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Simora [160]
3 years ago
13

Caleb started with 50 bacteria for his science experiment, and the number of bacteria doubled in one day. Jenna also started wit

h 50 bacteria for her experiment, and after one day the number of bacteria was equal to 50 to the second power. Who had more bacteria at the end of one day?
Mathematics
1 answer:
Tju [1.3M]3 years ago
8 0

Answer:

100+50²=2600

Step-by-step explanation:

because 50x2=100 and 50² is 2500. Add those and you get 2600.

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Rewrite the following expression using base only once 7^6 x 7^8
chubhunter [2.5K]

Answer:

7^{14}

Step-by-step explanation:

Using the rule of exponents

a^{m} × a^{n} = a^{(m+n)} , then

7^{6} × 7^{8} = 7^{(6+8)} = 7^{14}

3 0
3 years ago
(6x −9)3−1=((6x−9)3)(0) Solve for X
Tasya [4]

Answer:

Step-by-step explanation:

Remark

Anything multiplied by 0 = 0. So the whole right side is 0.

(6x - 9)*3 - 1  = 0                       Add 1 to both sides.

(6x - 9)*3 - 1 + 1 = 0 + 1             Combine

(6x - 9)*3 = 1                             Divide both sides by 3

(6x - 9)*3/3 = 1/3                      Simplify

(6x - 9) = 1/3                             Remove brackets. Add 9 to both sides

6x - 9+9 = 9 1/3                        Combine

6x = 9 1/3

6x = 28/3                                   Divide both sides by 6

6x / 6 = 28/3 // 6                       Invert the 6 and multiply.

x = 28/3 * 1/6

x = 28/18

Answer

x = 14/9

6 0
2 years ago
Help pls I really need it pls
Marianna [84]
The value of x is 7 because 8/24 = 1/3 so find 1/3 of 21
4 0
3 years ago
Factor: 100x^2- 81
Alex17521 [72]

Answer:

Choice 'D' (10x + 9) (10x-9) is the correct answer

Step-by-step explanation:

100x^2 - 81

This is a difference of squares...

therefore = (10x + 9) (10x - 9)

7 0
3 years ago
Solve the system of equations with substitution or elimination method. please help 2x+y=4 and 6x+7y=12
GuDViN [60]

Answer:

x=2-y/2

y=12/7-6x/7

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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