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2 years ago

Omg please help for brainlist !!!!!!!!!!!!!!!

Mathematics

2 answers:

LiRa [457]2 years ago

5 0

Answer:

Step-by-step explanation:

8000*0.25=2000

2000*0.25=500

500*0.25=125

...

Alja [10]2 years ago

4 0

A, or f(x) = 8,000(1/4)^x

8,000 is our starting number since number of half lives is our x, and at x = 0, remaining amount of substance is equal to 8,000. As we can see on the graph, the number decreases by a quarter of its original value every time. Since the number is not getting bigger, we use a fraction instead of a whole number. Finally, the exponent makes sure that it’s a quarter of the product from before.

Hope this helps!

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For which acute angles is the following statement true? The complement of the angle is smaller in measure than either of the two

Hitman42 [59]

Let the acute angle be 2x.

Its complement is 90 - 2x.

It is given that this complementary angle is less than each of the bisected angle.

Therefore, 90 - 2x < x

90 < 3x

or, x > 30.

2x > 60

Therefore, the statement is true for all angles that are greater than 60 degrees.

7 0

3 years ago

Just tell me the answer and how you got it , thank you

leva [86]

(2x^2 + 4x + 6) - (-3x - 5x^2 + 4)

The negative sign separating the expressions is just multiplying the rightmost expression by -1.

(2x^2 + 4x + 6) + (3x + 5x^2 - 4)

Now, let's add together terms that share the same variable.

2x^2 + 5x^2 = 7x^2

4x + 3x = 7x

6 + (-4) = 2

Let's combine each of these terms into one expression.

7x^2 + 7x + 2 is the final answer.

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2 years ago

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igor_vitrenko [27]

Answer:12.5

Step-by-step explanation:

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2 years ago

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2 years ago

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EastWind [94]

Answer:

i don't understand

Step-by-step explanation:

.....

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2 years ago