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aniked [119]
2 years ago
10

(I need these answered asap and with work and explanation included)

Mathematics
1 answer:
erik [133]2 years ago
4 0

Answer:

blue marbles - 2/9. red marbles - 3/9 = 1/3 clear marbles - 4/9. Davis got a 2/9 chance and Tessa got a 2/8 or 1/4 chance. I don't know about the last question. it might be 5/9 but I don't know sorry.

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Simplify the expression. (3x/y)^-3
AysviL [449]

Answer:

y^3/(27 x^3)

Step-by-step explanation:

Simplify the following:

((3 x)/y)^(-3)

((3 x)/y)^(-3) = (y/(3 x))^3:

(y/(3 x))^3

Multiply each exponent in y/(3 x) by 3:

(y^3)/((3 x)^3)

Multiply each exponent in 3 x by 3:

y^3/(3^3 x^3)

3^3 = 3×3^2:

y^3/(3×3^2 x^3)

3^2 = 9:

y^3/(3×9 x^3)

3×9 = 27:

Answer:  y^3/(27 x^3)

6 0
3 years ago
Which plane represents the bottom of the rectangular prism above?
tiny-mole [99]
This can be easily figured out. Check to see what points are on the bottom and that is your answer.

B
6 0
3 years ago
Nina sells 95% of her cookies at a bake sale. She baked 120 cookies. How many did she sell?
adoni [48]

Answer:

114 cookies

Step-by-step explanation:

120×0.95=114

7 0
3 years ago
What is the area of a parallelogram with a base of 2 cm and a height of 8 cm?
Vsevolod [243]

The answer should be 16 square cm.

8 0
3 years ago
Read 2 more answers
Helpppppppp fast......
nadya68 [22]

1/2

count all outcomes that have at least 2 H's

which is 4. There is a total amount of outcomes is 8.

There is 4/8 chance you will flip at least 2 heads

6 0
3 years ago
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