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3 years ago

14

What emits light?*ATP, luciferin,luciferase,or exygen

1 answer:

STALIN [3.7K]3 years ago

4 0

The answer would be ATP because oxygen supplies the energy and the others regulate and control it.

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A box of volume 180 m3 with square bottom and no top is constructed out of two different materials. The cost of the bottom is $4

zysi [14]

Answer:

Side of square bottom=6.46 m

Height of box=4.31 m

Step-by-step explanation:

Let s be the side bottom

Height of box=h

Volume of box= $180m^3$

Volume of box= $lbh=s^2h$

$s^2h=180$

$h=\frac{180}{s^2}$

Cost of bottom=$40 per square m

Cost of sides =$30 per square m

Total cost= $C=40s^2+30(4sh)$

$C=40s^2+120s\times \frac{180}{s^2}$

$C(s)=40s^2+\frac{21600}{s}$

Differentiate w.r.t s

$C'(s)=80s-\frac{21600}{s^2}$

$C'(s)=0$

$80s-\frac{21600}{s^2}=0$

$80s=\frac{21600}{s^2}$

$s^3=\frac{21600}{80}=270$

$s=(270)^{\frac{1}{3}}=6.46$

Again,differentiate w.r.t s

$C''(s)=80+\frac{43200}{s^3}$

Substitute s=6.46

$C''(6.46)=80+\frac{43200}{(6.46)^3}=240.2>0$

Hence, the cost is minimum at s=6.46

$h=\frac{180}{s^2}=\frac{180}{(6.46)^2}=4.31$

Side of square bottom=6.46 m

Height of box=4.31 m

5 0

3 years ago

In AHIJ, the measure of ZJ=90°, IJ = 3.2 feet, and JH = 9.6 feet. Find the measure of

Dmitriy789 [7]

Answer:18.4

Step-by-step explanation:

7 0

3 years ago

Not really math 20 points for this though what are Fiona's parents names

NikAS [45]

King Harold + Queen Lilian = Fiona

6 0

3 years ago

Given f (x) = 8x + 4<br> find f (6)

Goryan [66]

Answer:

52

Step-by-step explanation:

f(6)= (8 × 6) + 4

= 48 + 4

= 52

4 0

3 years ago

Read 2 more answers

Which equation is the inverse of 2(x - 2)2 = 8(7 + y)?

Temka [501]

The answer to your question is D.

4 0

2 years ago