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lisabon 2012 [21]
2 years ago
7

rac{3}{9} = \frac{?}{3} " alt=" \frac{3}{9} = \frac{?}{3} " align="absmiddle" class="latex-formula">


What's the missing number ​
Mathematics
2 answers:
kirill115 [55]2 years ago
7 0

3/9 = □/3

Do cross multiplication.

3/9 = □/3

3 × 3 = 9 × □

9 = 9 × □

9/9 = □

1 = □

◇ The missing number (□) is 1.

______

Hope it helps ⚜

Hitman42 [59]2 years ago
6 0

<u>Answer:</u>

  • The missing number is 1.

<u>Step-by-step explanation:</u>

  • \frac{3}{9}  = \frac{x}{3}
  • Now, in this equation, we can see that 3/9 needs to be simplified. Let's simplify it.
  • => \frac{3}{9} = \frac{1}{3}
  • Our new equation is: \frac{1}{3} = \frac{x}{3}
  • => x = 1

<u>Conclusion: </u>

Therefore, the missing number is 1.

Hoped this helped.

BrainiacUser1357

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Answer:

Step-by-step explanation:

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3 years ago
Red and grey bricks were used to build a decorative wall. The number of red bricks and grey bricks was 5/2. There were 140 brick
ozzi

Answer:

100 red bricks

Step-by-step explanation:

Let's say red bricks is equal to 5x

Gray bricks is equal to 2x

We have an equation

2x + 5x = 140

= 7x = 140

Divide through by 7 to get the value of x

X = 140/7

X = 20

Red bricks = 5(x)

= 5(20)

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Gray bricks = 2(x)

= 2(20)

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Therefore in conclusion the number of red bricks is 100.

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SashulF [63]

Answer:

(16a + 6b) (2x - 3y)      

Step-by-step explanation:

32ax + 12bx - 48ay - 18by

(32ax - 48ay) + (12bx - 18by)

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Answer:

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Median = 32

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Step-by-step explanation:

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Hope this helps.

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3 years ago
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