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Gre4nikov [31]
3 years ago
6

Cindy was asked by her teacher to subtract 33 from a certain number and then divide the result by 99. ​Instead, she subtracted 9

9 and then divided the result by 33​, giving an answer of 3131. What would her answer have been if she had worked the problem​ correctly?
Mathematics
1 answer:
Ainat [17]3 years ago
6 0
You should get 1044.3 repeated
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.....................
Allisa [31]

Answer:

30

Step-by-step explanation:

We require to calculate the volume of 1 brick

V = lbh ( l is length, b is breadth and h is height ), that is

V = 14 × 8 × 5 = 560 cm³

Now divide the volume of concrete available by the volume of 1 brick.

number of bricks made = \frac{16800}{560} = 30

5 0
3 years ago
Pls answer fast pls pls
forsale [732]
<h3><u>Answer</u> :- </h3>

c) 0.01

<h3><u>Solution</u> :-</h3>

To Write percentage in decimal or fraction we divide it by 100

therefore,

\begin{gathered}\\\implies\quad \sf 2\% = \frac{2}{100} \\\end{gathered}

\begin{gathered}\\\implies\quad \sf 2\% = 0.02 \\\end{gathered}

Half of 0.02 = \sf\frac{1}{\cancel2} \times\cancel{0.02}

\implies\boxed {0.01}

5 0
2 years ago
Read 2 more answers
Solve through substitution<br><br> –3x–8y=20<br><br> y=5x+19<br><br> Point of intersection, please
Sedaia [141]

Answer:

(-4, -1)

Step-by-step explanation:

-3x - 8y = 20; y = 5x + 19

y = 5x + 19; -3x - 8y = 20

y = 5x + 19

-3x - 8y = 20

-3x - 8(5x + 19) = 20

-43x - 152 = 20

-43x - 152 + 152 = 20 + 152

-43x = 172

-43x / -43 = 172 / -43

x = -4

y = 5x + 19

y = (5)(-4) + 19

y = -1

4 0
2 years ago
Henry is staining the wooden floor of a court. The court is in the shape of a rectangle. Its length is 54 feet and its width is
tensa zangetsu [6.8K]

Answer:

Henry would need 12 cans to cover the court

Step-by-step explanation:

1: 30 times 54 = 1620

2: 1620 divided by 135 = 12

8 0
3 years ago
How can 5 - (+4) be rewritten?
lubasha [3.4K]
If you paid attention in math, you would know this lol jk.
But you would rewrite it as 5+4
3 0
3 years ago
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