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KatRina [158]
3 years ago
11

3/5 of a number is 30. What is the number? 10 20 es 18 15

Mathematics
1 answer:
S_A_V [24]3 years ago
4 0

Answer:

50

Step-by-step explanation:

\frac{3}{5}*x=30\\x=30*5/3=50

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Quadrilateral LMNO is a rectangle. Find MN.
Cloud [144]
(4x-1)=(5x-8)
x=7

4(7)-1= 27

5(7)-8= 27

So the answer is 27

<span>MN = 27</span>

3 0
4 years ago
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A cube has a surface area of 2646 cm squared what is its volume ​
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9261

Step-by-step explanation:

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3 years ago
What are m∠1 and m∠2?
tankabanditka [31]

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4 0
2 years ago
please smart people help me with math (it's asked to: Division into square trinomial multipliers (if possible))​
Citrus2011 [14]

Answer:

M. (4x-1) (x+4)

K. (3x-1)(2x-1)

L.(2x-7)(x+5)

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Sorry if it's wrong but that's what I got

7 0
3 years ago
João gosta muito de animais de estimação e de charadas. Certo dia um amigo perguntou-lhe quantos cachorros e quantos gatos ele t
anastassius [24]

Responda:

a) 3 e 4

Explicação passo a passo:

Deixei :

Número de cães = x

Número de gatos = y

2x + 3y = 17 - - - - (1)

x - y = 1 - - - - (2)

De (2)

x = 1 + y

Coloque em (1)

2 (1 + y) + 3y = 17

2 + 2y + 3y = 17

2 + 5y = 17

5y = 17 - 2

5y = 15

y = 15/5

y = 3

x = 1 + y

x = 1 + 3

x = 4

Número de cães = x = 4

Número de gatos = y = 3

3 0
3 years ago
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