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andrew11 [14]
3 years ago
13

Please answer giving BRAINLIEST

Mathematics
1 answer:
Andreas93 [3]3 years ago
7 0

Answer:

x=7

Step-by-step explanation:

You

Have

X-ray

Vision

YhXr

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What the answer to this it pre algebra Order operation
olga55 [171]

PEMDAS

parenthesis

exponents

multiplication

division

addition

subtraction

9-7-6/6

first 6/6=1

9-7-1

9-7=2

2-1=1

answer is 1

5 0
3 years ago
Solve for j: j + j / 2 + J + 5 = 45
Georgia [21]

Answer:

j:5j/2+5=45 Or j=16 how you put it was a little confusing

5 0
2 years ago
"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
4. Which property is illustrated by the statement? 8(-5/6)=(-5/6)8
SCORPION-xisa [38]
4. is B
and 5. is also B
7 0
3 years ago
Read 2 more answers
Solve. 3/ k+3 = 8/ k-2<br> A.) k= -1<br> B.) k= 1<br> C.) k= -6<br> D.) k= 6
Brut [27]
3/k+3=8/k-2
butterfly (multiply 8 and k+3) and (multiply 3 and k-2) and set them = to eachother
8 (k+3)=3 (k-2)
distribute
8k+24=3k-6
-3k both sides
5k+24=-6
-24 both sides
5k=-30
÷5 both sides
k=-6
6 0
2 years ago
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