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3 years ago

X^3-x^2-4x factor completely

Mathematics

2 answers:

vitfil [10]3 years ago

5 0

Answer:

Cannot be factored further

Step-by-step explanation:

$x^{3} -x^{2}-4x=x(x^{2}-x-4 ) \\$

kenny6666 [7]3 years ago

5 0

Answer:

x(x^2-x-4)

Step-by-step explanation:

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Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without r

aliina [53]

Answer:

Probability of a prime number = 2/5.

Probability of last number being odd = 3/5.

Step-by-step explanation:

There are 2 prime numbers (5 and 7) in the 5 numbers ( 5, 6, 7, 8, 9).

So Prob(Prime number being first) = 2/5.

There are 3 odd numbers and 2 even so:

Possible combinations of Odd (O) and Even (E) numbers with last number being Odd are:

OOO, EEO, OEO or EOO.

Prob (OOO) = 3/5 * 1/2 * 1/3 = 3/30 = 1/10.

Prob(EEO) = 2/5 * 1/4 = 1/10.

Prob(OEO) = 3/5 * 1/2* 2/3 = 6/30 = 1/5.

Prob(EOO) = 2/5 * 3/4 * 2/3 = 12/60 = 1/5.

Therefore the probability of the last number being odd =

1/10 + 1/10 + 1/5 + 1/5

= 3/5 (answer).

6 0

3 years ago

What is sin 0 when cot 0 = {?

Alekssandra [29.7K]

9514 1404 393

Answer:

(√6)/3

Step-by-step explanation:

The relation between cot(x) and sin(x) is ...

sin(x) = 1/√(cot(x)^2 +1)

Filling in the given value, we have ...

$\displaystyle\sin{\theta}=\frac{1}{\sqrt{\left(\frac{\sqrt{2}}{2}\right)^2+1}}=\sqrt{\frac{2}{3}}\\\\\boxed{\sin{\theta}=\frac{\sqrt{6}}{3}}$

5 0

3 years ago

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DeAndre is 15 miles into a 51-mile backpacking trip in the wilderness. DeAndre can hike 9 miles per day. How many more days does

liubo4ka [24]

Answer:

Step-by-step explanation:

miles left to travel=51-15=36

more days required=36/9=4 days.

3 0

4 years ago

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Erin stores her photos in a box like the one shown. Use the numbers and symbols on the tiles to write a formula that represents

nignag [31]

The formula for the volume of a rectangular prism is

V=l*w*h

So in this case it would look like

V=9*10*4

Now lets solve it

V=360in³

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3 years ago

What is n+ 4.5 - 0.3n-3

Aleks [24]

1. Collect like terms

(n-0.3n)+(4.5-3)

2. Simplify

0.7n + 1.5

Final Answer:

0.7n + 1.5

4 0

4 years ago