{Area = (a - 5)(a^2 + 5a + 5^2)}

\mathbf{Area = (a - 5)(a^2 + 5a + 25)}

The area of a rectangle is:

\mathbf{Area = Length \times Width}

So, by comparison:

\mathbf{Length = a -5}

\mathbf{Width = a^2 + 5a + 25}

Read more about areas at:

brainly.com/question/3518080

6 0
2 years ago
Eva and Maria went shopping together. Eva spent $20 more than Maria. Together they spent $209.84. Write and solve an equation to
Ne4ueva [31]

equation:

x + x+20 = 209.84

x + x= 189.84

2x= 189.84

x= 94.92

maria spent $94.92

eva spent $114.92

3 0
3 years ago
For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Write an equation for the cost, C, after h hours of babysitt
Alexeev081 [22]
C = 5h + 3
C = 5(5) + 3
She will make $28
4 0
3 years ago
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