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Black_prince [1.1K]
3 years ago
12

The table below shows the number of marbles of different colors in a bag: Marble Experiment Color of Marbles Number of Marbles R

ed 3 White 7 Black 4 Stacy draws a marble from the bag randomly without looking. She then draws another marble from the bag without replacing the first one. Which expression shows the probability of drawing white marbles in both the trials?
Mathematics
2 answers:
Nesterboy [21]3 years ago
7 0

Answer:

7/14

Step-by-step explanation:

Dafna11 [192]3 years ago
4 0

Answer:

1 white one left.

Step-by-step explanation:

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Please show work, i’ll mark as brainliest
bulgar [2K]

Answer:

y=4

x=-3

Step-by-step explanation:

4(-3)-9y=-48

-12-9y=-48

-9y=-36

y=4

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4 0
3 years ago
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Selina didn't use the distributive property correctly. Where did she go wrong? Explain your thinking.​
GarryVolchara [31]

Answer:

PEMDAS

Step-by-step explanation:

Well, I don't know if there should be a picture of the problem that should go with the question. But a trick for solving distributive property is to use the trick PEMDAS In order.

For Example:

P-Paraenthese

E-Exponent

M-Multiply

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S-Subtract

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3 years ago
wanting some extra help with factoring while knowing what method it would be like gcf or grouping etc
Ksju [112]

d) You have a <u>difference of squares</u>:

49y² - 9 = (7y)² - 3²

Recall the identity,

a² - b² = (a - b) (a + b)

So,

49y² - 9 = (7y - 3) (7y + 3)

e) Pull out the common factor 3 from each term:

3x² - 3x - 90 = 3 (x² - x - 30)

Now use the <u>sum-product method</u>. Notice that we can write 30 = 5 • 6, and 5 - 6 = 1, so

3x² - 3x - 90 = 3 (x + 5) (x - 6)

f) Same as in (e), use the <u>sum-product method</u>. Notice that 42 = 7 • 6, and -7 - 6 = -13, so

x² - 13x + 42 = (x - 7) (x - 6)

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2 years ago
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ASAP<br><br>- WILL MARK BRIANIST
kupik [55]

Now Mark me Brainiest

7 0
3 years ago
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In a shelter 15% of the animals are puppies, 45% are cats, and the rest are adult dogs. Based on this information ,if there are
frozen [14]
20 is the answer.

15% of 50= 7.5
45% of 50= 22.5
22.5+7.5=30
50-30=20.
7 0
2 years ago
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