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VikaD [51]
3 years ago
11

Help, due tomorrow!!!!!!!!!!!!!

Mathematics
1 answer:
iren2701 [21]3 years ago
7 0

Answer:

1/5

Step-by-step explanation:

4/20 = 1/5

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20. Suppose you need to re-administer this injection at the point when the concentration is less than 0.5%. If the first injecti
IceJOKER [234]
Given that the function

C(h)=\frac{2h^2+5h}{h^3+8}

models the concentration of a medication in the bloodstream (as a percent), hours (h) after its injection into muscle tissue.

The number of hours it will take for the concentration of the injection to be less than 0.5% is given by:

0.5\ \textgreater \ \frac{2h^2+5h}{h^3+8} \\ \\ \Rightarrow0.5(h^3+8)\ \textgreater \ 2h^2+5h \\ \\ \Rightarrow h^3+8\ \textgreater \ 4h^2+10h \\ \\ \Rightarrow h^3-4h^2-10h+8\ \textgreater \ 0 \\ \\ \Rightarrow h\ \textgreater \ 5.54

Given that the first injection was given at 8:00 am, the time the next injection should be given is 2 pm.
8 0
3 years ago
Find the surface area of the prism.<br> 5 in.<br> -<br> 3 in.<br> 8 in.
steposvetlana [31]

Answer:

5.10,3.6,8.12 is the surface area of prism

Step-by-step explanation:

mark me BRAINLIEST

7 0
3 years ago
Find the equation of the line parallel to 2y-3x= 4 and passing through the point (6,7)
frutty [35]

Answer:

We have equation of a line:

2y - 3x = 4 => y = (3/2)x + 4

The equation of the line that is parallel to above line and passes through the point (6, 7) would have form y = ax + b, and

a = 3/2

6a + b = 7

=> b = 7 - 6a = 7 - 6 x 3/2 = 7 - 9 = -2

=> The equation of that line: y = (3/2)x - 2

Hope this helps!

:)

7 0
3 years ago
*WILL MARK BRAINLIEST!!!!!!*
Nuetrik [128]

Answer:

y=1

Step-by-step explanation:

The value of y where the function is undefined

7 0
4 years ago
Please please PLEASE help me what is 8.4 divided by 711.9 I need shown work thank you so much
victus00 [196]
711.9/8.4=<span>84.75 how to show ur work just set up the </span>problem<span> and have the </span>calculator<span> do most of the work

</span>
8 0
3 years ago
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