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coldgirl [10]
3 years ago
11

Enter an equation in point-slope form for the line.

Mathematics
1 answer:
MissTica3 years ago
6 0

Answer:

y+1=4(x+2)

Step-by-step explanation:

Hi there!

Point-slope form: y-y_1=m(x-x_1) where m is the slope and (x₁,y₁) is the given point

y-y_1=m(x-x_1)

Plug in the slope and the point

y-(-1)=4(x-(-2))\\y+1=4(x+2)

I hope this helps!

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cavalieri's principle states that two solids with equal height and base areas but different cross-sectional areas have equal vol
Ad libitum [116K]

Answer:

Option B False

Step-by-step explanation:

we know that

The <u>Cavalieri's principle</u> states that if two or more figures have the same cross-sectional area at every level and the same height, then the figures have the same volume

therefore

The cross-sectional area at every level must be the same

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5 0
2 years ago
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"the life length x (in years) of a dvd player" is exponentially distributed with mean 5 years. what is the probability that a mo
loris [4]
The exponential distribution is:
\lambda e^{- \lambda x}
where \lambda = \frac{1}{mean}=\frac{1}{5}

The probability we want is how likely will a dvd player last more than 8 years, given it has already lasted 5 years
To find this, you use conditional probability.
P(A|B) = \frac{P(A and B)}{P(B)}
where A is P(x>8) and B is P(x>5)
To find these probabilities, integrate over the distribution:
P(x \ \textgreater \ N) = \int_N^{\infty} \frac{1}{5} e^{-x/5} dx = e^{-N/5}

Sub into conditional probability formula:

P(x \ \textgreater \ 8 | x\ \textgreater \ 5) = \frac{P(x\ \textgreater \ 8)}{P(x\ \textgreater \ 5)} = \frac{e^{-8/5}}{e^{-5/5}} = e^{-3/5} = 0.549

Final Answer: Given a dvd player is more than 5 years old, the probability that it will last another 3 more years is about 54.9%
3 0
3 years ago
How do you solve -1/12 - (-11/12)
valentinak56 [21]

-1/12 - (-11/12) would change into -1/12 + 11/12 because a double negative (bold print) would become a positive. The answer to the new problem would be 10/12 or 5/6 (depending on if it says to simplify).

7 0
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JulijaS [17]

Answer:

(1,-3)

Step-by-step explanation:

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2 years ago
How is it the answer written out<br> for this homework problem. 308 is the same as what?
murzikaleks [220]

Answer: 308 Winchester cartridge case and the 7.62 NATO (7.62 x 51 mm) are the same thing.

Step-by-step explanation: Im not sure what your talking about, but this would be my answer.

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2 years ago
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