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3 years ago

Which expression are equivalent 10

Mathematics

1 answer:

Nady [450]3 years ago

5 0

Answer:

I believe the answer to this question is: B.

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16x-5y=-33 solve the equation

LUCKY_DIMON [66]

16x - 5y = -33 First, you subtract 16x from both sides of the
-16x -16x equation
-5y = -16x -33 Next, you divide both sides of the equation by -5 to
-5 -5 make "y =" form
y = 16/5x + 33/5

3 0

3 years ago

What fraction of a given sample of radioactive nuclide remains after four half lives?

Black_prince [1.1K]

I believe the answer is D. 1/16.

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3 years ago

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Soo uh who's good at math i mean really,if you plz tell me everything about it i just wanna get this over with

ivolga24 [154]

Answer:

Your not dumb you probably just don't learn as fast as other people tell me what u need help on and ill try to explain it to u : )

Step-by-step explanation:

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3 years ago

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Who is robert walton

BartSMP [9]

P sure this is from Frankenstein but he's the one who drags Frankenstein out from the ice and saves him

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4.) A bag contains 10 red marbles and 5 blue marbles. You randomly select 3 marbles from the bag. What is

sesenic [268]

Answer:

a) 1/27

b) 2/91

Step-by-step explanation:

A bag contains 10 red marbles and 5 blue marbles (15 marbles in total). You randomly select 3 marbles from the bag.

a) You replace each marble before selecting the next one.

The probability of selecting one blue marble is

$\dfrac{5}{15}=\dfrac{1}{3},$

then the probability that all 3 marbles are blue is

$\dfrac{1}{3}\times \dfrac{1}{3}\times \dfrac{1}{3}=\dfrac{1}{27}$

b) You do not replace each marble before selecting the next one. Each time the number of blue marbles decreases by 1 and the total number of marbles decreases by 1 too. So the probability that all 3 marbles are blue is

$\dfrac{5}{15}\times \dfrac{4}{14}\times \dfrac{3}{13}=\dfrac{2}{91}$

7 0

3 years ago