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amid [387]
2 years ago
10

A bag contains 7 red marbles, 9 blue marbles, and 6 green marbles. what is the probability of choosing a marble that is not gree

n?
Mathematics
1 answer:
skad [1K]2 years ago
7 0
Probabilities! In order to find the answer you first have find out the total amount of marbles that you have. So:

[7 + 9 + 6] = 22

This number will go into the denominator. 

The next step is to find how how many marbles are not green. To do that you simply add the red marbles and the blue marbles. So:

[7 + 9] = 16

This number will go in the numerator.

The probability of you choosing a marble that is not green is 16/22. You can also simply this and it would be 8/11.
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A wall has been built with two pieces of sheetrock, a smaller one and a larger one. The length of the smaller one is stored in t
marishachu [46]

Answer:

The answer is: small+large.

Step-by-step explanation:

If the variable of the smaller sheetrock is stored in small:

var small.

And the variable of the larger sheetrock is stored in large:

var large.

The length of the wall will be the sum of the two pieces of sheetrock:

  • small+large

For example:

var small = 5;

var large = 10;

small+large = 5 + 10 = 15 is the length of the wall.

4 0
3 years ago
Which of the following has the same value as
Gwar [14]

Answer:

i did this 2 months ago, and i believe its A if not sorry

Step-by-step explanation:

3 0
1 year ago
Read 2 more answers
What is 1+1? I wonder if anyone would answer this cause no one seems to see my questions
stealth61 [152]
Your answer is gonna be two
7 0
3 years ago
Read 2 more answers
2 At Bea's Pet Shop, the number of dogs, d, is initially five less than twice the number of cats, c. If she decides to add three
forsale [732]

Let D be dogs and C be cats

<em>dogs, d, is initially five less than twice the number of cats, c</em>

D + 5 = 2C

<em>If she decides to add three more of each, the ratio  of cats to dogs will be</em>

D + 8 = 2C + 3

<em>Could Bea's Pet Shop initially have 15 cats and 20 dogs?</em>

Simply plug in the numbers

20 + 5 = 2(15)

This is clearly not true: 25 does not equal 30

<em />

<em />

7 0
3 years ago
The rectangle below has an area of x^2-7x+10square meters and a width of x - 5 meters. What expression represents the length of
jolli1 [7]

Answer:

L = (x - 2) meters

Step-by-step explanation:

The area of the rectangle = (x² - 7x + 10) m²

The width = (x - 5) m

length = ?

Area of a rectangle = length × width

x² - 7x + 10 = L(x -5)

note L = length

divide both sides by (x-5)

(x² - 7x + 10)/(x - 5) = L

L = x² - 7x + 10 / (x -5)

Factorize x² - 7x + 10

find the numbers you can multiply to give you 10 and also add to give you -7

The numbers are -2 and -5. Therefore,

x² - 2x - 5x + 10 = 0

x(x - 2) - 5(x - 2) = 0

(x-5)(x-2) = 0

Let us go back to our division

L = x² - 7x + 10 / (x -5)

x² - 7x + 10 = (x-5)(x-2)

L = (x-5)(x-2) / (x -5)

L = (x - 2) meters

7 0
3 years ago
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