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ludmilkaskok [199]
3 years ago
5

A scientist is observing the reproduction of a certain bacteria. On Monday, she started with 2 bacteria and the number of bacter

ia doubled each day. How many bacteria will there be on Saturday?
(a) what is the total number of bacteria in exponential form?

(b) Explain how to change from exponential form to simplified form?

(c) What is the total bacteria in simplified form?
Mathematics
1 answer:
stepan [7]3 years ago
7 0

Answer:

a) 2∧6    c) 64

Step-by-step explanation:

First day-Monday we have 2 bacteria, at Tuesday we have 2 · 2 = 2∧2, at Wednesday we have 2 · 2 · 2 = 2∧3, at Thursday we have 2 ·2 · 2 · 2 = 2∧4, at Friday we have 2 · 2 · 2 · 2 · 2 = 2∧5 and finally at Saturday we have 2 · 2 · 2 ·2 · 2 · 2 = 2∧6 = 64

Good luck!!!

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Tell whether the angles are complementary or supplementary. Then find the value of x
skelet666 [1.2K]

Answer:

complementary

x = 55

Step-by-step explanation:

5 0
3 years ago
Randall, Kira and Sean have 100 baseball cards altogether. Randall has twice as many as Kira and 10 more than Sean. How many bas
TEA [102]

Kira has 22 cards, Randall has 44 cards, and Sean has 34 cards

<u>Solution:</u>

Given that, Randall, Kira and Sean have 100 baseball cards altogether.

Randall has twice as many as Kira and 10 more than Sean.  

We have to find how many baseball cards does each person have?

Now, let the number of cards with Kira be "n", then number of cards with Randall will be "2n"

As Randall has "2n" cards, Sean will have 2n – 10

Now, total cards = 100  

<em>Randall cards + Kira cards + Sean cards = 100  </em>

2n + n + 2n – 10 = 100  

5n = 100 + 10  

5n = 110  

n = 22

So, kira has 22 cards, then, randall will have 2(22) = 44 cards and cards with sean = 44 – 10 = 34 cards.

Hence, kira has 22 cards, randall has 44 cards, and sean has 34 cards.

8 0
3 years ago
What decimal is equal to 32%?
AlexFokin [52]
That decimal would be: 32% = 0.32

So, your answer is 0.32

Hope it helped.
5 0
3 years ago
Read 2 more answers
Show that 3 · 4^n + 51 is divisible by 3 and 9 for all positive integers n.
-BARSIC- [3]

Answer:

Step-by-step explanation:

Hello, please consider the following.

3\cdot 4^n+51=3\cdot 4^n+3\cdot 17=3(4^n+17)

So this is divisible by 3.

Now, to prove that this is divisible by 9 = 3*3 we need to prove that

4^n+17 is divisible by 3. We will prove it by induction.

Step 1 - for n = 1

4+17=21= 3*7 this is true

Step 2 - we assume this is true for k so 4^k+17 is divisible by 3

and we check what happens for k+1

4^{k+1}+17=4\cdot 4^k+17=3\cdot 4^k + 4^k+17

3\cdot 4^k is divisible by 3 and

4^k+17 is divisible by 3, by induction hypothesis

So, the sum is divisible by 3.

Step 3 - Conclusion

We just prove that 4^n+17 is divisible by 3 for all positive integers n.

Thanks

4 0
3 years ago
2 3/4 divided by 4 1/8 in fraction form
dmitriy555 [2]

Answer:

5/4

Step-by-step explanation:

5 0
3 years ago
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