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Stells [14]
2 years ago
14

A bag contains 5 red cubes and 7 white cubes. Celinda will select one cube, put it in her pocket, and then select a second cube.

Which expression gives the probability that she will select two red cubes? A. B. C. D.
Mathematics
2 answers:
SashulF [63]2 years ago
5 0

Answer:

Idnu

Step-by-step explanation:

Len [333]2 years ago
4 0
The number of ways of picking up a red cube out of 12 cubes are 5/12. Number of ways of picking up a second red cube is 4/11. 
<span>Thus probability of picking up 2 red cubes = 5/12 * 4/11 = 20/121. 

20 / 121 = .165 or .17

So the probability of Celinda getting two red cubes is .17.</span>
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For breakfast perry adds 1/8 cups of berries to his oatmeal.He has 7/8 cup of berries in his fridge.How many days can he have br
prisoha [69]

Answer:

He has 7 days

Step-by-step explanation:

He consumes 1/8 cups of berries per day, 1/8=1 day

He has 7/8 cups of berries

To get the number of days it takes for 7/8 cups

Number of days=(Number of cups of berries he has)/(The number of berries he consumes in a day)

(7/8)÷(1/8)=(7/8)×8=7 days

4 0
3 years ago
I will literally pay you pls help me :(
vovikov84 [41]

The answer is 35

Since they are supplementary they both equal 180 degrees.

(3x+10)+(2x-5)=180

Add them up

5x-5=180

Subtract 5 from both sides

5x=180-5

5x=175

Divide 5 from both sides

x=35.

3 0
3 years ago
I dont understand please help
DiKsa [7]

2 \frac{1}{2}+(-2\frac{1}{4})

This is equal to:

2\frac{1}{2}-2\frac{1}{4}

When you add a negative number, it turns into subtraction.

First, I would change it to mixed numbers:

\frac{5}{2}-\frac{9}{4}

Now, you need to change the denominators to make sure they are the same on both fractions. I changed the first fraction's denominator to 4 so they match. You can do this by multiplying the numerator by 2:

\frac{10}{4}-\frac{9}{4}

Now, you simply subtract:

10-9=1

1/4 is your answer.

I hope this helps :)

3 0
3 years ago
I need an answer NOT A LINK! ASAP
katen-ka-za [31]

Answer:

D. No, because group A is already the control group.

7 0
2 years ago
Is -27 greater then |-14|
skelet666 [1.2K]

Answer:

No

Step-by-step explanation:

the absolute value function always returns a positive value. The value inside the bars can be positive or negative but the result is always positive

| - 14 | = 14 > - 27


3 0
3 years ago
Read 2 more answers
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