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Cloud [144]
3 years ago
7

Factor 4g^2+ 12g + 9

Mathematics
1 answer:
bija089 [108]3 years ago
6 0

Answer:

(2g+3)^2

Step-by-step explanation:

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X=b+my solve for M literal equation
Oliga [24]

Answer:

m = \frac{x-b}{y}

Step-by-step explanation:

Given

x = b + my ( subtract b from both sides )

x - b = my ( divide both sides by y )

\frac{x-b}{y} = m

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Mrs. Martinez had $150.55 in her checking account. She wrote checks for the following amounts: $45.76, $35.00, and $79.82. What
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160.58

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Based on the family the graph below belongs to, which equation could represent the graph?
Ostrovityanka [42]

Answer:

Equation 1 is the equation which represents the graph.

Step-by-step explanation:

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2 years ago
Somebody help me out please
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Answer:

D

Step-by-step explanation:

7 0
2 years ago
In a random sample of 45 newborn babies, what is the probability that 40% or fewer of the sample are boys. (Use 3 decimal places
erastova [34]

Answer:

z= \frac{p- \mu_p}{\sigma_p}

And the z score for 0.4 is

z = \frac{0.4-0.4}{\sigma_p} = 0

And then the probability desired would be:

P(p

Step-by-step explanation:

The normal approximation for this case is satisfied since the value for p is near to 0.5 and the sample size is large enough, and we have:

np = 45*0.4= 18 >10

n(1-p) = 45*0.6= 27 >10

For this case we can assume that the population proportion have the following distribution  

p \sim N(p,\sqrt{\frac{p(1-p)}{n}})

Where:

\mu_{p}= \hat p = 0.4

\sigma_p = \sqrt{\frac{p(1-p)}(n} =\sqrt{\frac{0.4(1-0.4)}(45}= 0.0703

And we want to find this probability:

P(p

And we can use the z score formula given by:

z= \frac{p- \mu_p}{\sigma_p}

And the z score for 0.4 is

z = \frac{0.4-0.4}{\sigma_p} = 0

And then the probability desired would be:

P(p

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3 years ago
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