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Levart [38]
3 years ago
10

254.34 rounded to the nearest hundredth

Mathematics
1 answer:
podryga [215]3 years ago
4 0

Answer: <u>Its already rounded to the nearest hundredth! </u>

Step-by-step explanation: If by one hundredth it is meant 1/100 of the unit then the number  in question is already given to the nearest hundredth. No more  rounding is necessary.

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This figure is made up of a rectangle and parallelogram.
patriot [66]

calculate length of the sides of the rectangle and multiply then do the same with the parallelogram

 Total area is 51 square units

7 0
3 years ago
The function C(h)=(2h^2+5h)/(h^3+8) models the concentration of medication in the bloodstream (as a percent) h hours after its i
salantis [7]

Answer:

  1. h ≥ 0
  2. C = 0; concentration eventually decays to nothing
  3. (0, 0) is the only intercept in the domain. It means the concentration in the bloodstream is zero at the time the drug is injected.
  4. 1.95 hours

Step-by-step explanation:

1. a. The domain of the function in the context of this problem is h ≥ 0. The maximum value of h will correspond to the time at which the concentration is considered to be negligible. If that time is when the concentration decays to 1% of its peak value, then perhaps the suitable domain is 0 ≤ h ≤ 180.

b. The equation of the vertical asymptote of this function is where the denominator of C(h) is zero, that is ...

  h^3 +8 = 0

  h = ∛(-8)

  h = -2 . . . . the equation of the vertical asymptote

This is not a concern for a medical professional because it is outside the domain of the function.

__

2. As h gets large the value of the function approaches 2/h, which is to say the horizontal asymptote is C = 0. It means the concentration of medication in the blood eventually decays to zero.

__

3. C(0) = 0 is the only intercept in the domain of the function. (h, C(h)) = (0, 0)

In the context of this problem, it means the blood concentration of medication is zero at the time of the injection.

__

4. About 1.95 hours after injection, a maximum concentration of the drug occur in the bloodstream. This value is easily found using a graphing calculator.

Taking the derivative of the function gives you ...

  C'(h) = -2(h^4 +5h^3 -16h -20)/(h^3 +8)^2

This has two real zeros and two complex zeros. The positive real zero is near h = 1.94527, about 1.95.

That is, the concentration in the bloodstream reaches a maximum about 1.95 hours after injection into the muscle.

5 0
3 years ago
Sifa has $156 in the bank. He needs to have at least $400 for spending money on his trip. Write and solve an inequality to find
gregori [183]
Sifa needs to earn $244

Solution
400-156=244

Therefore, He needs to earn $244 more before his trip.
6 0
2 years ago
Jackle collects data from two different companies. Each company had four employees. The data is listed in the tables below. Comp
Margaret [11]

Answer: b c and e

Step-by-step explanation:

7 0
2 years ago
Someone please help me. I’d really appreciate all your help❤️
kifflom [539]

Answer:

Step-by-step explanation:

1

A. negative

B. symmetric

C. positive

2

A. less than

B. same

C. greater than  

3 0
3 years ago
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