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qaws [65]
3 years ago
5

In a bag there are 4 black marbles and 2 green marbles. What is the probability of choosing a black marble, not replacing it, th

en choosing a green marble?
Mathematics
1 answer:
uranmaximum [27]3 years ago
8 0

Answer:

It'd be 4/15

Step-by-step explanation:

The total marbles is 6, so for black it's 4/6, but it's not being put back in so for the next one, the denominator would be 5. For green it's 2/5

4/6 times 2/5 equal 4/15

Hope this helps!

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Find the area of the figure. 7 cm 4 cm 4 cm 1 10 cm 10 cm 8 cm 19 cm
Paladinen [302]

Answer:

132cm^2

Step-by-step explanation:

first break the shape up into component shapes. the shape is made of two rectangles and two triangles. the area for a rectangle is A=BH where b is base and h is height. the area of a right triangle is BH/2 where b is the base and h is the height. you are given the base and height of the top rectangle 4x7. To find the area of the triangles and the second rectangle you have to do some algebra. the total base length is 19cm and the top rectangle has a length of 7cm so 19-7 leaves you with 12cm to spare and there is two symmetric triangles on each side so 12/2 is 6. now we know all the measurements and can solve.

3 0
2 years ago
Simplify each expression
katrin2010 [14]

Answer:

{x}^{ \frac{1}{2} }  \times  {x}^{ \frac{2}{3} }

{x}^{ \frac{3 + 4}{6} }

{x}^{ \frac{7}{6} }

6 0
2 years ago
Determine the domain of the function h=9x/x(x^2-49)
Juliette [100K]

ANSWER

( -  \infty , - 7) \cup( - 7 , 0) \cup(0 , 7 )\cup(7 , +   \infty )

EXPLANATION

The given function is

h(x) =  \frac{9x}{x( {x}^{2} - 49) }

This function is defined for values where the denominator is not equal to zero.

x( {x}^{2}  - 49) \ne0

x(x - 7)(x + 7) = 0

The domain is

x \ne - 7, x \ne0, \: and \:  x \ne 7,

Or

( -  \infty , - 7) \cup( - 7 , 0) \cup(0 , 7 )\cup(7 , +   \infty )

8 0
3 years ago
Millie borrowed $20 from her dad. Explain why this situation indicates a negative number for Millie even though $20 is a positiv
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Millie will have to pay the $20 back, and as she already has no money, she's now $20 in debt
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3 years ago
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Please help me out you guys
s344n2d4d5 [400]

Answer:

okok I willl hel0 you out

5 0
3 years ago
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