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makvit [3.9K]
3 years ago
8

12 out of 15 students play in the school band. In a class of 45 students, how many do NOT play in the band? |​

Mathematics
1 answer:
jek_recluse [69]3 years ago
3 0

Answer:36

becuse if you maltiply 15 by 3 it makes 45 and you can maltiply 12 by 3 and you will get your answer

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Answer:

(x+5) and (x-7).

Step-by-step explanation:

The given equation is :

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So,

x^2-2x-35=x^2-7x+5x-35\\\\=x(x-7)+5(x-7)\\\\=(x+5)(x-7)

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Which division sentence is related to the product of a/3 (a/3) when A is not equal to 0?
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Answer:

Option 4.

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3 0
3 years ago
Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation of 0.07 g. If a vend
Black_prince [1.1K]

Answer:

0.98046

Step-by-step explanation:

Given:

  • μ = 5.67
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Here we are required to find

P(5.48 <X<5.82) and between 5.48 and 5.82 we each z-score given by

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So 5.48 we have z = -2.714  and 5.82 we have  z = 2.143

Therefore we have the area of interest on the normal distribution chart given by :

P( -2,714 < z < 2.143)

= 1 - P(Z<-2.714) + P(Z >  2.143)

= 1 - P(Z<-2.714) + (1 - P(Z <  2.143))

= 1 - 0.00336 + 1 - 0.98382

= 1 - 0.01954 = 0.98046

6 0
3 years ago
Read 2 more answers
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