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Firdavs [7]
3 years ago
10

What is (2a-1)(8a-5)

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0

Answer:

16a^{2} - 18a + 5

Step-by-step explanation:

1) Use the grid method to expand the two brackets

2) Collect like terms

3) Form the statement!

(See attached image)

Download pdf
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X elevado a 2 -5x+6 algebra
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I hope this helps you




x^2-5x+6


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According to the histogram, how many students live between 2 and 2.9 miles
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b

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"A consultant compiled the following data set that shows" the number of visits made to the National Museum of American History f
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The best option is for the consultant to remove these data points because they are outliers.  Unusual data points which are located far from rest of the data points are known as outliers.

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4 years ago
Is -3 greater or less than -5
OleMash [197]

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3 years ago
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In 2005, 0.76% of all airline flights were on-time. If we choose a simple random sample of 2000 flights, find the probability th
marissa [1.9K]

Answer:

Step-by-step explanation:

Here X no of flight that reach on time has two outcomes only and each trial is independent of the other.

Since sample size is large we approximate to normal with mean =np and variance =npq

i.e. X is N(152,19.10)

Z=\frac{x-152}{19.1} is used for converting to std normal variate

Continuity correction of 0.5 on either side of interval would be applied for x

a) P(X\geq 79%) = P(X\geq 1580)\\=P(X\geq 1579.5)\\=P(Z\geq 3.12)

=0.00

b)P(X\leq 1580)\\=P(X\leq 1580.5)\\=P(Z\leq 3.17)\\==1.00

c) p is N(0.76, sqrtpq/n)=N(0.76,0.0095)

P(p diff>0.03) =

P(Z>\frac{0.03}{0.0095} \\=P(Z>3.16)=0.00

7 0
4 years ago
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