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Vilka [71]
3 years ago
11

Find the missing number. show working. 13+?=15+1​

Mathematics
2 answers:
Molodets [167]3 years ago
8 0

Answer: 3

Step-by-step explanation:

13 + ? = 15 + 1

13 + ? = 16

-13 -13

? = 3

saw5 [17]3 years ago
7 0

13+2=15+1=16 that is the answer

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Factorise x(6x - 5y) - 4(6x - 5y)^2
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Answer:

(6x-5y)(20y-23x)

Step-by-step explanation:

x(6x - 5y) - 4(6x - 5y)^2

= (6x-5y)(x-4(6x-5y))

= (6x-5y)(x-24x+20y)

= (6x-5y)(20y-23x)

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What’s the common multiples for 12 and 30
jasenka [17]

Hi!

Factors of 12: 1, 2, 3, 4, 6, 12

Factors of 30: 1, 2, 3, 5, 6, 10, 30

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The answer to your question is 2/4 which is 1/2
8 0
3 years ago
Please help me, A candle is in the shape of a frustum (a cone with the top cut off). Calculate the volume of the candle to the n
MariettaO [177]

Answer:

Height = 8 cm

You will need this formula (see attached):

Volume = [PI * 8 * (2² + 2*4 + 4²)]  / 3

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Source: http://www.1728.org/volcone.htm

Step-by-step explanation:

3 0
2 years ago
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