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Darya [45]
3 years ago
7

a bag contains six red marbles and seven blue marbles. You randomly pick a marble and then return it to the bag before picking a

nother marble. The first marble is red and the second marble is blue. Find the probability of the independent event.
Mathematics
1 answer:
tankabanditka [31]3 years ago
4 0

Answer:

6/13 7/13 chance to get the marbles

Step-by-step explanation:

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stira [4]
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and you get:

0.125 = WP

Change your decimal into a percent by multiplying by 100%

12.5% is your result.
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Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials.
Fofino [41]

Answer:

Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's profits last month, where x is the number of sandwich lunch specials sold and y is the number of wrap lunch specials sold.

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Please help.

Please Help

Oct 24, 2015

Step-by-step explanation:

pls brainliest

7 0
2 years ago
The elevator in the Empire State Building can pass 80 floors in 45 seconds. How many floors can it pass in 9 seconds?
castortr0y [4]
\bf \begin{array}{ccll}
floors&seconds\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
80&45\\
f&9
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7 0
3 years ago
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gulaghasi [49]

Answer: \bold{\sqrt{74}}

<u>Step-by-step explanation:</u>

\text{Use the distance formula: }d_AB=\sqrt{(x_A-x_B)^2+(y_A-y_B)^2}\\where\ (X_A, y_A)=(-3, -2)\\and\ (x_B,y_B)=(4, -7)\\\\\\d_AB=\sqrt{(-3-4)^2+[-2-(-7)]^2}\\\\.\quad =\sqrt{(-7)^2+(5)^2}\\\\.\quad =\sqrt{49+25}\\\\.\quad =\boxed{\sqrt{74}}

3 0
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Mars2501 [29]

Answer:

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Step-by-step explanation:

7x7=49

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3 years ago
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