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Iteru [2.4K]
3 years ago
5

You randomly draw a marble from a bag of marbles that contains 777 blue marbles, 222 green marbles, and 111 red marble. What is

\text{P(not draw a blue marble})P(not draw a blue marble)start text, P, left parenthesis, n, o, t, space, d, r, a, w, space, a, space, b, l, u, e, space, m, a, r, b, l, e, end text, right parenthesis?

Mathematics
2 answers:
Kazeer [188]3 years ago
7 0

Answer:

The probability of not drawing blue is 0.3

Step-by-step explanation:

The bag contain a total of:

Blue marbles + green marbles + red marbles

= 777 + 222 + 111

= 1110

We are to find the probability of not drawing a blue marble, if a blue marble is not drawn then the drawn marble is either green or red marbles

P(not draw blue) = p(draw green) + p(draw red)

P(not draw blue) = 222/1110 + 111/1110

P(not draw blue) = 333/1110

P(not draw blue) = 0.3

IgorC [24]3 years ago
5 0

Answer:

3/10

Step-by-step explanation:

Please see the attached file for explanation.

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Len [333]

Answer:

x=18, y= 6

Step-by-step explanation:

if x+y=24

x= 24- y

in second case

x= 3y

24_ y = 3y

24=4y

y= 6

hence x = 24 _6 = 18

5 0
2 years ago
Mr. and mrs.storey drive 3200 miles in all during their vacation. mr.storey drove 3 times as many miles as mrs.storey how many m
vaieri [72.5K]
This can be solve by establishing equations.
let x be the miles mrs. storey drove
y be the miles mr storey drovee
 
the first equation is
y = 3x

second equation
x + y = 3200
then substitute equation 1

x + 3x = 3200
4x = 3200
x = 800 miles mrs storey drove
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5 0
3 years ago
Add or subtract. Express in simplest form.<br> -4 1/3 +1 1/6
ratelena [41]
You would add because that is just how i thought of it
4 0
3 years ago
Rectangle $ABCD$ is the base of pyramid $PABCD$. If $AB = 8$, $BC = 4$, $\overline{PA}\perp \overline{AD}$, $\overline{PA}\perp
11Alexandr11 [23.1K]

Answer:

<h2>181.33</h2>

Step-by-step explanation:

Since the base of the pyramid PABCD is a rectangle, the shape in question is a rectangular based pyramid. Volume of a rectangular based pyramid is expressed as V = 1/3 * Base Area * Height of the pyramid.

Given a rectangle ABCD with AB = 8 and BC = 4, the area of the rectangle will be equivalent to the base area of the pyramid.

Base Area = Length * Breadth

Base Area = AB * BC

Base Area = 8*4 = 32

If \overline{PA}\perp \overline{AD}\ and \ \overline{PA}\perp \overline{AB}, and PB = 17, then the height of the pyramid is PB = 17.

Volume of the pyramid = 1/3 * 32 * 17

Volume of the pyramid = 1/3 * 544

Volume of the rectangular based pyramid = 181.33

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3 years ago
Solve using the method of elimination , determine if the system has 1 solution, no solutions, or infinite solutions
iren2701 [21]
Here is the work, the answer is no sol

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2 years ago
Read 2 more answers
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