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Ber [7]
2 years ago
13

Kim had 12 cookies that brought to school she gave some cookies to her friends if Kim has no more than five cookies left how man

y cookies did she give to her friends
Mathematics
1 answer:
nalin [4]2 years ago
7 0

Answer:

7

Step-by-step explanation:

12-5 = 7

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After 25 days. 300=triple 100+8x=300. is that 20 words?
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3 years ago
Can you identify the scale factor please and thank you
jasenka [17]

Answer:

multiply by 2

Step-by-step explanation:

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Ariana and tom Tabitha recorded the amount of time spent on homework on 10 school daze graph of the data are shown
Sedaia [141]

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theres no picture

Step-by-step explanation:

5 0
3 years ago
A thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 40° F. Af
fgiga [73]

Answer:

53.3324

Step-by-step explanation:

given that a  thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 40° F.

By Newton law of cooling we have

T(t) = T+(T_0-T)e^{-kt}

where T (t) is temperature at time t,T =surrounding temperature = 40, T0 =70 = initial temperature

After half minute thermometer reads 60° F. Using this we can find k

T(0,5) = 40+(70-40)e^{-k/2} = 60\\e^{-k/2} =2/3\\-k/2 = -0.4055\\k = 0.8110

So equation is

T(t) = 40+(30)e^{-0.8110t}\\

When t=1,

we get

T(1) = 40+(30)e^{-0.8110}\\\\=53.3324

5 0
3 years ago
I suck at this please help... :,(
loris [4]

A quadrilateral with two pairs of sides

4 0
3 years ago
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