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3 years ago

How to factor a trinomial

Mathematics

2 answers:

Naddika [18.5K]3 years ago

8 0

You have to do the diamond method

Masja [62]3 years ago

6 0

You have to do the diamond method
Example
X^2-5x+6
a×c

b
6
-2 -3
-5

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Can someone help me with this?

faltersainse [42]

Answer:

I think it's graph 2 hope that helps

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1 year ago

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A circular pond has a diameter of 4.5 feet.Which is closest to the circumference of the pond

Snowcat [4.5K]

Circumference = πD

Circumference of the pond = π(4.5) = 14.14 ft (nearest hundredth)

Answer: 14.14 ft

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2 years ago

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Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is 13.4 years with a s

Aliun [14]

Answer : 0.0129

Step-by-step explanation:

Given : Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is $\mu=13.4$ years and standard deviation is $\sigma=1.7$ years.

Sample size : $n=40$

Let X be the random variable that represents the age of fleets.

We assume that the ages of the fleets of the 10 largest U.S. commercial passenger carriers are normally distributed.

For z-score,

$z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

For x=14

$z=\dfrac{14-13.4}{\dfrac{1.7}{\sqrt{40}}}\approx2.23$

By using the standard normal distribution table , the probability that the average age of these 40 airplanes is at least 14 years old will be :-

$P(x\geq 14)=P(z\geq2.23)\\\\=1-P(z$

Hence, the required probability = 0.0129

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2 years ago

Help meeeeeeeeeeeeeeeeeee <br><br> >_

nignag [31]

Answer:

good news, the second one is relatively easy because it can be factored to (2x+1)(2x-3) which means that number two has solutions of -1/2 and 3/2

but for number one you have to either use the quadratic equation cause I've tried using synthetic division or just use the second equation to derive the first solutions so I tried move the graph up by two units and found that the intercepts are approximately (1+-√2)/2 or 1/2+-1/√2 for 4x^2-4x-1

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2 years ago

The weight of a product is normally distributed with a mean of four ounces and a variance of .25 "squared ounces." The company w

pychu [463]

Answer:

Weight=2.835

Step-by-step explanation:

See the attached picture for explanation.

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2 years ago