3 years ago

Factored completely, the expression 6x - x^3 - x^2 is equivalent to

Mathematics

1 answer:

Anni [7]3 years ago

4 0

Answer:

( x - 2 ) ( x + 3 )

Step-by-step explanation:

-x³ - x² + 6x

x² + x - 6

( x - 2 ) ( x + 3 )

x = -3,2

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180kg, 250kg, 200kg, 209kg, 195kg, 205kg, 190kg, 188kg, 192kg. What is the IQR of the lion's weights.

velikii [3]

Answer:

Step-by-step explanation:

Given the data:

180kg, 250kg, 200kg, 209kg, 195kg, 205kg, 190kg, 188kg, 192kg

The interquartile range (IQR) = Q3 - Q1

Reordering the data:

180, 188, 190, 192, 195, 200, 205, 209, 250

Q3 = 3/4(n+1)th term

Q3 = 3/4(10) = 7.5 th term = (205+209)/2 = 207

Q1 = 1/4(n+1)th term

Q1 = 1/4(10) = 2.5th term = (188+190)/2 = 189

Q3 - Q1 = 207 - 189 = 18

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3 years ago

Meg invested $16,000 in a savings account . If the interest rate is 6% per year, how much will be in the account in 5 years for

Georgia [21]

Answer: $21,581.60

Step-by-step explanation:

Yep

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3 years ago

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vfiekz [6]

$6.90 divided by 3 is $2.30 which is the unit rate and if you multiply $2.30 by 10 you get $23

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3 years ago

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2 years ago

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Luke misses 4% of the free throws he attempts in a season. How many total free throws did he attempt if he missed 54?

Firlakuza [10]

Answer:

We are given the following variables:

p = probability of success / probability to shoot a free throw shot = 0.74

q = probability of failure = 1 – p = 0.26

n = number of samples / number of free throws = 8

We can solve for the average free throws he or she can make in the game using the formula:

average = n * p

average = 8 * 0.74

average = 5.92

round off:

average = 6 free throw shots

We can solve for the variance using the formula:

variance = n * p * q

variance = 8 * 0.74 * 0.26

variance = 1.5392

round off:

variance = 1.54 free throw shots

Step-by-step explanation:

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3 years ago