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sdas [7]
3 years ago
10

There is a bag filled with 4 blue, 3 red and 5 green marbles. A marble is taken at random from the bag, the colour is noted and

then it is not replaced. Another marble is taken at random. What is the probability of getting 2 greens?
Mathematics
1 answer:
zalisa [80]3 years ago
3 0

Answer:

The answer would be just about 61% or 9/14

Step-by-step explanation:

So, it would be a 71% chance to get 1 green out of the bag, but then you have to keep that green out, which then lowers the chances of getting another green out of the bag, then you have to combine the percentages, and then that is the final percentage.

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16. If f(x) = 2x - 1 and g(x) = x2 - 2, find [g • fj(x).
Rudiy27

Answer:

x^2 - 2x - 1.

Step-by-step explanation:

(g - f)(x)

= g(x) - f(x)

= x^2 - 2 - (2x - 1)    (Note we put the 2x -1 in parentheses).

=  x^2 - 2 - 2x + 1

= x^2 - 2x - 1.

5 0
3 years ago
Let F(x)=-<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B5%7D%20x%2B10" id="TexFormula1" title="\frac{4}{5} x+10" alt="\frac
Reptile [31]

The numeric values for the function are given as follows:

a) f(-5) = 14.

b) f(0) = 10.

c) f(5/2) = 8.

d) f(5a) = -4a + 10.

e) f(5a - 15) = -4a + 22.

<h3>How to find the numeric value of a function?</h3>

To find the numeric value of a function, we replace each instance of the variable by the desired value.

For this problem, the function is given by:

f(x) = -0.8x + 10.

Hence the numeric values are given as follows:

  • f(-5) = -0.8(-5) + 10 = 14.
  • f(0) = -0.8(0) + 10 = 10.
  • f(5/2) = f(2.5) = -0.8(2.5) + 10 = 8.
  • f(5a) = -0.8(5a) + 10 = -4a + 10.
  • f(5a - 15) = -0.8(5a - 15) + 10 = -4a + 22.

More can be learned about the numeric value of a function at brainly.com/question/14556096

#SPJ1

7 0
2 years ago
12 m<br> 9 m<br> 10 m<br> Area:<br> Find the area
Nataliya [291]

Answer:

A= b×h

b=12

h=9

12×9= 108

A=108m

Hope this helps.

5 0
3 years ago
Can you help me in write the perimeter of the triangle in a simplest form
Angelina_Jolie [31]

I got 6x+3



The three equations are:

(2x-6) + (3x+1) + (x+8) =perimeter

2x+3x+x/1x=6x

-6+1+8= 3

8 0
3 years ago
Madyson has 2 vases of flowers. Each vase has 6 flowers. Madyson must divide the flowers equally into three vases.
algol13

Answer:

B

Step-by-step explanation:

if there are 6 flowers in each vase and there are 2 vases that means there is 12 flowers. 12 divided by 3 =4

5 0
3 years ago
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