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777dan777 [17]
3 years ago
14

Sally has a box that has 30 red balloons and 60 total balloons. What is the probability a randomly selected one is red?

Mathematics
1 answer:
Andreyy893 years ago
6 0
1/2 probability because 30 is half of 60.
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Evgen [1.6K]

For the case of a line through

(

2

,

7

)

and

(

1

,

−

4

)

we have

slope

m

=

Δ

y

Δ

x

=

−

4

−

7

1

−

2

=

−

11

−

1

=

11

Using the point

(

2

,

7

)

we can write the equation of the line in point slope form as:

y

−

7

=

m

(

x

−

2

)

where the slope

m

=

11

.

That is:

y

−

7

=

11

(

x

−

2

)

To get point intercept form, first expand the right hand side so...

y

−

7

=

11

x

−

(

11

⋅

2

)

=

11

x

−

22

Then add

7

to both sides to get:

y

=

11

x

−

15

=

11

x

+

(

−

15

)

This is point intercept (

y

=

m

x

+

c

) form with slope

m

=

11

and intercept

c

=

−

15

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6 0
3 years ago
The altitude of a plane is 1,600 ft. What must be the altitude of a submarine so that the sum of their altitudes is 0?
RSB [31]
You must mean the depth of the submarine.

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7 0
3 years ago
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FromTheMoon [43]

Answer:

Length will be 173

Step-by-step explanation:

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3 years ago
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Sidana [21]

Answer:

6/11

Step-by-step explanation:

probability

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6 0
3 years ago
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Anastasy [175]

Answer:

-1 I think

Step-by-step explanation:

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3 years ago
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