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3 years ago

Please can anyone help what is AC

Mathematics

1 answer:

Nesterboy [21]3 years ago

7 0

The answer is C.

You need you use Pythagoras theorem 2 times to have 2 equations with the same sides i.e. for example a2 + b2 = 81 and a2 - b2 = 9.

You can do it as you have different triangles but with the same sides.

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The number of bacterial cells, B, in a container after t hours is given by B=25x2t After how many hours will there be 400 bacter

Nikitich [7]

Answer:

8 hours

Step-by-step explanation:

We have that;

B = number of bacterial cells, B, in a container after t hours

t = time taken in hours

The function is;

B=25x2t

Where B = 400 bacterial cells

400 = 25x2t

t = 400/25x2

t = 8 hours

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2 years ago

A sequence is defined recursively by the formula f(n + 1) = f(n) + 3 . The first term of the sequence is –4. What is the next te

Kisachek [45]

F(1) = -4
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3 years ago

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Dafna1 [17]

Answer: y=5.25x+12.50

Step-by-step explanation:

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2 years ago

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Describe the graph of of the equation x = -2. Is the equation a function?

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2 years ago

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Devaughn is 15 years younger than Sydney. The sum of their ages is 37 . What is Sydney's age?

posledela

Hi,
Let Sydney's age be x.
Devaughn=(x-15)
x+(x-15)=37
x+x-15=37
2x-15=37
2x=37+15
2x=52
x=52/2
x=26
Sydney is 26 years old.
Hope this Helps you.

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3 years ago