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mash [69]
2 years ago
13

Negative three eights times a number,z, equals 12.

Mathematics
2 answers:
Dimas [21]2 years ago
7 0

Answer:

the answer is 32

Step-by-step explanation:

3/8=0.375

0.375 x 12 =32

irakobra [83]2 years ago
6 0

Answer:

-0.5

Step-by-step explanation:

If we reverse the math, 12/ -3/8=-0.5, therefore -0.5 is the answer. Please mark brainliest if possible

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16 to the power of x=64<br> What is x?
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Step-by-step explanation:

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Can anyone help me solve this
yawa3891 [41]

Answer:

a. $45.54; b. $51.42; c. See below

Step-by-step explanation:

a. 193 min

        Service charge = $40.00

1st 100 min @ 0.021 =      2.10

Next 93 min @0.037 = <u>    3.44 </u>

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b. 317 min

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2nd 100 min @ 0.037 =     3.70

        117 min @ 0.048 =   <u>   5.62</u>

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c. Piecewise function

The charge is  

  • $40.00 + 0.021t               if t ≤ 100
  • $42.10 + 0.037(t - 100)    if 100 < t ≤ 200
  • $45.80 + 0.048 (t - 200) if t > 200

which we can write like this:

f(t) =\begin{cases}40.00 + 0.021t & t \leq 100\\42.10 + 0.037(t-100) & 100 < t \leq200\\45.80 + 0.048(t-200) & t > 200\end{cases}

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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