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ahrayia [7]
2 years ago
9

Activity 3

Mathematics
2 answers:
Artemon [7]2 years ago
8 0

Answer:

19

  • You kept 3
  • So the rest equal 60 - 3 = 57
  • Then you gave the rest to 3 friends
  • So each one will take 57/3 = 19
skad [1K]2 years ago
3 0

Answer:

19 Lollipops per friend

Step-by-step explanation:

60-3=57\\\\57/3=19

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Comparing Absolute Values
AURORKA [14]

Answer:

i don not know this. but I think

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The half-life of caffeine in a healthy adult is 4.8 hours. Jeremiah drinks 18 ounces of caffeinated
statuscvo [17]

We want to see how long will take a healthy adult to reduce the caffeine in his body to a 60%. We will find that the answer is 3.55 hours.

We know that the half-life of caffeine is 4.8 hours, this means that for a given initial quantity of coffee A, after 4.8 hours that quantity reduces to A/2.

So we can define the proportion of coffee that Jeremiah has in his body as:

P(t) = 1*e^{k*t}

Such that:

P(4.8 h) = 0.5 = 1*e^{k*4.8}

Then, if we apply the natural logarithm we get:

Ln(0.5) = Ln(e^{k*4.8})

Ln(0.5) = k*4.8

Ln(0.5)/4.8 = k = -0.144

Then the equation is:

P(t) = 1*e^{-0.144*t}

Now we want to find the time such that the caffeine in his body is the 60% of what he drank that morning, then we must solve:

P(t) = 0.6 =  1*e^{-0.144*t}

Again, we use the natural logarithm:

Ln(0.6) = Ln(e^{-0.144*t})

Ln(0.6) = -0.144*t

Ln(0.6)/-0.144 = t = 3.55

So after 3.55 hours only the 60% of the coffee that he drank that morning will still be in his body.

If you want to learn more, you can read:

brainly.com/question/19599469

7 0
2 years ago
What should be added to p to get p+q?​
lisov135 [29]

Answer:

Step-by-step explanation:

The correct answer is q

Because we have been given the equation p + q already so if we observe the equation carefully we see that if we add the variable q to the variable p we get the answer p + q

7 0
3 years ago
4. Tori bought x shares of Mattel stock for m dollars per share. She sold
faust18 [17]

Answer:

mx = y

or

y = mx

Step-by-step explanation:

If she pays <em>m </em>per share, and <em>x</em> represents each share, you will multiply <em>m and x.</em><em> </em>If she sold all them for the value of <em>y.</em> Then you set <em>mx</em> equal to <em>y.</em>

<em />

mx = y

or

y = mx

6 0
3 years ago
Which number line represents 5 x 3
valkas [14]
5*3=15 please my answer
5 0
3 years ago
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