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3 years ago

You go to a party which has 1000 guests (including you)., probability that at least 2 have the same birthday as you

Mathematics

1 answer:

agasfer [191]3 years ago

3 0

The probability is 0.7584.

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(−t 4 −5t 3 −10t 2 )+(9t 3 +3t 2 −1)

klemol [59]

Answer:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

Step-by-step explanation:

Given the expression

$\left(-t^4\:-5t^3\:-10t^2\:\right)+\left(9t^3\:+3t^2\:-1\right)$

Remove parentheses: (a)=a

$=-t^4-5t^3-10t^2+9t^3+3t^2-1$

Group like terms

$=-t^4-5t^3+9t^3-10t^2+3t^2-1$

Add similar elements

$=-t^4-5t^3+9t^3-7t^2-1$ ∵ $-10t^2+3t^2=-7t^2$

Add similar elements

$=-t^4+4t^3-7t^2-1$ ∵ $-5t^3+9t^3=4t^3$

Thus, the equivalent expression in simplified form:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

4 0

3 years ago

How much would it cost to buy a piece of candy for 50 cents plus tax

gtnhenbr [62]

Answer:

it depends on which state your in or in your even in the us usually it is either 6% or 4% some times more or less % so im going to do both

50*0.06=53

50*0.04=52

Hope This Helps!!!

5 0

1 year ago

I need help on this question

r-ruslan [8.4K]

A full circle has 360 degrees so a semi circle or half circle has half the amount f degrees

a semi circle has 180 degrees

:))))

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3 years ago

7. What is a metaphor? *

Vesnalui [34]

Answer: A

Step-by-step explanation: B is a simile, D isn't true, and C doesn't exist (there is no type of figurative language that means that). I hope this helps you out!

4 0

3 years ago

Round the decimal 7.16 ?

Phoenix [80]

Answer:

7(nearest whole number)

7.2(1 decimal place)

8 0

3 years ago

Read 2 more answers