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GenaCL600 [577]
3 years ago
7

A bag contains 6 red balls, 4 green balls, and 3 blue balls. If we choose a ball, then another ball without putting the first on

e back in the bag, what is the probability that the first ball will be green and the second will be red?
Mathematics
1 answer:
jenyasd209 [6]3 years ago
7 0

Answer:

2/13

Step-by-step explanation:

There are 6 + 4 + 3 = 13 balls all together.

If the first one is green, this will happen with a probability of 4/13. Now there are 12 balls left

There are 6 red balls. 6/12 = 1/2

The probability of the way this happens is 1/2 * 4/13 = 2/13

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Pls help ASAP and pls explain someone:)
Ivahew [28]
So we know the slope has to be -3 and the y intercept is 2. y intercept looks like (0,2). since we know this we automatically can rule out B since it has (0,0).

let’s find the slope of A
-9- -5
-3- - 1
the slope= -4/-2= 2
we know it’s not A because the slope is not -3

let’s find the slope of C
-17- -8
-5- -2
slope= -9/-3=3
we know it’s not C because the slope is not -3. we could directly assume that D is the answer no but we’ll still find the slope just to be sure

let’s find the slope of D
14-8
-4- -2
slope=6/-2= -3

the answer is D!!

8 0
3 years ago
Read 2 more answers
Hi. I need some help on 15 and 16! Thank you!
Alenkinab [10]

Answer:

MN = 34, x = 7

Step-by-step explanation:

look at the file, cut off numbers are:

37

37

36

7 0
3 years ago
Which of the following sets of lengths could not be the side lengths of a triangle?
docker41 [41]
To find out if the three side lengths can create a triangle, the three smaller lengths must be greater than the longer length.

\bf~Option~A

\sf~3~meters,5~meters,7~meters

\sf3+5=8>7

So this can create a triangle.

\bf~Option~B

\sf1~yard,1.25~yards,1.5~yards

\sf1+1.25=2.25>1.5

So this can create a triangle.

\bf~Option~C

\sf5~inches,10.5~inches,17~inches

\boxed{\sf5+10.5=15.5

So this cannot create a triangle.

\bf~Option~D

\sf15~millimeters,18~millimeters,30~millimeters

\sf15+18=33>30

So this can create a triangle.

Therefore, your answer is Option C.
8 0
3 years ago
a closed circular water tank in a subdivision is made up of concreate aluminum. its outer diameter is 8.4 m and its height is 12
m_a_m_a [10]

Answer:

122.7792 sq. m

Step-by-step explanation:

diameter= 8.4 m

therefore, radius = r = 4.2 m.......( as radius is 1/2 of diameter)

height = h= 12 m

only the exterior is to painted so the total surface area of the cylinder is taken,

total surface area of cylinder = 2π r( h+r)

=2* 3.14* 4.2*(12+4.2)

=122.7792 sq. m

5 0
3 years ago
What is the equation of the line that passes through the points (-8,4) and (-8,8)?
ivann1987 [24]

Answer:

x = -8

Step-by-step explanation:

This line has no slope it increases vertically and there is no change in x value as the y value changes

8 0
3 years ago
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