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Alina [70]
3 years ago
7

Simplify ( 3x + 3 )^2

Mathematics
2 answers:
bija089 [108]3 years ago
4 0

Answer:

9x^2 + 18x + 9

Step-by-step explanation:

(3x+3)(3x+3)

9x^2 + 9x + 9x + 9

9x^2 + 18x + 9

Ksivusya [100]3 years ago
3 0

Answer:

( 3 + 3 ) 2

Step-by-step explanation:

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Lloyd's Cereal company packages cereal in 1 pound boxes (16 ounces). A sample of 36 boxes is selected at random from the product
Reptile [31]

Answer: 0.0304

Step-by-step explanation:

A z-test is a statistical test that is used to determine if two population means are different when the variances are known and the sample size is large. The test statistic is assumed to have a normal distribution, and nuisance parameters such as standard deviation should be known in order for an accurate z-test to be performed.

A z-statistic, also known as z-score, is a number representing how many standard deviations above or below the mean population a score derived from a z-test is.

Therefore,

sample size,n = 36

mean,u = 16 ounce

standard deviation,s = 0.2 pounds = 3.2 ounce

x = 15 ounce

z = (x-u) / (s/sqrt(n)) = -1.875

In conclusion, the probability that the amount dispensed by box will be increased is:

P(X<15) = P(Z<-1.875)

= 1 - P(Z<1.875)

= 1 - 0.9696

0.0304

The Answer is 0.0304.

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3 years ago
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Harlamova29_29 [7]

Answer:

A= 14 B=17 C=20 D=26

Step-by-step explanation:

Not 100% sure this is what you needed but this is my try.

6 0
3 years ago
I need help like now !!
Kazeer [188]

Answer:

5

Step-by-step explanation:

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3 years ago
a farm, in the shape of an isosceles trapezoid, is putting up fences on its diagonals. If 1 fence has sixteen 9 - foot segments,
iragen [17]

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18

Step-by-step explanation:

16 × 9 = 8 × x

x = 18

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What property is illustrated by 5*6=6*5
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The commutative property 
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