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3 years ago

A deep-sea diver dived off a boat to a depth of -45 feet. What is the absolute value that expresses the distance the diver went?

Mathematics

1 answer:

Vlad1618 [11]3 years ago

7 0

45 feet.

Absolute value is the distance of a number from 0. Say 0 is the surface of the ocean, then the diver is 45 feet away from it. Either from above or below, they are the same distance away.

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At a competition with 7 runners, medals are awarded for first, second, and

il63 [147K]

Answer:

Option A - Permutation; number of ways = 210

Step-by-step explanation:

Given : At a competition with 7 runners, medals are awarded for first, second, and third places. Each of the 3 medals is different.

To find : How many ways are there to award the medals?

Solution :

There are 7 runners but medals are three.

The first runner up got first medal as one is locked.

The second runner up got second medal as second is locked.

The third runner up got the third medal.

So, There is a permutation.

Number of ways to award the medals is $^7P_3$

We know, $^nP_r=\frac{n!}{(n-r)!}$

Substitute the values,

$^7P_3=\frac{7!}{(7-3)!}$

$^7P_3=\frac{7\times 6\times 5\times 4!}{4!}$

$^7P_3=210$

Therefore, Option A is correct.

Permutation; number of ways = 210

6 0

3 years ago

Nine times a number decreased by 4 yields four times the number increased by 16

Eva8 [605]

The answer would be the following:
9 x - 4 = 4x + 16

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3 years ago

PLZ HELP AGAIN DUE TODAY ANSWER CHOICES ARE A.140 B.188 C.132 D.104

spin [16.1K]

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3 years ago

What is the value of x in the inequality? 7+2x/5 -3 a. x>-8/3 b. x<-8/3 c. x>8/3 d. x<-3/8

Len [333]

D.x←-3\8 I think!!!!!

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3 years ago

Under his cell phone plan, Ian pays a flat cost of $59.50 per month and $5 per gigabyte. He wants to keep his bill under $80 per

inessss [21]

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3 years ago