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Gre4nikov [31]
2 years ago
14

can someone help me find the missing width in this geometry problem? 10th grade geometry, will reward brainly.

Mathematics
2 answers:
Nadya [2.5K]2 years ago
4 0

Answer:

I think x is equal to 6. Correct me if I'm wrong!

8_murik_8 [283]2 years ago
4 0

Answer:

6 meters is missing length

Step-by-step explanation:

<em>The surface area of a prism is:</em>

<em>A = area of base</em>

<em>L = Lateral area</em>

<em />

<em>A + L = Surface area</em>

<em />

<em>Area of Base = 8x * 2(2 bases) = 16x</em>

<em />

<em>Lateral Area = (2x+16)6 = 12x+96</em>

<em />

<em>12x+96+16x = 264</em>

<em>28x + 96 = 264</em>

<em>28x = 168</em>

<em>x = 6</em>

<em />

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I’m pretty sure that I’m pretty sure that question 2 is 1 minute and 40 seconds. And for number 3 I got B. 0.25 because if you look at where the line makes a direct cross between pounds and dollars that first one is 8 pounds for 2 dollars. If you divide 8 by 2 you will get 0.25. Hope this helped :)
7 0
3 years ago
The decimal 1,645.43 rounded to the nearest whole number is​
Margarita [4]

Answer:

1,645

Step-by-step explanation:

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2 years ago
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DanielleElmas [232]

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3 years ago
Suppose that you take 120 mg of an antibiotic every 4 hr. The​ half-life of the drug is 4 hr​ (the time it takes for half of the
vodomira [7]

Answer:

The steady state amount of antibiotic in the bloodstream when t --> ∞ is 240 mg.

Step-by-step explanation:

Let the amount of antibiotic in one's bloodstream be given as Aₙ (where n = the number of half lives since the start of usage)

Let's follow the time line of events.

At t = 0 hr, the drug is taken

A₀ = 120 mg

At t = 4 hrs, n = 1, the drug is taken again

A₁ = (0.5×A₀) + 120

A₁ = (0.5×120) + 120 = 180 mg

At t = 8 hrs, n = 2, the drug is taken again,

A₂ = (0.5×A₁) + 120

A₂ = (0.5×180) + 120 = 210 mg

At t = 12 hrs, n = 3, the drug is taken again

A₃ = (0.5×A₂) + 120

A₃ = (0.5×210) + 120 = 225 mg

At this point, it becomes evident that at t = 4n hrs, n = n i.e. n half lives later, the general formula for the amount of the antibiotic in the bloodstream is

Aₙ = 0.5Aₙ₋₁ + 120

where Aₙ₋₁ = The amount of antibiotic in the bloodstream at the time t = 4(n-1) and (n-1) half lives later.

For infinite series, that are increasing in this order, as the value of n --> ∞,

Aₙ = Aₙ₋₁ = K

And our general formula becomes

K = 0.5K + 120

0.5K = 120

K = (120/0.5)

K = 240 mg

Hence, the steady state amount of antibiotic in the bloodstream when t --> ∞ is 240 mg.

Hope this Helps!!!

5 0
3 years ago
A plane flew a total of 2220 miles its average speed was 555 mph how many hours did the plane fly
o-na [289]
2220 miles divided by 554mph would give you 4 hours
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3 years ago
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