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JulijaS [17]
3 years ago
11

A dolphin calf swims at a depth of -7/4 feet from the sea surface. An adult dolphin swims at a depth 5/3 times the depth at whic

h the calf swim. What is the depth, in feet, of the adult dolphin from the sea surface?
Mathematics
1 answer:
il63 [147K]3 years ago
4 0
It is - 7/4 * 5/3 = - 35/12 feet
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Hey -
Katen [24]

Answer:

4-3=1

8+9=17

7 x 2= 14

Step-by-step explanation:

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3 years ago
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Y=9 is the answer.....
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4 years ago
Eights rooks are placed randomly on a chess board. What is the probability that none of the rooks can capture any of the other r
lbvjy [14]

Answer:

4.51\times10^{-10}

Step-by-step explanation:

There are only 2 solutions for none of the rooks can capture any of the other rooks: only if they are laid out in either of the 2 diagonal of the chess board

The number of possible combination for the rock to laid out in 8x8 (64 slots) chess board

\frac{64 * 63 * 62 * 61 * 60 * 59 * 58 * 57}{8!} = \frac{1.78\times10^{14}}{40320} = 4426165368 possible combination

So the probability is pretty thin

P = 2 / 4426165368 = 4.51\times10^{-10}

4 0
4 years ago
What is 1/4 as a simplified decimal
il63 [147K]

here is the steps:

= 1/4

= 1 ÷ 4

= 0.25


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3 years ago
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What is the value of expression 2X plus 5Y when X equals three and Y equal 2
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