3 years ago

Help plsssssss!!! i have a timer on me

Mathematics

2 answers:

Anettt [7]3 years ago

5 0

Answer:

The second answer is correct

Step-by-step explanation:

Bingel [31]3 years ago

3 0

Answer:

the first one

/10/ is the absolute number so it's supposed to represent 10

Step-by-step explanation:

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Please help me with questions 21 and 22

valentina_108 [34]

I’m not sure abt 21 but 22 is the second one and the 4th one. So 2,4.

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2 years ago

After 3 minutes, a submarine had descended to −320 feet. After 8 minutes, the submarine had descended to −420 feet. Assuming a l

LiRa [457]

Answer:

$d(t) = -20t - 260$

Step-by-step explanation:

The depth function is:

$d(t) = mt + b$

After 3 minutes, a submarine had descended to −320 feet.

This means that $d(3) = -320$ . So

$d(t) = mt + b$

$-320 = 3m + b$

After 8 minutes, the submarine had descended to −420 feet.

This means that $d(8) = -420$ . So

$d(t) = mt + b$

$-420 = 8m + b$

From the first equation:

$b = -320 - 3m$

$-420 = 8m + b$

$-420 = 8m - 320 - 3m$

$5m = -100$

$m = \frac{-100}{5}$

$m = -20$

And

$b = -320 - 3*(-20) = -260$

$d(t) = -20t - 260$

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3 years ago

in order for an object to begin to move. stop moving, or change direction, which of the following must be present?

Angelina_Jolie [31]

Answer:

I think question is incomplete . So I can't give answer.

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3 years ago

ollegr [7]

The answer is 25 I think sorry if it’s wrong :)

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2 years ago

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Solve for X, square root 2x = square root x+5

inessss [21]

X = 5
Move the variable then cells to like terms and simplify

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2 years ago