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bixtya [17]
2 years ago
10

I WILL MAKE YOUR ANSWER THE BRAINLIEST

Mathematics
1 answer:
Hunter-Best [27]2 years ago
7 0

Answer:

268.08

Step-by-step explanation:

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HELP ASAP INCLUDE WORK I WILL MARK BRAINLIEST
Troyanec [42]
Step 1 is to find how far apart W and Y are:
-7 - (-31) = 24

Now find 1/8 of that distance: 1/8 • 24 = 3

Now move 3 units from -31 towards -7: -31 + 3 = -28
3 0
2 years ago
How can 10% of 82 be used to determine 60% of 82?
myrzilka [38]

Answer:10% of 82 is 820so 60% of 82 is 4800

Step-by-step explanation:

i hope im right

5 0
2 years ago
A carpenter started with a board that was 31 inches long. He cut 2 pieces that were each 3 inches long. He then cut 3 pieces tha
rosijanka [135]
One inch of board is left
if you subtract the two 3 inches pieces from the board
the further subtract the 24 inches from the three 8 inches pieces you get 31-30
7 0
3 years ago
What is the inverse function of d(x) = 2x - 4?
zysi [14]

Answer:

d^{-1}(x) = \frac{x+4}{2}

Step-by-step explanation:

let d(x) = y and rearrange making x the subject, that is

2x - 4 = y ( add 4 to both sides )

2x = y + 4 ( divide both sides by 2 )

x = \frac{y+4}{2}

Change y back into terms of x, so

d^{-1}(x ) = \frac{x+4}{2}

7 0
3 years ago
Plutonium-240 decays according to the function Q(t) = Qoe^-kt
LuckyWell [14K]

Answer:

  9990 years

Step-by-step explanation:

The exponential function with given values filled in can be solved for the unknown using logarithms.

__

  Q(t) = 12 = 36e^(-0.00011t)

  1/3 = e^(-0.00011t) . . . . . . divide by 36

  ln(1/3) = -0.00011t . . . . . . take natural logs

  t = ln(1/3)/(-0.00011) . . . . divide by the coefficient of t

  t ≈ 9990 . . . years

5 0
2 years ago
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