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kirill115 [55]
3 years ago
13

You randomly draw a marble from a bag of marbles that contains 8 blue marbles, 5 green marbles, and 8 red

Mathematics
2 answers:
andre [41]3 years ago
7 0

Answer:

0.76

Step-by-step explanation:

Probability = Number of favorable outcomes / Number of possible outcomes

There are 16 favorable outcomes ( the 8+8=16 marables that are either blue or red).

There are 21 possible outcomes ( the 8+5+8=21 total marables).

P (draw a blue or red marable) =\frac{16}{21} ≈ 0.76

Viktor [21]3 years ago
5 0

P(red & blue) = 16/21

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Graph: y +2=
olga_2 [115]

Answer:

  see below

Step-by-step explanation:

The point-slope form of the equation of a line is ...

  y -h = m(x -k)

for a line with slope m through point (h, k).

Comparing this to the given equation, you see that ...

  h = -2, m = 1, k = -4

The line has a slope of 1 and goes through the point (-4, -2). This information is useful for graphing.

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You can also rearrange the equation to slope-intercept form by subtracting 2 from both sides.

  y = x +2

This has a slope of 1 and crosses the y-axis at y=2. It graphs the same as the above.

6 0
3 years ago
Evaluate 13 - 0.75w+8x when w=12 and x= 1 over 2
Zepler [3.9K]

Answer:

8

Step-by-step explanation:

Given:

13 - 0.75w + 8x

where,

w = 12

x = 1/2

13 - 0.75w + 8x

Substitute the value of w and x into the equation

= 13 - 0.75(12) + 8(1/2)

= 13 - 9 + 8/2

= 13 - 9 + 4

= 8

Therefore,

13 - 0.75w + 8x = 8

6 0
3 years ago
Please help fast geometry !!
kotegsom [21]

Answer:

1733.28

Step-by-step explanation:

we want to find the surface area of the cylinder

We are given:

diameter = 12in

height = 40in

formula to find surface area of a cylinder: SA = 2πr^2 + 2πrh (where h = height and r = radius)

in order to find the SA of a cylinder we need to know the radius

we are given that the diameter is 12

we can acquire the measure of the radius by dividing the diameter by 2 ( this is because the radius is equal to half of the diameter )

so r = 12/2 = 6

now to find the surface area,

we simply plug in the values of the radius and height into the SA of a cylinder formula

SA = 2πr^2 + 2πrh

r = 6

h = 40

( note it says use 3.14 for π )

substitute values

SA = 2(3.14)(6)^2 + 2(3.14)(6)(40)

if you plug this into a calculator you get that the surface area is 1,733.28

6 0
2 years ago
16 out of 24 in simplest form
Aleks [24]
Do you mean 16/24 in simplest form? In that case it would be

16/24 = 8/12 = 4/6 = 2/3
4 0
3 years ago
Read 2 more answers
Round 7,670 to the nearest hundred.​
olga2289 [7]

Answer:

7,700

Step-by-step explanation:

5 or more, raise the score

4 or less, let it rest

4 0
3 years ago
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