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3 years ago

When the factors of a trinomial are (x - p) and (x - q) then the constant term of the trinomial is:

Mathematics

2 answers:

romanna [79]3 years ago

7 0

Answer:B

Step-by-step explanation:parentheses call for mulitplication

padilas [110]3 years ago

4 0

Its the product of -p and -q

that is b.

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Normal Distribution. Cherry trees in a certain orchard have heights that are normally distributed with mu = 112 inches and sigma

Lubov Fominskaja [6]

Answer:

The probability that a randomly chosen tree is greater than 140 inches is 0.0228.

Step-by-step explanation:

Given : Cherry trees in a certain orchard have heights that are normally distributed with $\mu = 112$ inches and $\sigma = 14$ inches.

To find : What is the probability that a randomly chosen tree is greater than 140 inches?

Solution :

Mean - $\mu = 112$ inches

Standard deviation - $\sigma = 14$ inches

The z-score formula is given by, $Z=\frac{x-\mu}{\sigma}$

Now,

$P(X>140)=P(\frac{x-\mu}{\sigma}>\frac{140-\mu}{\sigma})$

$P(X>140)=P(Z>\frac{140-112}{14})$

$P(X>140)=P(Z>\frac{28}{14})$

$P(X>140)=P(Z>2)$

$P(X>140)=1-P(Z$

The Z-score value we get is from the Z-table,

$P(X>140)=1-0.9772$

$P(X>140)=0.0228$

Therefore, the probability that a randomly chosen tree is greater than 140 inches is 0.0228.

5 0

4 years ago

P = 2L + 2W; for L NEED HELP PLEASE

Orlov [11]

L=(P-2W)/2 HOPE I HELPED YA :)

3 0

3 years ago

HELP 20 POINTS..... roline bought 20 shares of stock at 101/2, and after 10 months the value of the stocks was 111/4. If Carolin

zhuklara [117]

I believe the answer is:

D. $15

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3 years ago

Which decimal is closest in value to 9/20

yan [13]

Answer:

0.45

Step-by-step explanation:

9/20 is the same as 0.45

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3 years ago

Read 2 more answers

Not sure need help

lord [1]

Answer:

Step-by-step explanation:

3-2i+8=23

5+2i+23

2i=18

i=-9

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3 years ago