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horsena [70]
3 years ago
8

15 POINTS!!!!

Mathematics
1 answer:
lions [1.4K]3 years ago
5 0
There isn't enough information shown to kniw
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A bowl contains 3 red, 8 blue, and 7 black beads. Margaret randomly selects 3 beads one after the other without replacement. Fin
castortr0y [4]
Since your second pick is affected by your first pick & your third pick is affected by the first two, it is dependent. 

First pick: 18 marbles, 3 are red, so odds are 3/18 = 1/6 

Second pick: 17 marbles, 8 are blue, odds are 8/17 

Third pick: 16 marbles, 7 are black, odds are 7/16 

<span>1/6 * 8/17 * 7/16 = 56/1632 = 7/204 & as mentioned before it's dependent</span>
3 0
3 years ago
Find each sum or difference
alexdok [17]
The P is 16x^2 -12 and Perimeter is the distance around the edge of a shape. So you divide your equation by 4 and the answer you get is 4x^2 - 3
5 0
3 years ago
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What is the area of a circle with a radius of 7 cm? (Use 3.14 for and round to the nearest tenth.)
VMariaS [17]

Answer:

A =153.9 cm^2

Step-by-step explanation:

We know the area of a circle is given by

A = pi r^2

We are given the radius and pi

A = 3.14 (7)^2

A =153.86 cm^2

Rounding to the nearest tenth

A =A =153.9 cm^2

3 0
3 years ago
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nikdorinn [45]

Answer:

x = 4y - 4

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y = ¹/₄.x + 1

y - 1 = ¹/₄.x

x = 4(y - 1)

x = 4y - 4

7 0
3 years ago
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The circumference of a circle is 40π. Find the diameter.
klasskru [66]
D≈12.73 hope this helps
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3 years ago
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