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Dima020 [189]
3 years ago
9

A box contains 4 yellow tiles, 6 green tiles, and 10 purple tiles. Without looking, you draw out a tile and then draw out a seco

nd tile without returning the first tile. Find P(purple, then purple)
Mathematics
1 answer:
Sonbull [250]3 years ago
5 0
4 yellow + 6 green + 10 purple = 20 total tiles

1st draw P purple: 10 purple/20 total
2nd draw P purple: 9 purple/19 total

Probability purple then purple (no returns): \frac{10}{20} x  \frac{9}{19}
= 90/380
= 45/190
= 9/38
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Please help me on this problem.
VashaNatasha [74]

Answer : (8,5)

Given

K(x) = 8-\sqrt[3]{x}

Now we plug in each point and check whether it satisfies our equation

(-64,12)

K(-64) = 8-\sqrt[3]{-64}= 12 so this point lie on graph

(125,3)

K(125) = 8-\sqrt[3]{125}= 3 so this point lie on graph

(343,1)

K(343) = 8-\sqrt[3]{343}= 1 so this point lie on graph

(8,5)

K(8) = 8-\sqrt[3]{8}= 6 so this point does not lie on graph because we got 6 instead of 5

4 0
3 years ago
Question: What is the volume of the box? Explain how you found your solution.
Vikki [24]

The volume of the box is 100 cubic meter.

Step-by step explanation:

Given data:

Length of the box = 10 m

Width of the box = 5 m

Height of the box = 2 m

<u>To find the volume of the box:</u>

Volume of the box = length × width × height

                               = 10 m × 5 m × 2 m

                               = 100 cubic meter

Hence the volume of the box is 100 cubic meter.

8 0
3 years ago
Why is the sum of a rational number and a irrational number always irrational
zhannawk [14.2K]

Answer:

A rational number is a number able to be put into a fraction, an irrational number is not able to be. Therefore, when adding the two, the rational and the irrational will be irrational. For example, 2 is a rational number, and 1.8903 is irrational. If you add the two, you will get 3.18903, which is unable to be put into a fraction.

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=I%20%3D%20%5Cfrac%7BE%7D%7B%20%5Csqrt%7BR%20%7B%7D%5E%7B2%7D%20%2B%20W%20%7B%7D%5E%7B2%7D%20L%
AleksandrR [38]

Answer:

R = sqrt[(IWL)^2/(E^2 - I^2)] or R = -sqrt[(IWL)^2/(E^2 - I^2)]

Step-by-step explanation:

Squaring both sides of equation:

     I^2 = (ER)^2/(R^2 + (WL)^2)

<=>(ER)^2 = (I^2)*(R^2 + (WL)^2)

<=>(ER)^2 - (IR)^2 = (IWL)^2

<=> R^2(E^2 - I^2) = (IWL)^2

<=> R^2 = (IWL)^2/(E^2 - I^2)

<=> R = sqrt[(IWL)^2/(E^2 - I^2)] or R = -sqrt[(IWL)^2/(E^2 - I^2)]

Hope this helps!

7 0
3 years ago
On a coordinate grid, both point (−4, −1) and (2, 6) point are reflected across the y-axis. What are the coordinates of the refl
vichka [17]
The reflected points are (4, -1) and (-2, 6).
4 0
3 years ago
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