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Pachacha [2.7K]
3 years ago
13

From a bag of 5 red and 6 green marbles, a red marble is drawn and not replaced. Then a green marble is drawn what is the probab

ility
Mathematics
1 answer:
ryzh [129]3 years ago
5 0

Answer:

3/5

Step-by-step explanation:

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The graph shows the amount of water that remains in a barrel after it begins to leak. The variable x represents the number of da
Taya2010 [7]

Answer:

a

Step-by-step explanation:

a

6 0
2 years ago
Read 2 more answers
Make b the subject of the formula <br><img src="https://tex.z-dn.net/?f=k%20%3D%20%20%5Cfrac%7Bbrt%7D%7Bv%20-%20b%7D%20" id="Tex
balu736 [363]

Answer:

b = \frac{kv}{k+rt}

Step-by-step explanation:

Given

k = \frac{brt}{v-b} ← multiply both sides by (v - b)

k(v - b) = brt ← distribute left side

kv - kb = brt ( subtract brt from both sides )

kv - kb - brt = 0 ( subtract kv from both sides )

- kb - brt = - kv ( multiply through by - 1 to clear the negatives )

kb + brt = kv ← factor out b from each term on the left

b(k + rt ) = kv ← divide both sides by (k + rt )

b = \frac{kv}{k+rt}

5 0
3 years ago
10 men can do the work in 8 days. how many men should be reduced to finish the work in 10 days​
e-lub [12.9K]

If Reducing 2 men will bbe enough too finish the work in 10 days

For rate of work use the formualar

rate of work = quantity of work / duration

10 men can do the work at a rate of  =  1 / 8

x men can do same work at a rate of = 1 / 10

x * ( 1 / 8 ) = 10 * ( 1 / 10 )

x = 1 * 8 = 8

therefore 8 men can do the work in 10 days

number of men reduced = 10 men - 8 men = 2 men

Hope it helped

7 0
2 years ago
What’s is the solution to the system of equations graphed below?
deff fn [24]

Answer:

(3, -2)

Step-by-step explanation:

It is where the two lines on the graph intersect.

6 0
3 years ago
Read 2 more answers
What is the ratio of these volumes if the dimensions were length = 4, width = 3, and height = 2? Fill out the table below.
tatyana61 [14]

Explanation:

Linear escale factor 1.

In this case the original volume of the parallelepiped is:

Volume=4*2*3=24\text{ u}^3

24 cubic units and the new volume must be:

NewVolume=\left(4*1\right)\left(2*1\right)\left(3*1\right)=24u^3

So in this case the ratio of volumes is 1:1

Linear escale factor 2.

In this case the original volume of the parallelepiped is the same: 24 cubic units.

The new voume must be:

NewVolume=\left(4*2\right)\left(2*2\right)\left(3*2\right)=8*4*6=192u^3

So in this case the ratio of volumes is 24:192, that is 1:8

Linear escale factor 3.

In this case the original volume of the parallelepiped is the same: 24 cubic units.

The new voume must be:

NewVolume=(4\times3)(2\times3)(3\times3)=12*6*9=648u^3

So in this case the ratio of volumes is 24:648, that is 1:27

Linear escale factor 4.

In this case the original volume of the parallelepiped is the same: 24 cubic units.

The new voume must be:

NewVolume=(4\times4)(2\times4)(3\times4)=16\times8\times12=1536u^3

So in this case the ratio of volumes is 24:1536, that is 1:64

Linear escale factor r.

In this case the original volume of the parallelepiped is the same: 24 cubic units.

The new voume must be:

NewVolume=(4*r)(2*r)(3*r)=4r\times2r\times3r=24r^3\text{ }u^3

So in this case the ratio of volumes is 24:24r^3, that is:

1:r^3

5 0
1 year ago
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