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Nesterboy [21]
3 years ago
13

If f[6} = x ^ -2x , find: f [6} =

Mathematics
1 answer:
ASHA 777 [7]3 years ago
7 0

Answer:

1/ 6^12

Step-by-step explanation:

f[x} = x ^ (-2x)

f(6) = 6 ^ (-2*6)

      = 6 ^ -12

   We know the negative exponent moves it to the denominator

     = 1/ 6^12

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The sales tax in your city is 8.8% and an item costs $63 before tax.
Art [367]

Answer:

If you are trying to figure out the total cost, then I believe it would be 68.544$ (68.54$ rounded).

Step-by-step explanation:

This is true because,

8.8% of 63$ is 5.544

63$ + 5.544$ = 68.544$

I am not quite sure if it is all correct, but I hope this helps! :)

6 0
3 years ago
BRAINLIESTTT ASAP! PLEASE HELP ME :)
kumpel [21]

The correct answers are B and D.

A is false because, even though it's true that 4 points are not necessarily on the same line, it is not required that they are collinear in order for them to be coplanar.

B is true: two points always lie on the same line (and thus also in infinite same planes), but four points are not always coplanar

C is false. As a counterexample pick the four points (0,0, 0), (1, 0, 0), (0, 1, 0), (0, 0, 1).

D is true: two points are always on the same line, three points always lie in a common plane, but 4 points are not necessarily coplanar.

8 0
3 years ago
A student is studying a population of 100 Daylilies by the roadside. The plants in this population are genetically variable. The
Murljashka [212]

Answer:

broad sense heritability = 0.75

Step-by-step explanation:

Step 1: Variables

phenotypic variation (Vp)

genotype variation (Vg)

environment variation (Ve)

broad sense heritability (H)

Step 2: Formulas:

H = Vg / Vp

Vp = Vg + Ve

Vg = Vp - Ve

Step 3: Given data

Vp = 20

Ve = 5

Step 4: Computation

Vg = 20 - 5 = 15

H = 15 / 20

H = 0.75

Hope this helps!

5 0
3 years ago
Find the value of a.<br> A. 16<br> B. 38.5<br> C. 15<br> D. 10
Lady_Fox [76]

Answer:

Step-by-step explanation:

divide 60/31 55/46 the answer you multiply

6 0
3 years ago
What is the output of the function f(x) = x + 21 if the input is 4?
vredina [299]

Answer:f(x) = x + 21

f(4) = 4 + 21

     = 25

Step-by-step explanation:

6 0
3 years ago
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