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prohojiy [21]
3 years ago
8

Lily goes to bed at 11:00 p.m. She sleeps for 8 hours. What time did she wake up?

Mathematics
2 answers:
lidiya [134]3 years ago
7 0

7:00 a.m is the answer


koban [17]3 years ago
3 0
7 am? Lol. I’m pretty sure it’s just simple math right?
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What is the domain and range of the set of ordered pairs?​
Delvig [45]

Answer:

D) would be the answer

Step-by-step explanation:

Domain is always the set of x-coordinates in the pairs and the range is always the set of y-coordinates in the pairs.

D: 7, -2, 4, -9, 0

R: 3, -2, 1, 0, 7

Put them in order from least to greatest.

D: -9, -2, 0, 4, 7

R: -2, 0, 1, 3, 7

5 0
3 years ago
Find the explicit rule: 2, 6, 18, 54, 162
faust18 [17]
Multiply each number by 3.

2 (x 3) is 6. 6 x 3 is 18, 18 x 3 is 54, 54 x 3 is 162.

Hope this helps!
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3 years ago
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tigry1 [53]

Answer:

187.25

Step-by-step explanation:

6 0
3 years ago
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Newton’s law of cooling states that the temperature of an object changes at a rate proportionalto the difference between the tem
Verizon [17]

Answer:

\frac{dT}{dt} = -0.05\;min^{-1}  (T-70\ºF)

Step-by-step explanation:

Hi!

Lets call:

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t = time

The rate of change of T is its derivative with respecto to time. If T > T₀, the object looses heat, so T decreases. Then, being k > 0:

\frac{dT}{dt} = -k(T-T_0) \\

In this case T₀ = 70ºF and k = 0.05/min. Then the differential equation is:

\frac{dT}{dt} = -0.05\;min^{-1}  (T-70\ºF)

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3 years ago
Which statement about the graph of the line y=x+1/2 will be true if the 1/2 is replaced by -2
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The y-intercept (where the line hits the y-axis) will move from (0, 1/2) to (0, -2)
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