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3 years ago

13

Autotrophic organisms are able to take inorganic molecules and transform them into organic nourishment by using light or chemica

l energy. Why are autotrophic organisms considered essential to all other life on earth?

2 answers:

vesna_86 [32]3 years ago

7 0

They are the primary producers at the base of the food chain.

Pie3 years ago

3 0

Answer

The answer is D

Step-by-step explanation:

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k is a an integer for which 1/2^1-k, 1/8. What is the value of k? 1/2^1-k must be equal to 1/8 if i read the question right.

svetlana [45]

Answer:

k = -2

Step-by-step explanation:

If $\frac12^{1-k}=\frac18$

Then

$\frac1{2^{1-k}}=\frac18=\frac1{2^3}$

So

$1-k = 3$

From this follows k = -2

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4 years ago

What is the answer to -25+5=

lawyer [7]

Answer to the question

-20

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3 years ago

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#82 will give brainliest to best answer!

Fofino [41]

Answer:

$\frac{6}{k-6}$

Step-by-step explanation:

First, we can factor all of the following equations to turn that weird, huge looking thing into $\frac{(k+6)(k-6)}{(k-6)(k-10)}$ ÷ $\frac{(k-6)^2}{k(k-6)}$ × $\frac{6(k-10)}{k(k + 6)}$ . We know that division is simply multiplication by the reciprocal, so that whole equation will turn into $\frac{(k+6)(k-6)}{(k-6)(k-10)}$ × $\frac{k(k-6)}{(k-6)^2}$ × $\frac{6(k-10)}{k(k+6)}$ . Now we can cancel out some values if they are both in the numerator and denominator, which will turn that still huge looking thing into $\frac{6}{k-6}$ which is our final answer, as it cannot be simplified further.

Hope this helped! :)

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2 years ago

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Consider that ΔQRS is similar to ΔLMN and the measure of ∠N is 42°. What is the measure of ∠S? A) 42° B) 48° C) 56° D) 58°

Veseljchak [2.6K]

Answer:

The answer is A) 42°

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3 years ago

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Given f(x) = -6x - 1 and g(x) = x3, choose<br> the expression for fºg)(x).

Gelneren [198K]

Answer:

- 6x³ - 1

Step-by-step explanation:

Substitute x = g(x) into f(x), that is

(f ￮ g)(x)

= f(x³ )

= - 6(x³) - 1

= - 6x³ - 1

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3 years ago